country house for contracting & operations electro...
TRANSCRIPT
1
bull
A brief overview of he company and its policy
ADDAR Group was established in 1998 by Dr Ibrahim bin Salamah former CEO of SABIC to provide specialized services to Power Petrochemical and Industrial sectors ADDAR has eight divisions as separate entities to cater to the requirements of different sectors like Power Petrochemical IT and Industrial Apart from supplying various equipment and spare parts to the above mentioned market segments Addar found a good opportunity to provide services to its existing clients For this purpose Country House for Contracting amp Operations(CHCO) was established
CHCO has partnered with some of the leading International companies from Europe USA and Asia each with its own sphere of expertise and unique wealth of experience in power sector
The main aim of CHCO is to provide quality service and cost effective solutions to its clients Our efforts are focused on the real needs of our clients and address them to their utmost satisfaction Any organization is as good as its human resource This is where CHCO has been very careful in putting the right person in the right position to get the best productivity which translates in to best service for our clients
We have a team of engineers and technicians with a combined experience of over 100 years in the maintenance of Gas Steam Turbine and its auxiliaries In recognition of our satisfactory services we enjoy continued patronage and confidence of our clients This achievement is the combined result of meticulous planning monitoring and adapting high standards of safe implementation methods and practices maintaining highest quality environment and safety standards
Country House for Contracting amp Operations Electro-mechanical Contractors
2
Activities
bull Inspection Overhaul Repair Gas Turbine Steam Turbine
bull Inspection Repair Overhaul Gas turbine Exhaust and In-let System
bull Rewinding Repair of Turbine Generators HV MV Electrical Motors
bull Supply and Installation of Expansion Joints of all types
bull Fabrication of Steel Structures
bull Reverse engineering of Linear Bearings Thrust bearings oil seals air seals etc
Our Associates
bull STEG International Services
bull Seiris-SA ndash France Manufacturers of Expansion Joints
bull Edison Electrical Works ndash India Rewinding Services
bull Perfect Chloro System ndash Gas and Electro-chlorination systems
bull PVK EngineersndashIndia Air In-let and Exhaust systems for Gas turbines
bull CMI Energy Belgium ndash Manufacturers of Heat Recovery Steam
Generators
STEG International Services (SIS) is a limited and partly export-based energy Services
Company dedicated to providing a broad range of high quality services covering both the
electricity and gas sectors
STEG International
SIS was created in 2006 Ever since our goals have always been to promote Tunisian
knowledge and know-how in the areas of the energy industry (power generation
transmission and distribution of electricity and gas) with focus features including
bull Offering advice suitable technical support and providing high-quality and
cost-effective service OampM solutions for a variety of applications through the proven
know-how and experience of STEG
3
bull the know-how in several areas of expertise shared with our primary shareholder
STEG and thanks to more than 47 years of experience
bull An international outlook with more than 80 per cent of our turnover coming from
international markets based mainly in Africa and the Middle East
Seiris-SA France
SEIRIS SA was founded in 1978 and is located in Linas a small town in the south of
Paris For the last 25 years SEIRIS is one of the leading manufacturers in Europe which
approved by SEC SABIC and SWCC and has many installation in the Kingdom
Expansion joints are vital components in most industrial plants They are installed as
flexible connections in duct and pipe systems to prevent damage caused by vibrations
temperature pressure or mechanical stress due to movements or vibrations
Fabric expansion joints for low pressure
Metal expansion joints
4
Edison Electrical Works
Edison Electrical Works India is one of the leading service provider for rewinding
and repair of Turbine Generators HV amp MV motors and Transformers It is
approved by Saudi Electricity Co and has carried out many rewinding jobs in
KSA Kuwait Malaysia It has a very wide experience on all generators vis GE
ALSTOM Siemens and others
5
Perfect Chloro System PCS manufacture one of the finest Gas and Electro-
chlorinators in India They have supplied and installed over 500 systems in Asia
and Middle East PCS have complete range of chlorinators and their accessories
6
including the Scrubbers Have installed gas chlorinator with capacity of over 250
kg hr
PVK Engineers
Manufacturers of Air In-let and Exhaust Systems for Gas
Turbines and 3 way 4way valves for Oil and Petrochemical sectors Heavy steel
fabrication Sound attenuation Enclosures for Gas Turbines and other rotating
equipment Supplied and installed many equipment in Iraq Oman and many
African countries apart from South Asia
7
CMI ENERGY is the one of the leading manufacturers of Heat Recovery Steam Generators in the world They are known all over the world for their quality and efficiency CMI has many installations here in Saudi Arabia in some of the major power plants Country House is their service partner here in the Middle East and has executed projects of major overhaul and repair of their Boilers together with CMI here for Saudi Electricity Co Following is one of the references
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
2
Activities
bull Inspection Overhaul Repair Gas Turbine Steam Turbine
bull Inspection Repair Overhaul Gas turbine Exhaust and In-let System
bull Rewinding Repair of Turbine Generators HV MV Electrical Motors
bull Supply and Installation of Expansion Joints of all types
bull Fabrication of Steel Structures
bull Reverse engineering of Linear Bearings Thrust bearings oil seals air seals etc
Our Associates
bull STEG International Services
bull Seiris-SA ndash France Manufacturers of Expansion Joints
bull Edison Electrical Works ndash India Rewinding Services
bull Perfect Chloro System ndash Gas and Electro-chlorination systems
bull PVK EngineersndashIndia Air In-let and Exhaust systems for Gas turbines
bull CMI Energy Belgium ndash Manufacturers of Heat Recovery Steam
Generators
STEG International Services (SIS) is a limited and partly export-based energy Services
Company dedicated to providing a broad range of high quality services covering both the
electricity and gas sectors
STEG International
SIS was created in 2006 Ever since our goals have always been to promote Tunisian
knowledge and know-how in the areas of the energy industry (power generation
transmission and distribution of electricity and gas) with focus features including
bull Offering advice suitable technical support and providing high-quality and
cost-effective service OampM solutions for a variety of applications through the proven
know-how and experience of STEG
3
bull the know-how in several areas of expertise shared with our primary shareholder
STEG and thanks to more than 47 years of experience
bull An international outlook with more than 80 per cent of our turnover coming from
international markets based mainly in Africa and the Middle East
Seiris-SA France
SEIRIS SA was founded in 1978 and is located in Linas a small town in the south of
Paris For the last 25 years SEIRIS is one of the leading manufacturers in Europe which
approved by SEC SABIC and SWCC and has many installation in the Kingdom
Expansion joints are vital components in most industrial plants They are installed as
flexible connections in duct and pipe systems to prevent damage caused by vibrations
temperature pressure or mechanical stress due to movements or vibrations
Fabric expansion joints for low pressure
Metal expansion joints
4
Edison Electrical Works
Edison Electrical Works India is one of the leading service provider for rewinding
and repair of Turbine Generators HV amp MV motors and Transformers It is
approved by Saudi Electricity Co and has carried out many rewinding jobs in
KSA Kuwait Malaysia It has a very wide experience on all generators vis GE
ALSTOM Siemens and others
5
Perfect Chloro System PCS manufacture one of the finest Gas and Electro-
chlorinators in India They have supplied and installed over 500 systems in Asia
and Middle East PCS have complete range of chlorinators and their accessories
6
including the Scrubbers Have installed gas chlorinator with capacity of over 250
kg hr
PVK Engineers
Manufacturers of Air In-let and Exhaust Systems for Gas
Turbines and 3 way 4way valves for Oil and Petrochemical sectors Heavy steel
fabrication Sound attenuation Enclosures for Gas Turbines and other rotating
equipment Supplied and installed many equipment in Iraq Oman and many
African countries apart from South Asia
7
CMI ENERGY is the one of the leading manufacturers of Heat Recovery Steam Generators in the world They are known all over the world for their quality and efficiency CMI has many installations here in Saudi Arabia in some of the major power plants Country House is their service partner here in the Middle East and has executed projects of major overhaul and repair of their Boilers together with CMI here for Saudi Electricity Co Following is one of the references
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
3
bull the know-how in several areas of expertise shared with our primary shareholder
STEG and thanks to more than 47 years of experience
bull An international outlook with more than 80 per cent of our turnover coming from
international markets based mainly in Africa and the Middle East
Seiris-SA France
SEIRIS SA was founded in 1978 and is located in Linas a small town in the south of
Paris For the last 25 years SEIRIS is one of the leading manufacturers in Europe which
approved by SEC SABIC and SWCC and has many installation in the Kingdom
Expansion joints are vital components in most industrial plants They are installed as
flexible connections in duct and pipe systems to prevent damage caused by vibrations
temperature pressure or mechanical stress due to movements or vibrations
Fabric expansion joints for low pressure
Metal expansion joints
4
Edison Electrical Works
Edison Electrical Works India is one of the leading service provider for rewinding
and repair of Turbine Generators HV amp MV motors and Transformers It is
approved by Saudi Electricity Co and has carried out many rewinding jobs in
KSA Kuwait Malaysia It has a very wide experience on all generators vis GE
ALSTOM Siemens and others
5
Perfect Chloro System PCS manufacture one of the finest Gas and Electro-
chlorinators in India They have supplied and installed over 500 systems in Asia
and Middle East PCS have complete range of chlorinators and their accessories
6
including the Scrubbers Have installed gas chlorinator with capacity of over 250
kg hr
PVK Engineers
Manufacturers of Air In-let and Exhaust Systems for Gas
Turbines and 3 way 4way valves for Oil and Petrochemical sectors Heavy steel
fabrication Sound attenuation Enclosures for Gas Turbines and other rotating
equipment Supplied and installed many equipment in Iraq Oman and many
African countries apart from South Asia
7
CMI ENERGY is the one of the leading manufacturers of Heat Recovery Steam Generators in the world They are known all over the world for their quality and efficiency CMI has many installations here in Saudi Arabia in some of the major power plants Country House is their service partner here in the Middle East and has executed projects of major overhaul and repair of their Boilers together with CMI here for Saudi Electricity Co Following is one of the references
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
4
Edison Electrical Works
Edison Electrical Works India is one of the leading service provider for rewinding
and repair of Turbine Generators HV amp MV motors and Transformers It is
approved by Saudi Electricity Co and has carried out many rewinding jobs in
KSA Kuwait Malaysia It has a very wide experience on all generators vis GE
ALSTOM Siemens and others
5
Perfect Chloro System PCS manufacture one of the finest Gas and Electro-
chlorinators in India They have supplied and installed over 500 systems in Asia
and Middle East PCS have complete range of chlorinators and their accessories
6
including the Scrubbers Have installed gas chlorinator with capacity of over 250
kg hr
PVK Engineers
Manufacturers of Air In-let and Exhaust Systems for Gas
Turbines and 3 way 4way valves for Oil and Petrochemical sectors Heavy steel
fabrication Sound attenuation Enclosures for Gas Turbines and other rotating
equipment Supplied and installed many equipment in Iraq Oman and many
African countries apart from South Asia
7
CMI ENERGY is the one of the leading manufacturers of Heat Recovery Steam Generators in the world They are known all over the world for their quality and efficiency CMI has many installations here in Saudi Arabia in some of the major power plants Country House is their service partner here in the Middle East and has executed projects of major overhaul and repair of their Boilers together with CMI here for Saudi Electricity Co Following is one of the references
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
5
Perfect Chloro System PCS manufacture one of the finest Gas and Electro-
chlorinators in India They have supplied and installed over 500 systems in Asia
and Middle East PCS have complete range of chlorinators and their accessories
6
including the Scrubbers Have installed gas chlorinator with capacity of over 250
kg hr
PVK Engineers
Manufacturers of Air In-let and Exhaust Systems for Gas
Turbines and 3 way 4way valves for Oil and Petrochemical sectors Heavy steel
fabrication Sound attenuation Enclosures for Gas Turbines and other rotating
equipment Supplied and installed many equipment in Iraq Oman and many
African countries apart from South Asia
7
CMI ENERGY is the one of the leading manufacturers of Heat Recovery Steam Generators in the world They are known all over the world for their quality and efficiency CMI has many installations here in Saudi Arabia in some of the major power plants Country House is their service partner here in the Middle East and has executed projects of major overhaul and repair of their Boilers together with CMI here for Saudi Electricity Co Following is one of the references
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
6
including the Scrubbers Have installed gas chlorinator with capacity of over 250
kg hr
PVK Engineers
Manufacturers of Air In-let and Exhaust Systems for Gas
Turbines and 3 way 4way valves for Oil and Petrochemical sectors Heavy steel
fabrication Sound attenuation Enclosures for Gas Turbines and other rotating
equipment Supplied and installed many equipment in Iraq Oman and many
African countries apart from South Asia
7
CMI ENERGY is the one of the leading manufacturers of Heat Recovery Steam Generators in the world They are known all over the world for their quality and efficiency CMI has many installations here in Saudi Arabia in some of the major power plants Country House is their service partner here in the Middle East and has executed projects of major overhaul and repair of their Boilers together with CMI here for Saudi Electricity Co Following is one of the references
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
7
CMI ENERGY is the one of the leading manufacturers of Heat Recovery Steam Generators in the world They are known all over the world for their quality and efficiency CMI has many installations here in Saudi Arabia in some of the major power plants Country House is their service partner here in the Middle East and has executed projects of major overhaul and repair of their Boilers together with CMI here for Saudi Electricity Co Following is one of the references
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
8
Projects CMI HRSG Boiler inspection amp repair at PP9 Riyadh
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
9
ELECTRICAL POWER
Generation
Transmission
Distribution
10 Power Generation
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
10
SIS provides studies operation Maintenance and upkeep of power generation units
including thermal Power Plants Combined -Cycle Power Plants Gas Turbines Hydro-
Power plants Co-generation Diesel Groups Gas Compressors
The following activities are only indicative and not exhaustive
11 SUBIYA Gas Turbine Power Plant in KOWEIT
Construction and Installation of 4 Gas Turbines GE FR 7 Open Cycle Power Plant (4x 75 MW ISO Conditions) The project was divided into Three (3) mains tasks
a- Engineering this involved the complete development of Design Drawings-Quantities-and Materiel Specifications
b- Procurement and Transportation this Task Force was responsible for the complete procurement and transportation of all material required for the construction of the project
c- Construction and installation This included the services provided by SIS as mentioned below
Provided Services
Civil Works Follow up
bull Study plans and electromechanical documents development
bull Designing and identification of required systems equipment cables pipes tools consumables etc
bull Complete Civil Works Drawings Preparation Excavation Foundation Trench
bull Erection of Turbines Generating
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
11
Sets (GAS Turbines Generators Accessory base Gear boxes Base Frame Alignment
bull Erection of Mechanical Auxiliary Systems
bull Electrical Systems (cable laying Main Switch Gear station service
bull Instrumentation and control panels
bull Erection of Set up Transformers
bull Interconnection with GIS
bull Testing and commissioning
bull Project Hand Over
Site Overview Erection of the Exhaust Stack
PDC Setting Auxiliary Compartment
12 SHOAIBA Steam Turbines Annual Inspection in partnership with Gulf Power International Dabbagh Group (Kingdom of Saudi Arabia)
Provided Services
Steam Turbine Annual Inspection Turbine inspection
bull Pre-Shutdown Activities
bull Unit Shutdown
bull Inspection of Boiler Air ampGas parts
bull Boiler Fuel Firing System
bull Soot-Blowers System
bull ESP System
bull Boiler Water amp Steam System
bull Main Steal System (including Aux steam sys)
bull Analyzers
bull Boiler Feed Water System
bull Main Condensate system
bull Main Turbine amp Condenser stseam side
bull Lub oil amp hydraulic Oil SystemGenerator cooling amp seal Oil System
Inspection of fuel heaters Inspection of the lube oil amp hydraulic pumps of the turbine
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
12
bull Electrical works
bull Corrective maintenance etc
bull Unit recommissioning and start up
bull Post outage activities (unit performance test vib MeasurementAnnual inspection report preparation and issue)
13 Major Overhaul of GE FR-7 Gas Turbine at Najran Power Plant- in partnership with Gulf Power InternationalDabbagh Group (Kingdom of Saudi Arabia) - Photo Gallery
Services provided Turbine rotor blades inspection TurbineGenerator Control System Mark 5 Troubleshooting
The services provided included
The disassembly removal cleaning visual inspection for erosion corrosion wear cracks damages etc Non Destructive Testing (NDT) inspection alignment checks dimensional checks clearances checks repair servicing maintenance complete partial replacement re-assembly installation alignment adjustment and final quality checks The works performed concerned the below listed and other parts
- Unit Major Inspection including (all Mechanical Electrical Instrumentation and Control Work)
- Unit Hot Gas Path Inspection (all Mechanical Electrical Instrumentation and Control Work)
- NDT of Compressor turbine Generator sections
- Rotor overhaul and Reblading
- Instrument and Controls Maintenance
- Transformers maintenance
- Re-assembly
- Start - up
- Performance test
- Report submittal covering all the areas and aspects of the work done by SIS during the execution the awarded contract
Setting of Turbine bearing compressor rotor inspection
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
13
14 Strengthening Thermal Generation Plants Capacities injected in the Interconnected Network (IN)
Services provided Measurement of Transformer Ratio
Control and Supervision of Power Generation Plant Extension in Balingueacute (Bamako) in the republic of MALI comprising 4 Diesel Groups 4x11 5 MW ISO Conditions in partnership with IDC (Tunisia)
The services carried out by SIS included
bull Approval of study documents and assembly (accomplished)
bull Factory acceptance test (accomplished)
bull Supervision and control of on-site assembly works (on-going)
bull Site acceptance test and commissioning (once the assembly works will be terminated)
On-load Tape Changer ( OLTC) Transformer Visual Control
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
14
Test follow up on induced voltage Induced Voltage test on HVMV Transformer
20 Electrical Transmission Network
SISrsquos Scope of activities includes but not limited to the following services
bull Studies of power system transmission network
(system modelling power flow faults analysis) using computer simulation packages
bull Update of the dynamic and static stability studies with the view of evaluating the impact of the new electric power generation and transmission installations
bull Master plans elaboration bull Short-circuits calculation bull Under frequency load shedding calculation bull Development of electrical network protection
schemes including selection of relaysrsquo types and relays coordination
bull Protection setting calculation and configuration
bull Fault analysis in transmission networks using fault recorders and simulation software packages
bull Dimensioning of surge arresters
Washing of energized high voltage insulators
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
15
bull Commissioning installation and operation of digital control of the HV substations
bull Preparation of technical specifications and evaluation of Bidders
Design and construction of a testing station of insulators in polluted marine industrial and desert region in Oran (Algeria)
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
16
30 Electrical Distribution Network
South-South Cooperation
We are proud to draw upon our experiences and expertise as a company based in an
African country to help others across Africa
ELECTRICAL DISTRIBUTION
NETWORK
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
17
RURAL ELECTRIFICATION- CONSTRUCTION WORKS ON A TURN KEY BASIS Pilot Rural Electrification Project based upon single-phase in RWANDA
Services provided Signature of an agreement for cooperation and technical assistance between STEG amp ELECTROGAZ
Metallic Poles delivery
The scope of works included bull Study and Diagnosis of the
existing Rwandan Power
Distribution An inventory of the
existing facilities including
generation transmission and
distribution systems was
established
bull The turnkey design engineering
procurement supply installation
construction commissioning and
start up of a pilot rural
electrification project based upon
single-phase in RWANDA
Sub-station Connection Factory Acceptance Test of AAAC Conductor and twisted cables in presence of Rwandan technicians
Electrcity supply in rwandan remote villages
Energy is an important factor for Socio-Economic Developemnt
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
18
40 Gas Segment
Services provided Gas Condensate Treatment Unit Pipeline On-Line Welding
SIS services cover the following scope
of activities
bull Study control and supervision of gas
projects erection works
bull Master plans elaboration regarding Gas Transmission and Distributions networks
bull Catholic Protection of gas network bull Gas and condensate treatment units
operation and maintenance related tasks
bull Gas compression stations operation and
maintenance related tasks bull Supervisory and control systems
operation and maintenance bull Gas pipelines network supervision and
remote command bull Pipeline inspection bull Steel pipes and gas delivery station
specification bull Compression stations specification and
supervision of erection works bull Gas and condensate treatment unitsrsquo
implementation commissioning and start-up
Hot Tap Achievement Gas pipeline welding connection
Topographic surveying
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
19
50 Laboratory-Workshop
Main Activities Rotary Furnace Inspection Surfacing High Precision Castings
General Technics Department GTD was established to perform technical assistance to all power generating units including
bull Thermal Power Plants
bull Combined Cycle Power Plants
bull Gas Turbines
bull Hydraulic Power Plants etc
GTD Mission
bull Acceptance Trial of Equipment
bull High and Mid Voltage Testing (also called dielectric strength test or Hipot Test)
bull Acoustics and Mechanical Vibration
bull Thermodynamics and Hydraulic Activities Management
bull Chemical Analysis amp Controls
bull Metallurgical amp NDT Controls
bull Workshop
NDT Magnetic Testing Turbine Speed Balancing
Analysis of gas dissolved in dielectric liquids of large transformers operation
water lubricant oil dielectric oil and liquid fuel analysis
Dielectric Laboratory Welding Work Shop
Dielectric Laboratory
bull Dielectric oil rigidity
bull Physical and Chimical Characterisics of Dielectric oil
bull Dissolved gas in Dielectric oil
bull Acceptance trials for generators transformers switch-gears
Welding Work Shop
bull Steel plate works
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
20
bull Heat treatment in furnace or outside
bull Surface reparing by powder spray metallisation
bull Rebabbiting of used bearing
60 Vocational Training ndash Photo Gallery
Services Provided
Practical Hands-On Training Equipment
Practical Hands-On Training electricity amp gas counter
SIS as an energy company
provides the entire scope of training
services including
bull Upgrade of training centers
bull Drawing up and delivery of
training courses
bull Training of trainers
bull Designing and monitoring of
training programs
bull End-user training organization
of seminars hands-on training
on-the-job training and
designing of training manuals
The training provided is relevant
effective structured and
continuously updated This
maintains a high level of technical
skills and procedures in a
constantly changing environment
Practical Hands-On Training works under voltage
Classroom Training on electrical maintenance related to electrical power utilities
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
21
enabling all staff to keep abreast of
technical innovations and
improvements together with
legislative requirements and
recommended practices
STEG Training Center (CFPK)
Since its inception in 1976 CFPKrsquos aim has been to train newly recruited STEG technicians in Generation Transmission Distribution and Gas sectors and to provide advanced training and retraining for active personnel Since then the Center has constantly expanded and adjusted in order to bull Address STEGrsquos specific requirements in vocational training in all its
sectors technical commercial financial computing management auditing new technologies etc
bull Provides a logical approach as to how to establish and assure a competent workforce by technical vocational training for now and the future
bull Provide appropriate training programs for organizations outside STEG both at national and international levels (in-house training customized courses and lectures)
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
22
70 Samples of Project Experience
Since 2006 SIS has undertaken many assignments in African countries Middle East and in
Tunisia It is only possible to show a small selection of these in this brochure We are always
happy to provide additional details and examples of our experience on request
71 Accomplished Projects
POWER GENERATION
No Contract Identification Unitne Installed
Capacity(MW) location Start
Date End Date
1 Annual Inspection
5 260 Rabigh SEC Saudi Arabia)
20-12-2005
30-01-2006
2 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
09-03-2006
22-04-2006
3 Annual Inspection
3 260 Rabigh SEC Saudi Arabia)
19-03-2006
29-04-2006
4 Annual Inspection
1amp4 440 Shoaiba SEC Saoudi Arabia
27-01-2007
01-03-2007
5 Annual Inspection 4 440
Shoaiba SEC Saoudi Arabia
03-03-2007
05-04-2007
6
Annual Inspection Bell seals rings amp nozzle blocks replacement ( turbine overhaul)
4 260 Rabigh SEC Saudi Arabia)
03-01-2008
07-03-2008
7 Annual Inspection 2 260
Rabigh SEC Saudi Arabia)
08-03-2008
15-04-2008
8 Major Overhaul
GT1 27 TihamaSEC Saudi Arabia
20-01-2008
10-02-2008
9
Erection and Supervision of Works 300 MW (ISO Condition) Open Cycle Power Plant Fast Emergency
GTs 1-4
4x75 ISO Conditions
Ministry of Energy
(Electricity and Water)
Sabya Power Plant
State of KOWEIT
2007- 2008
10 Commissioning CPL amp Parallel Resonant Circuit in close cooperation with AREVA
Ethiopie 2007-2008
11
Revamping of obsolete Control and instrumentation system (in close cooperation with SIEMENS)
2 Units Marocco 2008
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
23
No Contract Identification Unitne Installed Capacity (MW)
location Start Date
12
Commissioning of Control command system Mark VI on GTs Frame 5 (in close cooperation with GESHANAHAN Eng
GTs GE Frame 5
Algeria (Arzew) 2008
13
Grid Interconnection In close cooperation with STUDI for West African Power Pool (WAPP)
225 KV
Electricity grid interconnection
between Burkina Faso and Ghana
2008
14 Pricing Study Senegal 2008
15 Major Inspection GT6
GE-FR7
Najran SEC Saudi Arabia
2008
16 Major Inspection (MI) W501D5
Jazan SEC Saudi Arabia
2009
17 Annual Inspection 2amp3 2x393 Shoaiba SEC Saudi Arabia
2009
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
24
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
25
SISrsquoS Experiences in Boilerrsquos Maintenance Work
Power plant location Boiler tech Details ampInspections
Rades A (ST) ST STEAM TURBINE Rades B (ST)
Unit 1 Unit 2 Unit 3 Unit 4
Manufacturer Mitsubishi H I Mitsubishi H I Ansaldo Energia Ansaldo Energia Type amp Model MHI CE RR
type out-door MHI CE RR type outdoor
AE RR type outdoor
AE RR type outdoor
Date of commissioning 1983 1984 1998 1999 MCR (th) 520000 520000 5335 5335
Steam conditions Pressure SHRH(bars) 1685 352 1685 352 1739 1739 Temperature( degC) 543 543 542 542
fuel Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Natural gas heavy Fuel Ndeg2
Heating area Furnace(msup2) 5105 5105 5360 5360 Reheater (msup2) 3130 3130 1286 1286 Eco (msup2) 2600 2600 1556 1556
Fuel oil Burners type amp No 20 20 Y Ndeg 12 Y Ndeg 12 FDF type amp capacity ( Th) HC 591 HC 591 HC748 HC 748 IDF type amp capacity (Th) HC 640 HC 640 NA NA GRF type amp capacity ( Th) HC 500 HC 500 HC 300 HC 300
RegenAir Preheater Type Ljungstroumlm Ljungstroumlm Ljungstroumlm Ljungstroumlm No amp capacity 2 2 2 2 Heating surface(msup2) 12000 12000 18000 18000
Annual inspection No 20 20 10 10 Starting amp Completion dates
21 Days 21 days 21 days 21 days
Major overhaul No 04 04 01 01 Starting amp Completion dates
1221038843 days 611028854 days 56 days 59 days
Boiler conservation No 20 20 08 08 Boiler Rehabilitation No 0 0 0 0 Boiler Tube Acid cleaning No 01 01 01 01 ILA(Integrity Life Assessment)No 0 0 0 0
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
26
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections
Sousse A (ST) Sousse B (CCPP)
Unitne1 Unitne 2 Unitne1 Unitne 2
Manufacturer SGP SGP STEIN INDUSTRY STEIN INDUSTRY Type amp Model Natural circulation Natural circulation Heat Recuperator Heat Recuperator Date of commissioning 1980 1980 1995 1995 MCR (th) 515 515 HP 182 BP 415 HP 182 BP 415 Steam conditions Pressure SHRH (bar) 16038 16038 HP 72 BP 66 HP 72 BP 66
Temperature (degC) 540degC 540degC HP 511 BP 213 HP 511 BP 213 fuel FUELGAZ FUELGAZ Gaz Gaz Heating area Furnace (m2 2080 ) 2080 HP evaporator 25251 LP evaporator 18627
Reheater (m2 1512 ) 1512 HP superheater 9418 LP superheater 2328 Eco (m2 2017 ) 2017 HP economizer 16834 13773 LP economizer 3060
Fuel oil Burners Type ampNo EVT8 EVT8 FDF type amp capacity R62250 7566 m3 R62250 7566 ms 3 s
GRF type amp capacity R62250 721 m3 R62250 721 ms 3 s
Regen Air Preheater
Type No amp capacity 2 220186 Nm3h 2 220186 Nm3h
Heating surface(m2) 2x924 2x924 Annual Inspection
No annually annually annually annually Starting amp completion dates 3 - 4 weeks 3 - 4 weeks 10 days 10 days
Major Overhaul No along with annual inspectioccediln along with annual inspectioccediln
Starting amp completion dates 3 - 4 weeks 3 - 4 weeks
Boiler Conservation No 3 2 Boiler Rehabilitation No Boiler Tube Acid Cleaning No 2 2 ILA (Integrity Life Assessment) No 1
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
27
SISrsquos Experiences in Boilersrsquo Maintenance Work
Power plant location Boiler tech Details ampInspections Unitne1 (ST) Unitne 2 (ST) Unitne 3 (ST) Unitne 4 (ST)
Manufacturer WALTHER Type amp Model WALTHER FN10 Natural Circulation Date of commissioning 05071965 01111965 22061968 20091968 MCR (th) 112 Steam conditions
Pressure 686 bar Temperature 510 degC
fuel Heavy fuel oil Ndeg2 light fuel oil
Heating area
Furnace (m2 540 m2 ) Reheater (m2 1542 m2 ) Eco (m2 480 m2 )
Fuel oil Burners Type ampNo SONVICO 4 FDF type amp capacity Centrifugal - 27 m3s IDF type amp capacity - - - - GRF type amp capacity - - - -
Regen Air Preheater Type Static LJUNGSTROM No amp capacity 1 1 1 1 Heating surface(m2) 7350 m2 -
Annual Inspection No every year until 1998 every year until
2005 every year until 1998
every year until 2005
Starting amp completion dates - - - -
Major Overhaul No 6 8 5 5 Starting amp completion dates - - - -
Boiler Conservation No - 2 - 2 Boiler Rehabilitation No 4 6 5 5 Boiler Tube Acid Cleaning No 0 0 0 0 ILA (Integrity Life Assessment) No 0 0 0 0
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
28
SISrsquos Experiences in Boilersrsquo Maintenance Work Power Plant Location
Boiler Tech Details ampInspections
Ghannouch (ST) Unitne1 (ST) Unitne 2
Manufacturer Stein Industrie Stein Industrie Type amp Model Natural circulation Natural circulation Date of commissioning 1972 1972 MCR (th) 120 120 Steam conditions Pressure SHRH (th) 70 bars 70 bars
Temperature 510 degC 510 degC fuel Natural GasHeavy fuel Natural GasHeavy fuel Heating area Furnace (m2 )
Reheater (m2 8880 dmsup3 ) 8880 dmsup3 Eco (m2 2400 dmsup3 ) 2400 dmsup3
Fuel oil Burners Type ampNo PILLARD GRC PILLARD GRC IDF type amp capacity GRF type amp capacity Regen Air Preheater Type Ljunstroumlm Ljunstroumlm
No amp capacity 140msup3h 140msup3h Heating surface(m2) _ _
Annual Inspection No 1 1 Starting amp completion dates 1 week 1 week
Major Overhaul No 15ans 15ans
Starting amp completion dates 2 months 2 months
Boiler Conservation No in case of being extended in case of being extended Boiler Rehabilitation No NO NO Boiler Tube Acid Cleaning No NO NO ILA (Integrity Life Assessment) No NO NO
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
29
ELECTRICAL TRANSMISSION SYSTEM
Accomplished Projects
bull Tests performed on Numerical relays manufactured by - ABB (Distance protection REL 316 ) - AREVA (Distance protection EPAC MICOMP442 hellip) - ICE (Over current protection NPID 800hellip) - SIEMENS (Distance protection 7SA 511 513 522 611) - REYROLLES (Differential protection DUOBIAS)
bull Test and setting of protective relays and checking the tripping circuits for Generators and
Substations belonging to Zaouia Petroleum Refinery (Libya)
bull Short circuit calculation selectivity study of protective relays by providing solutions for the
existing issues in PEC YEMEN Networks
bull Study and improvement of the existing protective system in close cooperation with Tractebel
Engineering
bull Technical Assistance for Independent Power Producers (IPP) Plant (Carthage Power
Company (CPC) Tunisia) regarding the maintenance and testing of protective relays
related to
- Generators - Main transformers - Auxiliaries - Etc
bull Technical Assistance testing and setting of protective relays at
- Steel ndashworks (Tunisia) - Cement ndashmarker (Tunisia) - Iron industries (Tunisia) - Chemical industries (Tunisia)
bull Commissioning and setting of protective relays at substations (High Medium and Low
voltages)
bull Renovation of the obsolete equipment (relays switchgear hellip)
bull Maintenance of the transmission lines and substations equipment
bull Cost-effective solutions establishment regarding the network issues (droop voltage over
voltage improvement of power factor etc)
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
30
ELECTRICAL DISTRIBUTION SYSTEM
Rural Electrification- Accomplished Projects
Contract Identification
Contract No 18 Technical Assistance and implementation of a Rural electrification project based upon SWER (Single Wire Earth Return) techniques
Award date 1998 Completion date 1999 Employerrsquos Name JIRAMA (JIRO SY RANO MALAGAS) Address
149 RUE RAINANDRIAMAMPANDRY Antananarivo BP 200 - MADAGASCAR
Main Tasks Performed
bull Training on SWER System bull Data collection needed for SWER System studies and implementation bull Finalization of technical studies and submission of report including
- Technical audit of the pilot project already in place - Technical description of the project - AdviseRecommendations on equipment specifications - Recommendations on possible changes in adjustment and coordination of electrical
protections
Contract Identification
Contract No 19 RWANDA Project (Phase 1) Implementation of a Pilot Rural Electrification Project based on Single-Phase with neutral to ground called MALT System 4000 Subscribers
Award date June 2008 Completion date June 2009
Employerrsquos Name
RECO ( former ELECTROGAZ) -RWANDA
Address BP 537 KIGALI -RWANA
Main Tasks performed
bull Study and Diagnosis of the existing Rwandan Power Distribution An inventory of the existing facilities including generation transmission and distribution systems was established
bull Implementation of a pilot rural electrification project based on MALT System Visit was arranged to some Tunisian rural regions and companies manufacturing electric equipment namely
- Transformers
- Iron poles
- Concrete supports
- Electric cables
- Electronic meters and
- MV and LV line accessories
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
31
Contract Identification
Contract No 20 Local Electrification study of Tambacounda and Kedougou departments Award date October 2002 Completion date March 2003 Customerrsquos name SENELEC Address ELECTRICAL COMPANY SENEGAL
Main Tasks Performed
bull Data Collection bull Socio-economic survey bull Technical economic and financial analysis bull Electricity market forecast (demand forecast (2003-2015)) bull Estimation of worksrsquo costs regarding medium voltage single-phase and tri-phase lines medium
and low voltage stations low voltage lines diesel micro-stations individual photovoltaic systems bull Technical and economic study related to different methods of supply including the solar as well as
the opportunity of introducing the single-phase system for the rural electrification bull Proposition for the public lighting and the management of photovoltaic systems bull Recommendations for the reinforcement of the existing stations and the existing networks to satisfy
the future demand due to the electrification of the new villages bull Tariff and profitability study bull Set up of the geographical maps and the low voltage electrification plan of the most important
villages (34 villages) bull Recommendations on privatizing power generation energy sector
Contract Identification Contract No 21 - Rural Electrification study of 80 villages in Comoros Isles
- Preparation of Tender Documents for the supply of equipment needed to the construction of 145 km MV lines 100 km LV lines and 80 MVLV stations
- Call for tenders evaluation of Bidders Award date November 2000 Completion date Dec 2002 Customerrsquos name
Ministry of Equipment Department of Energy and Water Resources
Address Moroni Avenue of the Democratic Republic of China
Main Tasks Performed
bull Data collection and visit of the existing electric utilities bull Situation analysis and proposal of electric infrastructure management solutions bull Electricity Demand Estimation and Forecasting bull Electric Calculation (Load Repartition Line Voltage Drop Losses and Voltage Drops
Calculations Short-Circuit Calculations Simulation of the Extension and Reinforcement of the Medium Voltage Networks Power System Stability Analysis Reactive Power Compensation
bull Low Voltage Studies for the Electrification of 80 villages bull RecommendationsSuggestions for the reinforcement of power generation utilities to satisfy
the future demand (by 2010) bull Electricity Tariffing study
- Review of electricity consumption patterns - Cost review - Review of tariff policies - Application and implementation of revised tariff levels
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
32
Contract Identification Contract Ndeg 22 Establishment and set up of a computerized accounting and budget system
Award date 1992 Completion date 1994 Customerrsquos name SOMELEC Address Nouakchott - MAURITANIA
Main Tasks Performed
bull Analytical accounting bull Bid evaluation bull Cash flow movements management bull Fixed assets management bull Centralizing bookkeeping bull Existing computer application interfaces update bull Transposition of the existing system to the new one bull Operation and maintenance Documents preparation bull Execution of the transposition of the existing system to the new one
Contract Identification Contract
No 23 Electricity sector reform technical assistance in the interim management of the ldquoCompagnie Energie Electrique du Togo ldquo(CEET)
Award date 41997
Completion date 122000
Employerrsquos Name Ministry of Mining Equipment transmission Mail and Telecommunications
Address TOGO
Main Tasks Performed
bull Technical assistance in the interim management of the CEET within the framework of the electricity sectorrsquos liberalization 1) termination of the current CEET management 2) analysis of the existing situation 3) interim management of the CEET prior to its privatization
bull Operation and maintenance of the electrical network for Lomeacute and its surrounding rural areas bull Electricity generation in isolated centers bull Electricity transmission and distribution bull Procurement and maintenance of new diesel production units bull Reduction of energy losses bull Customer management bull Increase in the number of Customers bull Accounting and billing bull Increase in payment recovery bull Call for tenders evaluation of proposals drafting of the technical annexes concerning the contracting
for a new independent operator (concession)
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
33
72 On-going and Under Bidding (UB) Projects
No Project Description Country
1 Training Center Update (on-going project) Republic of Congo BRAZZAVILLE
2 Master Plan elaboration in close cooperation with STUDI (Tunisia) (on-going project)
Republic of Senegal
3 Implementation of a Rural Electrification Project based on Single-Phase Four-Wires
with Neutral to Ground called MALT System (UB) Republic of Burkina Faso
4 Cost study connections to and extensions of electricity distribution networks
(UB)
Republic of Burkina Faso
5 Works Control and supervision of rural electrification of 33 communities in 4
regions of the Republic of Cameroon (UB) Republic of CAMEROUN
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
34
JUDICIOUS AND EFFICIENT ENERGY UTILIZATION
IS AT THE FOREFRONT OF OUR MINDS
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
35
Over the year 2008 STEG International Services (SIS) has widened its scope of activities to
include techno-economic studies and assistance in energy efficiency thereby providing support
to the national energy policy aiming at considering energy auditing energy efficiency energy
saving as a major priority target in Tunisiarsquos future energy strategic plan objectives In this
regard STEG International Services has carried out several projects including but not limited to
the following
80 Energy Efficiency
bull Performing obligatory periodical energy audits for industrial installations as well as energy audits on a consultancy basis
bull Assistance on projects involving energy efficiency bull Studies on energy efficiency of circuits hydraulic and thermal systems bull Upgrading energy management systems of industrial plants
81 Co-generation (Combined Heat and Power (CHP)) Studies
The main tasks performed included
bull Feasibility studies and project implementation assistance ndash RandaTunis
bull Assistance in electric utility restructuring from self power producer (electricity generation
only) to self-producing co-generatorsndash STSBEJATunisia
bull Technical assistance related to STEGrsquos grid connection with Co-generation plants in some
industrial units -SOTIPAPIER STS T-PAP and Carthago-GRE- Tunisia
82 Energy audits and energy efficiency
In any industry the three top operating expenses are often found to be energy (both electrical
and thermal) labour and materials Energy would invariably emerge as a top ranker and thus
energy management function constitutes a strategic area for cost reduction
Energy Audit will help to better understand how energy is used in any industry and in identifying
the areas where waste can occur and where scope for improvement exists In this regard the
Energy Audit would give a positive orientation to the energy cost reduction preventive
maintenance and quality control programs which are vital to production and utility activities Such
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
36
an audit program will help keep focus on variations which occur in the energy costs availability
and reliability of supply of energy decide on appropriate energy mix identify energy
conservation technologies retrofit for energy conservation equipment etc
Therefore SIS can carry out comprehensive assessment of techno-economic performance of
plants and equipment against the designed performance level or the industry best practice
aiming at optimizing consumption levels along with specific operating control targets
821 Samples of accomplished and on-going Energy Auditing projects
bull Energy Audit of the Liquefied Petroleum Gas (LPG) plant located in Gabegraves (Tunisia) with the assistance of Kvaerner Heurtey in 2001
bull Energy Performance Assessment of Rades and Sousse steam and Combined Cycle Power Plants as well as Bouchemma Menzel Bourguiba Korba Gas Turbines with the assistance of TRACTABEL and EDF in 2002
bull Energy Audit of Sousse Combined Cycle Power Plant with the assistance of CRA2E in 2007-2008
bull Periodic Performance Tests of Carthage Power Company (CPC) combined cycle an Impendent Power Producer (IPP) in Tunisia
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
37
SIS Future Commitments and Responsibilities
Endowed with a clear vision a sound project management and solid experiences and
know-how acquired by the parent company STEG through its various trades of over 48 years
SIS has put together a team of experts inndashline with its strategic intent- to be positioned as a
competitive and pre-eminent regional energy services company by spreading its expertise and
know-how throughout the African continent Arab countries and the rest of the world working on
a partnership basis with potential consultants andor the utilities of the respective countries
resulting in a keen focus and a strong sense of purpose
As part of its vision SIS management recognizes that it has responsibilities to all of its
stakeholders These include
Shareholders SIS will protect the investments of its shareholders and will provide an acceptable return on
investments through the application of its business principles Customers SIS will aim at optimizing its business activities through winning customers and maintaining
customerrsquos loyalty by offering them high quality services at competitive prices delivering on time
and supporting them with its management expertise
Employees SIS recognizes that its working employees are the key to its success and it nurtures loyalty
teamwork and trust between them SIS will strive to protect support and involve them in the
companyrsquos future to develop their skills and to reward them in line with the corporate values of
SISrsquos organization
Partners Suppliers Contractors and all External Contacts SIS will seek to treat all its partners suppliers contractors and other external stakeholders in a
consistently professional way and to ensure that their needs are fulfilled in every way possible
38
- 72 On-going and Under Bidding (UB) Projects
-
38
- 72 On-going and Under Bidding (UB) Projects
-