Download - 120m AWBarge
120m ACCOMMODATION WORK BARGE
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120m Accommodation Work Barge
SECTION 1 – GENERAL .............................................................................................................. 5
1.0 INTENE & DEFINITIONS ............................................................................................................ 5
1.1 GENERAL DESCRIPTION ......................................................................................................... 10
1.2 PRINCIPAL PARTICULARS ....................................................................................................... 10
1.3 CLASSIFICATION ...................................................................................................................... 12
1.4 REGISTRY ................................................................................................................................... 13
1.5 REGULATIONS ........................................................................................................................... 13
1.6 CERTIFICATES ........................................................................................................................... 14
1.7 MATERIALS&WORKMANSHIP ............................................................................................... 15
1.8 WELDING ................................................................................................................................... 15
1.9 INSPECTION AND SUPERVISION ........................................................................................... 16
1.10 TEST .......................................................................................................................................... 16
1.11 INCLINING EXPERIMENT ...................................................................................................... 17
1.12 DOCK TRIALS .......................................................................................................................... 17
1.13 BARGE TRIALS ........................................................................................................................ 19
1.14 DELIVERY ................................................................................................................................ 20
1.15 DRAWINGS ............................................................................................................................... 20
1.16 MANUALS OF MACHIERY & EQUIPMENT ......................................................................... 22
SECTION 2-STRUCTURE .......................................................................................................... 24
2.0 GENERAL ................................................................................................................................... 24
2.1 BOTTOM CONSTRUCTION ...................................................................................................... 24
2.2 SHELL PLATING ........................................................................................................................ 24
2.3 LONGITUDINAL SECTIONS .................................................................................................... 24
2.4 TRANSVERSE SECTIONS ......................................................................................................... 25
2.5 GIRDERS & PILLARS ................................................................................................................ 25
2.6 DECKS ........................................................................................................................................... 25
2.7 WATERTIGHT/OIL-TIGHT BULKHEADS ............................................................................... 25
2.8 DECKHOUSE .............................................................................................................................. 25
2.9 OUTFRITING(EXPOSED AREA) .............................................................................................. 26
2.10 FENDERS .................................................................................................................................. 26
2.11 LASHING LUGS ....................................................................................................................... 26
2.12 PIPE& CABLE TUNNEL .......................................................................................................... 27
SECTION 3- ACCOMMODATION AND STRUCTURE 3.0 ACCOMMODATION ................. 27
3.1 INSULATION .............................................................................................................................. 27
3.2 PANELLING AND CEILING ...................................................................................................... 28
3.3 DECK COVERING ...................................................................................................................... 29
3.4 WINDOWS AND SIDELIGHTS ................................................................................................. 30
3.5 DOORS ........................................................................................................................................ 31
3.6 LOCKS ......................................................................................................................................... 31
3.7 NAMEPLATES(OUTFITING) .................................................................................................... 32
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3.8 ACCOMMODATION-GENERAL............................................................................................... 32
3.9 CABINS ....................................................................................................................................... 35
3.9.1 FOUR-BERTH CABINS ........................................................................................................ 35
3.9.2 TWO BERTH CABINS .......................................................................................................... 36
3.9.3 SINGLE BERTH CABIN ....................................................................................................... 38
3.10 TOILETS AND WASHBASING(FOR ATTACHED ACBINS) ................................................. 39
3.11 GALLEY .................................................................................................................................... 40
3.12 MESSROOM .............................................................................................................................. 42
3.13 FREEZER,CHILLER & PROVISION STORES ........................................................................ 43
3.14 DRY PROVISION STORES ...................................................................................................... 44
3.15 STORES-GENERAL ................................................................................................................. 44
3.16 PAINT STORE ........................................................................................................................... 45
3.17 WORKSHOPS ........................................................................................................................... 45
3.18 LAUNDRY/DRYING ROOM .................................................................................................... 45
3.19 SICK BAY .................................................................................................................................. 46
3.20 COMMON TOILET FOR 4-MAN CABINS .............................................................................. 47
3.21 OFFICES .................................................................................................................................... 48
3.22 NAVIGATION/RADIO ROOM ANF BRIDGE CONTROL ROOM ......................................... 48
3.23 RECREATION ROOM............................................................................................................... 53
3.24 MAIN DECK .............................................................................................................................. 53
3.25 HELIDECK ................................................................................................................................ 54
SECTION 4 PAINTING & CATHODIC PROTECTION ............................................................ 55
4.0 GENERAL ................................................................................................................................... 55
4.1 PAINT SCHEME .......................................................................................................................... 56
4.2 CATHODIC PROTECTION ........................................................................................................ 58
SECTION5 DECK MACHINERY&EQUIPMENT .................................................................. 59
5.0 DECK MACHINERY AND EQUIPMENT .............................................................................................. 59
5.1 MOORING SYSTEM .................................................................................................................. 59
5.1.1 ANCHORS ............................................................................................................................. 60
5.1.2 MOORING WINCHES & WINCH CONTROLS ................................................................... 60
5.1.4 TENSION SHEAVES ............................................................................................................. 61
5.1.5 FAIRLEADS(UNIVERSAL) ................................................................................................... 61
5.1.6 WIRE ROPES ........................................................................................................................ 62
5.2 TUGGER WINCH-TOWING BRIDLE ....................................................................................... 62
5.3 TOWING GEAR .......................................................................................................................... 62
5.4 MAIN CRANE(OWNER SUPPLY) OPTION ..................................................................................... 62
5.5 GANGWAY .................................................................................................................................. 63
SECTION 6—SAFTY& NAVIGATION ...................................................................................... 66
6.1 FIRE PROTECTION & DETECTION ......................................................................................... 66
6.1.1 FIRE DETECTION SYSTEM ................................................................................................ 66
6.2 CO2 FLOODING SYSTEM CO2 ................................................................................................. 69
6.3 AUTOMATIC SPRINKLER SYSTEM ........................................................................................ 69
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6.4 GENERAL ALARM SYSTEM .................................................................................................... 70
6.5 FIRE FIGHTING APPLIANCES(PORTABLE) .......................................................................... 71
6.6 FIRE MONITOR 火灾监测 ......................................................................................................... 72
6.7 LIFE SAVING APPLIANCE ........................................................................................................ 72
6.8 MUSTER AREA/EVACUATION STATIONS ............................................................................. 74
SECTION 7 – MACHINERY ....................................................................................................... 75
7.0 MACHINERY GENERAL ........................................................................................................... 75
7.1 MAIN GENERATING SETS ....................................................................................................... 75
7.2 EMERGENCY GENERATOR SET ............................................................................................. 77
7.3 PIPING AND VALVES ................................................................................................................ 78
7.4 PIPING MATERIALS .................................................................................................................. 82
7.5 BALLAST SYSTEM .................................................................................................................... 83
7.6 FIRE & GENERAL SERVICE SYSTEM ..................................................................................... 84
7.7FUEL OIL SYSTEM ..................................................................................................................... 86
7.8 DOMESTIC POTABLE FRESH WATER SYSTEM(HOT AND COLD) .................................... 87
7.9 FRESH WATER TRANSFER PUMP ........................................................................................... 89
7.10 FUEL OIL PURIFIER ................................................................................................................ 89
7.11 DOMESTIC SALT WATER SYSTEM ....................................................................................... 89
7.12 SEWAGE TREATMENT PLANT .............................................................................................. 90
7.13 OILY BILGE SYSTEM .............................................................................................................. 90
7.14 HEATING/VENTILATION/AIR CONDITIONING .................................................................. 91
7.15 DESIGN CONDITIONS ............................................................................................................ 92
7.16 REFRIGERATION SYSTEM-FREEZER & CHILLER ROOMS .............................................. 95
7.17 AIR COMPRESSORS ................................................................................................................ 97
7.18 FRESH WATER MAKER .......................................................................................................... 97
7.19 EYEWASH STATION ................................................................................................................ 97
7.20 EMERGENCY FIRE PUMP ...................................................................................................... 98
SECTION 8 ELECTRICAL ......................................................................................................... 98
8.1 ELECTRICAL .............................................................................................................................. 98
8.2 MATERIALS,EQUIPMENT & ENVIROMENTAL CONDITIONS ........................................... 99
8.2.1 CABLES ................................................................................................................................ 99
8.2.2 JUNCTION BOXES ............................................................................................................ 100
8.2.3 CABLE TRAYS .................................................................................................................... 101
8.3 ELECTRICAL SYSTEM OF SUPPLY ...................................................................................... 101
8.4 SHORT CIRCUIT CALCULATION .......................................................................................... 102
8.5 ELECTRIC POWER SOURCE .................................................................................................. 102
8.5.1 MAIN SWITCHBOARD ....................................................................................................... 103
8.6 ELECTRIC SHORE SUPPLY .................................................................................................... 105
8.7 ELECTRIC MOTORS ................................................................................................................ 105
8.8 LIGHTING ................................................................................................................................. 106
8.9 NAVIGATIONAL AND OPERATIONAL LIGHTS .................................................................. 108
8.10 GENERAL ALARM ................................................................................................................. 108
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8.11 24VDC POWER SUPPLY(BATTERY CHARGER & DISCHARGE PANEL)24V DC .......... 109
8.12 SMALL POWER AND LIGHTING ......................................................................................... 110
8.13 INSPRCTION AND TESTING ................................................................................................ 110
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SECTION 1 – GENERAL
1.0 INTENE & DEFINITIONS
This specification together witn the GA drawing No:C4157/G-1 is
intended to describe the construction of a Accommodation/Demick
Pipelay Barge completely outfitted and equipped for pipelay,demick work
and other related duties.It will be classed to American Bureau of Shipping
as a Barge for Unrestricted Services and will comply with the regulations
of the Malaysian Flag Authority
The following terms will be used in the following specifications:
1) Owners :
2) Builders :
3) Classification : American Bureau of Shipping
4) Consultant :
DEFINITIONS OF TERMS
THE FOLLOWING TERMS IN THESE SPECIFICATIONS SHALL
BE UNDERSTOOD AN STATED HEREAFTER
Owner
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When the term “Owner”is used herein it shall mean SUPERIOR
ENERGY SERVICES
Inspector or Owner’s Rspresentative
Inspector or Owner’s Rspresentative’’ is used,it shall be understood to be
a person or member of the organization designated bu the Owner for that
particular duty.
Builder
Where the term”Builder”isshall be understood to mean the Consortium to
whom the Contract will be awarded and who shall have the responsibility
for the design,engineering,consturction,outfitting,installation,testing and
delivery of the Vessel.
Regulatorv Bodiles
Where the term Regulatory Bodies is used,it shall be understood to be
ABS and the Authority of the Country of Registry(Malaysia),under whose
regulations the Vessel is registered and to comply with.
Vessel
Where the term “Vessel”is used it shall be understood to be
Accommodation/Demick Pipe Lay Barge of which the design,technical
requirements and construction details are defined in these Technical
Specifications.
Vendor
Any firm or agent who manufactures or sells materials,equipment and / or
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services used for the Vesse
Subontractor
Firms engaged by Builder to perform part of the Work under the Contract
Owner Fumished Equipment(OFE)
All materials,equipment or services,which will be supplied by Owner to
be the Builder.These are specified in the OFE list,Appendix A
Builder Furnished Equipment(BFE) All materials,equipment or
services,which will be supplied by the Builder,to construct the Vessel。
Install
Where the term “install”is used in rclation to any matcrials or
equipment,it means that those materials or equipment will be
checked,shored,handled,mounted on the Vessel and connected by
theBuilder,regardless whether the mentioned materials or equipment are
supplied by Owner(as under Appendix A)or by Builder
Installation shall specifically take into account:
- Configuration,weight,dynamic loading of the materials or equipment
- Recommendations from Manufacturer
- Access for operation and maintenance
- Vcntilation,heating,cooling if so required
- Power supply,drainage ctc.as required
- Interfacing when required.
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Builder shall verify the scope of the Manufacturers and OFE to
detwemine the interfaces for proper installation and operations of
materials or equipment.Builder shall prepare an interface management
procedure for all new equipment and materials。
Provide
Where the term “provide”or provided is used in relation to any materials
or equipment,it shallmean that those materials or equipment will be
delivered by the Builder,except for the OFE,and installed in accordance
with the fore-mentioned definition。
It shall also cover workmanship as necessary to comply with Builder’s
obligations。
Fumish
Where the term “fumish”is used it shall be understood that the Builder
shall fumish and Install the reference material and/or equipment at the
Builder’s expense even if only one of these words is used,except when it
is specifically mentioned as Owner’s supply,in which case the Builder
shall install same with all necessary foundations,piping,wining etc as
required
Foundations
Where the term “foudation”is used in relation to any materials or
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equipment to be installed on the Vessel,it shall mean that the Builder shall
design,provide and install the necessary materials to properly seat the
equipment on the vessel,including all and any work to transfer the static
and dynamic loads into the Vessel’s structure and comply with the
requirements for vibration suspension if applicable
Tchnical data for the foundation design,mechanical and electrial systems
interface of OFE shall be supplied by Owner to the Builder no later than
30 days after contract signing
Approval
Approval means approved by the Owner and Regulatory Bodies and
“APPROVED”means approval
Completion
Means the completion of the work when the Owner’s APPROVAL and
final acceptance of WORK is obtained
Work
Means Scope of Work,all the facilities,goods,equipment
materials(whether temporary or permanent) and/or services and
obligations required to be furnished or performed by the Builder under
the Contract.
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1.1 GENERAL DESCRIPTION
he barge shall be all welded steel construction.The barge’s
accommodation is to be located on the forward main deck, The main hull
is to be divided by transverse and longitudinal WT bulkheads into the
following compartments:(refer to the G.A plan)
1) Forepeak SWB tank
2) Water ballast tanks
3) Winch compartments
4) Engine room with fuel oil double bottom tanks
5) Fresh water tanks
6) Pipe tunnel
7) Dirty oil tanks
8) Sewage tank
1.2 PRINCIPAL PARTICULARS
Length overail : 120.0m(393.6 ft)
Beam moulded : 31.7m(1.4 ft)
Depth moulded : 9.0m(29.5 ft)
Draft moulded : 6.5m(approx)
Superstructure Deck Heights
Deckhouse : 3.00M approx
Accommodation
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5×1-berth cabins : 5men
19×2-berth cabins : 38men
65×4-berth cabins : 260men
The Accommodation number and type of cabins subject to change based
upon owner approval of the final Accommodation Arrangement/Layout
Tankage-approc(100%full)
SWB/FW tank (Non-potable) : 8000 M3 approx.
F.W.Tank(potable) : 2000 M3 approx.
F.O.Tank : 600 M3 approx.
Dirty Oil Tank : 15 M3 approx.
Hydraulic Oil Tank : 10 M3 approx.
Lube Oil Tank : 10 M3 approx.
Main Deck Strength : 12.5tonnes/M2
Service conditions 服务条件
The vessel,plant,machinery and equipment,their components and related
sustems shall be entirely suitable for service under the following
conditions:
Ambicnt air temperature
45 deg C (max) 0 dg C
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(min)
Relative humidity
95%(max)
50%(min)
Sea water temperature
32 deg C(max) 15 deg
C(min)
Wind velocity 18m/sec
Wave height
3.0m(12sec)
Current velocity 2 Knots
Water Depth
Lifting Operations mode 9m to
150m
Pipelay Operations pipelay mode 6m to 150m
Pipelay Operations standby mode 20m to
150m
1.3 CLASSIFICATION
The vessel is to be constructed,machinery installed and equipment and
spare gear provided in accordance with the latest Rules for Building &
Classification of Steel Barges 2003 to American Burcau of
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Shipping(hereinafter referred to as classification)for class Maltese
Cross+Al Barge for unrestricted service(with description in the
classification record as accommodation/derrick pipe-lay barge)
1.4 REGISTRY
The owners are responsible for the registration of the vessel including all
Statutory exemptions require for completion of construction
(e.g.Lifeboat,Bow Height,if neccsary).The Flag Adminstration shall be
XXXXXXX.
1.5 REGULATIONS
The vessel is to comply with:
a) International Loadline Convention 1996
b)IMO Intact and Damage Stability Guideline IMO A649(16)1989
modu code chaoter 3
c) International Converition of Prevention of Collisions at Sea 1972
d)International Tonnage Admeasurement Convention 1969(Including
1967 amendent)
e) Marpol 73/78 IOPP compliance to AnnexI,IV,V
f) Maritime Laws and Regulations of the flag authority.
g)Panama Tonnage
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1.6 CERTIFICATES
All necessary certification issued by Classification Society and
Regulatory Bodies in accordance with the proceeding paragraph, together
with the following certificates supplied by the Builder, are to be handed
over to the Owner in a timely manner during the delivery of the vessel:
1) Builders Certificate
2) Classfication certificates(hull and machinery)
3) Tonnage cerficate,1969&PanamaCanal tonnage
4) Laoding certificate for manned barge
5) Predenting pollution certificate
6) Derating certificate
7) The other certigicates required by classfication or flag authotity
8) Mooring winth & anthor test certificate(statementof fact to be issued
by ABS)
9) Asbestos certificate by shipyard
10) NOX(Marpol annex 4) for diesel engines(statementof fact to be
issued by ABS)
11) Certificates for all work wires
12) Radio Telephony Certificate
13) Safety Construction Certificate
14) Safety Equipment Certificate
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The cost of all fees and charges incurred for survey, classfication and
issue certificates are to be borne by the builder。
1.7 MATERIALS&WORKMANSHIP
a) All materials and workmanship are to be of good quality and marine
practice, All steel plates All cables, fastenings, shackles, rigging,
winch cables, sheave blocks and light fittings to be made of materials
which have been tested, approved and certified where applicable.
Standord to be of J.S.QS.
b) All woods used to be suitable for intended purpose and good
quality.all timber to be free from knots and seasoned.
c) All smith or fabraticated fittings to be of neat design strong,smooth&
free from defects.
d) All castings to be of good quatity,close grained and free from all
cracks ,blow holes and other defects
Steel castings are approved and certified where applicable.
1.8 WELDING
The vessel is to be of all steel welded construction, and should comply
with the requirement of contract plans and specificatons &
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classification.antomatic welding should be used as far as posssible.
Welding shall be in accordiance with classification requirements. All steel
shall be good welding quatity.free from laminations or other harmful
defects and be class approved.electrondes shall be selected from class
apprved lists.welding schedules to meet classification
requirement/standard. High standard of up-to–date weilding practice or
procedures are to be applied.associated with accurate
alignment,fainess ,edge preparationand gap widths.
1.9 INSPECTION AND SUPERVISION
Thoughout the construction period prior to delivery, the surveyors
owner’s representative and consutants are to be given free access to the
builder’ yard during normal working hours for inspection.shipyard to
provided cleanliness during constraction period.
1.10 TEST
Prior to delevery,the hull, all
machinery ,electrical,piping,allnavigation/communication and deck
machinery,domestic equipment etc. are to be tested in the presence of
classification’s attending surveyor,owner/or other representative
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1.11 INCLINING EXPERIMENT
When the vessel has reached a sufficiently advanced stage of
construction, andonly minor work remains to be completed, the
lightweight and vertical and horizontal centres of gravity of the vessel are
to be determined by means of an inclining experiment. The inclining
experiment is to be attended by the Owner or his representative and also
the regulatory authorities. During the inclining experiment, the vessel
shall be in a suitable condition approved by the Owner or his
representative. No loose water or oil is to be on board and all shipyard
equipment, rubbish, etc is to be removed. Based on the results a stability
report is to be prepared by the consulants.
1.12 DOCK TRIALS
Upon completion the vessel,the follow trials are to be carry out:
1) All piping systems shall be fully tested, including the checking of
valve nameplates.
2) Electrcal power plants with all lights
3) Auxiliary machinery
4) Ventilations, refregaration machinery.
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5) All deck machinery
6) Air condition machinery
7) All pumps,etc.
All systems and equipments shall be subjected to function check and test
in accordance with class before vessel’s delivery.
- All generators shall be loaded with main swithboard according to
class requirements
- Mooring winches
- Line pull test
- Life saving equipments
- Ballast system
- Lub.oil system
- Fuel oil system
- Compressed air system
- Fire fighting system
- Nav. & comm.system
- Lighting system
- CO2systemCO2
- Auto sprinller system
- Fire dection system
- Fresh water making system
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Materials and consumable for dock trials ,sea trials and class test shall be
furnished by builder.
1.13 BARGE TRIALS
Barge trial is to be arraged and carried out in accordance with program
approved by the class/owner.
a) Mooring winch c/w anchors pull test
8 points anchoring trial/test is to be conducted to enssure the mooring
winches and other equipment /system ,etc are in operating condition
and record.builder to test only the bow sets of owner furnished
winches.the owner/superior shall test the stern sets winches at
shipyard wharf.
Owner is to supply two complete sets of Double Drum Mooring Winches
and the associated Controls and Power Equipment necessary to fully
operate the mooring winche
Shipyard is to supply support services necessary for the proper operation
of the Owner Furnished Equipment during this testing.The shipyard not
responsible for performance of the equipment,but only the supporting
systems supplied by the shipyard under this contract
b) Navigation Equipment Trial
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c) Pipe Lay Equipment (Option : Owner Supply)
Pipe Lay equipment trials are to be conducted by the Owner/Superior in
accordance with the requirements and specifications for the Owner
Furnished Equipment.The Pipe lay equipment testing is not included in
the builders’scope of work
Shipyard is to supply support services necessary for the proper operation
of the Owner Furnished Equipment during this testing.The shipyard not
responsible for performance of the equipment,but only the supporting
systems supplied by the shipyard under this contract.
1.14 DELIVERY
Delivery of the vessel is to be taken afloat adjacent at the builders’yard or
oter mutually agreeable location and all
tanks,compartments,bilge,accommodation and other space arce etc shall
be cleaned and free of all dunnage and dirt.
1.15 DRAWINGS
On completion,three(3) sets of up-dated construction/engineering
drawing in hard copy and two(2) sets of the following drawings as
approved and n classificationm, are to be supplied:and all the
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construction/schematic drawings shall be sent to be the owner for
approval before construction commences.(1) electronic copy of the final
revision for each drawing on a CD-ROM shall be submitted to the owner
upon delivery of the vessel.Drawings shall be in Auto CAD format.IF
AutoCAD is unavailable,then PDF format will be acceptable.
1) General Arrangement
2) Hydrostaic Curves
3) Cross Curves
4) tability Repors
5) Docking Plan
6) Tank Calibration
7) Structural Profile & Deck
8) EngineSeating Details
9) Sections & Bulkheads
10) Superstructure Detail
11) Engine Room Layout
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12) Bilge,Ballast & Firemain System
13) Ship’s Fuel System
14) Domestic FW & Sanitary System
15) Position of Tank Vent,Sounding & Filling Pipes
16) Schematic Wiring Diagram and Reference to Fittings
17) Main Switchboard Wiring & Shrt Circuit Calculations etc
18) 24V DC Radio Battery Charging Panel & 24V DC Switchboard
24V DC
19) Ventilation Arrangement
20) LSA &F.F.A.Arrangment LSA&F.F.A
1.16 MANUALS OF MACHIERY & EQUIPMENT
Three(3) sets of manual of all machinery and equipment in the English
language are to be supplied by the builders and/or supplier.
1.17 GENERAL MARINE PRACTICE
Any modifications and changes requred by Classification Society
effective on the date of contant but not mentioned in the specification and
drawing shall be modified and installed at no extra cost to the owner.
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Any minor items of steel/piping etc of equipment,machineries or
outfitting which inadvertently are not expressly called for in the
specification or drawing but necessary for the safe and efficient working
of the vessel shall be furnished and installed as the case may be without
any cost to be the owner(Owner supplied equipment excluded.
1.18 MANUFACTURING REPORTS
Builder shall supply reports containing as a minimum,but not limited to
the following dotcuments:
- Material certificates
- Welding Procedures
- Welding Procedures Qualification Records
- Welder’sRegister or Certification Recerd
- Weld inspection reports and records
- Test records
- Inspection Plans and Records
- As-built documents and drawings
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SECTION 2-STRUCTURE
2.0 GENERAL
The steel hull and deckhouse are to be of all welded
construction,Longitudinal framing system is to be used throughout,The
following scantlings are for guidance only and will be subjected to class
final approval.
2.1 BOTTOM CONSTRUCTION
Engine room,winch compartments and workshop/store to be completely
above double bottom construction.
2.2 SHELL PLATING
The bottom and side plating are to be longitudinally plated,to have
welded butts and seams and having the following thickness:
Bottom plate in general : 14mm
Side shell in general : 12mm&14mm
Main Deck Plate in general : 16mm(min)
2.3 LONGITUDINAL SECTIONS
Deck : 150X90X12mm
Bottom,Side shell & bulkhead : 150X90X12mm
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2.4 TRANSVERSE SECTIONS
Deck : 600X150X12flange plate
Bottom : 600X200X12flange plate
Sideshell & bulkhead : 600X150X12flange plate
2.5 GIRDERS & PILLARS
Girders of plates fabricated sections toghter with pipe pillars are to be
fitted in engine room.
2.6 Decks
Main deck is to be 16mm(min)designed for 12.5 tons/㎡ in way of
working deck and 10mm elsewhere.Doubling plates are to be fitted under
bollards.
2.7 WATERTIGHT/OIL-TIGHT BULKHEADS
The WT/OT bulkheads are to be 10&12mm plated horizontally as on the
drawing.
2.8 DECKHOUSE
The deckhouse’s plating to be 10mm at lower decks and 8mm on higher
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decks,Each deck shall have 3 mtr.Height.
2.9 OUTFRITING(EXPOSED AREA)
All the external hatches,doors,air-vent,ladders,flanges,lighting and
equipment seating etc shall be stainless steel bolt and nuts.Handrail to be
6”pipe on top and 4”pipe at lower tier vertical stanchion to 6”pipe
2.10 FENDERS
Each side of the vessel and the transom is to be protected by chafing bars
of timber fender panels of approx.3m depth and 4.0m wide above
lightship waterline.Appropriate additional tire fenders of suitable size(s)
to be installed to prevent damage when mooring
The wooden fender shall be constructed of 1ft square hardwood suitably
treated,and be secured by gal-vanised steel bolts and angle iron. The
vessel side structure is to be suitably reinforced in way of the fenders.
The wooden fender shall be constructed of 1ft square hardwood suitably
treated,and be secured by gal-vanised steel bolts and angle iron.
2.11 LASHING LUGS
Total 20 nos.of 10 ton SWL lug to be arranged on P& S main deck.
Placcment to be approved by the owner.
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2.12 PIPE& CABLE TUNNEL
A pipe & cable tunnel to be arranged under deck along centre line of
vessel。
2.13 FIRE LINE SHELTER
A pipe lay fire line shelter shall be arranged on the Main Deck of the
vessel along the stbd side of the vessel to be fabricated of Steel Structural
support complete with a steel roof capable of storage of small deck
gear(~3tons/m2)and light weight steel sides that effectively shield the
pipe laying operations from wind and weather.
SECTION 3- ACCOMMODATION AND STRUCTURE 3.0
ACCOMMODATION
Vessel shall be equipped with Accommodations for at least 300-people.
3.1 INSULATION
The type of bulkheadead between adjacent spaces in a vertical or
horizontal direction is to follow the guidelines for structural fire integrity
detailed elswhere in this specification,but in no instance is it to fall below
the standards laid out in the latest SOLAS. Requirements and
amendments thereof.and all insulation generally described below is to be
in accordance with the 1974 SOLAS Convention and the 1981 and 1983
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amendments.
Insulation materials are to be non-combustible rock wool having density
of approx.100kg/cu.m.
Rockwool slabs of 50mm-100mm thick are to be laid all over
accommodation as relevant for air-conditioning and noise
control,warehouse deckhaed,engine room deckhaed,winch
compartments,etc.
Rockwool slabs are to be properly secured into the steel surface by maens
of welded galvanised wires with galvanised clips at the ends.
Ceiling in way of stores,forward engine room and forward winch
compartments etc are to be covered with galvanised sheets(secured
properly by small angle bars)after insulation.
3.2 PANELLING AND CEILING
All material to comply with the SOLAS 1974 requirements and the 1981
and 1983 amendments,and the structural fire integrity requiremens.
All panelling and ceiling material are to be good quality marine boards of
soft core type.Choice of colour and pattem are to be decided by
Owner.No screws must be cisible for the finished panelling and ceiling.
For toilets/shower spaces,steel panels and ceiling should be properly
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painted and partition panels shall be of suitable material for wet space.
Ceiling is to be extended owner the complete accommodation area.The
ceiling height below main deck is to be such that the clear headroom is
obtained as at least 2.20M.Adequate hinged service hatches are to be
provided wherever necessary for access to the junction boxes and other
instructions for maintenance
Removable access covers for maintenance of equipment and plumbing
shall be provided in way of joiner bulkheads and ceiling panels.
3.3 DECK COVERING
Etemal deck is to be painted as specified in relevant sections.
In way of accommodation and other relevant areas,the deck is to be laid
with Semtex type or equivalent deck composition of 8mm thickness
finished with good quality sheets(heavy duty).Aluminium skirting are to
be provided around the bulkheads all over.
Pattem type and colour of sheets to be to Owner’s choice and approval.
All wash places,galleys and other relevant areas to be laid with ceramic
tiles(100X200mm)embedded on 50-75mm thick cement reinforced with
chicken wire mesh.Tiles are to be well-covered up at side(at least
200mm)and coving to be covered with matching small tiles.Proper
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sealing arrangment is to be provided so that no water drips behind the
panelling.Proper flexibility shall be ensured to avoid cracking.
Before the deck covering is laid in the wash places,all pipe connections
are to be completed and the steel deck tested for water tightness by
flooding to coaming height.
All surfaces and levels are to be properly done to the full satisfaction of
Owner’s repersentative.
3.4 WINDOWS AND SIDELIGHTS
All windows are to have weldable steel frames in general and those on
higher floors with bolted frams for easy cleaning.Frames for the glass are
to be of anodised aluminium alloy.The windows are to be glazed in
12mm thick clear toughened glass except the windows in the Office and
control room which are to be double glazed toughened glass.Provision is
to be made for the collection and drainage of water leaking through the
window frames.
Necessary walkway outside to be fited for cleaning of windows,where
applicable.
All sidelights are to have weldable steel frames.and to be glazed in
toughened glass,and are to be fitted with deadlights,All sidelights are to
be of the hinged type,arranged to hinged upwards with securing hooks
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fitted over.Provision is to be made for the collection and disposal of any
water leaking through the sidelights.
3.5 DOORS
All extemal doors are to be weather tight type steel doors.All doors
fittings are to be of solid construction.Door stopper,ajar hooks,means for
securing in open position,lugs for padlock are to be fitted for all doors.
Fire rated internal doors are to be fitted for all areas facting
passageway,in way of cabins,offices,etc.
All internal doors will be fitted with kick-out type air-conditioned
louvres(size 400X300mm)with open/close device,Doors will be complete
with lock-set,hook,stopper and door closer.
Fire retarding doors laminated with low flame spread formica sheets on
both sides are to be fitted in toilet areas.
Doors in way of galleys and fire zones are to have A-60 fire rating。
3.6 LOCKS
All doors,cuphoards,lockers,drawers,etc are to be fitted with locks of
approved type and duplicate keys for each lock are to be supplied。
Three master keys to be provided for all cabins,passageways and all
extemal doors.
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3.7 NAMEPLATES(OUTFITING)
In way of accommadation,all cabins and compartments are to fitted with
plastic engraved name plates(screwed type)。
All external name plates to fitting and compartments are to be of brass.。
All necessary signs,arrows,notices etc are to be provided。
Afull list complete with locations are to be submitted to Owner’s
representative for approval.
3.8 ACCOMMODATION-GENERAL
The accommodation layout shall include the following as a minimum:
An accommodation deckhouse will be arranged on main deck forward,for
housing of a total complement of at least 300 persons,in single,double
and 4-persons cabins as indicated on drawings showing Accommodation
Arrangements。
On the top deck of the accommodation,the control room will be
arranged,The accommodation will further include the following as a
minimum:
Cabins4,2,and 1-man rooms only
TV/video room(50-person capacity)
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Prayer room
Laundry
(2)Client Room Offices(5mX5m min)
(1)Superintendent Office
(1)Chie Engineer Office
(1)Maintenace Office-Mechanical
(1)Maintenace Office-Electrical
(1)Q/A Inspectors Office
Client Recreation room
Conference room(20-person capacity)
Heli-Deck Waiting room
Galley
Messroom
Airhandling rooms
Passage ways
Staircases
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Control room
Nacigation/radio room(10’X 14’min)
Changing rooms(including adjacent toilet and showers)
Dry stores
Refrigerating/freezing stores.
Hospital
Linen stores
Layout to be developed in basign and to be approved by Owners and to
comply with Petronas Guidelines for PGBOOM as far as possoble
without conflicting with ABS rules,these specifications and general
marine practice.
Due consideration will be paid to noise levels,in layout and construction
of the accommodation.
The accommodation will be according to modern style living
quarters,Style and choice of matcrials to modern standards and materials
used shall,as far as reasonbly possible,be from samr manufacurer.Special
attention will be paid to an efficient and representative interior for
cabins,mess room,bridge and all other spaces,Passage ways within the
accommodation shall be minimum 1200 mm width.NO exposed screw
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heads for panrlling or joinery work shall be permitted。
3.9 CABINS
Cabins located as per the General Arrangement drawing are to be fitted
out in accordance with the following details,and arranged to provide
ample room for easy occupancy,All cabins shall have individual attached
or shared toilet/shower facility.
3.9.1 FOUR-BERTH CABINS
Each 4-berth cabin is to be fitted out with the following:
- 2.8m2 of deck arca and 6m3 of volume per each occupant
- 4 bunks,in double tier of hard smooth material with two drawers
under each lower berth,minimum 2.9m X 0.9m,Lower tier shall be
at least 300mm above the deck.The bottom of the upper tier shall
be at least 760mm from the bottom of the berth below it and from
the deck.
- 22.5cm thick spring mattresses of non-rot material such that it will
not hardbour vermin.
- Berth light for eath bunk Curtain rail and fire retardant curtain for
each bunk
- 4 built-in full height lockers of hard smooth material,each with
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shelves,hanging rail and hooks. Lockers shall be at least 0.194m2
cross section and 1.53m high.
- One upholstered chair
- One table with drawers on one side.
- One desk lamp
- One book rack
- Mirro
- Four hat hooks
- Tumbler holder for each person
- Four towel hooks
- 4 X 220V AC power points
3.9.2 TWO BERTH CABINS
Each 2-berth cabin is to be fitted out with the following
- One double berth bunk of hard smooth material with drawers
under minimum size 2.0m X 0.9m.Lower tier shall be at least
300mm above the deck.The bottom of the upper tier shall be at
least 760mm from the bottom of the berth below it and from the
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deck.
- 22.5cm thick spring mattresses of non-rot material.
- Berth light for each bunK
- Two built-in full height lockers of hard smooth material,with
shelves hanging rail and hooks.Lockers shall be at least 0.194m2
cross section and 1.53m high
- One desk with drawers on one side
- One upholsterd chair with arm rests
- Mirror
- Tumbler holder for each person
- Book rack
- Ashtray,two hat and two coat hooks
- Desk lamp
- Curtain rail and fire retardant curtain for each bunk
- Attached toilet
- 2X220V AC power points
- 1 X Upholstered settee
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- 1 X Coffee table
3.9.3 SINGLE BERTH CABIN
Each single berth cabin is to be fitted out with the following:
- Single berth bunk 2.0m X 0.9m of hard smooth material with
drawer under.Lower tier shall be at least 300mm above the deck
- One 22.5cm thick spring mattress
- Berth light
- Built-in full height locker of hard smooth material,with shelves
hanging rail and hooks.Lockers shall be at least 0.194m2 cross
section and 1.53m high
- ne desk with drawers on one side
- One upholstered settee
- One coffee table
- Book shelf
- Mirror
- Ashtray,two hats and coat hooks
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- Desk lamp
- Curtain rail and fire retardant cuitains over windows and bunk
- 2 X 220V AC power points
- One small 100 Itr refrigerator
- Attached toilet
3.10 TOILETS AND WASHBASING(FOR ATTACHED
ACBINS)
Each 1-berth and 2-berth cabin is to be provided with an attached toilet as
shown on the General Arrangement drawing.Each toilet/wash place is to
be fitted out as follows
- One vitreous China washbasin with hot and cold fresh water
supply and spring loaded taps
- One Europen type vitreous China W.C.pedestal,flushing valve,seat
and trigger-type washing hose
- One toilet cabinet over washbasin,with mirror front light over,and
shaving socket
- One soap holder near wash basin
- Individual tumbler holder and tooth brush rack for each person
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- One toilet roll holder
- One shower recess with hot and cold fresh water supply through
mixing valve,soap receptacle,hand-grip
- One shower cuitain and rail
- One towel rail and one towel hook for each person
3.11 GALLEY
One galley is arranged in the deckhouse and is to be well equipped to
modem standards.
Panelling in the galley to be of stainless steel,satin finish,Galley shall
have its own AHU supply trunk and exhaust according to rules
The egalley is to be equipped with adequate equipment to care for all on
board and at least 150 persons being served at atime
The equipment general to be USA standard and shall be included in the
galley,but not be limited to be following
- Three off electric cooking ranges each having 6 hot plates and
owen,with exhaust hood and filter
- Two stainless steel double sinks complete with hot and cold water
supply
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- Two electric deep fat fryer
- One electric griddle and one tilting pan
- One combined oven/steamer & one electric baking oven
- Two Mixers,fixed mounted commercail type complete with
stainless steel bowl and accessories
- One vegetable cutter,one meat silcer one mincer and one potato
peeler
- One food mixer and one bread slicer
- Two 500L refigerators stainless steel with glass doors large
commercial type
- Two dish washing units and drying racks
- Two 19 Itr Rice cookers-Stainless steel commercial units
- Adequate number of stainless steel tables,cupboards shelves and
plate racks,all over the galley
- Two(2) 500kg/hr waste food disposer with necessary flushing and
discharge piping according to MARPOL requirement
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3.12 MESSROOM
The total seating capacity in the mess rooms shall be capable of
accommodatinf 150-persons.
The mess room is to be fitted out with good quality fumiture and fitting
and with all modem amenties. he mess room to have two entrance/exit for
safrty reasons.
Adequate number of dining tables with receptacles for condiment and
sauce bottles at their centre line.
Out-fitting to include the following items in the mess room,but not
limited to :
- One off electric coffee urn,double tank commercial type
- One off twin-tank drink dispenser
- One off hot water dispenser1
- Two off electric toaster(4 solts type )
- One off ice making machine(min capacity 50kg/24hrs )
- One off Cold water fountain
- One Refrigerator of 500L capacity
- Warm cabinet for snacks
- Food warmer(each food warmer capable of serving one sitting
without replenishment)
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- Sufficient side tables for plate and cuttlery storage,also for self
service of items mentioned above
3.13 FREEZER,CHILLER & PROVISION STORES
The freczer/chiller room is subdiveded into meat,fish and vegetable
rooms to be adequately sized for 300-persons.
The sides and deckhead insulation is to be of polyuethane foam,or
rockwool boards,of sufficient thickness and density to maintain the
following conditions in the rooms,with the refrigeration units running
intermittently:
Freezer Room minus 20 degreeC
Chiller Room minus 3 degreeC
wo air-cooled non-CFC R134a refrigeration units are to be supplied to
maintain the conditions described,one unit in service,and one unit on
standby.
Four roller unit coolers are to be provided for the rooms,two for each
unit.
The interior of the rooms is to be stainless steel ,with a deck of 50mm
thick cement covered with red quarry tiles,with sufficient gutters and
scuppers to efficiently drain the space.
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Three-tier staindless steel shelves are to be arranged around the
rooms,with wooden side battens.
Entrance to the freezer room and chiller room is via the provision store.
Doors to be 900mm wide,with openers on each side,light switches on
each side,and an alarm call button inside each room,Alarm is to be
connected to control room or duty space.
3.14 DRY PROVISION STORES
They are to be fitted out with the following and adequately sized for
300-person:
- 3tier aluminium sparred shelves,with storm battens
- Sparring on bulkheads at the back of the shelves
- Ceramic tiles laid on the floor
- Stainless steel rice containers
3.15 STORES-GENERAL
General stores are shown on the various levels of the accommodation,for
the storage of linen and cleaning aquipment.
Each store is to be fitted with three wth tier wooden shelves and storm
battens.
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3.16 PAINT STORE
A paint store with door lock,shelves and forced ex-proof extraction fan
shall be provided,water sprinkler to be installed.
3.17 WORKSHOPS
A) Fabrication & Welding(Main Deck Level)
The workshop shall be provided on main deck and equipped with
the following minimum items:
- Size shall be at least 15m X 4.5m X3.0m high
- Monoral with 5-ton lifting capacity
B)Machine Workshop(shall be provided below Main Deck) The
machine shop shall be equipped with the following equipment as a
minimum:
- Heavy Duty Tool storage,cupboards and shelving
- Steel work bench-3m long
3.18 LAUNDRY/DRYING ROOM
One central laundry room is to be arranged on main deck.. The
laundry/drying room is to be equipped with the following equipment ade
uately sized for 300-person:
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- 3Tumble Dryer
- 3 Washing machine
- 3 Stainless steel deep sink with hot and cold water supply
- Formica lined long sorting table
Type,size and quantity of these machinrs shall be large caoacity,heavy
duty commercial tyoe and shall be approved by the owner.
3.19 SICK BAY
One sick bay complete with sufficient berths and examination space,The
hospital shall have space for bringing in patient on strtcher.
Unobstrected access from deck is to be provided such that a stretcher can
be broutht into the hospital without hindrance.
A complete inventory of medical supplied is to be provided by the owner
The hospital is to be equipped as following:
- Minimun two(2)berths of the tubular metal constrcution with side
rails.One of the berth must be accessible from both sides
- 22.5cm thick spring mattresses
- Small side table locker with side batten top and reading light for
cach berth
- Consulatation/Examination couch with angle poise light
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- Medical locker fitted with poisons locker,restricted drugs
locker,shelves,slotted grating,drawers with lock
- One revolving chair with arm rests
- One lockable refrigerator(min 100 Itr)
- Desk with chair
- Foot operated cover-lid dustbin
- Strong lighting and Emergeney lighting,and minimum four electric
socker points
- One(1)attached toilet with bathtub
3.20 COMMON TOILET FOR 4-MAN CABINS
The layout is to be according to GA drawing anf to be fitted as follows:
- European type WC pedestal flushing valve,seats and trigger type
washing hose
- Shower recess with hot and cold water supply
- Wash basins with hot and cold water taps
- Toilet cabinets with mirrors
Ratio of toilets,showers and washbasins shall be 1 per every 6persons
utillzing a common toilet-shower area.
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3.21 OFFICES
These are two (2) offices dedicated for the use of oil company personnel
and contractoes working on the barge provided on main deck & B deck,
Size shall be 5m X 5m each.
The office is to be outfitted as follows at a minimum:
- Two (2) 1500mm X 750mm desk with lockable drawers and desk
light
- Two (2) swivel chairs
- Two (2) visitor chairs
- One (1) four drawer lockable filing cabinets
- One (1) shelf unit
- One (1) 100 Itr.Refrigerato
- Coffee maker and cupboard for crockery utensils
- Internal Telephone & PA control
- 4 X 220VAC_sockets
3.22 NAVIGATION/RADIO ROOM ANF BRIDGE CONTROL
ROOM
These rooms are to be fitted out with sufficient desktop space to
accommodate the equipment listed anf furniture suppficient for normal
operations in these spaces.Two chairs are for operator.
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Owner shall detemine which room each pieces of equipment in this
section shall be installed into.
The equipment supplied is to be as follows at a minimum:
1) HELICOPTER COMMUNICATIONS EQUIPMENT
The following radio equipment shall be installed:
- I set VHF AM Transceiver,transmit and receive simple complete
with fist microphone and operating on 131MHz and 130 MHz1 台
VHF AM
- I set Non0dircctinal Radio Beacon,100 wates RF output adjustable
and 4 programmable coding letter boards(operating frequency will
be advised when required). Beacon transmitter and coupler on 220
volts AC power supply wored from radio room with plug and
swithed socket outlet.
- Two (2) sets aviation portable radio complete with microphone
headset for Helicopter Landing Officers(HLO )
2) WALKIE TALKIE
Six(6) multi-channel walkie talkies with clip on
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microphone,spesker,spare batteries and charging unit.Unit shall be of
explosion intrinsically safe construction suitable for use in Zone 1
hazardous areas.
3) INTERCOM/PUBLIC ADDRESS SYSTEM
The vessel’s minimum of two ‘private talk’ lines talk back system shall be
installed shroughout the Barge with the main control at the radio control
room and chareterer’s rep.office. Minimum number of stations shall be:
- Mess room,galley,engine room with head set,Switchboard
Room,all offices,single and double cabins and hospital
- Main deck at following points:Each muster station,Walkway
across to platform and one outside the accommodation block
4) Remote control and instrumentation of mooring winches.(Owner
Furnished)
5) Tension readout and line indication for mooring winches(Owner
Furnished)
6) CCTV monitoring and displays for all mooring winches and other
locations to be defined by the owner up to 20 monitoring
points.Additionally,two under monitoring points for the stinger system
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shall be provided.
7)Echo Sounder for 200m working depth
8 ) Book rack containing tide tables,notice to mariners,sailing
directions,list of lights and other necessary nautical
publications,including latest Intermational code of signals
9) Flag locker with set of International signal flags and National
ensigns(yard)
10) Fog hom
11) Aldis signal lamp complete with battery in box
12) Anemometer for wind speed and direction
13) Barometer and Thermometer
14) One(1) set DGPS satellite navigator
15) Two(2) independently operated radars.Minimum range of 48NM
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with at least onr(1)radar to be of 3cm type complete with reflection
plotter facility.
16) One(1) gyro compass with at least (1) repeater complete with
azimuth mirror
17) One(1) magnetic compass
18) Radio Direction Finder-DELETED
19) Navigation Lighting System according to rules
- Navigation Light Indicator Board
- Sidelights
- Stem Lights
- (2)Anchor Lights-one mast,one stem
20) Radio communications equipment
- (2)sets VHF Radio with dual watch facility c/w all accessories
- One(1) set MF/HF radio telephone c/w all accessiores
- One(1)radar transponder(SART )
- (12)two-way hand held VHF radios
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- 1 X(EPIRB)
21)DC 24 Volt Emergency Light
As required to allow crew to move around barge at night safely if main
generator fails.
3.23 RECREATION ROOM
a) TV/VIDEO ROOM: The room to be provided with seating to
accommodate up to 50-persons complete with upholstered settee
and sideboards.42”Panel TV with Stero Surround system and
DVD player
b) RECREATION ROOM-OFFICERS:Recreation room at least
36m2.Containing seating,tables,bookcases,etc…
c) RECREATION ROOM-CREW:Recreation room at least
24m2.Containing seating,tables,bookcases,etc…
d) GYM: Owner to furnish workout equipment.
3.24 MAIN DECK
3.24.1 CLEAR DECK SPACE
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The main deck to be sheathed with(2)two hard wood of 75mm thick
layers each,and to be fully coated with coal tar or other owner approved
coatings system before laying down the wood.
3.25 HELIDECK
A helideck capable of the reception of a S.61N shall be provided.
It shall be defined as a high frequency landing helideck,of all welded
steel construction and be recatangular in shape.
In general the scantlings are to be to the classification societies
requirement,except where specifically strengthened for the loadings
specified,and welding of underdeck members to be double continuous.
The helideck shall be sufficiently large to contain a circle of suitable for
S.61N helicopter,It shall be fitted with the necessary lightings,escape
routes,fire fighting and safety equipment.
Helideck to be fitted with appropriate non-skid coating system.No
refuelling facilities shall be required.
3.26 PRAYER ROOM
Prayer room to be installed within accommodation space.Room to be
carpeted and aquipped with compass.
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3.27 CONFENCE ROOM
Conference room to be within the accommodation space.Room to be
suitable size to accommodate 20-persons.
3.28 STOREROOM-ELECTRONICS
Air-conditioned storeroom to be installed below the Main Deck
level.Room to have independent air conditioning machinery.Room shall
be appropriate insulated and have means for secured access.Room to be
equipped with appropriate shelving to store sensitive electric and
electronic spare,consumables and squipment.
3.29 STOREROOM-WELDING CONSUMABLES
De-humidified storeroom to be installed below the Main Deck
level.Room to have independent source of de-humidification.Room shall
be appropriate insulated and have means for secured access.Room to be
equipped with approproate shelving to store.welding consumables.
Section 4 Painting & CATHODIC PROTECTION
4.0 GENERAL
All steel surfaces are to be shot-blasted and primed prior to fabrication.
Steel surfaces to be free of grease, dust, etc prior to painting. The welding
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seams and butt, scars, etc are to be spot blasted or power brushed and
primed prior to application of finished coatings.
4.1 PAINT SCHEME
4.1.1 Pre-Treatment Primer
All blast-clean steels are to be coated with:
- 1 full coat of Epox Primer 25mic
4.1.2 External Hull below Waterline
- 1 full coat of coal Tar Epoxy 150mic
- 1 full coat of Sea Quantum Anti-Foulings 125mic
4.1.3 External Hull above Waterline
- 1 full coat of Epox Primer 75mic
- 1 full coat of modified Coal Tar Epoxy 125mic
4.1.4 External Main Deck (In way of Wood Sheathing)
- 1 full coat of Epox Primer 50mic
- 1 full coat of Coal Tar Epoxy (Black) 125mic
(exposed deck with wood smeath to be non-skid)
4.1.5 Superstructure (Interior )
- 1 full coat of Epox Primer 75mic
- 1 full coat of Zinc Chromate Primirate (yellow) 40mic
- 1 full coat of Alkyd Ename(white) 40mic
4.1.6 Superstructure Decks (External)
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- 1 full coat of Epoxy Primer(white) 50mic
- 1 full coat of red lead(dark red) 75mic
- 1 full coat of deck finishing (light red) 50mic
4.1.7 Exposed Internal Steelwork in Accommodation, Engine Room and
Others
- 1 full coat of Epoxy Primer 75mic
- 1 full coat of Zinc Chromate Primirate 40mic
- 1 full coat of Alkyd endercoat(white) 40mic
- 1 full coat of Alkyd endercoat(white) 40mic
4.1.8 Steelwork in Machinery Space up to Floor Level
- 1 full coat of phenolic risen base paint 25mic
- 1 full coat of phenolic risen base paint 25mic
4.1.9 Steelwork Behind Linings
- 1 full coat of Bituminous Paint (Black ) 150mic
4.1.10 Steelwork in WC & viod
- 1 full coat of Epoxy Primer 50mic
- 1 full coat of Coal Tar Epoxy (Brown) 125mic
- 1 full coat of Coal Tar Epoxy (black) 125mic
4.1.11Steelwork in Fuel Oil Tanks
- 1 full coat of Epoxy Primer 50mic
- 1 full coat of modified Coal Tar Epoxy 125
4.1.12 Steelwork in F.W. Tank/S.W Tanks
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- 1 full coat of Epoxy Primer 50mic
- 1 full coat of modified Coal Tar Epoxy 125
- 1 full coat of modified Coal Tar Epoxy 125
4.1.13 Helideck
- 1 full coat of Epoxy Primer 50mic
- 1 full coat of Epoxy Primer 100mic
- 1 full coat of Epoxy Primer 100mic
- 1 full coat of Prismatic Aluminium R/T Anti-skid 125mic
- 1 full coat of Epoxy Primer for marking only
4.2 CATHODIC PROTECTION
The external steel hull below the waterline and the sea water tanks are to
be protected against corrosion by means of sacrificial anodes. The
number and weight of the anodes to be such that protection is afforded
the vessel for a minimum of five (3) years.
Average currenty dencity of 12.5 MA/ m2 and %100 ballast radio
and %90 anode efficiency.
Additional active protection/impreesed current systemto be installed on
the exterior hull only.
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Section5 DECK MACHINERY&EQUIPMENT
5.0 Deck machinery and equipment
5.1 MOORING SYSTEM
The vessel shall be fitted out with a complete mooring system including
anchor winches, anchor lines, sheaves, fairleads, tension meters, pennant
lines, buoys and all necessary associated equipmen, It will have a
minimum of eight (8) point mooring with mooring system winches below
main deck in an enclosed area. Anchor wires shall not cross any part of
the clear deck space.
Owner furnished eqipment shall incalude fore double drum mooring
winched (about 6.5X4.5X4M)hadraulic power units. 8 duide sheaves with
tension metrers.local control station and remote control station.
Builder furnished equipment shall include the following items
appropriately sized for 52mm wire rope and 100 ton line pull:
- 8 fairleads
- 16 turning sheaves or a quantity sufficient to appropriately lead the
mooring wires to the faileads based upon the final position of the
winches .
- 8 bouys
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- Pendant lines
Builder shall install and connect the owner furnished mooring system.
Anchor wires shall not cross any part of the clear deck space.
5.1.1 ANCHORS
Mooring anchors of 12 tonnes Delta Flipper(pattern only and made in
China)type to be fitted.
The anchors are to be fitted with swivel shackles and wire.
5.1.2 MOORING WINCHES & WINCH CONTROLS
Builder to install 2 sets of Double Drum mooring winches in the Bow
section of the barge below the Main Deck Level in way of the living
quarters.Builder shall also all furnished control stations mechanical and
electrical power syatems necessary for the full functional operation of
these two sets of mooring winche.
Supplier shall deliver the complete 2 sets of the mooring Winch System
to the Builder’s Shipyard in China no later than 6-months after of
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contract.
Builder shall design and install all structural foundations,mechanical and
electrical interfaces for the all 4sets of Owner Furnished Mooring
Winches.The builder shall not be responsible for the installation and
commissioning of the 2 sets of winches located at the stem section of the
barge.
5.1.4 TENSION SHEAVES
Owner shall furnish 8 sets of Tension sheaves for installation into the
mooring system.Builder shall install the structural foundation and the
electrical cabling by the manufacturer for operation of these tension
sheaves.
5.1.5 FAIRLEADS(UNIVERSAL)
8 off universal fairleaders are to be supplied and installed by the Builder.
The fairleaders are to be deck mounted type and to be designed withstand
breaking strength of 52mm dia.wire rope with 90 degress wrap on sheave.
Builder is to fabricate base frame(blasted and painted)and to install after
proper line-up.
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5.1.6 WIRE ROPES
建 Builder shall furnish 8 sets 0f 52mm Wire Rope 1500m long
each.Builder shall only install 4-wire ropes onto the owner furnished
winches in the bow section of the barge.The other 4-sets of wire rope
shall be shipped loose.
5.2 TUGGER WINCH-TOWING BRIDLE
1X10T tugger winch to be installed at forward deck for the retrieval of
towing bridle and shall include the installation of an approproately sized
A-Frame with associated tackle to retrieve the bridle and fish plate.
5.3 TOWING GEAR
Towing bridle consisting of 2X2.16” dimeter X 60 ft lengh stud link
china toghter with SMIT brackets and fairleads.
The tugger winch to be applicable for bridle recovery.
Emergency towing bridle to be provided in accordance with requirements
of classification society.
5.4 MAIN CRANE(Owner supply) option
A fabricated main is to be fitted on the deckhouse top.Mast shall
incorporate seats for navigation equipment and communication
antenna,Safe access shall be fitted for possible access to seats.
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Guides and halyards to be fitted for the hoisting of flags and signals.
Location of the mast must be verified against helideck requirements to
ensure non-interference to helicopter’s approach 350T.
5.5 GANGWAY
Builder to supply a gangway 6ft in width and 60 feet in length.Gangway
shall be constructed of heavy duty pipe and final desgin to be approved
by the owner.
Guides and halyards to be fitted for the hoisting of flags and signals.
Location of the mast must be verified against helideck requirements to
ensure non-interference to helicopter’s approach.
5.6 GANGWAY
Builder to supply a gangway 6ft in width and 60 feet in length.Gangway
shall be constructed of heavy duty pipe and final desgin to be approved
by the owner.
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5.7 PIPELAY EQUIPMENT
All pipelay equipment shall be furnished by the owner,The Builder shall
be responsible to design the structural foundations for each piece of
equipment,design the mechanical and electrical systems interface into the
barge systems, and install both the structural,mechanical and electrical
systems to a point where the owner furnished equipment can be installed
at a later date and hooked up by the owner/Superior.Equipment shall be
arranged as follows and shall be approved by the owne.
Single joints are stored on the main deck,Single joins are transferred from
the storage area(or directly from the supply barge)by a deck crance onto a
longitudinal pipe roller system,with guide standchions,that feeds the pipe
into the beveling station,The pipe istransferred by means of transfer
devices to the beveling transverse conveyor.The beveling station prepares
the single joints with main line bevels,Bevel machines and bevel machine
lifting equipment shall be provided by owner,The beveling area is to be
covered by a shelter or under the accommodation module, Beveled pipes
are transferred by means of transfer devices to anther transeverse
conveyor system(Ready rack)where the bevels are preheated for purposes,
The pipe is then transferred by means of transfer devices to the line up
station.
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The joint is welded to the pipe string by means of 4 welding stations after
which it passes the first tensioner and a NDT station for check..Then via
aft tensioner the pipe passes the corrosion coationg/blasting station and
dope station and is fed overboard on the stinger.
The pipe is held with tension provided by two 60(mt) tensioners.
Abandoment and recovery of the pipeline shall be by means of a 150mt A
& R system located on the deck.
The pipe leaves the Vessel over a fixed stinger.Stinger will be handled by
a stinger adjuster system.The Stinger system will be furnished by the
owner.
5.7.1 FIRING LINE SHELTER - To be designed,fabricated and
installed by the builder
The firing line is fully covered and shall be sufficiently ventilated to
ensure that the weld fumes are vented away, but not to disturb the
welding.
False floors with heavy duty cover to be provided in the firing line.
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SECTION 6—SAFTY& NAVIGATION
6.1 FIRE PROTECTION & DETECTION
he design and selection of all materials/equipment to be such that
efficient fire and safety philosophy in accordance with good offshore fire
engineering practice is maintained.All equipment used are to be well
proven in service,and are to be compliance with the Pules of SOLAS
1974,all subsequent smendments and other such Regulations indicated in
this specification.
Full system is to be designed ,installed and commissioned by reputable
supplier.
6.1.1 FIRE DETECTION SYSTEM
This system is to comprose of smoke/heat detectors and manual
break-glass call points wired to the main control panel located in the
control room.Each of these components is to be wired back to its own
group indicator in the control unit and to be fitted with a monitored
resistor at the last detector to enable the continuity of the group wiring to
be monitored.
The system shall be capable of immediate operation at all times and no
cation of the crew shall be necessary to set it in operation.
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The detectors shall include means for giving a visual and audible alarm
signal automatically at one or more indicating units whenever any
detector comes into operation ,Such units shall give an indication of any
fire and its location in any space served by the system and shall be
centralised in the main fire control station which shall be so manned or
equipped as to ensure that any alarm from the system is immediately
received by a responsible member of the crew.Sunch alarm system shall
be constructed so as to indicate if any fault occurs in the system.
The system shall be operated by an abnormal air temperature, by an
abnormal concentration of smoke or by other factors that are an
indication of incipient fire in any one of the spaces to be protected,The
detection system shall not be used for any purpose other than fire
detection.
The detectors may be arranged to operate the alarm by the opening or
closing of contacts or by other appropriate methods,They shall be fitted in
an approproate posotion and shall be suitably protected against impact
and physical damage.They shall be suitable for use in a marine
atmosphere..They shall be placed in an open position clear of beams and
other objects likely to obstruct the flow of hot gases or smoke to the
sensitive element,Delectors operated by the closing of contralcts shall be
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of the sealed contact tyoe and the sircuit shall be continuously monitored
to indicate fault conditions.
At least one detector shall be installed in each enclosed space and there
shall be not less than one detector for each 37 sq m(400 sq ft) of enclosed
area .In large spaces the detectors shall be arranged in a regular pattem so
that no detector is more than 9 meters(30 ft) another detector or more
than 4.5m(15 ft) from a bulkhead.
There shall be not less than two sources of power supply for the electrical
equipment in the operation of the fire alarm and fire detection
system ,one of which shall be an emergency source,The supply shall be
provided by separate feeders reserved solely for that purpose.Such
feeders shall run to a change-over switch situated in the control station for
the fire detection system.
A list or plan shall be displayed adjacent to each indicating unit showing
the spaces covered Provision shall be made for testing the correct
operation of the detectors and the indicating units by supply means for
applying hot air or smoke ar detector positions.
Heat detectors based on fixed temperature and rate of rise operation will
be required in the following areas:
- all accommodation spaces
- store Rooms, Mess/Recreation Space,Offices,Control room.
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- Galley,laundry Linen & Drying Rooms.hospital,paint & other stores
Extended indicators fot the heat detectors are to be fitted in all rooms for
easy and quick location of the heat detector during activation.
The heat detectors are to operate in an ambient of 58 degress C except in
the galley of which 93 degress C heat detectors are to be fitted.
Smoke detectors of the ionisation chamber type are to be fitted, These
detectors must be able to detect the products of combustion in its early
stages of fire condition,The following areas are to have smoke detection::
- Machinery Rooms, Store,Workshop
Smoke detector in duct probes are also to be provided in all return air
handling unit ducts.
6.2 CO2 FLOODING SYSTEM CO2
The machinery room with disel and gas fired engines shall be provided
with a permanently installed CO2 fire protection system,to Class and
Regulating body requirements.
6.3 AUTOMATIC SPRINKLER SYSTEM
An autormatic water sprinkler system is to be installed in all
accommodation areas,including all cabins and paint store,Pressure tanks
and sprinkler pumps shall be installed.(Yard supply)
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6.4 GENERAL ALARM SYSTEM
All general alarm outputs are to be derived from the fire and gas control
unit.The devices/sounders are to be 150mm 24V DC polarised bells.
In the event of a fire detection,or activation of manual call points the
general alarm bells are to sound intermittently.
A continuous alarm bell sound is to indicate CO2’system discharged’,or
activation of the sprinkler system.For CO2’system discharged’ an
electronic sounder and a rotating beascon is also to be operated inside the
protected space.
Additional dry contacts are also to be provided within the fire control unit
to operate all required shutdown circuits,such as air handling
units,ventilation fans ,etc.
Manual breakable glass call points are to be fitted in all escape routes and
corridors ,in all machiney rooms and winch rooms ,in office and control
room,Access,staircase to helideck,and stores.
All firing of the fire detection system must be done in Fire Resistant
Cables approved to IEC331.
Deckhead mountiongs for fire detectors must be used in areas where the
detectors could likely be damaged mechanically due to nature of activities
carried out,e.g.machinery room ,etc.Call points used in machinery
room ,winch compartments,store and helideck should preferably be of the
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weatherproof type.
6.5 FIRE FIGHTING APPLIANCES(PORTABLE)
The following items, in addition to those covered elsewhere in this
specification,are required to be placed on board in a proper location,and
to satisfy the requirements of SOLAS and amendments thereof:
(a) All fire extinguishers shall be colour coded according to type with
colour hands to international Standards and shall have valid inspection
tags.
(b) Sufficient number of portable fire extinguishers to ensure that at least
one such extinguisher will be readily available for use in any part of
the accommodation or service spaces.
(c) At least two sets of firemen’s outfits stored so as to be easily
accessible and ready for use.The firemen’s outfit shall condidt of:
- Protective clothing of material to protect the skin from the heat
radiating from the fire and from burns and scalding by steam.The
outer surface shall be water-resistant.
- Boots and gloves of rubber or other electrically non-conducting
material.
- A rigid helmet(with protective mask)providing effective protection
against impact.
- An electric safety lamp (battery operated)of an approvel type with a
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minimum burning period of three hours.
- An axe
- A self-contained breathing apparatus of an approved type.
(d) Fireproof lifeline of sufficient length capable of being attached by
means of a snaphook to a harness of the apparatus or to a scparate belt
in order to prevent the breathing apparatus becoming detached when
the lifeline is operated.
At least two fire control plans on each deck permanently exhibited for
guidance of the crew.It should consist of general arrangement plan
showing clearly for each deck the control stations,particulars of the
fire shall be provided alarms,detecting systems,the fire extinguishing
appliances,means of escape from different compartments etc.etc.
6.6 FIRE MONITOR 火灾监测
Two(2)foam monitor shall be installed on the helideck.One (1)fire pump
of 227 m3/h(1000gpm)at 89m head(min)with independent sea chest shall
be installed in enginc room.Pump size and capacity shall be sufficient for
operation of the system.
6.7 LIFE SAVING APPLIANCE
Life saving equipment to be installed according to SOLAS 1974,1983
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amendment international laws and classification society requirement for
accommodation Barge.
The barge must be provided with 18X25 men liferafts to be placed on
each side of the barge(total 36 in number).Or as approved by the Flag
Administration.
Life jackets shall be 200% coverage of the total maximum onboard.Each
lifejacket is to be fitted with a whistle and a light powered by a water
activated battery.Each person shall be provided with a life jacket stowed
in his accommodation.Additional life jackets should be stowed at or near
the normal embarkation posotions,in a suitable dry stowage
position,unlocked and clearly marked,In addition,work vest of approved
make to be provided for all ship crew only(17 pcs)
At least 10 lifebuoys,stowed so that they can be quickly thrown
overboard in an emergency,Lifebuoys are to have self-igniting lights and
smoke signals attached at least one on each side with buoyant lifeline noe
less than 27.5 meters in length
A line throwing appliance of an approved type capable of carrying in line
not less than 230 metres(250 yards)with reasonable accuracy and shall
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include not less than four projectiles and four lines
A muster list showing special duties to be undertanken in the event of an
emergency shall be allocated to each member of the crew,It shall also
specify definite signals for calling all the crew to their liferaft and fire
stations and shall give full particulars of those signals.The muster list
shall be posted on doors in each of the cabins and at other strategic
locations of the accommodation
The Safety and Control plans are to be posted at all orominent parts of the
barge,including all alleyways
All liferafts,lifejackets and lifebuoys shall be fitted with retro-reflective
material
A Rescue boat with single arm davit according to SOLAS to be installed.
6.8 MUSTER AREA/EVACUATION STATIONS
There shall be an area marked on the main deck to act as a permanent
muster station to cater for the manimum numbeo of berths plus 40 day
visitors.There shall be clearly marked access lanes of manimum 0.9m
wide from muster area to evacuation stations.Evacuation stations should
have an marked area of at 2.5m wide running the length of the
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station.These areas shall be kept free of obstruction
SECTION 7 – MACHINERY
7.0 MACHINERY GENERAL
All machinery and equipment is to be manufacture and fitted in
accordance with Classification and Regulatory body requirements,and
where relevant Certificates are to be provided
Pumps motors and similar equipment are ro be standardised as for as
possoble with regards to make and type
he builder shall provide all compoments and ancillary equipment
necessary to make the barge function in a safe and competent manner
Care is to be taken that codes and standards relating to the barge’s area of
operation be adopted , and always in consulation with the Owners
All items not conforming will be rejected and replaced with suitable and
approved components
Engine room shall be fitted with necessary work benches and lifting
beams and device to facilitate maintenance work
All exposed equipment and parts posing any hazard to personnel shall be
fitted with guard and/or railing on site
7.1 MAIN GENERATING SETS
The Five(5) generating sets of 590 kW each(480 VOLT/3PH/60HZ) shall
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be skid mounted,engine driven .All Five gensets are to be able to run in
parallel
The driving engines shall be four stroke ,marine diesel engine,complete
with electric starting system.The engine to be heat-exchanger cooled with
sea water
System: 480 Volts 60 Hertz 3 Phase 3 Wire.A.C.drio
proof,self-ventilating self exciting generator.
Rating: 590kW. The generator shall have sufficient capacity
to start the largest motor when running on normal base
load.
Construction: Minimum of class ‘F’ insulation
Temperature Rose limited to Class ‘B’ insulation
Salient pole construction with star connection
Single phase space heaters shall be provided.
Phase Rotation shall be R.S.T
The equipment shall be complete with all auxiliary components to from a
complete generating packing and shall include,but not be limited to the
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following
- Synchronising Equipment(automatic and manual)
- Voltage regulation
- Voltage adjust rheostat
- Short eircuit suatain equipment(see note below)
- Load sharing govenmor(Woodward type)
Class F insulation shall be used for the rotot and stator and both shall be
further protected with 100% epoxy impregnation and an overall coating
of resilient insulation on the end coils,The generator shall incorporate
reactive drop compensation for parallel operation and shall also include a
re-settable protective device for the exciter/regulator to provide against
exended low power factor loads
The altemator sets shall be identical(pole pitch),to minimise circulating
current and the percentage of circulating currents shall be stated
Seawater cooling system for engine is to be provided
7.2 EMERGENCY GENERATOR SET
One (1) diesel generating set of 99 KW is to be provided and to be
installed in the emergency generator room on the main deck level
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It is to be stared automatically in case of failure of the main generators,
and is to be used strictly for supplying power to essential services during
an emergency.
The emergency generator is to be battery/air started and radiator cooled
Inddependent one diesel generator set of 72KW shall be provided to
supply electrical power directly to the Main Crane
7.3 PIPING AND VALVES
All pipes are to be arranged according to good marine practice with
sufficient bore and thickness for the purpose intended.They are to be well
clamped to the ship’s sturcture and to have minimum number of
bends .Approved type of bulkhead fitting is to be used where piping
penetrates a watertight or oil tight bulkhead ,deck or tank top
Expansion bends are to be fitted where necessary to avoid damage due to
expansion or movement of the structure.Mud boxes,strainers,filters and
valves are to be arranged accodring to the classification’s requirements.
All pipes of 15mm and over to be butt welded with flanged
connections .Those below 15mm are to screwed with unions or similar
Bilge,scupper,fresh water,cargo lines and fire lines to be hot-dipped
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galvanized after fabrication
In general, Piping is designed fluid flow speed under 3.5m/sec
Hinged flaps are to be provided to cover value handles under steel
chequered floor plates.All valves to be labeled by engraved brass plates
screwed to handles
Before starting up pf any system ,coarse gauze,slave filters should be
fitted on the suction side of the pumps.These should be inspected and
cleaned prior to dock trials and only removed on delivery.No pipe breaks
over distributton panels and no fluid pipes are allowed above switchboard
All valves are to be positioned so that can be readily reached
All pumps to have isolating valves at suction and discharge.
Sea main to be sized for manimum water speed of 2.5 meter/sec with
main machinery and pumps working Elsewhere water speed is to be
limited to manimum 3.5 meter/sec/Sea water valves shall be in general of
sea water resistant or bronze material
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Piping shall be led as directly as possible with minimum number of bends
and with sufficient flanged joints to provide for
removal.inspection ,servicing and replacement of piping and adjacent
equipment without structural disturbance.Cutting of ship’s structure is to
be avoided if possible but if found necessary compensation is to be
provided
Pipe penetration through W.T/O.T. bulkhead ,shell ,decks, and tank tops
to be of an approved type
Expansion bellows(to withstand vacuum)of approved make is to be fitted
where necessary to prevent damage due to thermal expansion for working
of the structure.Pipe connections to reciprocating machinery to be
effected by an approved type flexible conncctions located as close to the
machine as possible,Pipe is to ba supported adjacent to the flexible
connection
Pipe routes to be clear of walkways,access routes,withdrawal
spaces,doors,manhole and hatches.Routes to be chosen to avoid places
where mechanical damage may be sustained.Where this cannot be
avoided pipes are to be suitably protected.Where condensation is likely to
from on pipe exterior,pipes are not run over unprotected electrical
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equipment.All pipes are to be cleaned and to be free of welding slag
before installation .System shall be flushed after installation.All fuel
oil,Lube oil and hydraulic oil piping to be cleaned by pickling prior to
installation.All lubricating oil piping is to be flushed with system oil after
installation.
All vaves are to be of an approved type
7.31 REMOTE CONTROL BALLAST VALVES AND TANK
LEVEL INDICATING SYSTEM
The vessel shall be fitted with a Remote Control Ballast Valve
system,Electric Actuators shall be installed on all valves leading to
tanks,manifolds,pump suction,pump discharge,cross-over valves and
sea-chest valves
A remote control station shall be installed in the engine control room to
house all valve controls and pump Run/Stop controls
Additionally the remote control console shall also be fitted for monitoring
tank level of all Ballast.Potable water and Fuel tanks from this console.
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(4)Draft sensors and indicator shall also be fitted on this console
7.4 PIPING MATERIALS
The materials for the various piping systems are to be in accordance with
the following tables:
PIPE SYSTEM
MATERIALS
Sea main Auxiliary/Generator
galvanised mild steel Sch.80
Raw-water S.W .lines
galvanised mild steel Sch.80
Bilge Lines
galvanised mild steel Sch.80
Ballast Lines
galvanised mild steel Sch.80
Domesic F.W.lines(cold)
galvanised mild steel Sch.80
Domesic F.W.lines(hot)
Copper
Domesic S.W.lines
Pre-Galvanised mild steel sch.80
Fuel oil piping Black
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mild steel Sch.80
Exhaust gas piping Black
mild steel Sch.40
Compressed Air
Galvanized steel Sch.80
Sch.80
All pipes are to be seamless
All hot water pipes and compressor discharge pipes are to be efficiently
lagged with cloth(asbestos free)。
7.5 BALLAST SYSTEM
Ballast system is to be served by two(2)self-priming centrifugal ballast
pump each of min .capacity of 500 m3/hr at 30M head.pumps to be direct
coupled to 480V,3-phase,60HZ electric motors.
Pump is to have bronze body,bronze impeller and stainless steel shaft
with mechanical seal and is to be fitted with compound and pressure
gauges.
Individual filling/suction valve for each tank to be located in engine
room.Suitable spectacle flanges to be provided in system for changing
over from ballast to drill water and vice versa,where relevant
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7.51 BILGE SYSTEM
Independent Bilge system shall be provide by the builder,Size and
capacity is 30m3/hr ,and liftng is 25m
Individual suctions are to be arranged from each compartent and void
space.Adequate number of bilge wells is to be arranged in way of tank
top and other relevant areas for efficient bilge suctions.Pipes are to be
schedule 80 hot dipped galvanised seamless
7.6 FIRE & GENERAL SERVICE SYSTEM
Two (2) Fire & G.S.pumps of min.capacity of 130 m3/hr with 80m head
shall be provided.Both pumps shall be able to supply concurrently for fire
fighting,The Ballast pump and GS pumps are to be crossconnected so that
one acts as a stand by to the other.The GS pump shall also act as stanfby
bigle pump
The barge shall be provided with the following fire-fighting
system,minimum to SOLAS
(a) The pumps should be far enough apart in separate compartments to
ensure that a fire in any one compartment cannot put all two pimps
out of action at one time.
(b) A fire main ,the diameter of which shall be sufficient for the
effective distribution of the maximum required discharge from all
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fire pumps operating simultaneously
(c) The number of fire hoses to be provided on deck each complete
with couplings and nozzles shall be one for each 30 meters(100 ft)
length of rhe barge and one spare.In no case shall the number be
less than five in all on deck at any time.All hose nozzles to be jet
and spray dual type
Additional hoses(12 in number)shall be provided to reach platform
helideck level to provide water screening during hot working
(d) The number and position of hydrants shall be such that at least two
jets of water not emanating from the same hydarant,one of which
shall be from a single length of hose,may reach any part of the
barge normally accessible to the crew.
(e) At least one intermational shore connection-Facilities shall be
available enabling such a connection to be used on either side of
the barge.
(f) The fire pumps are to draw directly from a separate fire pump
sea-chest and deliver to the hydrants on board via fire ring main
having suitable isolation and branch/root valves.
The fire fighting capability is to be in accordance with SOLAS
1974 with all subsequent amendments ,and is to be read in
conjunction with the section relating to fire protection in section I
of the spectfications
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(g) In addition to SOLAS,the vessel shall provide for condtruction fire
water,min.2 double 21/2” outlets on both port and starboard and
stem of the barge
(h) If a fire in any one compartment could put all the fire pumps out of
action,there must be an altemative means of providing water for
fire fighting ,This alternative means shall be a independently
driven fixed pump capable of supplying two fire hoses at 10 bar
(i) At least install two foam monitors to protecting helicopter deck.the
pump aslo suppliees to the two foam monitors and manifolds is
capacity 227m3/h, and lifting is 89m.
7.7FUEL OIL SYSTEM
Two (2)fuel oil transfer horizontal gear pump of min capacaity 45m3/h at
45m shallbeinstalled.
The pump are direct coupled to 480 V, 3 phase,60 Hz electric motors,The
pump are to havecast iron body, alloy steel shaft and motor/gears
adjustable relief valve and compoound pressure gauges.
Adequate number of daily service tanks are to be provided for all prime
movers,andtocompartment containing the diesel engine.
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All daily service tanks are to be provided with low level alarms,overflow
pipesbacktostarage tanks and other addional instrumentation as stated
elsewhere.
Oil fuel filling/discharge connections of 75 mm bore to be fitted port and
starboard on main deck .Each connection id to be fitted with valve and
quick coupling. The transfer pump is to draw from storage tanks and to
deliver deck connection.
There shall be a fuel line to supply fuel to the crane diesel engine.
Fuel oil pipes are to be black Schedule 80 seamless pipes.Tamper-proof
flow meter with calibration certificate shall be installed for measuing
bunkering on loading and diacharge lines.
7.8 DOMESTIC POTABLE FRESH WATER SYSTEM(HOT
AND COLD)
For cold fresh water system, two antomatic domestic fresh water pressure
sets aretobeprovided. Each set is to be comprise of:
- Onepressure tanks,each with min capacity 2000L, with felief
valve,pressure swith,pressure gauge.etc.
- Two electrical F.W. pump,min capacity 45m3/h at 35m head.
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For hot fresh water system,min two electrically hested vertical storage
calorifierseach of 1500L capacity stainless steel inner tanks with
thenmostatically controlled heating elements,inlet and outlet valves,
relief valve,drain valve,thermometer and all necessary safty controls to
be fitted.For circulation of hot watrer,Two hot water pumps, having a
min capacity 30m3/h at 35m head is aslo to be provided.
Domestic fresh water to be drawn from storage tanks and discharged to
system byhadrophore.
Cold water to be supplied to wash basins, showers, galley,engine
room,dark room,WC.etc.
Hot water to be supplied to galley, showers and basines.
Cold fresh water piping to be Schedule 80 steel tube with welded slip-on
flanges.Piping to be hot dip galvanised after fabrication.Vavles to be
bronze
System to be tested to 1.5 times working pressure when completed.
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7.9 FRESH WATER TRANSFER PUMP
Two(2) electrically driven fresh water transfer pump,.having a
min ,capacity of 120 m3/hr at 35m head are to be provided
The transfer pump is to have an independent suction line common
manifold with branch lines to all F.W.tanks and the discharge must be
capable of being led to all tanks and to the main deck port and starboard
A cross-over connection is to be provided from the pressure sets to the
transfer pump discharge so that the pressure pumps may be used to
transfer fresh water in the event that the transfer pump is out of order.
The discharge outlets on the main deck are to be fitted with 5”butterfly
valves and 5”CAMLOCK fittings.
7.10 FUEL OIL PURIFIER
One(1)manual clearing control partial dischargr type fuel oil puridier to
be installed with an min ,output of 1500 litres per hour each unit
7.11 DOMESTIC SALT WATER SYSTEM
For domestic salt water system ,two automatic sanitary saltwater pressure
sets are to be provided,Each set is to comprise of:
- Two (2) pressure tanks.min.capacity 2000litres,complete with relief
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valve,pressure switch.pressure gauge etc
- Two (2) electric S.W. pump,min .capacity 30M3/hr at 35M head.
-
Sanitary hydrophore sets are to draw salt water from sea main and supply
sanitary water to water closets and galley
Sanitary salt water piping to be Schedule 80 steel tube with slip-on
flanges.Piping to be hot dip galvanised.Valves are to be of bronze or cast
steel
System to be tested to 1.5 times working pressure when complete
7.12 SEWAGE TREATMENT PLANT
Minimum_two(2) IMO OR USCG approved sewage treatment plans with
total capacity at_least equal to 300-man
7.13 OILY BILGE SYSTEM
One oily bilge water separator is to be provided to remove oil from the
bilge water of machinery spaces before discharging such water
overboard.Capacity of the separator is to be approximately 3m3/hr
The separator is to meet the requirements of IMO and relevant Authority
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and to have alarms and auto shutdowns fitted to the cleam water
overboard discharge to prevent the accidental of oily water
The oil-removed from the water is to be stored in a dirty oil tank of
approximately 40 tons capacity.Sump drains from the main generators is
also to be led to this tank for storage prior to discharge.One electric pump
is to be provided to discharge the oil from this holding tank to a suitable
outlet on the amin deck
One dirty oil pump of min.3m3/hr X 30m head to be fitted for dirty oil
transfer and discharge.
7.14 HEATING/VENTILATION/AIR CONDITIONING
For air conditioning of the barge,the plant has been split to serve
accommidation and living spaces,service spaces and control room
The design of the plant is to suit the layout as shown on the General
Arrangement drawings and supplied by a reputable contractor with
experience of designing such systems
The system complies with the requirements of SOLAS(latest
amendments),and is designed to suit the conditions stated
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7.15 DESIGN CONDITIONS
The capacity of the cooling installation for the heating ,ventilation and air
conditioning system is based on the following conditions
Outside plue 35 degress and 95% RH
Inside plue 23 degrees and 60%RH
Raw Cooling
Water temperature plus 32 degrees C
Power supply 480V,3 phase,60HZ
Environment Marine Safe
Living spaces,sheelhouse,engine control room and all the public spaces in
the accommodation area etc.shall be fully heated & air conditioned and
including cooling for the laundry,dark room,galley,change room provision
store,hospital,washplace,paint store,linen store and control room ,etc
Paint store & hospital shall have its own exhaust air system.not connected
to the main duct
The plant is to be divided into several disitinct areas as appropriate to the
accommodation layout
Return Air
Exhaust Returm Air is drawn from mess rooms and passageways through
the Exhaust Units with low noise insulation material and travel through
the Un-insulated Air Pipe System to the mixing chamber on the Central
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air handling Uint
Refrigerating Plant for Air Conditioning
The condensing unit comprises a conpressor and a marine condenser
which are built toghter complete with motor and V-belt drive,dryer and
internal piping.The cooling medium shall be R-134a or other cooling
medium approved for use by the owner.
The cooling plant shall consist of two (2) compressor with Cu-Ni
condenser c/w S.W. cooling pump.min.capacity about 180 m3/hr @25m
head.One unit sea water pump act as 100% standby in the event of failure
of the other unit.one unit will service the whole vessel air-conditioning.
For operation of the plant,the delivery including a main starter panel with
electric remote/manual controls of the condensing unit and the air
handling unit.
The seawater cooled condenser is manufactured with cu/ni pipes and
condenser covers of bronze
Washplace and Service Spaces etc
For Provision Store and Laundry the air is exhaust nozzles and travel
through the un-insulated air pipe system to the suction box.The pressure
side of the fan is connected so that the total exhausted air volume is
discharge into the open.The branch for the Sickbay Exhaust is equipped
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with a non-return flap
The Exhaust nozzles type or equivalent are made from pressed steel.and a
throttling disc for volume
The air handling units shall be located in the accommodation block being
served and arrange the marine type rubber mounting for handling unit
seating.
The minimum air quantity of 15 cu m/hr per persom is to be supplied to
the cabins,with air supply changes to be minimum 10changes per hour for
cabins
Seawater cooling supply shall be provided by electrically driven seawater
circulating pump.A separate S.W pump shall be provided for each unit
with suitable crossover connections to allow eithwe of the pumps to serve
either of the air conditioning units
In addition,provision to be made for emergency circulation of the air
conditioning condensers from the general service pump/
Fire Damper
Fusible fire dampers and fire dampers with indicators are to be provided
as necessary.Damper are to close automatically in the event of fan
failure,fire or shut down.Dampers are to be fitted with manual over-ride
facilities.
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Adjustable dampers are to be installed to duct work as necessary for
balancing
All penetration pieces required for the installation work are to be
procided,and to be of an approved type so as not to affect the integrity of
the fire divisions of the vessel.After completion of the installation and
construction ,the system is to be tested and air balanced
7.16 REFRIGERATION SYSTEM-FREEZER & CHILLER
ROOMS
Shall be appropriately sized for 300-persons.
The built-in walk-in stainless steel chiller and freezer shall be furnished
and installed as shown on the drawings and approved by owner.The two
(2) complete sets compressors and condenser units c/w S.W cooling
pump and electric remote/manual controls panel shall be fitted in the
engine room with easy accessibility.
Each compartment shall be accessible through a proper stainless steel
insulated door with 150mm minimum polyurethane to preserve
temperature.Each compartment shall be thermosatically controlled.in
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addition each compartement shall be fitted with a drain for excess water
and condensation
Provision for latching access door from inside will be provided.Extra
precaution shall be taken to insure that a vapor seal be maintained;The
chiller and freezer will be fitted with deep shelves all around for storing
food.with sea rails.The compressors with water cooled copper nickel
condensers, The compressor sets will be identical,with one serving and
another unit for standby unit,fitted with proper sealed refrigeration valves
so either unit can be isolated for service.The operationg unit will service
both the chiller and freezer fan/evaporator units,with
pressure/temperature controlled expansion valves,tied to each
thermostat,controlling the compressor operation,and required flow of
freon to each unit.The system to be designed in accordance with marine
type standard system and normal marine operating freon R134a and
system to be approved by owner.Proper valued dryers,with bypass,and
moisture indicating sight glasses will be fitted,All compressor motors will
be TEFC enclosures,belt driven
A remote temperature gauge complete with alarm bell system will be
provided outside the hiller/freezer .Suction & pressure
gauges(permanent0will be provided for each compressor.The bottom of
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the walk in boxes will be finished in red ceramic tile,with wood grating
over,the sides and overhead will be stainless steel sheet metal over
non-flammable ,oil resistant type of insulation,Shelves will be stainless
steel frames with stainless steel bottoms and raise three and four tiers
high and minimum of 300mm above floor level
7.17 AIR COMPRESSORS
Two(2) electeic motor driven high pressure air compressor 500 cfm @ 10
bar shall be supplied ,The air compressors shall deliver air via two air
receivers each of 2m3 capacity with dryer to deck outlets
7.18 FRESH WATER MAKER
Minimum number of two(2) water maker of reverse osmosis type to be
installed inside pump room,Total Capacity shall be equal to 50-tons per
day.UV-sterilizer shall be installed at the appropriate fresh water pipes
7.19 EYEWASH STATION
One eyewash station each to be provided on/in:
- Main Deck
- Paint Store
- Engine Room
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7.20 EMERGENCY FIRE PUMP
One(1) electrical emergency fire pump min.capacity 60m3/h @65m head
according to SOLAS to be installed below deck
7.21 COMPACTOR AND INCINERATOR
Equipment shall be furnished by the owner and installed by the
builder,Installation is limited to space availability and is considered to be
without modification to the existing barge arrangment
SECTION 8 ELECTRICAL
8.1 ELECTRICAL
his part of the specification covers the electrical requirement of rhe
barge,and is to be read in conjunction with the machinery spectfications
All electrical machines,equipment and apparatus delivered to the shipyard
and awaiting installation will be kept in a suitably ventilated store until
required
All electrical motors are to be standardised as far as possible for make
and type
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8.2 MATERIALS,EQUIPMENT & ENVIROMENTAL
CONDITIONS
All materials and equipment shall be fully suitable for and fully in
accordance with ,the standards and codes referred to
Material and construction must be suitable for exposure to the climatic
conditions of offshore. The atmosphere is highly salt laden,and this
should be taken into consideration with regard to a high corrosive risk
factor.Temperature range is 18 degrees C and 34 degrees C manimum
with 100% relative humidity
8.2.1 CABLES
High conductivity,standed copprt conductors,PVC/CSP or PVC/PCP
insulated cables are to be used.
In spaces where cables may be subjected to machanical damage these
cables are to be armoured or suitably protected by trunk or
conduit.Wherever possible,cables are to be of the multi-core type.At gas
tight,oil tight and wateright deck/bulkhead penetrations,glands or
multi-cable transits are to be used
Welding cables are to be multi-stranded,tough rubber sheathed.
Cables are to be conform to the standards indicated ,or to an equivalent
approved standard。
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In general cables shall have flame retardant outer sheath,with oxygen
index of not less than 30 and be type tested and certified for reduced
propagation in accordance with IEC 332
All power and control cable conductors shall be stranded copper
conforming to BS 4109 and with a minimum cross-sectional area of
2.5mm sq.
Where armouring/screening of single core cables is required or specified
it shall be magnetic.
Colour coding shall be in accordance with IEE Regulations(Section 524)
8.2.2 JUNCTION BOXES
The boxes shall have degree of protection of at least IP.55 in accordance
with IEC 144,and shall conform to IEC 92.1
Junction box identification lables shall be made of 316 stainless steel and
securely fixed using stainless steel screws .Fixation of the labels shall in
no way affect the certification of the junction boxes for use in a
hazardous area
Large terminal boxes located outside and exposed to the elements shall be
fitted with suitably rated anticondensation heater.The complete unit shall
be suitable for the appropriate hazardous location and protected against
driving rain by the installation of a full rain canopy above the box.
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Cables shall enter junction boxes via their bottom and sides only.Top
entry cables will not be allowed in outside locations.。
Steel wire braided cables,type 5 and 6 defined in this specification,shall
be terminated into poly carbonate enclosures,via suitable glands
The earth tracer conductor shall be taken into the box and securely
terminated.Earth continuity shall be ensured between the earth stud in the
junction box,the cable braid and the main earth system..
8.2.3 CABLE TRAYS
Cables on ladders and trays shall be grouped by voltage class and
singal/service type
Separate cable ladders/trays shall be installed for circuits within each of
the following cable groups
a) Power cables with associated control
b) Intrinscially safe circuits.Instruments cables up to 220V AC order.
c) Analogue signals and control loops.Vital circuits
fire,gas,telecoms,shutdown.
The number of cables installed in cable tray or ladder shall be such that
the space factor does not execeed 60%。
8.3 ELECTRICAL SYSTEM OF SUPPLY
a) 480V 3 phaes 60 cycle for power requirements and equipment
considered permanent fixtures.
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b) 220V single phase 60 cycle supply via single phses transformers for
supplying power to nacigational lights and aids,general lighting and
domestic appliances
c) 480/220 volts emergency power supply,to be used for supplying
during emergency conditions to navigation aids,lights ,emergency
lighting ,alarms and other essential users
d) 24V D.C navigational aids,radio and instrumentation
8.4 SHORT CIRCUIT CALCULATION
The Builder shall ensure ,by appropriate calculations,that all
swithboards,switchgear,motor control centers and cables are adequately
rated for the maximum anticipated fault current conditions.
The calculations shall be based upon the maximum number of generators
and motors that can simulaneously contribule to the system fault
level,that is,the “worst case”conditions
These calculations,toghter with switchboard test certificates and
switchgear rating date shall be submitted to the class for approval prior to
switchboard construction
8.5 ELECTRIC POWER SOURCE
Normal A.C. power supply is to be seven(7) in number main generating
sets.Each main alternator to be 480 volt,3 ph,60HZ Alternators to be
salient pole synchronous brushless type and are to be of enclosed
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ventilated drip proof construction with Class F insulation and shall be
further protected with 100% epoxy impregnation and generally to
Classification requirements fitted with anti condensing heaters,Six
alternators are to be operated in parallel normally and seventh set is to act
as standby.However,all seven(5)main altemators are to be able to operate
in parallel concurrentl
Emergency supply is to be by means of one emergency generator
8.5.1 MAIN SWITCHBOARD
Main switchboard to be dead front type,to be installed in air conditioning
control toom(at engine room upper level).The main switvhboard shall be
sized with 10% additional space for future expansion.
To be of steel construction with removable cover plates standed enamel
finish,flush mounted instrements,Insulated handrails to be arranged along
front side
Followinf instruments to be fitted for each generator and to be mounted in
the control panel
- Synchronising Equipment
- Frequency meter
- Voltmeter
- Kilowatt meter
- Ammeter
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- Synchroscope
- Voltage Regulator
- Adjusting Rheostats
- Short Cicuit Sustaining Equipment
- Load Sharing Governor(Woodward Type)(Woodward )
- Start/Stop Buttons
Earth testing fecility to be provided for both the 480 and 220 volt busbars
which shall be split(divided)into at least two sections
Earth generator is to be protected by moulded case circuit breaker
suitable rated for overload,short circuit protection and selectivity.
Sychroscope,dark lamps and necessary switches to be fitted for
paralleling of generators
The switchboard is to be arranged automatic synchronising with manual
over-ride
All outgoing circuits to be fed by approved moulded case circuit breakers
Construction of the switch board to be such that it is well ventilated,care
being taken to avoid hot spots.
All necessary safety features,such as reverse power relays,over and under
frequency protection,over and under voltage protection,over current
protection etc.are to be provided.
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8.6 ELECTRIC SHORE SUPPLY
Shore supply facility is to be incorporated in the main switchboard
approximately 600KW capacity 480 volts 3 ph 60HZ supply.The shore
supply terminals at the main switchboard are to be directly connected to
the shore supply sonnection box mounted in a suitable position and of a
weather proof condtruction.Facilities at the connection box are to be
provided for checking the phase sequence of the incoming shore supply.
8.7 ELECTRIC MOTORS
Motors to be of squirrel cage type and all electric motors shall be
designed,fabricated,and fully tested in accordance with the standards
listed and additionally shall conform to IEC 92(Electrical installations in
ships).wirh degree of protection IP55.
All motors shall normally be standard marine type except where installed
in hazardous locations.In general,motors which are below 15KW shall be
provided with direct-online starter.Motors rated below 50KW with
star-delta starter.Above 50KW,appropriate soft starters or auto-starter
shall be provided.
All motors shall be rated to operate on a 480V,3-phase 3wire,60HZ
electrical supply,or 220V single phase.60HZ as defined by motor size as
stated below.
All fractional horsepower motors shall either be spot wound for a
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480V ,3-phase,60HZ –supply or 220V single phase 60HZ.
Anti-condensation heater leads are to terminate into a separate terminal
box adjacent to the main terminal box.
All motors and alternators shall have Class F insulation but with Class B
temperature rise only。
All motors shall have metric frame sizes in accordance with IEC 72.
All motors and associated terminal boxes shall have degree of protection
of at least IP.55
Generally where motors have local control,the stop switch/buttom should
be of the stay put/locking type.
8.8 LIGHTING
All lighting throughout the barge,unless otherwise stated is is to be
flourescent type standardising on twin tube fittings wherever
possible.Fittings to comply with Classification.The type and enclousures
for light fittings and switches to be determined by the location of the
installation,Lighting inside accommodation to the flush mounted.
Lighting fittings in engine room and in areas subject to vibration to be
resiliently mounted,Accommodation fittings to be suitable for the
dector.Dector/bulkhead,cold room ,store and emergency lighting is to be
incandescent
Generally minimum illumination levels to be as per IES codes of practise
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and not to be less than the following:
Machinery space,stores : 160 Lux
Gallery : 110Lux
Cabins,mess and wash places : 75Lux
Passage ways : 50Lux
Throughout the vessel in machinery areas and in way of
accommodation,flourescent emergency lights with built-in chargers are to
be provided,The charger is to be able to supply power for at least 3 hours
in case of main power failure.
Emergency lights are generally to be located in all passage
ways,stairways,galley,mess,recreation room,control tower,office and
other common spaces in all strategic machinery areas.
Emergency lighting shall comprise a proportion of narmal
fittings,supplied from the standby generator set. In addition,separate
battery powered rechargeable fittings which illuminate on loss of normal
mains supply ,shall be provided at all exits,Emergency exit lightboxes
with arrow sign shall be placed on all alleyway with an interval of
5-6m.The battery back-up power for emergency and escape lighting shall
be for a minimum period of 4 hours.
A minimum of 24V 500- 1000W Metal Halide floodlights are to be
supplied and installed in work deck,winch areas,etc:
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Forecastle mooring area : 4sets
AFT mooring area : 4sets
Work area on main deck : At least 8sets
The number of floodlights in other areas to be sufficient to maintain
200LUX over the working deck
Four off 2000W search lights to be installed on deckhouse
8.9 NAVIGATIONAL AND OPERATIONAL LIGHTS
Navigational lights to comply with International Regulation for
Preventing Collision at Sea(latest edition). Navigation lights to be
contrilled from the nacigaion panel in control room.Inadicator lamps and
buzzer.are to be fitted .Lights are to be two tier type 110 V A.C.primaiy
24 V D.C. secondary,Main 110V A.C.supply to be taken from two
sources via change-over switch.
All operational lights as stated elsewhere are to be controlled from
control tower from control panel.All operation lights are to be operated
by 110V A.C.supply
8.10 GENERAL ALARM
All alarms as necessary in hull and machinery sections are to be fitted.
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General alarm system to be installed with push buttons in control room
and engine room alarm panel connected to audible alarms in control
room,accommodation lobbies,machinery compartments and winch
compartments.System to be energised from 24V D.C. supply. Reset
wwitch for the alarm is to be arranged in the control room.
8.11 24VDC POWER SUPPLY(BATTERY CHARGER &
DISCHARGE PANEL)24V DC
The system is to supply power to the navigational lights and aids,radio
equipment,alarms instrumentation etc.The power source of 24V feeding
the nacigation lights is considered as the secondary source
Two(2) Dead front,wall mounted drip proof float type charges ,to be
located in the control room
The rectifier to be silicon type three phase full wave rectifying method
with surge current protector, Charging source 480 V or 220V, 3-phase,60
cycle,rectified to 24 VDC.
Necessary suantity of moulded case circuit breakers and fuses for
radio,emergency lighting ,alarm systems,general and fire
alarms ,telephones ,etc
The batteries,sufficient in number of the lead acid type,to be stored in
awell ventilated room on the control deck.Racks to be made of steel with
wooden grating on floor.Batteries to be protected from accidental spillage
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and movement.
Spearate vent fan to be provided,with exhaust to a safe/protected area。
8.12 SMALL POWER AND LIGHTING
Welding socket outlets,which are intended for use with portable welding
sets on the adjacent platform shall be provided with means to isolate the
power supply from the remote location
This shall taken the form of an emergency push(stay put),button,location
on or near the welding set,which will isolate the supplies from the barge
mounted outlet
Feeders to barge utilities(accommodation and gallwy)shall have
protective devices and the isolation of these feeder shall be assured under
conditions of earth fault.
8.13 INSPRCTION AND TESTING
All equipment and installation shall be fully tested and “meggered”before
putting into service and a record shall be provided to the Owner of all
circuit and equipment readings.
The inspection and testing shall conform to the guidelines of the Institute
of Electrical Engineer recommendations for Electronic and Electrical
equipment of mobile and fixed offshore installations.