Boiler Work Scope :- Job: Improvement of 1 no. boiler at site.

Detailed Scope:1)Monobloc Gas Fired Burner system 01 Nos.Make: Oilon, Finland, Model: GP-600 M or equivalent Suitable for Natural gasRegulation Fully modulating (Stepless modulation)Capacity range (Gas): 1400 - 6750 kWTurn down ratio (Gas): 1 : 4.1Ignition method: Ignition gas solenoid valveLength of combustion head: 310 mmNoise level: 88 dBA at 1 m distanceIn accordance to European regulation EN676 & CE certifiedConsisting of:- Inbuilt combustion fan with direct driven electric motor- Combustion fan-motor: 11.0 kW (mounted on the burner)- Duplex shut off valve for NG, Size DN65, I/L gas pressure110 mbarmin. & 360 mbar max.- 90 Elbow for duplex shut off valve- Ignition gas solenoid valve for NG- Ignition transformer, electrode with cable- Combustion head extension - Flame sensor:UV- Butterfly valve for gas flow control- Air regulating mechanism for air flow control- Combustion Head (mm): 310L x 395D- High gas pressure switch- Low gas pressure switch- Air pressure switch- Leakage detection unit.- Pressure Transmitter on steam drum.2) Complete power cum control panel PLC Based 01setStandard PLC (Siemens) panel for existing SM60 Or Equivalent Supply voltage: 415V + 5%, 3 Ph, 4 wire & 50 Hz + 5 % 3 /4wireControl voltage: 240V, A.C., 1 PhInput/ Outputs as mentioned below: DI: 20 DO: 12 AI: 5 AO: 120% extra on these with Ethernet communication portConsisting of:- Panel box with power & control sections partition plate- Floor mounted, Double door, bottom cable entry- Burner management system (PLC based), (ReplacingExisting Panel) BurnerFlame relay,- Switch gear for combustion air fan-motor- Switch gear for fuel pump-motor- Switch gear for existing TF Circulation & Transfer pump- Interlocking arrangement between offered panel & FieldInstrumentation- MCB / MCCB (Fuse less panel)- Hooter- Necessary contactors, switch, indicating lamps etc. Free standing type confirming to IP 42 with MCB/MCCB. The panelbox is made out of 14/16 SWG CRCA sheets and painted withpolyurethane paints / synthetic enamel. The power & control section are physically isolated with partitionplate. The power section is provided with a main incomer isolatingswitch with MCCB. The required switch gears for all the feeders arehoused in the power section. Burner management system along with necessary start stop button,auxiliary contactor, and control circuit of all motors, indicationlamps & hooter for the alarm are housed in the control section. Temperature indicator & switch is provided in the control panel toindicate the heater stack temperature. This switch gives high stacktemp alarm, lamp indication & burner trip interlock. This PLC based complete power cum control panel will have color5.7 HMI. Data logging capacity 1 month3) LMV 52, VFD & Oxygen monitoring System. 01 setAs per below scopeScope and specifications for Oxygen Monitoring are as below;a) Separate Type Zirconia Oxygen Converter Model: ZR402G-T-E-E-A Make Yokogawa or EquivalentFeatures:* LCD Touch panel for ease of operation* Sensor diagnostics with production of cell life* Converter displays the cell temperature and cell emf inaddition to Oxygen concentration* Interactive Graphical Display besides concentration display* Maximum distance between probe & Converter can be 500 Mtr.Specifications:* Measurement Range: 0.01 to 100% Vol% O2* Output Signal: Two 4 to 20 mA DC* Digital Communication: HART* Repeatability: +/- 0.5%* Linearity: +/- 1 %* Response: T90 is less than 5 sec.* Construction: NEMA 4X/IP66* Contacts outputs: 4 points* Self Diagnostics* Ambient temp.: -20 to + 55 deg. C* Power Supply: 100 to 250 V AC, 50/60 Hzb) Zirconia Oxygen Detector (Probe) with Dust FilterModel: ZR22G-040-S-A-E-T-T-E-A/CV/F1 Make Yokogawa or EquivalentFeatures:* Built-in Heater assembly of the probe can be replaced on site,reducing maintenance cost* Probe uses a long life, high reliability Zirconia sensor.* Special coating protects the platinum and prevents the sensorfrom deteriorating or becoming damaged.* No special tool is required for cell replacement. Cell can beeasily removed by removing four screws from the top of theprobe.* Platinum is molecularly bonded to the Zirconia element leavingno possibility of separation.Specifications:* Sample Gas Temperature: 0 to 700 deg. C* Insertion length: 400 mm* Sample Gas Pressure: -5 to + 250 kPa* Probe Material: SUS 316* Installation: Flange mounting* Flange: ANSI CLASS 150-2-RF(Equivalent)* Construction: Heater and thermocouple replaceable.* Construction: NEMA 4X/IP662 Probe Protector (Abrasive Shield) 450 mmIt is used when sample gas flow velocity is 10 m/Sec. Or moreand dust particles wears out the detector.3 Cables (10 Mtr)a) 2-Core Power Cable, 1.5 mm2 between Probe & Converterb) 6-Core Signal Cable, 1.5 mm2 between Probe & Converter4 SS Tube between Probe & Manual Calibration unit4) GWF Turbine type gas flow meter. EQZ Model 01 set Or Equivalent With Local Mechanical Display with over run brake mechanism , Provide reading in SMC. 5) Single Element 01 setOn feed water line after feed water pump:One: Main feed control valve with accessoriesOne: Bypass valve for level control valveTwo: Isolation valves for level control valveOn Boiler Drum:One: Boiler level transmitterOne: Set of items for transmitter hook upOne: Level indicating PID controller (panel mounted)On bypass line to Feed water tank:One: Bypass line control valveOne: Bypass valve for above control valveTwo: Isolation valves for above control valveOne: Non return valve6) Auto Blow-Down SystemAs per listed item1 Special IBR approved sensing chamber Thermax- 1 No. Or Equivalent2 Isolation Valve, Expert - 1 No. Or Equivalent3 DCV, Thermax -1 No. Or Equivalent4 Conductivity Sensor, Awvaz- 1 No. Or Equivalent5 Conductivity Controller with wall mounted panel,Fuji - 1 No. Or Equivalent6 Electrically actuated Surface Blow down valve,Inditech -1 No. Or Equivalent

7) Vertex Type Flow meter Following listed meters is required :-Sr.NoLocation /AreaPipe line Size End ConnectionQty requiredUOM

1Boiler No-01 (Safe area)4"F/E ASA #300 2Nos

2Amine plant for LPS (Ex proof area)8"F/E ASA #1501Nos

3Amine Plant for HPS (Ex proof area)4"F/E ASA #300 1Nos

4GE- 2 Plant for HPS-(Ex proof area)3"F/E ASA #300 1Nos

5Ethoxylation plant for- LPS-(Ex proof area)3"F/E ASA #1501Nos

6MEE plant for LPS-(Ex proof area)1.5"F/E ASA #1501Nos

Technical specifications:-Type of flow meter: Vertex FlowmeterFlanges: WNRFASA (Saturated steam) as per process connection mention in above tableMOC: SS316LFlanges: ASTM A106 or as per manufacturer standardAccuracy: 2 % of Actual reading at FSD/ 1 of Actual reading at FSD. With temperature CompensationOutput: 4 20 mA, HART (Smart)Inbuilt Density compensation presentInbuilt Temperature Compensation IP IP 67Enclosure Ex proof (Ex proof area)Display & transmitter: ATEX & Intrinsically safe sensor & transmitter for Ex proof area.(Ex Poof Area)

Calibration: 7 point flow calibrationMultivariable Mass flowLocal Display IBR approved Add on panel in safe area for Remote Display of totalizer value(FIT) for Each 5 nos steam meter & will be having space for 2 more (FIT) in panelCommunication: Each meter or FITs panel to have communication port for PLC OR DCS

8) Gas Safety Shutoff Valve , model 80F40 , Qty- 01 Nos. Or Equivalent 9) ERECTION, INSTALLATION AND COMMISSIONING JOBS FOR BOILER(RBF-60), (All cables, tubes, piping, fittings, electrical/instrument fittings, cable trays, Nut-bolt, gaskets to be supplied by vendor on unit cost basis)

1) Flow Meter (01 Qty.for Boiler + 05 Qty.for process) installation , pipe modification at site, cabling and related cable tray with all material. 2) Single element Fitting at Boiler (RFB 60)with all related Materials , pipe and fittings.3) Auto blow down Fitting at Boiler (RFB 60) with all related Materials , pipe and fittings.4) Tube replacement in Boiler (RFB 60) with all related Materials and pipe.5) Old panel dismantling and new PLC panel installation for RFB 60 work6) Control and power cabling .7) IBR design, activities & documentation.

Technical Specification & Scope of Supply

1) Flow meter: Vertex type flow meter installation with bend, flange, reducer in old plant, Qty: 5 No Vertex type flow meter installation with bend, flange, reducer in boilers, Qty: 1 No Fixing of 05 Nos Flow Indicator totalizer (FIT) with add on panel (non flame proof enclosure) at boiler house. Cabling & hardware for same flow meter fitting

2) Single element: Single element control system installation in RFB 60 boiler. Feed water piping from feed pump to boiler and return line to feed water tank IBR piping with bend, flange, and reducer etc.

3) Auto blow-down: Auto blow down system installation. VLI header installation with valves for PT and LT

4) Boiler Tube changing: Boiler tube dismantling and installation with pipe material- Size: 50.8, Qty: 5 Nos

5) MCC/ PLC panel: Old panels dismantling and new MCC/PLC panel installation.

6) Cabling and Instrumentation: Power cabling for RFB 60 boiler. Control and Instrument cabling for boiler and all supplied flow meter. Cable tray installation for each boiler and all supplied flow meter. SS tubing work for flow meters and pressure transmeter.All cables shall be FRLS. (Note : All cables to be considered as per company specification)

7) IBR activities for all work covered in this project:Preparation of all drawings, reports, applications for necessary submissions & revisions till approval from IBR.Documentation of all material certificates, inspection reports as per IBR procedures.Site activities in accordance with IBR rules & regulations with all necessary in-process inspections & reports.Successful final testing to start up the modified system as per IBR rules. As built drawings & document set in line with IBR rules for our record.

BATTERY LIMITELECTRICALS-- Incomer of control panel and incoming termination.

Exclusions from vendors scope Insulation and cladding Scaffolding Painting Civil and foundations Cabin for PLC panel