Rate Contract For Two Years For Mechanical Maintenance And Operation Support Services Of Turbine And Generator Associated Equipments And Auxiliaries Of 2X500 Mw Units Of Ktps, Dvc-1 Air Compressor: A ) Service Air Compressor-02 Nos. B ) Instrument Air Compressor-03 Nos. C ) Mill Reject Compressors- 02 Nos. D ) Associated Driers ( Only Mechanical Portion ) , Pipe Lines, Valves, Receiver Tanks Etc. 2 Equipment Cooling Water System A ) Tg Auxiliaries Cooling System Includes 03 Nos. Centrifugal Pump ( Tg-Dmcw Pumps ) , Associated Pipe Lines & Valves, Plate Heat Exchangers ( 03 Nos. ) Associated Valves & Pipe Lines. B ) Boiler Auxiliaries Cooling System Includes 02 Nos. Centrifugal Pump ( Sg-Dmcw ) , Associated Pipe Lines & Valves, Plate Heat Exchangers ( 02 Nos. ) Associated Valves & Pipe Lines Feed Water System: Md Boiler Feed Pump / Td Bfp And Their Hydro Coupling / Gear Box, Booster Pump, Lub Oil System Including Working Oil &Lub Oil Coolers. Ac& Dc Lube Oil Pumps, Transfer Oil Pump, Jacking Oil Pump. Associated Valves And Pipe Lines In Steam / Oil / Water Circuit, All Feed Water Valves I.E. Suction Valve, Discharge Valves ( Motorized ) , Recirculation Valves ( Pneumatic ) , Nrv’S. Booster Pump & Boiler Feed Pump Strainer, Suction Flow Orifice. Hph’S Inlet, Outlet & Bypass Valves Feed Control Station Valves , Associated Pipe Lines, Oil Operated Extraction Line Nrvs Etc. Condensate System: Condensate Extraction Pumps, Suction Strainers, All Valves In The System I.E. Gland Steam Cooler, Drain Cooler, Deaerator ( Steam And Water Ckt ) , Deaerator, Deaerator Storage Tank And Their Associated Valves & Pipe Lines. Condensate Transfer System: Pumps – 02 Nos., Tanks- 02 Nos., Associated Pipeline And Valves Etc. Turbine Gov. Racks ( Governing Rack, Protection Rack, Supply Units Etc ) , Hp & Ip Control And Stop Valves Servo Motors, Test Valves ( Valve Block Assembly ) , Crh Nrv’S Actuators And External Glands Of Crh Nrvs, Tdbfp Stop, Main & Auxiliary Control Valve & Their Servomotor. ( Which Includes Only Tit-Bit Maintenance Works ) , Hpt Evacuation Valve, Vacuum Breaker Valve. Oil Tank: Main Oil Tank, Control Fluid Tank, Waste Fluid Tank, Leakage Oil Tank, Leakage Oil Pump Etc. Central Oil Purification System-Clean Oil Tank, Dirty Oil Tank, Dirty Oil Transfer Pump, Clean Oil Transfer Pump, Centrifuge, Filters, Associated Valves Pipelines Etc. Tg Bearing Lub Oil System ( Each Unit ) - Aop ( 02 Nos. ) , Dceop ( 01 No. ) , Acjop ( 01No. ) , Dcjop ( 01No. ) , Vapour Extractor Fans ( 02 Nos. ) , Associated Valves, Main Oil Cooler ( 02 Nos. ) , Accumulators, Duplex Filter, Associated Pipe Lines. Control Oil System- Control Oil Pump, Regenerative Pump, Vapour Extractor Fans, Filters, Heater, Coolers, Associated Valves And Pipe Lines, Governing Racks, Accumulators Etc. 7 Oil Purifier In Main Turbine Lub Oil System, Td Bfps And Central Oil Purification System: Centrifuge, Booster Pump, Associated Valves & Pipelines 8 Generator Seal Oil System: Ac & Dc Seal Oil Pumps, Bearing Chamber Vapour Exhauster Fan, Valves In Oil And Gas Lines, Strainers / Filters, Llds, Plate Type Heat Exchanger, Seal Oil Tank, Seal Oil Storage Tank, Seal Oil Filter 9 Primary Water System- Primary Water Tank, Primary Water Pumps ( 02Nos. ) , Naoh Pump, Plate Type Heat Exchanger, Filters, Associated Valves & Pipe Lines. 10 Prds System - Steam & Water Ckt Including Pipe Lines, Valves, De-Super Heater, Safety Valves. 11 Turbine Gland Steam Exhauster Fans, Turbine Gland Steam Valves: Maw-10 & Maw-50: ( Which Attracts Only Tit-Bit Break Down Maintenance Works ) . 12 Hp Bypass System: Manual Valves / Nrvs , Bp, Bd, Bpe Valves Of Hp Bypass Steam & Spray Water Line, Oil Unit ( Oil Pumps, Filters And Accumulator ) Lp Bypass System: Lpbp Pumps, Lpbp Re-Circulation Pumps, Regeneration Pumps, Filters, Oil Coolers, Accumulator, Injection Water Valve, Manual Valves Etc. 13 Vacuum System: Vacuum Pumps ( 02 Nos. ) , Recirculation Pumps ( 02 Nos. ) Separator, Cooler, Associated Valves & Pipe Lines 14 Gas Feeding System ( H2, Co2 & N2 ) Valves, Fittings And Pipe Lines Including Different Valves In H2 Gas Drier Etc. 15 Chemical Dosing System: Phosphate, Ammonia & Hydrazine Dosing Pumps, Associated Valves, Pipe Lines, Strainers, Nrvs Relief Valves Etc. 16 Condenser On Line Tube Cleaning System And Its Accessories. Bar Strainer In Condenser Cw Outlet Line. 17 Lph & Hph: A ) Lph #1, 2 & 3, Hph # 5A, 5B, 6A, 6B - Associated Drip Line Valves ( Manual, Pneumatic, Motorized ) B ) Extraction Steam System- Extraction Steam Valves To Heaters, Nrv’S, Associated Pipe Lines & Valves C ) Deaerator Pegging Steam & Heating Line – All Associated Valves ( Manual, Motorized, Pneumatic ) & Pipe Lines 18 Turbine Drain And Impulse Line Valves Of Ms, Crh, Lpbp Drain Valves, Hrh And Mal Drain Valves. 19 Hp Heaters & Lp Heaters Extraction Line Oil Operated Nrvs 20 Hp & Lp Welding Of Steam Lines, Water Line, Oil Lines, Gas Lines And Their Associated Systems Related With Turbine & Its Auxiliaries, Drain And Impulse Line Valves Of Ms, Crh, Lpbp Drain Valves, Hrh And Mal Drain Valves And Pipe Lines, Valves Of Prds Steam & Spray Water Line ( Up To 100Nb Pipe Size ) As Per Requirement Including C&I Impulse Line Valves Mountings Etc Which Need Welding Joints. 21 Uft & Flash Boxes 22 Condenser, Hot Well 23 All Valves In Aux. Steam Header 24 Condensate Polishing Unit-Vessel ( 04 Nos. ) , Blower ( 04 Nos. ) , Associated Valves, Pipe Lines Etc. 25 All Hangers And Supports 26 Equipment Cleaning
