Bids Are Invited For Custom Bid for Services - Biennial Rate Contract for Turbine Associated Equipments Auxiliaries for Unit 78 MTPS DVC Capacity 500 MW - List of equipments and machineries and area of work of Unit # 7&8, MTPS 1) Compressed air system – Rotary compressors (06 nos.), their driers, receivers and associated valves etc. 2) DMCW for Turbine auxiliaries (03 nos./unit)- Pump, associated valves, Heat exchangers etc. 3) DMCW for SG auxiliaries (02 nos./unit.)- Pump, associated valves, heat exchangers etc. 4) Self-cleaning strainer system (2 nos. / unit)- pumps, associated valve, strainer etc 5) Debris Filter in Condenser inlet line (2 nos. / unit)-Debris filter, associated pump, valves, pipe line etc 6) MDBFP (1 no /unit)– Boiler feed pump, booster pump, hydro coupling, booster pump strainer, main pump strainer, discharge valves, recirculation valves, suction valves, lub oil coolers, associated valves & pipe lines. 7) TDBFP (02 nos./ unit)- Boiler feed pump, booster pump, gear box, booster pump strainer, main pump strainer, discharge valves, recirculation valves, suction valves, Lube oil pump, DC LOP, Jacking oil pump, Transfer oil pump, oil centrifuge, associated valves, governing rack etc. 8) Condensate system: Condensate Extraction Pump (03nos/unit.), suction valves, suction strainers, associated valves & pipe lines up to deaerator 9) TG Bearing Lube oil system - Main oil tank, AOP (02 nos. /unit), DCEOP (01 no. /unit.), AC JOP (01 no./unit.), DC JOP (01 no./unit.), Vapour extractor fans (02 nos./unit), associated valves, Main oil cooler (02 nos./unit.), duplex filter, associated pipe lines etc. 10) Oil separator- Centrifuge, booster pump associated valves, pipe line etc. 11) Control Fluid system- Control fluid pump (02 nos./unit), regenerative pump(02 nos./unit), vapour extractor fans(02 nos./unit), filters, heater, associated valves and pipe lines, governing racks, accumulators etc. 12) Central oil purification system- Clean oil tank, Dirty oil tank, Dirty oil transfer pump, clean oil transfer pump, Centrifuge, filters, associated valves pipelines etc. 13) Seal oil system- AC seal oil pump (03nos./unit.), DC seal oil pump(01 no./unit), BC exhauster fans (2 nos. /unit), SOT, SOST, DPRVs, equalizer valve, other associated valves & pipe lines, seal oil coolers, duplex filters, LLDs etc 14) Primary water system- Primary water pumps (2nos./unit), coolers, PHEs, filters, associated valves, primary water tank etc 15) PRDS system - PRDS system (steam & water ckt) including lines, valves, De-super heater, safety valves and associated pipe lines. 16) Gland sealing system- Gland steam exhaust fans (2 nos./unit), Turbine gland steam valves, associated pipe lines. 17) HP bypass system- Valves of HP Bypass spray water line & Steam line, Oil unit (Oil pumps and accumulator) 18) LP Bypass system- Oil pump (02 nos./unit), recirculation pump (02 nos./unit), valves of LP Bypass spray water line & Steam line, Oil unit (Oil pumps and accumulator) 19) Vacuum system- Vacuum pumps (02nos./unit.), recirculation pumps (02 nos./unit.), separator, associated valves, coolers etc. 20) Gas system - Gas feeding system (H2, N2 & CO2) valves and fittings and pipe lines including different valves in H2 gas drier etc. 21) Chemical dosing system- Phosphate, Ammonia, Hydrazine dosing pumps (2 nos. of each category/unit) and their valves, relief valves, NRVs, strainer, pipe lines, tanks etc. 22) Deaerator System: Deaerator, storage tank, associated pipe lines & valves, safety valves. 23) Condenser online tube cleaning system – Pumps (02nos./unit), valves, orifices, unions, etc 24) LP Heaters & HP Heaters- Shell, Drip valves & associated pipe lines 25) Turbine drain and impulse line valves - MS, CRH, LPBP drain valves, HRH and MAL drain valves. 26) HP Heaters, LP Heaters, Deaerator& TDBFP Extraction line oil operated NRVs 27) HP & LP steam lines, water line, oil lines, gas lines and their associated systems related with Turbine, 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 28) Condenser, hot well, flash boxes- Tanks, associated valves & pipe lines 29) Service water tank, ECW tank, filter water tank- Tanks, associated valves & pipe lines 30) LP turbine rupture diaphragm 31) All hangers and supports 32) Condensate pit sump pump 33) APH Wash pump – 02 nos. pumps and associated valves & pipe lines 34) Turbine governing system 35) Auxiliary Steam Header 36) Condensate Polishing Unit- Tank (06 nos), blower (04 nos), associated valves, pipe lines etc. 37) Equipment Cleaning - A 1) Scope of work for day to day maintenance work for turbine & auxiliaries of unit # 7 & 8, B. OPTIONAL SCOPE OF WORK: -B1 ATTENDING GASKET LEAKAGES OF MAIN STEAM STRAINER 1. Proper scaffolding around the strainer to be made for maintenance work. 2. Removal of insulating materials. 3. Dismantling of strainer cover after removal of studs & bolts and gaskets. 4. Taking out strainer out of the assembly. 5. Inspection of the strainer properly. 6. If any repairable damage found to be repaired. 7. Reassembly of assembly of strainer using new gasket. 8. Cleaning of surrounding area after completion of job B2 ATTENDING GASKET LEAKAGES OF HOT REHEAT STEAM STRAINER 1. Proper scaffolding around the strainer to be made for maintenance work. 2. Removal of insulating materials. 3. Dismantling of strainer cover after removal of studs & bolts and gaskets. 4. Taking out strainer out of the assembly. 5. Inspection of the strainer properly. 6. If any repairable damage found to be repaired. 7. Reassembly of assembly of strainer using new gasket. 8. Cleaning of surrounding area after completion of job B3 Opening and Boxing up of Turbine bearing pedestal cover. 1. Dismantling of parting plane bolts and attached components. 2. Taking out of pedestal cover from its position and placing to suitable position. 3. Reassembling after placing it to its original position. 4. Fixing any attachment if dismantled B4 PHE CLEANING OF SG/TG AUXILIARIES COOLING WATER SYSTEM 1. Loosening of the holding studs of PHE after taking width reading at three different places. 2. Moving of the front holding plate and loosening the plate stack 3. Inspection of each and every plate for damage and checking of the sealing ring condition 4. Cleaning of each and every plate from scales & debris as per requirement 5. Replacement of sealing rings in plates as per requirement 6. Arranging of the plate stack and tightening with tightening studs 7. Cutting of new gaskets from sheet as per requirement for all flanged joints 8. Box up and tightening of holding studs by keeping width dimension as per reading taken earlier. 9. Charging and checking for leakages and attending the same , if any B5 ATTENDING PASSING, LEAKAGES ETC. OF HPBP VALVES (EXCLUDING SEAT CUTTING) 1. Disconnection of oil pipe line from actuator. 2. Decoupling, removal of actuator and placing to a support on TG floor. 3. Dismantling of valves. 4. Cleaning, checking and NDT as per requirement. 5. Repair / replacement of components. 6. Lapping and blue matching of Seats and Discs as per requirement and to the extent possible. 7. Assembly of valves. 8. Mounting of actuator, coupling with valves. 9. Connection with oil lines. 10. Commissioning of valves, attending oil leakages and defects if any. B6 ATTENDING PASSING, LEAKAGES ETC. OF HPBP SPRAY VALVE (EXCLUDING SEAT CUTTING): 1. Disconnection of oil pipe line from actuator. 2. Decoupling, removal of actuator and placing to a support on TG floor. 3. Dismantling of valves. 4. Cleaning, checking and NDT as per requirement. 5. Repair / replacement of components. 6. Lapping and blue matching of Seats and Discs as per requirement and to the extent possible. 7. Assembly of valves. 8. Mounting of actuator, coupling with valves. 9. Connection with oil lines. 10. Commissioning of valves, attending oil leakages and defects if any. B7 CONTROL FLUID COOLER CLEANING 1. Draining of oil inside cooler in to the CFT 2. Isolation of water side valves of the coolers 3. Opening of the inlet and outlet oil/water pipes from the cooler. 4. Loosening of the base bolts of the coolers for lifting of it 5. Lifting of the cooler and locating at a suitable place after removal of fasteners of water boxes 6. Thoroughly cleaning of tube inside by water jet/acid/nylon brush/compressed air etc. as per requirement 7. Box up the water box cover with new O-ring / gasket 8. Tightening of fasteners of inlet and outlet pipelines. 9. Filling of cooler by oil as directed by operation persons 10.Charging of water side and checking for any leakage etc. and rectification of defects if any. B8 TG LUBE OIL COOLER CLEANING 1. Draining of oil inside cooler in to the MOT 2. Isolation of water side valves of the coolers 3. Opening of the inlet and outlet oil/water pipes from the cooler. 4. Loosening of the base bolts of the coolers for lifting of it 5. Lifting of cooler pipe bundles/cover at TG floor 6. Opening of the cover of the tube bundles 7. Cleaning of tube inside by water jet/acid/nylon brush/compressed air etc. as per requirement 8. Box up of cover of the tube bundles 9. Positioning of the cooler on the water boxes by using new gaskets etc. 10.Box up of cooler with new O-ring / gasket (oil/water) and tightening of base bolts of water boxes etc. 11.Tightening of fasteners of inlet and outlet pipelines (water /oil). 12.Filling of cooler by oil as directed by operation persons 13.Charging of water side and checking for any leakage etc. and rectification of defects if any. B9 CLEANING & INSPECTION OF FST (DEAERATOR): 1. Opening of manhole doors. 2. Preparation of suitable lighting arrangements & platforms. 3. Inspection and repair of internals by welding / grinding. 4. Cleaning / rebuilding of sealing surfaces by welding & grinding. 5. Cleaning of Feed Storage Tank and Deaerator prior to final inspection. 6. Cutting of new gaskets from sheet. 7. Box-up of manhole doors with new gaskets. 8. Checking of D/A trays for any dislodging and relocating of the same if required 9. Cleaning/replacement of trays as per requirement 10. Attending defects / leakages after charging, if any. Cleaning of the area and removal of used cotton waste / clothes / debris B10 REPLACEMENT / SERVICING/ OF BFP (CARTRIDGE): 1. Disconnection/Removal of spray pipes, oil pipes etc. attached to the Boiler Feed Pump and any other items such as cable trays, supports, platform etc. obstructing the cartridge removal shall also be removed by the party. 2. Shifting of cartridge withdrawal arrangement and hydraulic stud tensioner to site and back to storage location after completion of job. 3. Any required modification in cartridge withdrawal arrangement to be done at site. 4. Removal of coupling housing and disconnection of coupling between Turbine / Hydro coupling & pump. 5. Loosening /Removal of discharge cover nuts with the help of stud tensioner. 6. Fixing of cartridge withdrawal arrangement for removal of cartridge. 7. Locking of rotor assembly & withdrawal of cartridge from barrel by using cartridge withdrawal tools. 8. Cleaning of barrel internals, measurement of control dimensions, 9. Thorough Checking of barrel & pump cartridge for damages, erosion inside the pump barrel / cartridges. 10. Minor repair of barrel / cartridge by welding (TIG or ARC welding as per requirement) the damages, erosions as per requirement. 11. Lapping / scrapping of repair area by using lapping fixture or with the help of glass. 12. Cutting of new gaskets from sheet as per requirement. 13. Shifting & cleaning of new cartridge. 14. Insertion of new/repaired cartridge into the barrel with new gasket & O-Rings. 15. Locating and securing of pull ring on the suction guide and pump guide 16. Tightening of discharge cover with the help of stud tensioner. 17. Tightening of all suction side fasteners 18. Removal of cartridge withdrawal arrangement. 19. Fixing of coupling housing, installation of power pack arrangement, & connection of coupling after alignment as per design data. 20. Fixing of water/oil pipes or any other items removed earlier etc. with new O-rings / gaskets as per requirement. 21. Charging of the system, trial run of the pump, & attending defects, if any. 22. Cleaning of the area as a whole and removal of used cotton waste / clothes. B11 OVERHALAULING / SERVICING OF CEP 1. Decoupling of pump and motor. 2. Removal of motor from mounting. 3. Disconnection of suction/discharge and all other connecting pipes 4. Removal of Pump assembly. 5. Dismantling of pump. 6. Cleaning of all pump components. 7. Inspection of pump components as per drawing. 8. Checking of shaft run out. 9. Repair / Replacement of damaged pump components. 10. Resetting of all clearances, as per drawing. 11. Assembling of pump, bearing, mechanical seal / gland packing etc. 12. Placement of the Pump assembly. 13. Restore all connecting pipes / components with new sealing rings / gaskets. 14. Fill up with required quantity of fresh oil. 15. Alignment and coupling of pump with motor. 16. Attending of defects / leakages after charging and trial run, if any. B12 REPLACEMENT OF COMPLETE BOWL ASSEMBLY OF CEP 1. 1. Decoupling of pump and removal of motor from pedestal 2. Removal of pump from canister 3. Cleaning the inside of canister & placing of the new bowl assembly inside the Canister. 4. Checking of the pump float after placing thrust pads. 5. Placement of motor on the pump pedestal 6. Coupling the motor after alignment. 7. Commissioning of the pump. B13 6. Replacement/Servicing of DMCW PUMP SG/TG 1. Decoupling of pump and motor for Replacement/Servicing. 2. Removal of motor from mounting. 3. Disconnection of suction/discharge and all other connecting pipes 4. Removal of Pump assembly. 5. Dismantling of pump. 6. Cleaning of all pump components. 7. Inspection of pump components as per drawing. 8. Checking of shaft run out. 9. Repair / Replacement of damaged pump components. 10. Resetting of all clearances, as per drawing. 11. Assembling of pump, bearing, mechanical seal etc. 12. Placement of the Pump assembly. 13. Restore all connecting pipes / components with new sealing rings / gaskets. 14. Alignment and coupling of pump with motor. 15. Attending of defects / leakages after charging and trial run, if any. Note: Shifting of new pump from store to work site and damaged pump to scrape yard is in the contractor scope B14 7. Replacement/Servicing of BFP Booster pump 1. Decoupling the pump from motor/Gear box for Replacement/Servicing 2. Disconnecting associated pipe lines 3. Removing base bolts and lifting the pump assembly /Checking of pump internals and fitting of impeller and required sprares. 4. Checking & Placing of new pump/serviced pump on base 5. Alignment of pump with motor/gear box. 6. Connecting associated pipe lines 7. Coupling & commissioning of the pump. 8. Note: Shifting of new pump from store to work site and damaged pump to scrape yard is in the contractor scope B15 REPLACEMENT OF VACCUM PP-DE/NDE BEARING: 1. Decoupling of pump and motor 2. Removal of bearing cover. 3. Complete removal of old grease from the bearing. 4. Replace the Bearing with new one. 5. Greasing of the bearing with fresh grease. 6. Box-up of bearing cover. 7. Alignment & Coupling of motor with vacuum pump. B16 Servicing of manual/motorized/control valves (excluding servicing of actuators) sizes above 100 NB & up to 200 NB. Maximum working press up to 20 Kg/cm2. 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B17 Servicing of manual/motorized/control valves (excluding servicing of actuators) sizes above 200 NB & up to 350 NB Maximum working pressure up to 20 kg/cm2 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B18 Servicing of manual/motorized /control valves(excluding servicing of actuators) sizes above 350 NB & up to 450 NB Maximum working press up to 20 kg/cm2 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B19 Servicing of manual/motorized/control valves (excluding servicing of actuators) sizes above 100 NB & up to 200 NB .Maximum working press above 20 and up to 35 Kg/cm2 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B20 Servicing of manual/motorized/control valves(excluding servicing of actuators) sizes above 200 NB & up to 350 NB . Maximum working pressure above 20 and up to 35 kg/cm2 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B21 Servicing of manual/motorized /control valves(excluding servicing of actuators) sizes above 350 NB & up to 450 NB . Maximum working pressure above 20 & up to 35 kg/cm2. 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B22 Servicing of manual/motorized/control valves(excluding servicing of actuators) sizes above 100 NB & up to 200 NB Maximum working pressure above 35 kg/cm2 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B23 Servicing of manual/motorized/control valves(excluding servicing of actuators) sizes above 200 NB & up to 350 NB Maximum working pressure above 35 kg/cm2 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B24 Servicing of manual/motorized /control valves(excluding servicing of actuators) sizes above 350 NB & up to 450 NB. Maximum working pressure above 35 kg/cm2. 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B25 Servicing of manual/motorized /control valves(excluding servicing of actuators) sizes above 450 NB . Maximum working pressure above 35 kg/cm2. 1) Dismantling of valve 2) Checking/repair/replacement of valve trim as per requirement 3) Assembling of valve B26 Replacement of Ball/butterfly valve seat/disc/ rubber seal size above 100 NB up to 200 NB 1. Dismantling of the valve 2. Cleaning of flanges 3. Checking and replacement of damage seals 4. Checking of seating area and necessary correction if required 5. Fitting of new seal ring 6. Testing for passing of water in closed condition of valve 7. Assembly of valve in position B27 Replacement of Ball/ butterfly valve seat/disc/ rubber seal size above 200 NB up to 350 NB 1. Dismantling of the valve 2. Cleaning of flanges 3. Checking and replacement of damage seals 4. Checking of seating area and necessary correction if required 5. Fitting of new seal ring 6. Testing for passing of water in closed condition of valve 7. Assembly of valve in position B28 Replacement of Ball/butterfly valve seat/disc/ rubber seal size above 350 NB up to 500 NB 1. Dismantling of the valve 2. Cleaning of flanges 3. Checking and replacement of damage seals 4. Checking of seating area and necessary correction if required 5. Fitting of new seal ring 6. Testing for passing of water in closed condition of valve 7. Assembly of valve in position B29 Replacement of Ball/butterfly valve seat/disc/ rubber seal size above 500 NB upto 1000 NB 1. Dismantling of the valve 2. Cleaning of flanges 3. Checking and replacement of damage seals 4. Checking of seating area and necessary correction if required 5. Fitting of new seal ring 6. Testing for passing of water in closed condition of valve 7. Assembly of valve in position B30 Replacement of Ball/butterfly valve seat/disc/ rubber seal size above 1000 NB 1. Dismantling of the valve 2. Cleaning of flanges 3. Checking and replacement of damage seals 4. Checking of seating area and necessary correction if required 5. Fitting of new seal ring 6. Testing for passing of water in closed condition of valve 7. Assembly of valve in position B31 Replacement of ONE bolted valve (Above 100 to 250 NB valve) with max working pressure of 25 Kg/cm2) 1) Dismantling of the valve after removing the fasteners. 2) Cleaning of flanges and cutting of gaskets as per requirement 3) Fitting of new valve with gaskets in position and tightening of Fasteners. 4) Fitting of actuator in position if required B32 Replacement of ONE bolted valve (Above 250 to 500 NB valve) with max working pressure of 25 Kg/cm2) 1) Dismantling of the valve after removing the fasteners. 2) Cleaning of flanges and cutting of gaskets as per requirement 3) Fitting of new valve with gaskets in position and tightening of Fasteners. 4) Fitting of actuator in position if required B33 Replacement of ONE welded valve (Above 100 to 250 NB valve) with max working pressure of 25 Kg/cm2 1) Cutting of valve end connection by cutting wheel/gas cutting 2) Cleaning and edge preparation of pipe ends 3) Fitting and aligning of new valve in position 4) Welding of ends as per instruction of EIC B34 Replacement of ONE welded valve (Above 250 to 450 NB valve) with max working pressure of 25 Kg/cm2 1) Cutting of valve end connection by cutting wheel/gas cutting 2) Cleaning and edge preparation of pipe ends 3) Fitting and aligning of new valve in position 4) Welding of ends as per instruction of EIC B35 Replacement of ONE welded valve (Above 100 to 250 NB valve) with working pressure above 25 Kg/cm2 1) Cutting of valve end connection by cutting wheel/gas cutting 2) Cleaning and edge preparation of pipe ends 3) Fitting and aligning of new valve in position 4) Welding of ends as per instruction of EIC B36 Replacement of ONE welded valve (Above 250 to 450 NB valve) with working pressure above 25 Kg/cm2) 1) Cutting of valve end connection by cutting wheel/gas cutting 2) Cleaning and edge preparation of pipe ends 3) Fitting and aligning of new valve in position 4) Welding of ends as per instruction of EIC B37 Replacement of pipe (steam, water, oil & air) size above 100 NB & up to 250 NB with maximum working pressure up to 20 KG/cm2. 1) Removal of damage portion of the pipe (by cutting wheel /gas cutting). 2) Cleaning of new pipe 3) Edge preparation of pipe ends. 4) Fitting of pipe in position. Welding of pipe and finishing B38 Replacement of pipe (steam, water, oil & air) size above 250 NB and up to 400 NB with maximum working pressure up to 20 KG/Cm2 1) Removal of damage portion of the pipe (by cutting wheel /gas cutting). 2) Cleaning of new pipe 3) Edge preparation of pipe ends 4) Fitting of pipe in position. Welding of pipe and finishing B39 Replacement of pipe (steam, water, oil & air) size above 100 NB and up to 250 NB with maximum working pressure above 20 KG/Cm2 1) Removal of damage portion of the pipe (by cutting wheel /gas cutting). 2) Cleaning of new pipe 3) Edge preparation of pipe ends 4) Fitting of pipe in position. Welding of pipe and finishing B40 Replacement of pipe (steam, water, oil & air) size above 250 NB and up to 400 NB with maximum working pressure above 20 KG/Cm2 1) Removal of damage portion of the pipe (by cutting wheel /gas cutting). 2) Cleaning of new pipe 3) Edge preparation of pipe ends 4) Fitting of pipe in position. Welding of pipe and finishing B41 Rentals for movable Crane /Hydra (12 TON Capacity) - per hour basis (with diesel and driver cum operator) (per hour basis.) 1) Loading of spares at main stores on as per requisition of material. 2) Unloading of spares at site / place indicated and arranging spares in systematic way. 3) Transportation of material from work spot to machine shop and back to work spot after machining work. 4) Any other work as instructed by EIC. B42 Transportation of light material (carriable by light/ heavy vehicle): (per 1/2 day basis.) 1) Loading of spares at main stores on light medium vehicle as per requisition of material. 2) Unloading of spares at site / place indicated and arranging spares in systematic way. 3) Transportation of material from work spot to machine shop and back to work spot after machining work. 4) Any other work as instructed by EIC. B43 Servicing of Safety Valve mounted on Deaerator Feed Storage Tank, Extraction Steam lines for BFPs, HPH/LPH 1) Opening the cap. 2) Recording the pre adjusted spring length. 3) Opening the bonnet/spring housing. 4) Dismantling the spring and disc with shaft assembly. 5) Removal of the lower ring. 6) Lapping of seal if required. 7) Reassembling the valve with new gasket. 8) Setting the spring length. 9) Fixing the cap. B44 New Pipeline laying work ( Including welding) per 10 meter 1. Collection of material from store. 2. Taking of measurement as per site requirement and Drawing 3. Cutting of pipe by gas cutting set, grinder etc. 4. preparation of edge before welding 5. Weld the angle iron, plate etc for necessary support 6. Carrying out DPT of weld joints as per requirement. 7. Taking of corrective action if any. 8. Removal of the waste material and T&P from the site. 9. Shifting of unused pipes to the location. B45 ASSISTANCE IN LP By pass SERVICING (Frequency is calculated on per day basis): 1) Removal of grating & insulation materials if required. 2) Arrangement of lifting device for LP bypass stop, control, & spray control valve. 3) Decoupling of stop, control, & spray control valve. 4) Dismantling of servo motor & valve. 5) Inspection of valve plug & seat of all the valves. 6) Cleaning of valve and its servomotor. 7) Tit bit repairing works to be done if required. 8) Fitting of new spares if found damaged. 9) Assembly of valve and its servomotor. B46 Fabrication/Modification (per Ton of steel material) 1. Collect the material from Store. 2. Take the measurement as per site requirement and drawing. 3. Cut the angle iron, plate by gas cutting set, grinder etc. 4. Weld the angle iron, plate etc. 5. Do the DPT of all weld joints. 6. Take corrective action if any. 7. Remove the waste material and T&P from site. Shift the unused pipes/plate to the location as per instruction of EIC. Total Quantity :
