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| 1 | Servicing of motor operated M-BFP discharge isolation valves, control & isolating valves on feed water lines, Ist/IInd discharge NRVs of M-BFP, manually operated gate/globe valves installed of HP lines on Turbine side. Size: 250~300mm, Design press.: > 40 Kg/cm2, temp.: 250 oC | Servicing of motor operated M-BFP discharge isolation valves, control & isolating valves on feed water lines, Ist/IInd discharge NRVs of M-BFP, manually operated gate/globe valves installed of HP lines on Turbine side. Size: 250~300mm, Design press.: > 40 Kg/cm2, temp.: 250 oC |
| 2 | Servicing of motor operated discharge isolation valve, Ist / IInd. discharge NRVs of T-BFPs, control & isolating valves on feed water lines. Size:350 mm,Design press.: 219~302 Kg/cm2, temp.:210 oC | Servicing of motor operated discharge isolation valve, Ist / IInd. discharge NRVs of T-BFPs, control & isolating valves on feed water lines. Size:350 mm,Design press.: 219~302 Kg/cm2, temp.:210 oC |
| 3 | Servicing of feed water minimum flow isolation valves, pneumatically operated control valves on Turbine side. Size:150 mm, Pr. : 219~224 Kg/cm2 | Servicing of feed water minimum flow isolation valves, pneumatically operated control valves on Turbine side. Size:150 mm, Pr. : 219~224 Kg/cm2 |
| 4 | Servicing of motor operated control valve, motor operated gate/globe valves, manually operated gate/globe valves, check valves Size:150~250 mm & manually operated valves of Size: 15~100mm installed on HP lines. motor operated valves. Size: 25~100 mm Pr.> 40 Kg/cm2 | Servicing of motor operated control valve, motor operated gate/globe valves, manually operated gate/globe valves, check valves Size:150~250 mm & manually operated valves of Size: 15~100mm installed on HP lines. motor operated valves. Size: 25~100 mm Pr.> 40 Kg/cm2 |
| 5 | Servicing of hydraulic operated HP Bypass spray water control valves, spray isolation valves, NRVs on Turbine side. Size:100-150mm, Pr. : 152 Kg/cm2. | Servicing of hydraulic operated HP Bypass spray water control valves, spray isolation valves, NRVs on Turbine side. Size:100-150mm, Pr. : 152 Kg/cm2. |
| 6 | Servicing of HPH 5A, 5B, 6A, 6B Extraction steam valve, check valves. Size: 250mm, Pr.: 40~51Kg/cm2 | Servicing of HPH 5A, 5B, 6A, 6B Extraction steam valve, check valves. Size: 250mm, Pr.: 40~51Kg/cm2 |
| 7 | Servicing/Overhauling of CRH reverse current valve. Size:900 mm, Pr: 51 Kg/ cm2. | Servicing/Overhauling of CRH reverse current valve. Size:900 mm, Pr: 51 Kg/ cm2. |
| 8 | Replacement of HP / LP valves of different Floors by cutting of damaged valve & welding of new valve. Size: 08~25 mm. | Replacement of HP / LP valves of different Floors by cutting of damaged valve & welding of new valve. Size: 08~25 mm. |
| 9 | Replacement of flange gasket of HP/LP valves & piping on per mm dia.basis of valve. | Replacement of flange gasket of HP/LP valves & piping on per mm dia.basis of valve. |
| 10 | Replacement of gland packing with new one of HP / LP Valves on per mm dia. basis of valve. | Replacement of gland packing with new one of HP / LP Valves on per mm dia. basis of valve. |
| 11 | Replacement of HP / LP Heater man hole flange gasket. | Replacement of HP / LP Heater man hole flange gasket. |
| 12 | Servicing of HPH - 5A/5B, 6A/6B, LPH-2&3, deaerator & Gland steam header safety valve. | Servicing of HPH - 5A/5B, 6A/6B, LPH-2&3, deaerator & Gland steam header safety valve. |
| 13 | Servicing of suction relief valves of T-BFPs / M-BFPs / CEPs / LPHs / HPHs and safety valves of main air ejectors. | Servicing of suction relief valves of T-BFPs / M-BFPs / CEPs / LPHs / HPHs and safety valves of main air ejectors. |
| 14 | Servicing of motor operated/control & isolation valves installed on LP lines. Size: 25~100mm, Pr. <40 Kg/cm2. | Servicing of motor operated/control & isolation valves installed on LP lines. Size: 25~100mm, Pr. <40 Kg/cm2. |
| 15 | Servicing of motor operated / control & isolation valves installed on LP lines. Size: 150~200mm, Press<40 Kg/cm2. | Servicing of motor operated / control & isolation valves installed on LP lines. Size: 150~200mm, Press<40 Kg/cm2. |
| 16 | Servicing of motor operated/control & isolation valves installed on LP lines. Size: 250~650 mm, Press<40 Kg/cm2. | Servicing of motor operated/control & isolation valves installed on LP lines. Size: 250~650 mm, Press<40 Kg/cm2. |
| 17 | Servicing of mannual operated gate/globe valves & NRVs installed on LP lines. Size: 15~100mm, Pr. <40 Kg/cm2. | Servicing of mannual operated gate/globe valves & NRVs installed on LP lines. Size: 15~100mm, Pr. <40 Kg/cm2. |
| 18 | Servicing of mannual operated gate/ globe valves & NRVs installed on LP lines. Size:150~350mm, Press<40 Kg/cm2. | Servicing of mannual operated gate/ globe valves & NRVs installed on LP lines. Size:150~350mm, Press<40 Kg/cm2. |
| 19 | Servicing of mannual operated gate/ globe valves & NRVs installed on LP lines. Size: 400~650mm, Press < 40 Kg/cm2. | Servicing of mannual operated gate/ globe valves & NRVs installed on LP lines. Size: 400~650mm, Press < 40 Kg/cm2. |
| 20 | Servicing of steam drain trap valve. Size: 40~50mm, Pr. < 40Kg/cm2. | Servicing of steam drain trap valve. Size: 40~50mm, Pr. < 40Kg/cm2. |
| 21 | Revisioning/ Servicing of Butterfly valves installed on ACW System & Gland steam system.Size:150~350mm. | Revisioning/ Servicing of Butterfly valves installed on ACW System & Gland steam system.Size:150~350mm. |
| 22 | Revisioning / Servicing of Butterfly valves of ACW System. Size: 450~750mm | Revisioning / Servicing of Butterfly valves of ACW System. Size: 450~750mm |
| 23 | Revisioning / Servicing of NRVs installed on ACW System. Size: 500mm. | Revisioning / Servicing of NRVs installed on ACW System. Size: 500mm. |
| 24 | Revisioning / Servicing of NRVs installed on SRW System. Size: 750mm. | Revisioning / Servicing of NRVs installed on SRW System. Size: 750mm. |
| 25 | Servicing of gear boxes of various valves installed on ACW System, feed water, condensate & steam line. Valve Size: 100~750 mm. | Servicing of gear boxes of various valves installed on ACW System, feed water, condensate & steam line. Valve Size: 100~750 mm. |
| 26 | Servicing of gear boxes of various valves provided at condenser inlet & outlet in CW line and BFP-T exhaust to condenser. Valve Size: 1350-2100 mm. | Servicing of gear boxes of various valves provided at condenser inlet & outlet in CW line and BFP-T exhaust to condenser. Valve Size: 1350-2100 mm. |
| 27 | Revisioning/Servicing of butterfly valves of BFP-T exhaust to condenser. Size:1350 mm. | Revisioning/Servicing of butterfly valves of BFP-T exhaust to condenser. Size:1350 mm. |
| 28 | Revisioning/Servicing of butterfly valves provided at condenser inlet & outlet in circulating water line. Size:2100 mm. | Revisioning/Servicing of butterfly valves provided at condenser inlet & outlet in circulating water line. Size:2100 mm. |
| 29 | Welding/repair of LP pipings attending leakages of pipe lines & headers etc. by cutting the damaged portions. | Welding/repair of LP pipings attending leakages of pipe lines & headers etc. by cutting the damaged portions. |
| 30 | Revisioning / Servicing of Ventilator valve. | Revisioning / Servicing of Ventilator valve. |
| 31 | Replacement of flange type gate/globe valves of M-BFP & T-BFP oil coolers / LP lines Size: 80 -100 mm | Replacement of flange type gate/globe valves of M-BFP & T-BFP oil coolers / LP lines Size: 80 -100 mm |
| 32 | Replacement of butt welded gate/globe valves of M-BFP & T-BFP oil coolers/LP linesSize: 80-100 mm | Replacement of butt welded gate/globe valves of M-BFP & T-BFP oil coolers/LP linesSize: 80-100 mm |
| 33 | Revisioning/Servicing of NRVs installed on sump pump pipe lines on Turbine side. Size: 50-100 mm. | Revisioning/Servicing of NRVs installed on sump pump pipe lines on Turbine side. Size: 50-100 mm. |
| 34 | Revisioning / Servicing of Ball Collector of Condenser Tube Cleaning System. | Revisioning / Servicing of Ball Collector of Condenser Tube Cleaning System. |
| 35 | Inspection/minor repairing of ball catch strainer of condenser tube cleaning system installed inside CW return line of size:2100 mm | Inspection/minor repairing of ball catch strainer of condenser tube cleaning system installed inside CW return line of size:2100 mm |
| 36 | Revisioning/Servicing of ball type valves installed on condenser tube cleaning system on Turbine side. Size:15-40 mm. | Revisioning/Servicing of ball type valves installed on condenser tube cleaning system on Turbine side. Size:15-40 mm. |
| 37 | Revisioning/Servicing of ball type valves installed on condenser tube cleaning system on Turbine side. Size: 65 -100 mm. | Revisioning/Servicing of ball type valves installed on condenser tube cleaning system on Turbine side. Size: 65 -100 mm. |
| 38 | Inside inspection and minor repairing of HP/LP Flash Tanks. | Inside inspection and minor repairing of HP/LP Flash Tanks. |
| 39 | Inspection/Repairing of nozzle of starting air ejector. | Inspection/Repairing of nozzle of starting air ejector. |
| 40 | Replacement of HP / LP valves of different Floors by cutting of damaged valve & welding of new valve. Size: 40~65 mm. | Replacement of HP / LP valves of different Floors by cutting of damaged valve & welding of new valve. Size: 40~65 mm. |
| 41 | Inspection and O/H of nozzles of Steam Jet Air Ejector. | Inspection and O/H of nozzles of Steam Jet Air Ejector. |
| 42 | Inside inspetion of CW outlet duct by opening of its manhole | Inside inspetion of CW outlet duct by opening of its manhole |
| 43 | Revisioning / Servicing of HP Heater Bypass Valve BF-031-EGV | Revisioning / Servicing of HP Heater Bypass Valve BF-031-EGV |
| 44 | Revisioning / Servicing of Isolating valve for Superheater spray water SP-031-MGV | Revisioning / Servicing of Isolating valve for Superheater spray water SP-031-MGV |
| 45 | Replacement of Main Steam line drain / HPBP Spray valves & other similar valves of size Nb-80~100 mm, Pr. > 40 Kg/cm2, Temp. > 540 oC | Replacement of Main Steam line drain / HPBP Spray valves & other similar valves of size Nb-80~100 mm, Pr. > 40 Kg/cm2, Temp. > 540 oC |
| 46 | Putting the new Spool Piece for replacement of Main Steam line drain /HPBP Spray valves & other similar valves of size Nb-80~100 mm, Pr. > 40 Kg/cm2, Temp. > 540 oC | Putting the new Spool Piece for replacement of Main Steam line drain /HPBP Spray valves & other similar valves of size Nb-80~100 mm, Pr. > 40 Kg/cm2, Temp. > 540 oC |
| 47 | Replacement of LP Valves of size Nb-300 mm, Pressure rating < 40 Kg/cm2. | Replacement of LP Valves of size Nb-300 mm, Pressure rating < 40 Kg/cm2. |
| 48 | Putting the new Spool Piece for replacement of LP Valves of size Nb-300 mm, Pressure rating < 40 Kg/cm2. | Putting the new Spool Piece for replacement of LP Valves of size Nb-300 mm, Pressure rating < 40 Kg/cm2. |
| 49 | Replacement of LP Valves of Nb-350 mm, Pressure Rating < 40 Kg/cm2. | Replacement of LP Valves of Nb-350 mm, Pressure Rating < 40 Kg/cm2. |
| 50 | Putting the new Spool Piece for replacement of LP Valves of Nb-350 mm, Pressure Rating < 40 Kg/cm2. | Putting the new Spool Piece for replacement of LP Valves of Nb-350 mm, Pressure Rating < 40 Kg/cm2. |
| 51 | Replacement of LP Valves of Nb-250 mm, Pressure Rating < 40 Kg/cm2. | Replacement of LP Valves of Nb-250 mm, Pressure Rating < 40 Kg/cm2. |
| 52 | Replacement of Heater Level Control Valves, isolating valves & NRVs of Pressure Rating < 40 Kg/cm2. | Replacement of Heater Level Control Valves, isolating valves & NRVs of Pressure Rating < 40 Kg/cm2. |
| 53 | Attending Feed Water Leakage in HP Heater’s | Attending Feed Water Leakage in HP Heater’s |
| 54 | Overhauling /Servicing of LP Heaters | Overhauling /Servicing of LP Heaters |
