tender for O/h Work Of Valves, Heaters ,Aux. Prds , Deaerator Etc. And Spray Painting Of Turbine, Condenser, Heat Ex. Pipeline, Pumps Etc. Unit 11Th Of Tmd-I,Of 3X200mw, Btps, Obra, 1 OVERHAULING OF SPECIAL VALVE. 2 Main steam line valve i.e. V2-6 (L/R) 3 By pass valve of MSV and other line valve, i.e. V2-27/V2-15. 4 Extraction motorized valve i.e. ES-3/4/6/7 5 Feed line valve with their by pass valve i.e.V2-82/V2-83/V2-84 / V2-81-A/ V2-81-B/V2-81-C 6 Drip line gate valve i.e. HD-21/ HD-29/ HD-30 / HD-31 7 NRV of H.P. Heater & feed pump. 8 Group protection valve of HPH 9 Motorized valve connected to condenser i.e. DW-4/37/38/39/40/41 /CA – 5 10 O/H of CST Makeup valve i.e. V6-60 11 O/H of AS-48 valve. 12 O/H of NRV of extraction line ES-8 13 O/H of suction valve of BFP 14 Condensate water throw off valve to condenser (L/R) 15 Steam throw off valve to condenser (L/R) & steam isolating valve of LPH-2 16 Steam isolating valve of LPH – 3/4 17 O/H OF SAFETY VALVE: 18 O/H of Aux. PRDS & deaerator 19 O/H of H.P. Heater 20 O/H of L.P. Heater 21 O/H of CBD expender tank 22 O/H of flange & stud heating line. 23 O/H of worm up line 24 O/H OF ACTUATOR / GEAR BOXES. 25 AS – 48 Valve. 26 Feed line valve i.e. V2-81/ V2-82/V2-83 / V2-84 27 MSV by pass valve V2-7 / othervalve i.e. V2-15/ V2-27 28 Drip line vale / extraction line valve 29 Valve connected to condenser 30 CST make valve 31 Main steam line stop valve MSV (L/R) 32 Actuator of steam isolating valve to LPH, 2/3/ 4 33 Actuator of steam through of valve to condenser (L/R) 34 CUTTING /WELDING /REPLACEMENT OF H.P. VALVE 35 Size – 15 to 50mm 36 Size – 51 to 100mm 37 Size – 101 to 150mm 38 Size – 151 to 300mm 39 Blanking of CRH line flange for H.T. ofre-heater & normalizing their after hydraulic test of re-heater 40 O/H of H.P. Valve NRV in H.P. Line 41 O/H of L.P. Valve NRV 42 O/H of energy absorber of BFP 43 O/H of DSS of Aux. PRDS. 44 O/H of butterfly valve of condenser inlet/outlet in position. 45 Complete O/H of deaerator & FST along with internal painting. 46 Repair/replacement of broken hanger. 47 Tightening of loose hangers. 48 CUTTING /WELDING /REPLACEMENT OF L.P. VALVE 49 Size – 15 to 50mm 50 Size – 51 to 100mm 51 CUTTING /WELDING /JOINT OF H.P. PIPE 52 Size – 15 to 50mm 53 Size – 51 to 100mm 54 Size – 101 to 150mm 55 Size – 151 to 300mm 56 Lifting and straightening of Aux. PRDS common header line system by cutting / welding /replacement of bends pipe at14meter. 57 O/H of LPH – 1A /1B 58 O/H of LPH 2/3 /4 59 O/H and attending flange leakage of GC – I / GC – II 60 Cleaning of filter of lub oil cooler of turbine / H2 Gas Cooling filter 61 REPLACEMENT OF OLD DAMAGED / SPECIAL VALVE WITH NEW / REPAIRED VALVE BY WAY OF CUTTING WELDING. 62 V2 – 38 valve 63 V2 – 27 valve 64 O/H of turbine oil coolers (cleaning / checking of tube leakage of cooler of main tube.) 65 O/H of main ejectors of turbine. 66 O/H of H.P. Heater. 67 O/H of control valves i.e. LCV-3/4/5/6/7/8A/8B/9/10/11/12/15/PCV-5/ 14/16/17/TCV-8. 68 Cutting / replacement of old & damaged bend of LPH drip line connected to drip pump/ condenser. 69 Cutting of old / damaged bend of HPH drip line connected to deaerator & re-welding by new bend by H.P. welding technique. 70 Double coat painting with synthetic enamel paint along with one coat primer of red oxide of I.S.I. specification of various pumps, hydraulic coupling, heat exchanger, lube oil cooler, working oil cooler, pipeline valve of turbine side of unit no. – 09, 3X200MW, BTPS, Obra. 71 BCW pipe lines, working oil coolers, lube oil cooler line of BFP system, seal water cooling line and other associated pipe line of condensate pup/ BPF drip pump etc., BCW direct line, hot well make up pumps line, CW Booster line and site various valve, stator water pumps, cooling pumps & its lines valve, CST make up line vale, overhead BCW line valve , cooling tower pipeline and CW pipe line etc. BFP cooling line, main header of CLCT, CW inlet and outlet pipe of condenser and their valve. 72 Condensate storage tank, BCW tank stator water cooling tank, condensate recovery tank, BCW overhead tank and associated pipe and their valve. 73 Hydraulic coupling of BFP, stator water heat exchanger, CW Heat exchanger, BCW heat exchanger, BCW heat exchanger and oil cooler of turbine side including hot well make up pump seal coolers lubs oil coolers of BFP and its associated pipe lines and valves. 74 Air washer fans pumps, pipelines connecting valves, plate forms railing of condensate pumps and its pedestal railing plat forms of phosphate and hydrazine pumps and other miscellaneous structures of turbine side. 75 Double coat synthetic super enamel anticorrosion paint of different color by spray machine in accordance with specified color after single red oxide. 76 Spray painting of L.P. Cylinder 77 Spray painting of front pedestal & bearing gear housing of turbine 78 All bearing & barring gear housing of turbine 79 Control valve casing camshaft 80 Condenser (including inlet & outlet pipe line) 81 Main oil tank 82 Main ejector 83 Lube oil cooler (05 Nos.) 84 Centrifuging machine 85 Letter writing 2” size dia letter in turbine side equipment name of 3X200MW.
