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CTN :39970908

30 Apr, 2025 NA

Durg - Chhattisgarh

Tender For custom bid for services - 30 mw & 14 mw tg miscellaneous works at nspcl-bhilai power plant-2- 10.10 tmstu61bd000 steam tur(bearing pedestal)attend defect: 1. take permit to work from concerned person., 2. remove control valve linkages, oil piping and other connections from the pedestal., 3. remove front pedestal top cover., 4. clean front pedestal housing., 5. take measurement as per instruction of eic. (involves checking of pinion shaft/gear, assembly, main oil pump gear wheel, gov. assembly & checking the backlash of gears.), 6. attend the defect/trouble shoot the problem in front pedestal as per instruction of eic., this includes the following work beside defect attending as per instruction of eic., 7. dismantle pinion shaft and record the alignment w.r.t to the gov. assembly., a) dismantle mop (main oil pump) bearings and gear., b) do servicing of mop and replace damaged items., c) dismantle governor assembly (consists of gop-governing oil pump and other, elements)., d) do servicing of gop and replace damaged items., e) assemble mop and governor assembly., f) put governor assembly in position., g) do alignment of the pinion shaft w.r.t to governor assembly., h) put electronic over speed shaft (pinion shaft) in position., i) put mop assembly in position., j) record backlash of gears and if requires, do adjustment., 8. measure the clearances of first three rows of oil gland fins & its servicing, 9. assembly of oil gland segments (new or old) and setting of clearances., 10. after the work, box up front pedestal top cover., 11. link control valve linkages, oil piping etc., 12. do rig test for setting governing characteristics., 10.20 tmstu56oh000 steam tur (bearings) serv- 1. take permit to work from concerned person., 2. remove control valve linkages, oil piping and other connections from the pedestal., 3. remove front pedestal top cover., 4. check bearing interference, toc, soc etc., 5. remove turbine front bearing top & bottom halves., 6. do the dpt and ut of turbine bearing., 7. check thrust bearing pads and do dpt, ut and blue matching., 8. check toc, soc, bearing interference of bearing after servicing., 10.30 tmstu01bd794 steam tur (<=30mw#) repl-gland- 1. removal of first 2 rows of hp front steam gland segments., 2. servicing of (new or old) gland segments and springs., 3. measurement of dimensions and machining of gland segments if required., 10.40 tmtgs01bd701 turbine gov. sys (<=30mw#) maintenance- i) attending passing defect in four nos. steam control valves, ii) servicing of two nos. hydraulic servomotors (including relay gear) of control valves, iii) inspection & servicing of speed governor and setting its governor characteristics (rig test)., iv) inspection & servicing of cies valve (left & right)., 1. ensure ptw from concerned person., 2. breaking of insulation around steam control valves & removal of debris from site., 3. dismantle linkages and decouple all four nos. control valves from spring box assembly, 4. remove spring box assembly from position., 5. dismantle bonnet bolts & remove all four control valves., 6. check blue contact / kerosene test of plug with respective seats., 7. do lapping of all control valves, replace plug/other components, if required., 8. assemble all control valves and tighten bonnet bolts., 9. servicing of cies valves (left & right), 10.servicing of spring box assembly hinges & pins etc., 11.place spring box assembly & couple all control vales with spring box., 12. servicing of two nos. hydraulic servomotors of control valves., 13. servicing of primary relay oil cylinder for checking for excessive draining of oil. replacement of relay gear power, piston if needed., 14. servicing of secondary relay., 15. servicing of linkage., 16. replacement of steam leak-off and impulse line pipes as per eic instruction. dp test of welding joints are to be, carried out., 17. inspection of speed governor, assessment of its component s healthiness, repl

CTN :39855481

21 Apr, 2025 NA

Mumbai - Maharashtra

Tender For corrigendum : supply of b and d spares of helo inflight fueling rig (hifr) - b&d spares ro palnt, gasket, circlip, spring, spg. washer/bonded seal, valve seal, spindle seal, spring, o ring, plain washer, seal, o ring, spring, o ring, spring retainer, circlip, stiff nut m6, plain washer, o ring, circlip, gasket, spring, circlip, o ring for piston, o ring for sleeve, o ring for bracket, diaphram, gasket for top flange, bonded seal, thread seal tape, locking pin/screw, o ring, o ring for top flange, o ring, bonded seal (popet seal), sealing ring, spring, circlip, spring, spring washer, valve seal, spring, spindle seal (bonded), seal, circlip, shim, o ring, spring, o ring, seal, gasket, seal, circlips, o ring, gasket, o ring, stainer, seal, gasket, gasket, o ring, o ring, o ring, spring, spring, o ring, earthing cable, teflon seal, gasket, gasket, pressure gauge, sealing ring for nozzel, sealing ring, o ring, hex head screw, o ring, oil seal, gasket, grease nipple, bolt assy., gasket, stainer, elbow assembly, lifting eye, screwed pin, lbc nozzel assembly, spider, spindle, spring retainer, valve half (inner), valve half (outer), valve tube, plunger housing, punger with head, taper pin, allen bolt, stiff nut, sinker weight assy., balls, retainer, shim, lbc adaptor assy., spindle, spider, coller, nr valve assy., spider, valve, retainer, spindle, retainer, long hose 50mm nb x 30 mtrs. long, o ring, sleeve, union, hose end pressure controller with staine, piston, piston rod, support plate, lock nut for piston, allen bolt, allen bolt ( body cover ), air connecting nipple, pressure gauge for air, pressure gauge for oil, allen bolt for sleeve, allen bolt, sleeve, special bolt, special screw, bush for spindle boss, spindle, pinion, sealing nut, spindle nut, allen bolt, allen bolt, adaptor assembly, bolt m6, 3-lug adaptor (m), plain washer, allen bolt, spindle, spring retainer, pressure plate, allen bolt, upb nozzle assembly, spider, spindle, plunger housing, spacial bolts, ball, stiff nut, washer, hook, spider, upper elbow assembly, vent valve body, nr valve assy., spindle, popet, spring, swivel price (swivel coupling assu.), adaptor, union, ball, short hose (3 mtrs ) with end connection, union, adapter assy., hose reel assy. (without hose), aircraft coupling, swivel adapter, valve retainer, 3-lug adaptor (f), valve, handle, thrust plate, cam follwer, roller for pin, allen bolt, allen screw, allen screw, screwed pin, screw, spherical balls, screw, screw, guard ring (hood), pressure blank (protecting cover assy.), allen bolt, chain for pressure blank, lower deck coupling, quick acting coupling body (m), union, quick acting coupling body (f), pull off tester (test rig) (test kit for, hydraulic pump, open shut cock, fule flow meter, tapper roller bearing, adapter gasket, 1-1/2n bsp male adaptor (union), rfuleling / trigger nozzle (1-1/2m), defueling nozzle(1-1/2m), shakle point (liftring eye ), locking mechanism for hose end pr.contro, rack, cam coupling

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