43351587
bids are invited for custom bid for services 200131813 biennial contract for mechanical maintenance of chp system equipment ntpc kanti, 10.10. ( fhcpl00bd800 ) coupling ( <> ) replacement coupling replacement. for measurement purpose any one of the following will be treated as one unit. replacement of fluid coupling ‘or’ conveyor drive brake drum ‘or’ gear box cooling fan or flexible coupling a ) shifting of new / repaired fluid coupling / brake drum / cooling fan / flexible coupling at site. b ) decoupling of fluid coupling / dismantling of thruster brakes ( if required ) and shifting of motor to the required place. c ) removal of fluid coupling / brake drum / cooling fan / flexible coupling from motor / gear box. d ) mounting of new / repaired fluid coupling / brake drum / cooling fan / flexible coupling, placement of motor and oil filling in coupling if required. e ) coupling of the drive and system normalization after the alignment. f ) trial run and defect rectification, if any fluid coupling dis mounted after dismantling then assembling of coupling after defective part replacement is in the scope of the contractor without any extra claim. g ) shifting of old fluid coupling / brake drum / cooling fan at chp workshop or as per direction of engr in charge. h ) if brake drum, cooling fan and flexible coupling replaced at a time, no extra payment will be made. it will also be applicable for removal & remounting of couplings. i ) cutting / welding required for the job comes under contractor’s scope. 10.20 ) . ( fhiid00bd800 ) impact idlers ( <> ) repl. idlers repl. / screw take up tightening and loosening / idler frame repl. / scrapper repl. / deck plate repl. replacement of rollers / idlers: [ for payment purpose replacement of total no. of rollers / idlers in one frame carrying / return will be treated as one unit. ] a ) replacement of any rollers / idlers in chp comes under this. b ) shifting of new / repaired rollers / idlers at site and fixing at required place. c ) shifting of old / damaged rollers / idlers to chp workshop / chp scrap yard. d ) if more than one rollers / idlers are replaced in same frame simultaneously, it will be treated as one unit. ‘or’ for measurement purpose any one of the following will be treated as one unit. screw take up loosening and tightening: a ) it includes all screw take ups in chp conveyors. b ) loosening of screw take up as per requirement and retightening it as per direction. or replacement of idler frame: a ) replacement of any idler frame in chp comes under this. b ) shifting of new / repaired idler frame at site and fixing at required place. c ) shifting of old / damaged idler frame to chp workshop / chp scrap yard. d ) if idlers are also replaced during frame replacement, no extra payment will be made. e ) cutting / welding required for the job comes under contractor’s scope. ‘or‘ scrapper replacement: a ) removal of worn out rubber, making new rubber from old conveyor belt / rubber sheet, as per requirement. b ) fixing of rubber in scraper and reinstallation on the conveyor. c ) cutting / welding required for the job comes under contractor’s scope. ‘or‘ replacement of deck plate ( 01. no ) : a ) removal of existing plate after removing the idlers & frames as required. b ) shifting of new deck plate ( including wooden one ) at site & fixing it. c ) normalization of the system. d ) cutting / welding required for the job comes under contractor’s scope. 10.30 ) . ( fhg / b58bd800 ) gear boxes ( hold back ) repl ( 6 hrs ) gear box hold back replacement / fluid coupling oil replacement / decoupling and coupling of gear coupling / thruster replacement / thruster overhauling gear box hold back replacement: a ) replacement of hold back of any conveyor gear box in chp comes under this. b ) shifting of new / repaired hold back from chp store / central store / central workshop to site. c ) removal of old hold back from gear box and fixing of new hold back. d ) trial run and defect rectification, if any. e ) shifting of old hold back to chp workshop. for payment purpose one g box hold back repl. will be treated as one unit. ‘or’ fluid coupling oil replacement: a ) oil replacement of any fluid coupling in chp comes under this. b ) removal of coupling guard, opening of fusible plug / filling plug and draining of oil in a can & shifting it to chp scrap yard. c ) shifting of oil at site & filling in the fluid coupling up to specified angle. d ) fitting the fusible plug / filling plug, fixing of coupling guard. for payment purpose two fluid coupling oil replacements will be treated as one unit. ‘or‘ decoupling and coupling of gear coupling ( after greasing ) : a ) this covers all gear couplings being used in chp. for payment purpose decoupling and coupling of gear coupling of one gear coupling will be treated as one unit. ‘or thruster replacement: a ) replacement of any thruster ( except stacker rail clamp ) in chp comes under this. b ) shifting of new / repaired thruster at site. c ) removal old thruster and fixing of new one, stroke adjustment as per requirement. d ) shifting of old thruster to chp workshop. e ) trial run and defect rectification if any for payment purpose one thruster repl. will be treated as one unit. ‘or’ thruster overhauling: a ) this covers for any thruster being used in chp b ) dismantling of thruster as per direction of area engr. c ) replacement of damaged part as per direction & reassembling. d ) oil filling and testing for smooth operation. for payment purpose one thruster overhauling will be treated as one unit. 10.40 ) . ( fhp / c12bd800 ) pulley / coupling ( nde brg ) repl servicing of fluid coupling / replacement of conveyor non drive end bearing / plumber block for measurement purpose any one of them will be treated as separate unit. servicing of fluid coupling: a ) this covers any fluid coupling being used in chp. b ) dismantling of fluid coupling as per direction. c ) replacement of defective parts of fluid coupling as per direction and re assembling. d ) testing of oil leakage by filling oil. defect rectification, if any. ‘or’ replacement of conveyor non drive end bearing / plumber block: a ) it includes any bearing / plumber block of any pulley including gtu / bend / snub / drive pulley of any conveyor in chp. b ) belt clamping, take up lifting & lowering will be in the scope of this contract. c ) shifting of new bearing / plumber block at site. d ) opening and removal of plumber block / bearing form the pulley. e ) mounting of new bearing on the pulley and fixing of plumber block and greasing bearings. f ) if required bearing of non drive pulley will also be replaced. g ) system normalization. trial run and defect rectification, if any. h ) if plumber block is replaced at the time of bearing replacement, no extra payment will be made. 10.50 ) . ( fhcht51bd800 ) chutes ( skirt rubber ) repl skirt rubber replacement / shifting of oil / lubricant drums skirt rubber replacement: a ) replacement of rubber of any skirt comes under this, if skirt is damaged. b ) opening of skirt rubber clamp and removing of worn out rubber. c ) making the new skirt rubber, from old conveyor belt / skirt rubber sheet, as per requirement. d ) fixing of new rubber in frame & mounting it on the skirt and trial run for leakage arresting. e ) for measurement purpose, for measurement purpose one metre or part will be taken as one unit. ‘or’ shifting of oil / lubricant drums from central stores or any other place inside plant to chp store and vice versa: a ) it includes shifting of filled oil / grease drums from central stores or any other place inside plant to chp store and vice versa. b ) shifting of one drum will be taken as one unit. c ) transportation arrangement is to be arranged by the contractor. 10.60 ) . fhp / c52bd800: conv pulleys ( <> ) ( non drive ) repl conv pulleys ( non drive ) repl / replacement of take up pulley / replacement of conveyor pulley bearing / plumber block ( drive end ) / gear coupling replacement ( one pair ) a ) replacement of all non drive pulley including snub pulley, bend pulley, tail pulley and tail snub pulley comes under this. b ) shifting of new / repaired pulley from chp store / central store / central workshop to site. c ) belt clamping, take up lifting and lowering will be in the scope of this contract. d ) removal old pulley, bearings and plumber block from the old pulley. e ) mounting of bearings and plumber blocks, on the new pulley. f ) placement of new pulley on position and alignment with the system. g ) system normalization trial run and defect rectification, if any. h ) shifting of old pulley to chp workshop / central workshop. ‘or’ replacement of take up pulley: a ) replacement of take up pulley of any conveyor comes under this. b ) shifting of new repaired pulley at site. c ) belt clamping, take up lifting and lowering will be in the scope of this contract. d ) cutting the conveyor belt at the required place if required and removal of old pulley from foundation. e ) removal of bearings / plumber blocks of pulley. f ) mounting of bearings and plumber blocks on the new pulley. g ) lifting of new pulley and mounting it on the foundation. h ) pulling of conveyor belt and belt joint will not be in the scope of this contract. i ) system normalization, trial run & defect rectification, if any. j ) shifting of old / damaged pulley to chp / central workshop. ‘or’ replacement of conveyor pulley bearing / plumber block ( drive end ) : a ) decoupling of gear box and shifting it to the required place. b ) removal of low speed side coupling half. c ) belt clamping, take up lifting and lowering will be in the scope of this contract. d ) drive pulley lifting and removal of plumber block / bearings. e ) shifting of new bearing / plumber block and mounting it on the pulley. greasing of bearing. f ) system normalization, placement of gear box and alignment. g ) trial run and defect rectification, if any. h ) if plumber block is replaced at the time of bearing replacement, no extra payment will be made. ‘or’ gear coupling replacement ( one pair ) : a ) replacement of any gear coupling of any conveyor belt comes under this. b ) shifting of new / repaired gear coupling at site. c ) removal of coupling guards, decoupling of gear box from both high speed side and slow speed side. shifting of motor and gear box at required place and removal of gear coupling after dismantling of thruster brake, if required. d ) mounting of new gear coupling, placement of gear box at foundation. e ) normalization of system after alignment, for alignment. f ) trial run and defect rectification, if any. g ) shifting of old gear coupling to chp workshop. h ) cutting / welding required for the job comes under contractor’s scope. 10.70 ) . ( fhcnp00bd800 ) conv pulleys ( <> ) repl replacement of drive pulley: a ) replacement of drive pulley of any conveyor in chp ( except coal / sampler ) comes under this. b ) shifting of new / repaired pulley from central store / chp store / central workshop to site. c ) belt clamping, take up lifting and lowering will be in the scope of this contract. d ) decoupling the gear coupling and removal of drive pulley after opening and removal of discharge hood. e ) removal of gear coupling, bearing & plumber blocks. f ) mounting of gear coupling, bearings and plumber blocks on the new pulley. g ) placement of new pulley on position & alignment of the pulley with gear box to the satisfaction of engr. in charge. h ) system normalization trial run & defect rectification, if any. i ) shifting of old pulley to chp workshop / central workshop 10.80 ) . ( fhpcc53bd800 ) crushers ( hammers ) repl replacement of full set hammers replacement of full hammers: a ) weighing of new hammers, weight balancing and shifting them to the site after internal inspection of crusher. b ) removal of hammers from the crusher and replacement of new hammers as per direction of area engineer or his representative. c ) shifting of old hammers to chp scrap yard. d ) any cutting / welding required will be in scope of contractor. 10.90. ( fhscc11bd001 ) cr hammer attend breakdown repl. of hammers in two opposite rows for measurement purpose any one of the following will be treated as separate unit. repl. of hammers in two opposite rows: a ) weighing of new hammers, weight balancing and shifting them to the site after internal inspection of crusher. b ) removal of broken / worn out hammers from the crusher and replacement of new hammers as per direction of area engineer or his representative. c ) shifting of old hammers to chp scrap yard. d ) any cutting / welding required will be in scope of contractor. 10.100 ( fhgzf17bd800 ) grizzly feeders ( shaft assly. ) repl replacement of g.f. shaft / replacement of crusher kick off plate replacement of g.f. shaft ( one no. of shaft ) : a ) removal of guards, universal coupling / cardoon shaft & counter weight. b ) removal of bearings and bearing housings at d.e. & nde c ) shifting of new g.f. shaft to site. d ) removal of old shaft and fixing of new shaft. e ) mounting of bearing housings on the new shaft / replacement of bearing housing if required. f ) remounting of counter weight, universal coupling and their guards. g ) greasing, trial run and defect rectification, if any. h ) shifting of old / damaged g.f. shaft to chp workshop / chp scrap yard. ‘or’ replacement of crusher kick off plate: a ) shifting of kick off plate at site from central store / site store. b ) removal of crusher top cover / side liners if required. c ) opening of kick off plate bolts and removal of frame fill piece. d ) fixing of new frame fill piece, tightening of bolts up to required torque / welding if required. e ) normalization of system. trial run and defect rectification. f ) shifting of old frame fill piece to chp scrap yard or as per direction. 10.110. ( fhvbf00bd000 ) vibro feeders ( <> ) attend defect vibro feeders attend defect / tightening of breaker plate bolt for measurement purpose any one of the following will be treated as separate unit. ( 1 ) . remove the worn out / broken tray from the position. ( 2 ) . replace the same with the new tray / repaired tray with new / same tie rod / tie rope assembly and do proper alignment. ( 3 ) any other minor work like patch work in chute and adjustment in hopper / chute to maintain the freeness of tray with chute etc as per direction of eic. 4 ) take trial after adjusting the tray. 5 ) declination angle adjustment of the as per the direction of eic. 6 ) unbalanced weight adjustment work as per the direction of eic. 7 ) replacement of vibro feeder pedestal spring ‘or’ tightening of breaker plate bolt after welding of head: a ) welding of head of one breaker plate bolt as per requirement. b ) tightness checking of bolt and locking of nuts. c ) any cutting / welding required will be in the scope of the contractor. d ) for measurement purpose tightening of bolt of one breaker plate will be treated as one unit. e ) for welding of heads of breaker plate bolts, e7018 1 electrodes will be supplied by kbunl free of cost. 10.120. ( fhscc17bd800 ) crushers ( rotor assly ) repl crushers ( rotor assly ) repl for measurement purpose any one of the following will be treated as separate unit. replacement of crusher rotor: a ) shifting of new rotor from central store / any other store to crusher floor b ) decoupling of slow speed coupling and removal of pin bush. c ) removal of crusher cover, front side housing, tramp iron tray, plumber block bolts, side liners, hood, chute etc. d ) removal of all hammers and suspension bars. e ) lifting up the rotor and placement at a safe place. f ) removal of coupling half and bearings from rotor. g ) lower the new rotor into position after mounting of bearings, plumber blocks and coupling half. box up in reverse order. h ) check and correct misalignment of slow speed side. i ) balancing of hammers & mounting ( replace full set of hammers if required ) , system normalization, trial run and defect rectification, if any. j ) shifting of old rotor to chp scrap yard. k ) replacement of defective side liners, repairing of ‘v’ shaped deflector plate and other plates if required, also to be done without any extra financial implication. l ) any cutting / welding required for this job will be in the scope of contractor. m ) for welding of heads of liner bolts, breaker plate bolts, screen plate bolts e7018 1 electrodes will be supplied by kbunl free of cost. ‘or’ replacement of g.f. deck side walls ( 01 set =02nos ) : a ) shifting of 02 no. deck side walls from kbunl stores to site. b ) dismantling of bearing housings, bypass chute, side skirt, shaft tubes, spring units, removal of damaged deck side walls after proper supporting of skirts & decks. c ) fixing of new deck side walls & re installation of all dismantled parts. d ) removal of all supports. system normalization, trial run & defect rectification, if any. e ) shifting of damaged deck side walls to chp scrap yard. f ) if only 01no ( one ) g f deck side wall is replaced, 50% payment will be made. b ) cutting / welding required for the job comes under contractor’s scope. 10.130. ( fhpcc52bd800 ) crushers ( screen plate ) repl crushers ( screen plate ) repl / breaker plate / kick off plate / replacement of crusher d.e. bearing / plumber block for measurement purpose any one of the following will be treated as separate unit. replacement of crusher screen plate / breaker plate / kick off plate : a ) shifting of screen plate / breaker plate / kick off plate at site from central store / site store. b ) removal of crusher top cover. c ) opening of screen plate / breaker plate / kick off plate bolts and removal of the same. d ) fixing of new screen plate / breaker plate / kick off plate , tightening of bolts up to required torque / welding if required. this includes fixing of site make screen plates also. e ) normalization of system. trial run and defect rectification. f ) shifting of old screen plate / breaker plate / kick off plate to scrap yard or as per direction. g ) if both upper & lower screen plates are replaced simultaneously, it will be treated as one unit. i ) all allied activity related with screen plate replacement, including cutting / welding or preparation of jig fixtures comes under contractor’s scope. ‘or’ replacement of crusher d.e. bearing / plumber block : a ) shifting of new bearing / plumber block at site. b ) decoupling of gear box from slow speed side and high speed side. c ) removal of flexible coupling half. e ) opening of shaft seal covers on both sides. f ) loosening of both side plumber block bolts and its top cover. g ) removal of top cover of crusher. h ) removal of side liners above the end discs on both sides. i ) lifting of rotor and removal of plumber block and bearing ( de ) . j ) mounting of new bearing correctly and adjusting the clearance to the specified value. k ) placement of plumber block and lowering of rotor. l ) boxing up in reverse order. m ) mounting of coupling, placement of g / b. alignment of rotor with gear box. n ) system normalization and trial run and defect rectification, if any. o ) shifting of old bearing / plumber block to chp scrap yard. p ) cutting / welding required for the job comes under contractor’s scope. q ) if bearing and plumber block are replaced simultaneously no extra payment shall be made, if will be treated as one unit. 10.140. ( fhttr00bd000 ) travelling tripper ( <> ) attend defect travelling tripper rail structure supporting beam bolts tightening / miscellaneous jobs related to travelling tripper for measurement purpose any one of the following will be treated as separate unit. travelling tripper rail structure supporting beam bolts tightening: a ) it includes tightening all bolts of travelling tripper rail supporting beam, structural member, coupling bolts of tripper. or miscellaneous jobs related to travelling tripper such as scrapper adjustment, skirt fixing, eh brakes inspection and adjustment etc. 10.150. ( fhttr22gn808 ) travelling tripper ( tripper wheel ) realignment re railment of trippers : a ) dismantling of tripper bracings / str., as required. b ) lifting of tripper by mechanical means and placing it on the tripper rails. c ) re assembling of all supporting str. as per direction and system normalization. d ) trial run and defect rectification, if any. e ) any cutting / welding required for this job will be in the contractor’s scope. 10.160. ( fhttr00oh001 ) travelling tripper ( <> ) oh overhauling of tripper hand brake / manual brake / ilms pulley bearing flange replacement / flap gate flange bearing replacement / crusher hammer pin replacement for measurement purpose any one of them will be treated as separate unit. overhauling of tripper hand brake / manual brake: a ) removal of damaged hand brake from position. b ) rectification / strengthening of fixing base plate / replacement of shoe etc. c ) refixing of hand brakes by welding / bolting. check for alignment / fouling with rails. e ) system trial run. defects rectification, if any, after trial run. ‘or’ ilms pulley bearing flange replacement ( nde ) a ) shifting of new bearing at site. b ) preparation of jig / fixtures for supporting the ilms. c ) removal of bearing / bearing flange. d ) system normalisation. trial run and defect rectification, if any. e ) if bearing flange is replaced while bearing replacement, it will be treated as one unit. f ) cutting / welding required for the job comes under contractor’s scope. ‘or’ flap gate flange bearing replacement: a ) removal of operating lever / counter weight lever. b ) shifting of new bearing at site. c ) removal of old bearing and mounting of new bearing and greasing. refitting of lever. d ) shifting of old bearing at chp scrap yard. e ) any cutting / welding work will be in the scope of the contractor. ‘or’ crusher hammer pin replacement : a ) opening of access door. opening of shaft seal / removal of pin retainer bolts. b ) shifting of new hammer pin at site, after weighing. c ) removal of damaged hammer pin and replacement with new one. replacement of the same on opposite side also. d ) crusher box up, trial run and defect rectification, if any. 10.170. ( fhttr00bd801 ) travelling tripper ( <> ) repair tripper rail joint welding. removal of old welding & welding as per requirement. welding electrode e7018 1 will be supplied by kbunl free of cost. for measurement purpose one centimeter will be treated one no. for payment purpose 01 cm will be treated as 01 no 10.180. ( fhilm56bd800 ) ilms / obms ( pulley brg ) repl ilms pulley bearing / bearing flange replacement ( de ) / flap gate actuator replacement / replacement of flap gate trunnion bracket for measurement purpose any one of them will be treated as separate unit. ilms pulley bearing / bearing flange replacement ( de ) : a ) shifting of new bearing at site. b ) preparation of jig / fixture for supporting the ilms. c ) removal of drive motor and gear box. removal of bearing / bearing flange. d ) fixing of new flanged bearing and mounting it on the pulley shaft. e ) assembling of the drive, alignment and system normalization. f ) trial run and defect rectification, if any. g ) if bearing flange is replaced while bearing replacement, it will be treated as one unit. h ) cutting / welding required for the job comes under contractor’s scope. ‘or’ flap gate actuator replacement: a ) shifting of new / repaired actuator at site. b ) removal of old actuator and fixing of new actuator. c ) shifting of old actuator to chp workshop. d ) operation checking of flap gate and defect rectification, if any. e ) overhauling of the replaced actuator. or replacement of flap gate trunnion bracket : a ) shifting of new / repaired trunnion bracket at site. b ) removal of old trunnion bracket and fixing of new trunnion bracket. c ) operation checking of flap gate and defect rectification if any d ) shifting of old trunnion bracket to chp workshop. 10.190. ( fhg / b54bd800 ) gear box ( gear replacement ) full set of gear box internals replacement: a ) it includes replacement of full set of internals of any gear box of any drive in c.h.p. b ) shifting of new / repaired gear box internal from chp store / central store / central workshop. c ) decoupling of gear box from h.s. & low speed side & shifting of motor and removal of fluid coupling, if required. d ) dismantling of gear box top cover, end covers etc and removal of its internals and removal of slow speed side coupling half. e ) mounting of coupling half / bearing on shaft and assembling of shafts in the gear box and checking for proper matching. f ) box up of gear box, placement on foundation & placement of motor, replacement of defective oil seals, if required and oil filling up to the mark. g ) system normalization after alignment. h ) if removal & mounting of fluid coupling / flexible coupling half is required, payment will be done as per sl. no. 01 i ) trial run and defect rectification, if any. j ) shifting of old gear box internals to chp workshop / central work / scrap yard. k ) any cutting / welding work will be in the scope of the contractor. 10.200. ( fhg / b51bd800 ) gear boxes ( i / p shaft ) repl replacement of gear box input shaft / shaft bearings / oil seals / complete gear box / replacement of output shaft for measurement purpose any one of them will be treated as separate unit. replacement of gear box input shaft / shaft bearings / oil seals / complete gear box: a ) replacement of input shaft / shaft bearing / oil seals of any gear box in chp comes under this. b ) shifting of shaft / shaft bearings / oil seals from central store / chp store / central store to site. c ) decoupling of input shaft from motor and shifting of motor to the required place. d ) removal of fluid coupling or brake drum / oil seals after dismantling of thruster brake, if required. e ) opening of gear box top cover etc and removal of the input shaft, oil seals, removal of bearings etc from the shaft. f ) mounting of bearings and hub on the input shaft, replacement of oil seals if required. g ) fixing of input shaft and also to be checked for proper matching with intermediate shaft. h ) box up of gear box in reverse order. i ) mounting of fluid coupling, & motor placement. j ) alignment k ) system normalization, trial run and defect rectification, if any. l ) cutting / welding required for the job comes under contractor’s scope. m ) shifting of old damaged shaft to chp scrap yard / central workshop. n ) if shaft, oil seals and bearings are replaced simultaneously, it will be counted as one unit only. or replacement of output shaft / shaft bearing / oil seals: a ) replacement of output shaft / shaft bearings / oil seals of any drive in c.h.p. comes under this. b ) shifting of new / repaired shaft / shaft bearings / oil seals at site and removal of coupling half c ) decoupling of gear box on slow speed side, removal of gear box top cover & end cover. d ) removal of output shaft / bearings / oil seals etc. e ) internal inspection & mounting of bearings and coupling half on the output shaft. f ) placement of the output shaft. g.box box up, and system normalization. replacement of defective oil seals, if required. g ) trial run and defect rectification, if any. h ) cutting / welding required for the job comes under contractor’s scope. i ) shifting of old damaged shaft / bearings to central workshop. / chp scrap yard j ) if shaft , oil seals and bearings are replaced simultaneously , it will be counted as one unit only. 10.210. ( fhg / b12bd800 ) gear boxes ( 10 50ltrs ) repl replacement of gear box oil : ( oil qty. < 50 ltrs. ) any of the following work is covered under this item. for measurement purpose any one of them will be treated as separate unit. replacement of gear box oil : ( oil qty. < 50 ltrs. ) a ) replacement of oil of any gear box comes under this having oil capacity more than 10 ltrs.. b ) shifting of oil / oil drums from chp store to the site. c ) draining of oil in a can and shifting it to chp scrap yard. d ) filling of oil in the gear box after flushing. normalisation of the system. or de coupling, coupling and alignment of ilms motor. 10.220. ( fhg / b13bd800 ) gear boxes ( 50 100 ltrs ) repl replacement of gear box oil : ( oil qty.> 50 ltrs. ) / replacement of cable reeling drum gear box for measurement purpose any one of them will be treated as separate unit. replacement of gear box oil : ( oil qty.> 50 ltrs. ) a ) replacement of oil of any gear box comes under this . b ) shifting of oil / oil drums from chp store to the site. c ) draining of oil in a can and shifting it to chp scrap yard. d ) filling of oil in the gear box after flushing. e ) normalisation of the system. ‘or’ replacement of cable reeling drum gear box : a ) replacement of crd gear box of travelling tripper comes under this .shifting of new / repaired gear box at site. b ) removal of motor after decoupling of coupling. removal of crd drum if required. c ) removal of gear box and removal of coupling half. d ) mounting of coupling half in new gear box. e ) placement of new gear box in position re assembling of motor. f ) trial run and defect rectification. 10.230. ( fhg / b00gn152 ) gear boxes ( <> ) decpl / cpl / algn alignment of lt drive ( for motor 15 kw to 200kw ) / overhauling of gear box ( below 30 kw ) / ilms gear box replacement for measurement purpose any one of them will be treated as separate unit. alignment of lt drive ( for motor 15 kw to 200kw ) : a ) if coupling pin bush replacement is required, no extra payment will be done. b ) it includes all related activity for the alignment. c ) for payment purpose, if both slow speed ( with dial gauge ) and high speed alignment is done, it will be treated as separate unit. d ) cutting / welding required for the job comes under contractor’s scope. ‘or’ overhauling of gear box ( below 30 kw ) : a ) opening of gear box. replacement of defective / worn out / damaged parts. b ) re assembling of gear box and oil filling. ‘or’ ilms gear box replacement: a ) shifting of new / repaired gear box at site. b ) decoupling and removal of motor. decoupling and removal of gear box. c ) mounting of new gear box, re assembling of motor and alignment. d ) coupling of motor, trial run and defect rectification, if any. e ) shifting of old gear box at chp / central workshop. 10.240. ( fhttr14bd800 ) travelling tripper ( lt gearbox ) repl replacement of travelling tripper travel drive gear box / alignment of ht drive ( for motor above 200 kw ) for measurement purpose any one of them will be treated as separate unit. replacement of travelling tripper travel drive gear box : a ) shifting of new / repaired gear box at site. b ) dismantling of old gear box / motor and fixing of new gear box & motor. c ) dismantling of thruster brake & refixing. d ) alignment of the drive and oil top up in new gear box after flushing. e ) normalization of the system and trial run to be taken. defect rectification, if any. f ) shifting of all materials to chp store / chp scrap yard. g ) cutting / welding required for the job comes under contractor’s scope. ‘or’ alignment of ht drive ( for motor above 200 kw ) : a ) if coupling pin bush replacement is required, no extra payment will be done. b ) it includes all related activity for the alignment ( slow speed or high speed ) . c ) for payment purpose, if both slow speed ( with dial gauge ) and high speed alignment is done, it will be treated as separate unit. d ) cutting / welding required for the job comes under contractor’s scope. 10.250. ( fhg / b00bd000 ) gear boxes ( <> ) attend defect gear box gauge glass replacement / replacement of sump pump spider of love joy coupling for measurement purpose any one of the following will be treated as separate unit. a ) gear box gauge glass replacement: b ) shifting of new / repaired gauge glass at site. c ) removal of old gauge glass after isolation and mounting of new one. d ) oil leakage job of gear box ‘ or ‘ replacement of sump pump spider of love joy coupling : a ) no payment will be made for spider of love joy coupling replacement if it is done while pump overhauling. 10.260. ( fhmat14gn863 ) matl ( misc ) shifting transportation of materials: a ) it includes transportation of any kind of material from central store or any other place inside plant to chp store or vice versa, as per direction. b ) for measurement purpose materials upto 50kg or part there off will be taken as one unit. 10.270. chp em bkdn mtc st 1 ( fhmat11gn162 ) matl ( scrap ) disposal transportation of misc. scrap: a ) it covers transportation of misc. scrap from chp area to other place inside the plant as per direction. b ) for measurement purpose transportation of one ton scrap will be taken as one unit. all arrangement for loading, unloading and transportation including supply of tractor is in contractor’s scope. 10.280. ( fhmsw00gn250 ) fabrication erection ( <> ) lighter section miscellaneous steel fabrication work in c.h.p. ( lighter section ) : a ) fabrication of ladder , platform and other miscellaneous work in chp and mgr area ( from wagon tippler to bunker floor and mgr gates ) at different elevations and different location comes under this . b ) transportation of steel from kbunl stores to work site . c ) fabrication work is to be done as per given drawing or as per direction of area engineer and placement of the same at the required place or as per direction. d ) new fabricated work is to be painted with one coat of primer paint of kbunl approved brand. paint to be provided by the contractor. e ) payment will be done on per ton basis. f ) it will be applicable for steel sheets upto 3.15mm. g ) removal of old plate / structure from location and shifting to chp scrap yard will be in the scope of the contractor. 10.290. ( fhcht00bd801 ) chutes ( <> ) repair coal leakage arresting by patch work : a ) arresting of coal dust leakage from any chute / duct in chp comes under this. b ) leakage arresting includes fabrication of required patch from ms plate ( up to 20mm thick ) and welding of the same at required place or as per direction of area engineer. c ) trial run for leakage arresting if any. d ) for measurement purpose payment will be made on per unit basis and 300 mm*300 mm will be treated as one number. 10.300. ( fhcht00gn250 ) ( fabrication +erection ) miscellaneous steel fabrication work in c.h.p. ( heavy section ) .: a ) fabrication of ladder, platform and other miscellaneous work in chp and mgr area ( from track hopper to bunker floor and mgr gates ) at different elevations and different location comes under this . b ) transportation of steel from kbunl stores to work site . c ) fabrication work is to be done as per given drawing or as per direction of area engineer and placement of the same at the required place or as per direction. d ) new fabricated work is to be painted with one coat of primer paint of kbunl approved brand. paint to be provided by the contractor. e ) payment will be done on per ton basis. f ) removal of old plate / structure from location and shifting to chp scrap yard will be in the scope of contractor. 10.310. ( fhdep00gn602 ) deptt <> man.dep sw manpower supply sw manpower supply for other miscellaneous work ( as per direction of engr in charge ) . necessary t&ps required for supply job will be provided by contractor ( as per t&ps list ) . sw ( fitter / rigger / welder ) 10.320. ( fhdep00gn600 ) deptt <> man.dep usw manpower supply usw manpower supply for other miscellaneous work ( as per direction of engr in charge ) . necessary t&ps required for supply job will be provided by contractor ( as per t&ps list ) usw ( helper ) 10.330. ( fhscc13gn250 ) crushers ( bkr plate ) fabrication crushers ( bkr plate ) fabrication / deck plate fabrication of vs assembly making breaker plate for crusher ( one full set consisting of four piece small / 02pc big size ) a ) marking of breaker plate as per drawing and instruction of area engineer. b ) cutting of breaker plate. c ) transportation of breaker plates from chp steel yard to central workshop for drilling. d ) transportation of breaker plates from central workshop to chp crusher house / store area after drilling. drilling of holes will not be in the scope of the agency. payment will be made as ( 04 nos = 01 unit ) or a ) fabrication of deck plates of vibrating screen 10.340. conv pulleys ( <> ) brg inspection: fhcnp00bd799 conv. pulley ( <> ) brg inspection bearing inspection for conveyor pulley / crusher / bearings of wheels of mobile equipment’s stacker , travelling tripper bearing inspection a ) inspection of bearings ( both end ) of any conveyor pulley in chp. b ) supply of all t&ps and manpower will be in the scope of the agency. c ) all related jobs for bearing inspection will be in the scope of the agency. d ) greasing of bearings after inspection to be done by the agency. 10.350. ( fhbcn02pm002 ) belt conveyor 02 w checks belt conveyor 02 w checks 1. any conveyor in chp is covered under this item. 2. check all idlers for free rotation. 3. replace defective idlers / idlers frame / guide rollers, 4. adjust / replace the skirt rubber, scrapper rubber & dust curtains. 5. check the belts for any sway, train as required. 6. check the thruster oil level, top up if required .adjust the thruster brake. 7. check the gear box & fluid coupling oil level / leakage, top up if required. clean the gear box breather. 8. check the belt joints for any ply separation, check the belt for any damage, cut mark etc.& report. 9. check pulley bearing for overheating, noise etc. check the temp. of gear box. check oil pressure if gauge is provided. 10. check that take up travel is free; there is no deformation in its guide. 11. tighten all foundation bolts of motor, gear box, pulley, plumber block etc. 12. any cutting / welding / tacking of idler with frame is in the scope of contractor. 10.360. ( fhbcn02pm004 ) belt conveyor 04 w checks belt conveyor 04 w checks 1. any conveyor in chp is covered under this item. 2. repeat items 2, 3, 4, 5, 6, 7, 8, 11&12 of job sl.no. – 35 3. check tightness of fan bolts & foundation bolts of drive & pulley. 4. check for any leakage from the seals of gear box fluid coupling and report. 5. check the play in pin & bush coupling and report if bushes are damaged. 6. inspect pulley lagging for wear / damage & report. 7. check the pulley for any crack; tighten the locking assembly bolts by torque wrench unto adequate torque. 8. check that there is no deformation in take up guide. 10.370. ( fhbcn02pm012 ) : belt conveyor 12 w checks belt conveyor 12 w checks 1. any conveyor in chp is covered under this item. 2. repeat all items of sl. no. –36. 3. check oil level of fluid coupling, top up if required. 4. grease pulley bearings & gear coupling & take up guides. 5. check proper functioning of thruster brakes adjust, if required. 10.380. ( fhilm00pm002 ) : ilms 02 w checks ilms 02 w checks 1. any in line magnetic separator in chp is covered under this item. 2. inspect belt for any damage. check belt sway / belt tension, adjust, if required. 3. check gear box oil level, top up, if required. check tightness all foundation bolts. 4. adjust / replace the skirt rubber. 10.390. ( fhilm00pm004 ) ilms 04 w checks ilms 04 w checks 1. any in line magnetic separator in chp is covered under this item. 2. repeat all items of job sl.no. – 38 3. grease all bearings of plumber blocks. grease the screw take up. 10.400. ( fhgzf00pm002 ) : grizzly feeder 02 w checks grizzly feeder 02 w checks 1. any grizzly feeder in crusher house is covered under this item. 2. check tightness of the foundation bolts of motor, grizzly feeder bearing housing, seal cover and any other. 3. ch. tightness tray fixing bolts, chute fixing bolts, counter weight, fixing bolts. 4. check coal leakage from gf, adjust / replace rubber dust seals. 5. clean the deck and check the welding . 6. check welding of liners. 7. check the condition of spring & reports. 8. clean the bypass chute. inspect the deck sidewalls for any crack & report. 9. any cutting / welding required is in the scope of contractor. 10.410. ( fhgzf00pm004 ) : grizzly feeder 04 w checks grizzly feeder 04 w checks 1. any grizzly feeder in crusher house is covered under this item. 2. repeat all items of job sl.no. – 40 3. grease all bearings. check condition of universal joints & propeller shaft. 10.420. ( fhpcc00pm002 ) : crushers ( <> ) 02w chks crushers 02w chks 1. any crusher in crusher house is covered under this item. 2. check the condition of hammers and report. 3. ch. gear box oil levels, top up, if required. clean the air breather / replace the gauge glass if required. remove foreign materials from tramp iron box. 4. check for any coal leakage from manholes, inspection holes etc. & arrest the leakage. 5. check tightness of all cage fixing bolts, housing bolts etc. 6. check breaker plate, shaft disc key , screen plate, frame fill piece, v shaped deflector plate, screen plate arm, liners, screw jack ( cage adjuster ) , screen clamp bar for wear and report. check the tightness of bolts and weld the bolts, if required. 7. check tightness of all bolts & nuts of gear box fan, plumber blocks & foundation bolts. 8. clean the pressure equaliser line. 9. any cutting / welding required is in the scope of contractor. 10.430. ( fhpcc00pm004 ) : crushers ( <> ) 04w chks crushers 04w chks 1. any crusher in crusher house is covered under this item. 2. repeat all items of job sl.no. – 42 3. grease nde & de bearing of crusher, cage adjusting device. 4. check fluid coupling oil level, top up, if required. ( to be done after three months ) 5. inspect breaker plate holding plate and report. 10.440 ) . ( fhttr00pm002 ) : traveling tripper 02 w checks traveling tripper 02 w checks 1. any traveling tripper in chp is covered under this item. 2. check all idlers of the tripper for free rotation / abnormal noise. 3. replace the defective idlers / idler frames. place fallen idlers. 4. check oil level / oil leakage of travel drive gear box, crd gear box and thruster, top up, if required. check / adjust tightness of thrustor brake shoe. 5. check and adjust tripper hand brake / rail cleaner. 6. check tightness of all foundation bolts of motor, gear pulley etc 7. check flap gate actuator is operating freely & closing properly. 10.450 ) . ( fhttr00pm004 ) : traveling tripper 04 w checks traveling tripper 04 w checks 1. any traveling tripper in chp is covered under this item. 2. repeat items 3, 4, 5 , 6 & 7 of job sl.no. – 44 3. check gear box air breather for clogging, clean, if required. 4. check pin bush for coupling and report for replacement, if required. 5. check tripper rail welding joints. check tightness of rail supporting structure bolts at joint, if welding is broken. 10.460 ) . ( fhs / r00pm002 ) : stacker 02 w checks stacker 02 w checks a ) boom conveyor: 1. check all idlers for free rotation, replace defective idlers / idler frame. 2. check / adjust / replace skirt rubber, scrapper rubber, dust curtains. 3. check the belt for any sway, train, if required. 4. check the oil level, top up if required. clean the air breather. 5. check free movement of thrusters, clean dust etc. from moving zone. b ) intermediate conveyor : 1. check all idlers for free rotation, replace defective idlers. 2. check / adjust / replace skirt rubber, scrapper rubber, dust curtains. 3. check the belt for any sway, train, if required. 4. check the oil level, top up if required. clean the air breather. 5. check free movement of thrusters, clean dust etc. from moving zone. c ) pcrd / ccrd 1. check proper functioning of pcrd / ccrd, rectify if required. 2. check tightness of chain, sprocket, and foundation bolts etc. 3. check oil level of angle gear box, top up, if required. 10.470 ) . ( fhs / r00pm004 ) stacker 04 w checks stacker 04 w checks a ) boom conveyor : 1. check and adjust / replace the rubber strip of scrappers / skirt rubber. 2. check the oil level of gear box, top up, if required. clean the air breather, if required. 3. check for any leakage from the seals of gear box, fluid coupling. 4. check the play in pin bush coupling, report for replacement, if required. 5. inspect pulley lagging for wear / damage. 6. tighten all foundation bolts of motor, gear box, pulley. 7. check the screw take up travel is free and there is no deformation in its guides. check the belt tension, tighten, if required. 8. check functioning of thrusters / thrustor brakes, rectify as required. b ) intermediate conveyor : 1. check and adjust / replace the rubber strip of scrapper / skirt rubber. 2. check oil level of gear box, top up, if required. clean the air breather. 3. check for any leakage from the gear box, fluid coupling. 4. check the play in pin push coupling, report for replacement, if required. 5. check pulley lagging for wear / damage. 6. tighten all foundation bolts of motor, gear box, pulley. 7. check that screw take up guide travel is free and there is no deformation in its guide. check belt tension, tighten, if required. 8. check functioning of thrustors / thrustor brakes, rectify as required. c ) pcrd / ccrd 1. check the freeness of cable rollers. 2. check & adjust cable and cable guide. 3. check the angle gear box oil level, top up, if required. 4. check tightness of foundation bolts, chain, sprocket etc. 5. grease all plumber block bearings. 6. check tightness of chain, sprocket and foundation bolts etc. 10.480 ) . ( fhfpg00pm004 ) flap gate 04 w checks flap gate 04 w checks 1. any flap gate in chp is covered under this item. 2. check oil level in the actuator gear box, top up, if required. 3. grease both side bearing of flap gate and actuator. 4. check actuator is operating freely & closing properly both sides. 5. check tightness of foundation bolts. 6. check for any wear of the flap gate surface & report. 7.check for any possible coal passing through flap gate. 8. any cutting / welding required is in the scope of contractor. 10.490 ) . ( fhrpg00pm004 ) rake & pinion gate 04 w checks rake & pinion gate 04 w checks 1. any rake & pinion gate in crusher house is covered under this item. 2. oil top up in the rpg’s both gear boxes, if required. 3. check freeness of chain sprocket wheel. 4. greasing of all the bearings. 5. check tightness of all the foundation bolts. 6. check rack & pinion gate assembly for freeness. 10.500 ) . ( fhpit03pm004 ) sump pumps 04 w checks sump pumps 04 w checks 1. for measurement purpose one pump of t / h sump pumps / lwtp vertical pump will be taken as one unit. 2. greasing of pumps bearings. 3. check the rubber spider of the coupling, replace, if required. 4. check the play in pump motor coupling, adjust, if required. 5. check tightness of foundation bolts. 6. check leakage from pipe joints & valve gland. 7. check freeness of nr valve and gate valve. 10.510 ) . ( fhdes00pm004 ) : de / ds system 04 w chks. de / ds system 04 w chks / water line checking / general checking and defect rectification of ventilation system / general checking of de system any of the following work is covered under this item. for measurement purpose any one of the following will be treated as separate unit. general checking and defect rectification of dust suppression system in tps, stacker, crusher house & wagon tippler area . pump: a ) greasing all bearings of the pump. b ) replacement / tighten the gland packing of the pump as required. c ) check any water leakage and report. check pin bush coupling condition, replace if required. d ) check tightening of all foundation bolt. or water line checking: a ) clean the pump suction strainer ( pot strainer ) & y strainer. b ) attend water leakage if any , including from hose pipe. c ) check the spray nozzle condition and report. or general checking and defect rectification of ventilation system. a ) greasing of all bearings. b ) check v belt condition, replacement and alignment if requiared. c ) check tightness of all foundation bolt. d ) rotate the fan impeller by hand and report if any abnormality is observed. e ) check the stud nut tightness of impeller. or general checking of de system. a ) greasing of all bearings. check v belt condition, replacement and alignment if required. b ) check tightness of all foundation bolt. c ) rotate the fan impeller by hand and report if any abnormality is observed. d ) check the stud nut tightness of impeller. e ) cleaning of rotary lock feeder unit and its discharge pipe. 10.520 ) . ( fhmsl01bd800 ) — de / ds / service water line & fire line defect attend replacement of pipe line , replacement of gate valve / nrv / laying of pipe line replacement of pipe line , replacement of gate valve / nrv a ) ds / de / service water line in chp / fire water b ) shifting of new pipe line at site and replacement of old pipe line. c ) any cutting welding required for the job comes under this. d ) while replacement necessary flange, gasket, fittings are also to be changed, if required. e ) shifting of old pipe line to chp scrap yard. trial run and defect rectification. f ) for measurement purpose a segment of 01 mtr length or part there of will be treated as one unit for pipe line up to 65 nb . g ) for measurement purpose a segment of 01 mtr length or part there of will be treated as 1.2 unit for pipe line 80 nb and above . or laying of pipe line a ) it covers laying of pipe line ( with fittings ) in ds / de / service water line in chp / fire water. b ) shifting of new pipe line at site. c ) while laying of pipe line necessary flange, gasket, fittings are also to be provided, if required. any cutting welding required for the job comes under this. e ) trial run and defect rectification. g ) application of 2 coats of red oxide primer paint on the pipe, red oxide primer paint is in the partys scope. h ) for measurement purpose a segment of 2mtr length or part there of will be treated as one unit for pipe up to 65nb. i ) for measurement purpose a segment of 2 mtr length or part there of will be treated as 1.15 unit. for pipe 80nb and above. 10.530 ) . ( fhlpp01bd000 ) ds pump gland packing rep. or adj. / ds pump coupling pin bush rep. / ds / de pump / fan bearing greasing / servicing of solenoid valves in ds line ‘or‘ replacement of v bells ( full set ) / rep.of vent. fan air filter / dust suppression system nozzles nipple fixing / cleaning of spray nozzles in dust suppression system any of the following work is covered under this item. for measurement purpose any one of the following will be treated as separate unit. ds pump gland packing replacement / adjustment: a ) replacement / adjustment of the gland packing of the pump for arresting water leakage. ( one side or both side as required ) . trial run and adjustment of the glands. or ds pump coupling pin bush replacement : replacement of full set of pin bush will be taken as one unit. or cleaning of y strainer in ds line : removal of the y strainers from the system, cleaning it upto the satisfaction and re fitting at original position. or servicing of valves in ds line: a ) dismantling of solenoid v / v, replacement / repairing of defective parts and reassembling. or replacement of v bells ( full set ) : a ) removal of fan belt guard. removal of damaged v belts. shifting of new v belts and fixing on the v pulley. alignment of the pulleys. trial run and defect rectification. or replacement of ventilation fan air filter ( 01 no = 01 unit ) : a ) removal of air filter from system. b ) shifting of new / repaired air filter and installation. c ) drying of the filter and fixing back to its original location. d ) rectification of minor repair is for the filters if required, or greasing of fan / pump bearings ( both bearing ) or dust suppression system nozzles nipple fixing a ) nipple to be fabricated from ½ inch, medium duty pipe, length of nipple will be 3 to 4 inches. b ) removal of damaged nipple & fixing of new . c ) fixing of spray nozzle on the nipple. or cleaning of spray nozzles in dust suppression system : a ) removal of spray nozzles from the dust suppression system. dismantling of nozzles , cleaning and re fixing it at original position. b ) for payment purpose 05 nos. of nozzles or part thereof will be treated as one unit. 10.540 ) . ( fhdes01bd800 ) replacement of fire sprinklers / replacement of fire hydrant valve / repairing of fire hydrant valve any of the following work is covered under this item. for measurement purpose any one of the following will be treated as separate unit. replacement of fire sprinklers : a ) isolation of the sprinkler line from water side if required. removal of damaged sprinkler and fixing of new one. charging of the line with water and leakage arresting if any. or replacement of fire hydrant valve: a ) replacement of any fire hydrant valve in chp is covered under this. b ) shifting of new / repaired fire hydrant valve to site and replacement of the defective valve. c ) shifting of damaged fire hydrant valve to chp workshop. or repairing of fire hydrant valve: a ) dismantling of fire hydrant valve, replacement of defective parts and re assembling. b ) spares will be provided by kbunl free of cost. however, for rubber washer, it is to be cut from rubber sheet, supplied. 10.550 ) . ( fhmsl01bd000 ) water leakage arresting from pipe line / flange ( above ground ) leakage arresting includes welding / gasket replacement / pipe fitting replacement, if any. 10.560 ) . ( fhmsl01bd801 ) / ms piping ( dia<=6 ) repair water leakage arresting from pipe line / flange ( under ground ) a ) leakage arresting includes welding / gasket replacement / pipe fitting replacement, if any. b ) dewatering of the pit, if required. dewatering pump will be provided by kbunl free of cost, if available. c ) proper cleaning of pipe surface for welding at leakage area & leakage arresting through patch work or as per direction of area engr. d ) if more than one leakage is found in one digging, it will be treated as one unit. e ) underground pipes are at 1.5m depth ( approx. ) . f ) application of wrapping & coating on pipes / patches etc. all materials in the partys scope. . 10.570 ) . ( fhdep00gn624 ) ( deptt <> manpower gang ( adl ) ) maintenance jobs per shift ( shift maintenance ) : 1. contractor has to deploy 02 ( 1 welder + 1 fitter ) , and 2 helper and one rigger for chp mechanical maintenance in shift as and when asked by eic. 2. they will be deployed for emergent type of job which are mentioned below: 3.oil topping up in gear box / fluid coupling 4. removal & fixing of coupling guards 5. opening & closing of front & back doors of crushers. 6. assistance in changing of flap gate during path selection. 7. v belt replacement if required 8. adjustment / replacement of skirt rubber 9. belt scrapper replacement / adjustment 10. patching of chute puncture 11. belt training if required 12. removal / replacement of idlers if required 13. any job assigned by eic. 10.580 ) . misc. maint. work ( code: fhmsw00bd000 ) misc. maint. work defect liability period: 01 month. a ) .cat a ( completion period 04 hrs. ) 01. belt weight, counter weight adjustment 02 key preparing / key way repair 03 hydraulic jack repair. 04 canopy cover making & fixing. 05 back plate removal & fixing. 06 inspection door removal & fixing. 07. hold back removal & fixing. 08. wiper replacement & fixing. 09. pcrd / ccrd guide roller repair replacement ( per roller ) . 10. chute chocking removal. 11. limit switch / striker fixing / sr striker fixing . 12. oil topping / oil replacement ( 01 to 50 liters ) 13. removal of hold back engagement bolt ( per conveyor ) 14. cutting set / welding m / c. shifting / material shifting 15. breather plug and gauge glass cleaning / fixing ( per gearbox ) . 16. walk way step repair & fixing 17. hs coupling bolt and bush replacement ( per coupling ) . 18. fcu oil adjustment ( per fcu ) . 19. suspension bar locking per bar. 20. coupling bolt locking through welding per bolt ( ls ) . 21. inspection cover fixing. ( per chute ) 22. crusher door sealing per crusher. 23. bearing checking / greasing ( per bearing ) . 24. r.p.g opening and closing. 25. fixing / removal of zss. 26. coupling & decoupling of equipment’s. 27. pcrd / ccrd cable positioning. 28. rail fish plate bolt replacement. 29. take up wire rope greasing / lubricating compound. 30. flap gate actuator arm pin removal & fixing. 31. hose / pipe clamp fixing 32. bolt fixing in chute bolt hole. 33. belt training / belt swaying to be aligned. 34. o ring rubber chord to be provided in input / output shaft of gear box. 35. vs ‘v’ belt set replacement & alignment. 36. fastening of belt by belt fastener ( 02 fastener for 1no.cat a ) 37. vs upper deck and lower deck repairing 38. misc. belt related jobs 10.590 ) . misc. maint. work ( code: fhmsw00bd001 ) misc. maint. work defect liability period: 01 month. a ) .cat b ( completion period 06 hrs. ) 01. gear box / conveyor ls coupling bolt removal & fixing 02. winch m / c shifting & welding at location. 03. sealing belt tensioning ( per conveyor ) / bunker sealing ( per unit ) 04. hold back replacement. 05. l.s. coupling bolt replacement ( per bolt ) 06. crusher cooler servicing. 07. chute flange joint leakage sealing / arresting by welding. 08. inspection cover replacement. 09. crusher rotor locknut tightening. / cr. bearing lock nut tightening. ( per crusher ) 10. v.s. hinge bush block replacement. 11. tripper / sr crack & broken wheel repairing. 12 fcu multi disc replacement. 13. foreign material removal. 14. r.p.g gear box replacement. 15. elect. brake shoe / manual brake adjustment / repairing. 16. gear box inspection cover removal for internal inspection 17.welding of rail / conveyor short support / stringer post / ladder repair. 18. grill repairing. 19. fg shaft bolt replacement. 20. repair of rail crack by welding. 21. shaft repairing ( welding / grinding ) . 22. chute block switch positioning and repairing. 23. pcrd / ccrd hanger repairing of sr / mt etc. 24. motor / gear / tail pulley / head pulley etc canopy or guard / cover preparing & fixing 25. key way making. 26. key making for coupling. 10.600. code: fhwgt00pm002 02 weekly checks of wagon tippler ( completion period 08 hours ) a. checking / repairing of ls & hs coupling bolts. b. checking / repairing of gear box oil level. c. checking / repairing of structures ( ballast container , way bridge, rail table, etc. ) d. checking / repairing of pinions. e. checking / repairing of connecting shafts. f. checking / repairing of power lever. g. checking / repairing of spill plates &rollers. h. checking / repairing of civil foundations. i. checking / repairing of all plummer blocks. j. checking / repairing of bull gears. k. checking / repairing of splice joints of structures. l. checking / repairing of otls switch etc. m. checking / repairing / installation of brake shoes. n. greasing of bearings by grease gun. o. checking & repairing of load shell & weigh bridge. p. spill plate roller & bracket checking / repairing. 10.610 ) code: fhwgt00pm004 04 weekly checks of wagon tippler ( completion period 10 hours ) a. checking / repairing / replacement of ls & hs coupling bolts. b. checking / repairing of gear box oil level. c. checking / repairing of structures ( ballast container , way bridge, rail table, etc. ) d. checking / repairing of pinions. e. checking / repairing of connecting shafts. f. checking / repairing of pall lever. g. checking / repairing of spill plates &rollers. h. checking / repairing of civil foundations. i. checking / repairing of all plummer blocks. j. checking / repairing of bull gears. k. checking / repairing of splice joints of structures. l. checking / repairing of otls, cam switch etc. m. checking / repairing of brake shoes. n. greasing of bearings by grease gun. o. providing of servo coat 140 on pinion & bull gear. p. all points of 02 weekly checks. 10.620 ) code: fhwgt00pm012 12 weekly checks of wagon tippler ( completion period 10 hours ) a. checking / repairing / replacement of ls & hs coupling bolts. b. checking of gear box oil condition / replacement if required. c. checking / repairing / replacement ( partly ) if required. ( ballast container , way bridge, rail table, etc. ) d. checking of bearing clearances of pinions & replacement if required. e. checking / repairing / alignment of connecting shafts. f. checking / repairing / adjustment of pawl lever. g. checking / repairing / replacement of spill plates & rollers. h. checking / repairing of civil foundations. i. checking / repairing of all plumber blocks. j. checking / repairing / replacement of bull gears ( partially ) if required. k. checking / repairing of splice joints of structures. l. checking / repairing of otls, cam switch etc. m. checking / repairing of brake shoes. n. greasing of bearings by grease gun. o. all points of 02 weekly & 04 weekly checks. 10.630 ) . code: fhwgt00gn402 inspection of wagon tippler / calibration ( completion period 04 hours ) a. checking of ls & hs coupling bolts. b. checking of gear box oil level. c. checking of structures ( ballast container , way bridge rail table, etc. ) d. checking of pinions. e. checking of connecting shafts. f. checking of pawl lever. g. checking of spill plates & rollers. h. checking of civil foundations. i. checking of all plummer blocks. j. checking of bull gears. k. checking of splice joints of structures. l. checking of otls, cam switch etc. m. checking of brake shoes. n. checking of top stop clamps and side supports & rubber o. checking of photo sensor for operation. p. weigh bridge & load shell checking 10.640 . ( fhscc00gn402 ) crushers / vibrating screen ( <> ) inspection ( a ) . remove top cover of the secondary crusher to facilitate internal inspection & cleaning. ( b ) . replace missing / loose / broken fasteners of the breaker plate / cage screen / kick off plate / tramp iron tray / end disc liner etc. ( c ) . refix the same after work is over. or ( a ) .check the condition of support springs and do the necessary adjustment / replacement. ( b ) . check and rectify the defect in the tray and its structural members. ( c ) . check receiving and discharge chute liners and report. rectify minor repair in the coffin box. ( d ) . replace the worn out skirt rubber / dust curtain. ( e ) . any other minor work has to be carried out as per direction of eic. 10.650 fheoh00oh000 ( elec hoists ( <> ) serv ) a ) . placing the hoist at suitable position for maintenance and arrange proper approach for maintenance ( b ) . opening the housing drum cover of hoist. ( c ) . checking of gears / gear box internals. repair / replace as required. clean and grease all the gears ( d ) . checking, cleaning & lubricating the bearings. replace the bearings, if reqd. ( e ) . checking the rope drum & repair / replace the parts as required. lubricate the parts needing lubrication. ( f ) . checking the rope for any defect and broken strands, replace the rope if required. clean, lubricate the rope. ( g ) . checking the load hook block assembly. clean & grease the parts. attend the defect. also check the hook for any cracks / deformation. ( h ) . cleaning and greasing guide ring and retaining ring to ensure rotation / reeling. ( i ) . checking of all the bolts, nuts and tension bar ensuring proper tightness and good condition. ( j ) . check the travel wheel and its mechanism and repair / replace as required. ( k ) . take trial of hoist on both the ends. ensure proper mechanical stopper. also check the hoist operation by lowering / raising as per limit. ( l ) . ensure proper braking of hoist on no load as well on load both. ( m ) . checking of hoist for any other defect and rectify the same. 10.660 ( fhsai00gn869 ) self algn idlr ( <> ) servicing ( servicing of trainer idler / repair of carrying / return / impact idlers ) completion time 02 hours. defect liability period 03 months. for payment purpose repair of one idler or one self adjustable frame will be considered as one unit. ( i ) servicing of trainer idler ( a ) removal of self aligning troughing trainer & return side trainer complete assembly from its position. ( b ) over haul the pivot bearing & bush by cleaning the old grease with solvent / cleaning agent, and then regrease the bush / bearing. if required, replace the bearing. ( c ) separate cloth to be used for removing the old grease, and wiping off the solvent from the bearing to avoid contamination. ( d ) optimum grease to be used such that the pivot bush / bearing is properly lubricated. grease shall not be wasted by overfilling in the housing. ( e ) re fix the complete frame back in its position, and properly tighten the bolts. if the bolts are damaged, or missing, then new bolts are to be fixed so that the frame is properly secured. ( f ) grease, bush / bearing & fasteners shall be provided by ntpc. rest all the materials & tools for cleaning to be provided by the contractor. ( g ) after complete servicing of the self adjusting idlers, clean the deposited coal on the surface of remaining rollers by soft hammering and poking. ( h ) if required, rollers are to be removed from the frames for cleaning, coal to be cleaned from the frame slots, and near bearing housing & then fixed back. ( i ) if required, also check the rollers of the assembly for their freeness, and if jammed or damaged, rollers shall be replaced. payment for roller replacement shall be made separately. ( ii ) repair of carrying / return / impact idlers ( a ) . shift damaged rollers from site or wherever dumped to work location. ( b ) . dismantle roller internals like seals, bearings, and shaft etc. ( c ) . clean roller internal properly. ( d ) . select roller shells in good condition. ( e ) . repair damaged shaft by cutting / welding / grinding. ( f ) . assembly of roller with new / good condition bearings, seals, bushes and circlips and check freeness. ( g ) . apply one coat of red oxide primer over the roller surface and put serial number on the same. total quantity :...
Tender Value : ₹ 2.18 Crore
