bids are invited for custom bid for services - mechanical maintenance contract of 52/01 area & 56 area of alumina refinery; equipment: t.t.hopper flap gate. 1 replacement of liners(manganese steel) of disch. chute of mines conveyor plate in t.t.hopper & flap gate, and in skirt board or (includes erection & removal ofany scaffoldings if required) no a 4 1575.27 2 replacement of liners(manganese steel) of disch. chute of mines conveyor plate in t.t.hopper & flap gate, and in skirt board or (includes erection & removal ofany scaffoldings if required) no b 1 901.68 3 removal of old flap gate, fitting of new flap gate inside the t.t.hopper, alignment of the new gate, checking of the new gate for proper operation. no a 1 26595.73 4 tt hopper flap gate fabrication no b 1 22486.27 5 replacement of flap gate actuator. no a 2 2909.89 6 replacement of flap gate actuator. no b 1 2217.21 7 repairing of flap gate actuator. no a 1 2410.23 8 repairing of flap gate actuator. no b 1 2121.59 9 flap gate actuator u pin holder repairing, fixing/ changing includes removal & fixing of flap gate pin. no a 1 1260.32 10 flap gate actuator u pin holder repairing, fixing/ changing includes removal & fixing of flap gate pin. no b 1 566.13 11 flap gate drive pin chaging / removal & fixing no a 1 229.88 12 flap gate drive pin chaging / removal & fixing no b 1 141.54 13 replacement of bearing housings andbearing in flap gate drive shaft. no a 1 6299.28 14 replacement of bearing housings andbearing in flap gate drive shaft. no b 1 4497.26 15 opening of undercover for flap gate andfixing it back no a 1 1574.82 16 opening of undercover for flap gate andfixing it back no b 4 1478.14 17 repair of flap gate . the job includes includes opening of mandoor, scaffolding,removal of old flap gate, cleaning, rewelding, replacement of liner, fixing of flap gate, fixing of mandoor, removal ofscaffolding . no a 1 31480.16 18 repair of flap gate . the job includes includes opening of mandoor, scaffolding,removal of old flap gate, cleaning, rewelding, replacement of liner, fixing of flap gate, fixing of mandoor, removal ofscaffolding . no b 1 22486.27 19 flap gate actuator gearbox replacement time a 6 1600.99 20 flap gate actuator gearbox replacement time b 1 1124.33 21 apron feeder 701,702:- replacement of shear pin no a 1 315.09 22 apron feeder 701,702:- replacement of shear pin no b 1 176.92 23 apron feeder 701,702:- tensioning & detensioning of apron feeder no a 1 1260.32 24 apron feeder 701,702:- counter shaft/drive shaft/tail shaft bearing checking times a 1 2477.32 25 apron feeder 701,702:- replacement of top deck roller no a 1 970.94 26 apron feeder 701,702:- replacement of top deck roller no b 8 616.40 27 apron feeder 701,702:- replacement of bottom deck roller/return roller no a 1 1260.32 28 apron feeder 701,702:- replacement of bottom deck roller/return roller no b 4 899.45 29 apron feeder 701,702:- checking/replacement of flight bolt,sprocketbolt etc. time a 1 1840.24 30 apron feeder 701,702:- checking/replacement of flight bolt,sprocketbolt etc. time b 2 1697.27 31 apron feeder 701,702:- replacement of conveyor flight which includes detensioning of apron chain, removal of deck rollers, replacement of flight and reassembly of deck rollers and chain tensioning. no a 1 2429.37 32 apron feeder 701,702:- replacement of conveyor flight which includes detensioning of apron chain, removal of deck rollers, replacement of flight and reassembly of deck rollers and chain tensioning. no b 1 1686.48 33 apron feeder 701,702:- grease filling in grease tank no a 1 392.13 34 apron feeder 701,702:- grease filling in grease tank no b 188 283.07 35 apron feeder 701,702:- deck plate removal & fixing. time a 1 919.54 36 apron feeder 701,702:- deck plate removal & fixing. time b 1 707.66 37 apron feeder 701,702:- drive shaft bearing replacement includes detensioning of feeder chain, hood opening, decoupling of gearbox, bearing changing and assembly, alignment between gearbox anddrive shaft, tensioning of chain time a 1 30691.76 38 apron feeder 701,702:- drive shaft bearing replacement includes detensioning of feeder chain, hood opening, decoupling of gearbox, bearing changing and assembly, alignment between gearbox anddrive shaft, tensioning of chain time b 1 22737.61 39 apron feeder 701,702:- drive shaft replacement including bearing replacement time a 1 28661.6 40 apron feeder 701,702:- drive shaft replacement including bearing replacement time b 1 27281.24 41 apron feeder 701,702:- tail shaft bearing replacement includes detensioning of feeder chain, dismantling of tail shaft, bearing changing, assembly and tensioning of chain time a 4 12519.26 42 apron feeder 701,702:- tail shaft bearing replacement includes detensioning of feeder chain, dismantling of tail shaft, bearing changing, assembly and tensioning of chain time b 1 11368.81 43 apron feeder 701,702:- tail shaft replacement includes detensioning of feeder chain, dismantling of chain, removal of tailshaft, bearing changing/ checking, removal of sprockets, assembly of tail shaftand tensioning of chain. time a 1 15361.46 44 apron feeder 701,702:- tail shaft replacement includes detensioning of feeder chain, dismantling of chain, removal of tailshaft, bearing changing/ checking, removal of sprockets, assembly of tail shaftand tensioning of chain. time b 1 13868.78 45 apron feeder 701,702:- countershaft replacement includes detentioning of feeder chain, removal of counter shaft, removal of pinoin, bearing changing/ checking, assembly of countershaft, fixing of pinion and tensioning of chain. time a 1 29727.77 46 apron feeder 701,702:- countershaft replacement includes detentioning of feeder chain, removal of counter shaft, removal of pinoin, bearing changing/ checking, assembly of countershaft, fixing of pinion and tensioning of chain. time b 1 4622.94 47 apron feeder 701,702:- countershaft bearing replacement includes detensioning of feeder chain, removal of counter shaft, removal of pinoin, bearing changing, assembly of countershaft, fixing ofpinion and tensioning of chain time a 1 15854.81 48 apron feeder 701,702:- countershaft bearing replacement includes detensioning of feeder chain, removal of counter shaft, removal of pinoin, bearing changing, assembly of countershaft, fixing ofpinion and tensioning of chain time b 1 5393.42 49 apron feeder 701,702:- checking of centralised lub. lines. time a 1 1726.63 50 apron feeder 701,702:- checking of centralised lub. lines. time b 4 1061.48 51 apron feeder 701,702:- checking / rectification of centralised lub.pump . no a 2 2871.03 52 apron feeder 701,702:- checking / rectification of centralised lub.pump . no b 2 1769.14 53 apron feeder 701,702:- scraper conveyor gear box replacement. no a 1 4733.05 54 apron feeder 701,702:- scraper conveyor gear box replacement. no b 1 2122.97 55 apron feeder 701,702:- scraper conveyor coupling replacement. no a 1 1726.63 56 apron feeder 701,702:- scraper conveyor coupling replacement. no b 4 1415.31 57 apron feeder 701,702:- scraper conveyor coupling pad checking/replacement. no a 1 1144.4 58 apron feeder 701,702:- scraper conveyor coupling pad checking/replacement. no b 1 707.66 59 apron feeder 701,702:- scraper conveyor tail wheel shaft replacement includes detensioning of chain, dismantling of chain, removal of tailshaft, bearing changing/ time a 2 15854.81 60 apron feeder 701,702:- scraper conveyor tail wheel shaft replacement includes detensioning of chain, dismantling of chain, removal of tailshaft, bearing changing/ checking, removal of wheel, assembly of tail shaft and tensioning of chain . time b 1 8129.77 61 apron feeder 701,702:- scraper conveyor tail wheel bearing replacement includes detentioning of chain, dismantling of chain, removal of tailshaft, bearing changing, removal of wheel, assembly of tail shaft and tensioning of chain. no a 1 9677.06 62 apron feeder 701,702:- scraper conveyor tail wheel bearing replacement includes detentioning of chain, dismantling of chain, removal of tailshaft, bearing changing, removal of wheel, assembly of tail shaft and tensioning of chain. no b 1 7390.70 63 apron feeder 701,702:- drive shaft of scraper conveyor replacement includes detensioning of chain, decoupling of gearbox, removal of drive shaft, bearing changing/ checking, removal of sprockets, assembly of drive shaft, alignment betweengearbox and drive shaft, tensioning o time a 1 11805.07 64 apron feeder 701,702:- drive shaft of scraper conveyor replacement includes detensioning of chain, decoupling of gearbox, removal of drive shaft, bearing changing/ checking, removal of sprockets, assembly of drive shaft, alignment betweengearbox and drive shaft, tensioning o time b 1 7390.70 65 apron feeder 701,702:- drive shaft bearing replacement incldes detensioning of chain, decoupling of gearbox, bearing changing and assembly of drive shaft, alignment between gearbox and driveshaft, tensioning of chain. no a 1 11805.07 66 apron feeder 701,702:- drive shaft bearing replacement incldes detensioning of chain, decoupling of gearbox, bearing changing and assembly of drive shaft, alignment between gearbox and driveshaft, tensioning of chain. no b 1 7390.70 67 apron feeder 701,702:- tensioning & detensioning of scraper chain. no a 28 1144.4 68 apron feeder 701,702:- tensioning & detensioning of scraper chain. no b 1 1124.33 69 apron feeder 701,702:- repositioning of disloged chain. time a 14 1928.65 70 apron feeder 701,702:- repositioning of disloged chain. time b 1 1478.14 71 apron feeder 701,702:- scraper conveyor take up assy. changing/servicing. time a 4 2366.53 72 apron feeder 701,702:- scraper conveyor take up assy. changing/servicing. time b 4 1686.48 73 apron feeder 701,702:- scraper conveyor chain replacement includes detensioning of chain, dismantling of chain, repositioning of chain and tensioning of chain. (chain consists of 39 sections) time a 1 5586.32 74 apron feeder 701,702:- scraper conveyor chain replacement includes detensioning of chain, dismantling of chain, repositioning of chain and tensioning of chain. (chain consists of 39 sections) time b 1 3081.96 75 apron feeder 701,702:- scraper conveyor part chain replacement includes detensioning of chain, dismaentling of chain, repositioning of chain and tensioning of chain. time a 2 3985.23 76 apron feeder 701,702:- scraper conveyor part chain replacement includes detensioning of chain, dismaentling of chain, repositioning of chain and tensioning of chain. time b 1 3081.96 77 apron feeder 701,702:- scraper conveyor chain shackle replacement includes detensioning of chain, changing of chain shackle, repositioning of chain andtensioning of chain no a 1 1379.30 78 apron feeder 701,702:- scraper conveyor chain shackle replacement includes detensioning of chain, changing of chain shackle, repositioning of chain andtensioning of chain no b 4 1061.48 79 apron feeder 701,702:- scraper conveyor flight replacement includes detensioning of chain, changing of flight, repositioning of chain and tensioning of chain. no a 40 3151.83 80 apron feeder 701,702:- scraper conveyor flight replacement includes detensioning of chain, changing of flight, repositioning of chain and tensioning of chain. no b 1 1061.48 81 stacker:-boom conveyor gearbox replacement including alignment no a 1 34682.39 82 stacker:-boom conveyor fluid coupling replacement including alignment no a 1 11891.12 83 stacker;- tripper pulley bearing checking no a 1 1981.86 84 removal & refitting of large balancer for inspection of pin housings, bearing etc. , while super structure of reclaimer is in lifted condition. no a 1 78355.15 85 removal & refitting of large balancer for inspection of pin housings, bearing etc. , while super structure of reclaimer is in lifted condition. no b 1 59863.74 86 stacker/reclaimer:-replacement of six wheel pin assy of fixed leg while large balancer is in removed condition. no a 1 3834.48 87 stacker/reclaimer :-replacement of six wheel pin assy of fixed leg while large balancer is in removed condition. no b 1 3750.85 88 stacker slew gearbox foundation bolt checking no a 1 593.91 89 stacker lub pump checking no b 1 354.28 90 reclaimer - 01, 02 & 03:-bucket chain clamps replacement / fixing. no a 26 286.1 91 reclaimer - 01, 02 & 03:-bucket chain clamps replacement / fixing. no b 1 176.92 92 reclaimer - 01, 02 & 03:-bucket chain rods replacement/fixing. no a 26 572.21 93 reclaimer - 01, 02 & 03:-bucket chain rods replacement/fixing. no b 8 353.84 94 reclaimer - 01, 02 & 03:-bucket chain mesh replacement. no a 20 1385.57 95 reclaimer - 01, 02 & 03:-bucket chain mesh replacement. no b 1 566.13 96 reclaimer - 01, 02 & 03:-bucket repair in situ.the repairing includes chain,backside clamp &body by cutting&welding. no a 58 3148.51 97 reclaimer - 01, 02 & 03:-bucket repair in situ.the repairing includes chain,backside clamp &body by cutting&welding. no b 1 566.13 98 reclaimer - 01, 02 & 03:-bucket replacement no a 2 7085.50 99 reclaimer - 01, 02 & 03:-bucket replacement no b 1 1773.78 100 reclaimer - 01, 02 & 03:-bucket repair consisting of chain mesh replacement, bucket body repair by welding. no a 10 6198.75 101 reclaimer - 01, 02 & 03:-bucket repair consisting of chain mesh replacement, bucket body repair by welding. no b 1 3396.74 102 reclaimer - 01, 02 & 03:-bucket hardfacing using suitable hard facing electrodes. hard facing electrodes shall be provided by nalco free of charges. no a 1 1726.63 103 reclaimer - 01, 02 & 03:-bucket hardfacing using suitable hard facing electrodes. no b 1 1061.48 104 stacker, reclaimer - 01, 02 & 03:-all leg bolts ,balancer bolts &pin joint side plate fasteners tightness checking (if required bolt replacement will be done) time a 1 9195.3 105 stacker, reclaimer - 01, 02 & 03:-all leg bolts ,balancer bolts &pin joint side plate fasteners tightness checking time b 1 5661.22 106 reclaimer - 01, 02 & 03:-bucket wheel inspection door opening forcleaning & box up no a 1 919.54 107 reclaimer - 01, 02 & 03:-bucket wheel inspection door opening forcleaning & box up no b 1 566.13 108 reclaimer - 01, 02 & 03:-bucket wheel support box replacement no a 1 2366.53 109 reclaimer - 01, 02 & 03:-bucket wheel support box replacement no b 1 1061.48 110 reclaimer - 01, 02 & 03:-bucket wheel drive coupling bush/pin/disc replacement no a 1 1549.69 111 reclaimer - 01, 02 & 03:-bucket wheel drive coupling bush/pin/disc replacement no b 1 1182.52 112 reclaimer - 01, 02 & 03:-bucket tooth replacement / bolt replacement no a 60 392.13 113 reclaimer - 01, 02 & 03:-bucket tooth replacement / bolt replacement no b 8 176.92 114 reclaimer bucket pin replacement no a 4 1574.82 115 reclaimer bucket pin replacement no b 120 1124.33 116 reclaimer - 01, 02 & 03:-bucket wheel drive gearbox support legbrgs./ vibration dampener replacement. no a 1 4512.19 117 reclaimer - 01, & 03:-bucket wheel drive gearbox lub pump replacement no a 1 849.19 118 reclaimer - 01, 02 & 03:-bucket wheel drive gear box input oil seal replacement includes removal & fixing of motor, coupling, changing of oil seal, topping of oil & all associated jobs. no a 8 4838.54 119 reclaimer - 01, 02 & 03:-bucket wheel drive fluid coupling replacement no b 1 3695.36 120 reclaimer - 01, 02 & 03:-bucket wheel drive gear box motor alignment. no a 1 2270.00 121 reclaimer - 01, 02 & 03:-bucket wheel oil hose replacement no a 1 1592.23 122 reclaimer - 02 :-bucket wheel gear box replacement includes decoupling at motor & bucket wheel end, removal of motor, positioning of gear box and alignment. no a 1 42569.50 123 reclaimer -02 :- b/w gear box antivibration pad assembly replacement no b 1 14616.08 124 reclaimer - 01, 02 & 03:-b/w nde bearing or housing replacement (includes removal & fixing of bucket wheel discharge chute. welding of required plates for jacking and any other activity required for this job). no a 1 31480.16 125 reclaimer - 01, 02 & 03:-b/w de/nde bearing checking no a 1 3468.25 126 reclaimer -001,002& 003 boom / bridge fluid coupling replacement which includes removal rotable invert, fixing of new flange coupling and aligning with the gear box. no a 1 5041.24 127 reclaimer - 001,003 boom / bridge gear coupling replacement which includes alignment & other associated jobs no a 1 19818.51 128 reclaimer - 2, boom/ bridge fluid coupling rubber pad replacement. no a 1 1839.06 129 reclaimer - 2, boom/ bridge fluid coupling rubber pad replacement. no b 1 1132.25 130 reclaimer - 01, 02 & 03:-bucket wheel replacement (includes shifting& erection of required props under the pylon or hanging of required counter weight at the desired location, removal of required counterweight if required, arranging suitable lifting arrangement for wheel, removal of bucket wheel drive system along with the foundation after loosening the shrink disc coupling and erecting the bucket wheel, the drive system and removal of hanging counter weights or props and inserting the removed counter weight and associated jobs.. fabrication of props is not in the scope of this job. however, fabrication of box for removal of counterweight is to be done by the contractor. matl. for fabrication of box shall be issued by nalco free of charges. also for shifting of props, gear box & removal of counterweight. crane / manual winch facilityshall be arranged by nalco free of charges. no a 1 3468.25 131 reclaimer - 01, 02 & 03:-bucket wheel replacement no b 1 4459.18 132 old stacker, new stacker,reclaimer - 01, 02 & 03:-replacement of lt drive bogie of stacker/ reclaimer. this job includes removal, refixing and alignment of motor and gear box, coupling and its associated parts. removal and refixing of grease distributor and its grease lines, cutting & welding of supports (as per requirement) and its to and fro transportation, erection,dismantling is in the scope of the contracter. however supports and lifting jacks and hydra/forklift will be provided by nalco. no a 1 39637.02 133 old stacker, new stacker,reclaimer - 01, 02 & 03:-replacement of lt follower bogie of stacker/ reclaimer.cutting & welding of supports (as per requirement) and its to and fro transportation, erection,dismantling is in the scope of the contracter. however supports and lifting jacks and hydra/forklift will be provided by nalco. no a 1 27745.92 134 stacker tripper / boom / reclaimer boom conveyor / bridge conveyor:- conveyor impact idler replacement. no a 198 604.46 135 stacker tripper / boom / reclaimer boom conveyor / bridge conveyor:- conveyor impact idler replacement. no b 94 424.60 136 stacker tripper / boom / reclaimer boom conveyor / bridge conveyor:- carrying idler replacement no a 154 604.46 137 stacker tripper / boom / reclaimer boom conveyor / bridge conveyor:- carrying idler replacement no b 24 424.60 138 stacker tripper / boom / reclaimer boom conveyor / bridge conveyor:- return idler / pressure idler replacement or fixing no a 60 774.85 139 stacker tripper / boom / reclaimer boom conveyor / bridge conveyor:- return idler / pressure idler replacement or fixing no b 1 591.27 140 stacker boom / reclaimer boom conveyor / bridge conveyor:- motor and gear box alignment no a 1 1890.47 141 stacker boom / reclaimer boom conveyor / bridge conveyor:- motor and gear box alignment no b 1 1349.18 142 stacker boom / reclaimer boom conveyor / bridge conveyor:- gear box replacement includes replacement of coupling, installing fluid coupling after alignment. transportation facility for shifting of gear box & crane for lifting of the gear box to reclaimer shall be provided by nalco free ofcharges. no a 1 14863.89 143 stacker boom / reclaimer boom conveyor / bridge conveyor:- gear box replacement no b 1 4622.94 144 stacker tripper / boom / reclaimer boom conveyor / bridge conveyor:- drive pulley replacement ( necessary crane facilities shall be providedby nalco free of charges) .gearbox ,fluid coupling dismantling&erection with alignment will be paid extra. no a 1 39637.02 ... more in document