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Bids Are Invited For Maintenance/Overhauling Of Milling System Its Associated Auxiliaries, Coal Piping Up To Burner Isolating Gate Of Bowl Mills With Mill Reject System Of 3X210 Mw, Atps, Anpara; 1 8000001981 Routine/Preventive/ maintenance of Bowl Mills, Seal Air Fans, Dampers of Unit No. 1, 2 & 3 of 3X210 MW, ATPS, Anpara. (Carrying out the above work in 03 shift in all the 03 units will be treated as one job.) 730 Job 2 8000007970 Replacement of roller journal assembly. 102 Jobs 3 8000008242 Servicing of Roller Journal Assembly. 102 Jobs 4 8000001555 Replacement of worn-out grinding roll with new / healthy one, when servicing of R.J. assembly is not allotted as separate job. 10 Nos. 5 8000023219 Servicing of pressure spring assembly. 100 Nos. 6 8000008244 Servicing of journal stop bolt assy. 120 Nos. 7 8000006602 Attending dust leakage from R.J. assy. cover. 10 Jobs. 8 8000007987 Replacement of Bull Ring Segments When replacement of R.J. assy. has been given as separate Job. 40 Nos. 9 8000007989 Replacement of Bull Ring Segments While R.J. assemblies are inside the mill. 6 Mill 10 8000020209 Refitting of dislocated clamping ring / bull ring segments, when replacement of R.J. assy. has been given separate job. 12 Jobs 11 8000021665 Replacement of air port ring assembly, When replacement of R.J. assy. has been given separate job. Complete set (One set consists of 06 pieces) 16 Jobs 12 8000022011 Replacement of air port ring assembly One piece of airport ring assembly. 20 jobs 13 8000020979 Repairing of air port ring assy. in situ condition. 20 Jobs 14 8000008431 Repairing of expansion joints after providing patches / welding with suitable electrode. 12 Jobs 15 8000008021 Replacement of bowl extension ring segments when replacement of R.J. assy. has been given as separate Job. 20 Mill 16 8000008023 Replacement of bowl extension ring segments while R.J. assemblies are inside the mill. 8 Mill 17 8000008092 Replacement of venturi outlet when replacement of MPO. & MDV has been given as separate Job. 4 Mill 18 8000021770 Replacement of venturi outlet while MPO & MDV are in their installed condition 2 Mill 19 8000008435 Repairing of venture outlet in installed condition 24 Nos. 20 8000008437 Repairing of venture neck in installed condition. 20 Nos. 21 8000021921 Replacement of MPO 40 Nos. 22 8000022468 Replacement of MDV 40 Nos. 23 8000007973 Replacement of transition piece. 40 Nos. 24 8000008423 Repairing of MPO/MDV/ Transition piece in situ condition by means of patch / welding. 300 Nos. 25 8000007966 Replacement of leaking victaulic coupling rubber gasket of MPO/MDV/ Transition piece. 160 Nos. 26 8000007745 Patching of R.C. feeder hopper chute / coal feed pipe in situ condition. 160 Nos. 27 8000008032 Replacement of coal feed pipe, (When replacement of MPO/MDV/ Venturi has not been given as separate job.) Up to 2.0 mtr. (Per joint) 4 Joint 28 8000008034 Replacement of coal feed pipe, (When replacement of MPO/MDV/Venturi has not been given as separate job.) Above 2.0 mtr. (Excluding joint) 12 Mtr. 29 8000022228 Replacement of classifier inner cone, when replacement of R.J. assemblies has been given as separate jobs. 18 Jobs 30 8000008429 Repairing of eroded portion of classifier inner cone. 36 Nos. 31 8000001543 Replacement of classifier blade. 462 Nos. 32 8000013137 Adjustment of classifier blade operating linkage mechanism. 20 Mill 33 8000001579 Replacement / repairing of scrapper guard assembly. 120 Nos. 34 8000007968 Replacement of mill side liners, when replacement of R.J. assy. has been given as separate job. 16 Mill 35 8000001585 Repairing of mill side liners by patch work / welding. 20 Mill 36 8000020430 Repairing / replacement of mill side bottom liners. 130 Nos. 37 8000007957 Replacement of bottom insulation cover plate (Complete set) 16 Mill 38 8000008425 Repairing of bottom insulation cover plate. 16 Jobs 39 8000006681 Checking / replacement of mechanical face seal. 12 Jobs 40 8000006604 Attending dust leakage from mechanical face seal. 16 Mill 41 8000007946 Replacement / Resetting of dislocated lower / upper skirt assembly 6 Mill 42 8000006679 Checking / replacement of worm shaft bearing. 12 Mill 43 8000006683 Checking / replacement of lower radial bearing / thrust bearing of mill along with cleaning / replacement of oil pump hub and housing. 2 Mill 44 8000007168 Decoupling of mill motor geared coupling. 10 Jobs 45 8000007884 Removal & installation of geared coupling of mill motor & worm shaft. 6 Jobs 46 8000007511 Mill Motor alignment and final coupling. 10 Jobs 47 8000008433 Repairing of separator body, when replacement of R.J. assy. has been given as separate job. 8 Mill 48 8000007747 Patching on separator body / mill side. 40 Jobs 49 8000008427 Repairing of bowl in situ condition 6 Mill 50 8000008111 Replacements of bowl hub cover, when replacement of R.J. assy. has been given as separate job. 12 Jobs 51 8000007505 Making of thread hole of dia. 24 mm on bottom surface of bowl hub by drilling & tapping 100 Nos. 52 8000021398 Replacement / Servicing of oil cooler of mill in situ condition. 6 Nos. 53 8000008111 Replacement / Repairing of manhole of separator body / mill side / duct by metal build up on eroded portion by welding and grinding. 12 Nos. 54 8000007338 Hard facing of bowl mill spares by 2" Sq chequering pattern using sequence welding technique in situ condition with suitable hard facing electrode. 80 Sqm. 55 8000006766 Complete hard facing of cap of air port ring assy. & bowl extension ring by 2" Sq chequering with suitable hard facing electrode. 4 Jobs 56 8000006578 Adjustment of trunion shaft 40 Nos. 57 8000007942 Replacement / repairing of R.J. guard. 62 Nos. 58 8000007350 Inspection of upper radial bearing when checking/replacement of mechanical face seal has been given as separate job. 24 Nos. 59 8000007963 Replacement of damaged grill of working platform of bowl mills of all three units. 20 MT 60 8000008246 Servicing of monorail trolley at Bowl Mills of 3X210 MW units ATPS, Anpara. Capacity 06 MT 24 Nos. 61 8000008248 Servicing of monorail trolley at Bowl Mills of 3X210 MW units ATPS, Anpara. Capacity 03 MT 12 Nos. 62 8000008420 Repairing of Damaged grill of working Platform of Bowl Mill of Unit#1, 2, & 3 800 Sq.m. 63 8000006780 Cutting of Lower skirt of desired measurement. 20 piece 64 8000018471 Major O/H of Bowl Mill XRP-803 10 Job 65 8000002809 Cleaning/Replacement of oil collector of Bowl Mill XRP-803 4 Job 66 8000002808 Replacement of main vertical shaft of Bowl Mill XRP-803 4 Job 67 8000002734 Replacement of upper radial bearing of Bowl Mill XRP-803 4 Job 68 8000002966 Round the clock Routine / Preventive maintenance of Raw Coal Feeders, Coal Piping, Bends & Elbows of unit no. # 1, 2 and 3 of 3X210 MW, ‘A’TPS, Anpara (Carrying out the above work in 03 shifts in all the 03 units of Anpara ATPS will be treated as one job.) 730 Job 69 8000002152 Cleaning / removal of choking from the split raw coal pipe / SS conical pipe from coal bunker outlet gate to bowl mill in rainy season chocked due to wet coal in the form of slurry / sticky. (Carrying out the above work in one shift in all the three units of Anpara ATPS will be treated as one job.) 720 Job 70 8000021320 Repairing/Replacement of feed roll blade. 140 No 71 8000019239 Overhauling of Raw Coal Feeder 10 No 72 8000021317 Repairing/Replacement of worn out & bulged SS liners of RCF. 10 No 73 8000023356 Servicing of feed inlet gate. 20 No 74 8000008133 Resetting of dresser coupling. 20 No 75 8000023389 Servicing of hot air damper of RC Feeder. 10 No 76 8000023442 Servicing of seal air valves 12 No 77 8000008113 Replacing / setting of leveler plate. 30 No 78 8000006670 Changing the spider assembly/feed roll shaft of RCF 10 No 79 8000017040 Checking / servicing of feed roll shaft bearing. 10 No 80 8000021667 Replacement of feed roll shaft bearing / GM Seal. 10 jobs 81 8000006702 Checking/changing of bearing/bushes of hinge gate shaft. 10 jobs 82 8000006656 Changing hinge gate shaft. 10 No. 83 8000006665 Changing of mill outlet elbow 16 No. 84 8000021100 Repairing of mill outlet elbow in installed condition by welding & providing patch on eroded portion. 40 No. 85 8000006667 Changing of worn-out straight coal pipe with new one (excluding joint) 240 RM 86 8000008368 Welding of straight coal pipe joint as under 240 joint 87 8000022217 Replacement of pulverized fuel pipe bend by new/repaired bends of 60º and above Cast steel 20 No. 88 8000008082 Replacement of pulverized fuel pipe bend, angles by new/repaired bends of 60º and above MS Basalt /cereline 50 No. 89 8000022061 Replacement of pulverized fuel pipe bend below 60º Cast steel 16 No. 90 8000008084 Replacement of pulverized fuel pipe bend below 60º MS Basalt / cereline 16 No. 91 8000021123 Repairing of pulverized fuel pipe bends of different angles in installed condition by welding/providing patch on eroded portion. 70 Nos. 92 8000021595 Replacement of victaulic coupling rubber gasket 70 Nos. 93 8000020897 Repairing of Coal pipe flanges ring. 40 Nos. 94 8000021649 Replacement of new coal pipe flange ring 12 Nos. 95 8000022365 Replacement of Orifices in Coal pipe. 20 Nos. 96 8000007893 Removal of choking of Coal piping. 20 Nos. 97 8000016371 Alignment and fixing of hanger support of fuel piping. 80 Nos. 98 8000021557 Replacement/Repairing of complete RC Feeder Assy. 2 Nos. 99 8000021145 Repairing of straight coal pipe by providing patches/welding on eroded portion in installed position at various location. 150 Nos. 100 8000021568 Replacement of R C Feeder hopper chutes by new/repaired. 10 Nos. 101 8000020968 Repairing of SS Coal pipe from Raw Coal Bunker to RCF by welding / providing patch by suitable SS Electrodes. 10 Nos. 102 8000023310 Servicing of RC Feeder gear box 10 Job 103 8000018117 Fabrication and erection of platform, ladder /railing etc and misc. various steel structures in boiler area of unit1, 2 &3. 2 MT 104 8000006607 Attending oil leakage from RC Feeder gear box 4 Job 105 8000025694 Opening of pyrite hopper gate for removal of pyrites from pyrite hoppers of bowl mill of all the three units and removal of its chocking. (work in per unit per shift will be treated as one job) 6570 Jobs 106 8000025698 Operation of CMR Belt and sump pump and routine checking of main drive gear box, pulleys, sump pump, flap gate, attending of minor air leakage from pyrite hopper, greasing of all types of pulleys / sump pump, make up oil in main gear box and other minor nature of misc. works. [This work shall be carried out in all three shifts. It one shift will be treated as one Job] 2190 Jobs 107 8000025643 Cleaning of entire CMR trench, desk plate, out-side of the trench, ladders, equipment on storage bin platforms, structure, sump pump floor & pits. 1460 Jobs 108 8000018776 Mechanical loading of coal mill reject from CMR storage bin, its transportation & unloading in the dumping yard within a radial distance of 04 KM with dumper. 20000 m3 109 8000018750 Manual loading of coal mill reject from mill area near pyrite hopper & under the structure of CMR system, its transportation & unloading in the dumping yard within a radial distance of 04 Km with tractor trolley/dumper 600 m3 110 8000021534 Replacement of damaged carrying / return / impact idlers by new / repaired 240 Nos. 111 8000012818 Replacement of damaged idler frame / bracket 60 Nos. 112 8000021031 Repairing of damaged carrying / return / impact idlers 60 Nos. 113 8000004305 Re-fixing of dislocated idlers from their frames / brackets 40 Nos. 114 8000020939 Repairing of idlers frame/bracket by cutting, welding and machining. 6 Job 115 8000023714 Splicing of belt by hot vulcanizing joint and preparation of joint including removal of roller structure etc. required for carrying out the work and refitting the same after completion of work 4 Joint 116 8000023715 Splicing of belt by cold vulcanizing joint and preparation of joint including removal of roller structure etc. required for carrying out the work and refitting the same after completion of work 8 Joint 117 8000004236 Conveyor belt jointing by means of clamping system work including removing of idlers and refitting the same after completion of work. Clamp for jointing shall be arranged by the agency. 4 Joint 118 8000004287 Laying of new / old & healthy conveyer belt 160 Mtrs. 119 8000004315 Removal of damaged belt and shifting of the same to scrap yard 160 Mtrs. 120 8000022556 Replacement/repairing of pyrite hopper gate/flap/shaft etc. 40 Job 121 8000021120 Repairing of pyrite hopper body by cutting, welding, patching etc. 30 Nos. 122 8000021689 Replacement of Head Pulley 4 Nos. 123 8000021973 Replacement of Snub / Bend Pulley 4 Nos. 124 8000022482 Replacement of Take-up Pulley 4 Nos. 125 8000021690 Replacement of Tail Pulley 4 Nos. 126 8000021020 Repairing of different damaged pullies of CMR system already removed by cutting, welding, machining etc. 4 Nos. 127 8000021659 Replacement of damaged bearing/plumber block/sleeve of different pullies 4 Nos. 128 8000022358 Replacement of bearings of gear box of CMR system 2 Job 129 8000004144 Attending oil leakage from gear box of CMR system 2 Job 130 8000017468 Complete overhauling of gearbox of CMR system 2 Job 131 8000020232 Removal and remounting of coupling of gear box / motor 2 Job 2132 8000004139 Alignment of gear box with motor & main pulley 2 Job 133 8000017497 Complete overhauling of pyrite hopper assy. 4 Job 134 8000018973 Neoprene rubber lagging on different pullies (herring diamond / bones grooved + 5% shore hardness 10 to 12 mm thick neoprene rubber will be arranged by agency) 2 m2 135 8000004216 Cleaning of storage bin 4 Nos. 136 8000000796 Complete overhauling of Sump Pumps 4 Job 137 8000021174 Repairing of take-up guides and their positioning, strengthening etc. 6 Job 138 8000021078 Repairing of flap gate of storage bin 4 Job 139 8000021617 Replacement of liner plate of storage bin 2 m2 140 8000021127 Replacement of liner plate of pyrite hopper 4 Job 141 8000021806 Replacement of damaged gearbox by new /repaired. 2 Job 142 8000004329 Removal, fabrication, re-erection and alignment of damaged/eroded stringer, channel, support, deck sheet etc, of conveyer bed. 8 Mtr. 143 8000004328 Removal, fabrication and re-installation of worn-out/damaged hopper plate from gratings of CMR system along with their supporting channels/beams/angles etc. 4 Mtr 144 8000004260 Fabrication of new pyrite hopper gate. 8 Nos.
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