Bids Are invited for Repair, Maintenance, And Installation Of Plant/ Systems/Equipments (Version 2) - Thermal Power Plant; Preventive / Breakdown Maintenance Of Bowl Mills Of 3X200 Mw Units, Btps, Obra; Service Provider - Replacement Of Roller Journa
Tender Overview
Project Description
Bids Are invited for Repair, Maintenance, And Installation Of Plant/ Systems/Equipments (Version 2) - Thermal Power Plant; Preventive / Breakdown Maintenance Of Bowl Mills Of 3X200 Mw Units, Btps, Obra; Service Provider - Replacement Of Roller Journal Assy. , Changing Of Bull Ring Segment , Servicing Of R. J. Assy. , Repairing Of Eroded Portion Of Classifier Cone , Replacement Of Bowl Extension Ring , Replacement Of Bowl Hub Cover , Servicing/Replacement Of Complete Spring Assy. , Changing Of Worm Shaft Bearing , Checking Of Worm Shaft Bearing , Checking Of Lower Radial Brg./ Thrust Brg. Of Bowl Mill. , Replacement Of Mechanical Face Seal , Fitting Of Upper Skirt Assy. , Changing Of Gear Coupling , Replacement Of Expansion Joint Of Hot /Cold Air Duct , Servicing Of Cold Air Gate. , Replacement Of Upper Radial Brg. Housing , Replacement Of Mill Bottom , Replacement Of Mill Sep. Top Assy. , Refitting Of Bowl Hub Cover When One R.J.Assy Is Out , Decoupling Or Coupling Of Mill-Motor , Removal Of Foreign Materials Like Stone Boulders/Iron Pieces Etc. From Bowl Mills. , Replacement Of Worn Out Classifier Blades. , Replacement Of R.J. Assy Along With Grinding Rolls , Checking Of Matching Of Rim Gear And Its Face Out , Checking Of T-811 Brg Of Bowl Mill , Arresting/Closing Of Dust Leakage From Mill Bottom Cover , Refitting Of Trunion End Cap . , Cleaning Of Hot Air Duct ( During Shutdown). , Replacement Of Rcf Hopper (For Ss Hopper) , Replacement Of Rcf Hopper (For Ms Hopper) , Changing Of Mpo/Mpo Plate , Alignment And Coupling Of Mill-Motor , Making New Tapped Holes In The Bottom Of Bowl Hub , Repairing/ Replacing Damaged Insulation Cover Plate Of B/M , Repairing/Replacing Mill Bottom Liner , Changing Of Victaulic Coupling Gasket Of Mpo/Mdv/Orifice , Servicing Of Hot Air Gates , Replacement Of Mdv. , Welding In Hot Air Duct/Cold Air Duct/Header , Changing Of Seal Of Pneumatic Power Cylinders Of Hot Air Gate , Servicing Of Pyrite Hopper D Er , Repairing/Replacing Scrapper Guard Assy In Running Condition Of Unit , Repairing/Replacing Scrapper Guard Assy In Boxed Up Condition Of Unit , Removal Of Chocking Of Coal Or Other Foreign Materials From Centre Feed Pipe Below Rcf Upto Bowl Mill , Removal Of Chocking Of Coal Of Mill , Repairing Of Pyrite Hopper , Servicing Of Hot Air D Ers , Replacement Of Venturie Outlet Of Bowl Mill , Repair/Replacement Of Vanes/Gusset Of Vane Wheel Assy. , Welding In Sep. Body Cover Plate/Body Liner/Bowl Extension Ring , Hardfacing In Bowl Extn.Ring Cap , Installation Of Restriction Ring(1 Set 6 Pcs) , Removal Of Restriction Ring And Block Off (1 Mill) , Servicing Of Journal Stop Bolt , Servicing Of Pressure Spring Assy. , Servicing Of Ground Mounted Seal Air Fan , Adjustment Of Classifier Blade Operating Mechanism , Cleaning Of Oil Cooler. , Replacement Of Worm Shaft Gland Packing. , Routine Checking Of Bowl Mill & Adjusting Ring-Roll And Pressure Spring Gap. , Topping-Up Of Oil In Gear Case Housing. , Greasing Of Mill-Motor Coupling. , Greasing Of Pressure Spring Assy Of One Mill. , Flushing Of Return Oil Line Of Upper Rad. Brg. , Replacement Of Oil Of R.J. Assy , Arresting Of Oil Leakage From Worm Shaft Cover , Checking And Adjusting Of Compression Of Pressure Spring Assy , Oiling Of Brg. Housing Of Classifier Mechanism Of B/M. , Servicing Of Power Cylinder Of Hot Air Gate , Changing Of Gland Rope In Hot Air Gate , Filling Of Oil In Gear Housing. , Servicing Of Seal Air Header Valves Of Mill , Flushing Of Oil Pump Hub. , Replacement Of Hot Air Gate Plate Assy. , Replacement Of Oil Cooler Assy. , Cleaning Of Hot Air/Cold Air Pa Common Duct , Servicing Of 10 Mt Mono Rail Over Head Crane , Cleaning Of Cooling Water System Of Bowl Mill , Cleaning Of Seal Air Header And Individual Pipe Line Of All B/M , Fabrication Of Mill Side Liner Of Bowl Mill Xrp-803 , Repairing And Hard Facing Of Old & Used Classifier Cone , Reclamation Of Old & Used Mill Bottom Of Bowl Mill Xrp-803 , Repairing & Double Plating Of Mpo Of Bowl Mill , Repairing Of Venturi Outlet Of Bowl Mill , Repairing Of Pyrite Hopper Of Bowl Mill , Fabrication Of Separator Body Protection Liner , Repairing Of Mpo Base Plate , Repairing Of Eroded Separator Body Protection Liner , Fabrication Of Bowl Hub Cover , Fabrication Of Block Of Plate Along With Its Support , Welding Of New Blocker Plate & Support (01 Set) Below Grinding Roll On Bowl Mill Body (When Complete Rj Assembly Is In Removal Position) , Fabrication Of Venturi Liner Of O Collar Of Bowl Mill (1 Set 4 Nos.) , Repairing /Replacement Of Venturi Liner In O Collar Of Bowl Mill(1 Set 4 Nos.) , Changing Of Airport Ring Assembly Of Mpsp System Of Bowl Mill Complete Set , Changing Of Airport Ring Assembly Of Mpsp System Of Bowl Mill Single Piece , Repairing Of Airport Ring Assembly Of Mpsp System Of Bowl Mill Single Piece , Patching Of Rc Feeder Hopper Chute/Coal Feed Pipe In Situ Condition , Replacement Of Classifier Cone Of Bowl Mill
BOQ
| Sl. No. | Item Title | Item Description |
| 1 | Replacement of Roller Journal Assy. | Replacement of Roller Journal Assy. |
| 2 | Changing of Bull Ring Segment | Changing of Bull Ring Segment |
| 3 | Servicing of R. J. assy. | Servicing of R. J. assy. |
| 4 | Repairing of eroded portion of Classifier Cone | Repairing of eroded portion of Classifier Cone |
| 5 | Replacement of Bowl Extension Ring | Replacement of Bowl Extension Ring |
| 6 | Replacement of Bowl Hub Cover | Replacement of Bowl Hub Cover |
| 7 | Servicing/Replacement of complete spring Assy. | Servicing/Replacement of complete spring Assy. |
| 8 | Changing of worm shaft Bearing | Changing of worm shaft Bearing |
| 9 | Checking of Worm shaft Bearing | Checking of Worm shaft Bearing |
| 10 | Checking of Lower Radial Brg./ Thrust Brg. of Bowl Mill. | Checking of Lower Radial Brg./ Thrust Brg. of Bowl Mill. |
| 11 | Replacement of Mechanical face Seal | Replacement of Mechanical face Seal |
| 12 | Fitting of Upper Skirt Assy. | Fitting of Upper Skirt Assy. |
| 13 | Changing of Gear Coupling | Changing of Gear Coupling |
| 14 | Replacement of expansion joint of Hot /Cold Air Duct | Replacement of expansion joint of Hot /Cold Air Duct |
| 15 | Servicing of Cold Air Gate. | Servicing of Cold Air Gate. |
| 16 | Replacement of Upper Radial Brg. Housing | Replacement of Upper Radial Brg. Housing |
| 17 | Replacement of Mill Bottom | Replacement of Mill Bottom |
| 18 | Replacement of Mill Sep. Top Assy. | Replacement of Mill Sep. Top Assy. |
| 19 | Refitting of Bowl Hub Cover when one R.J.Assy is out | Refitting of Bowl Hub Cover when one R.J.Assy is out |
| 20 | Decoupling or coupling of Mill-Motor | Decoupling or coupling of Mill-Motor |
| 21 | Removal of foreign Materials like stone boulders/Iron pieces etc. from Bowl Mills. | Removal of foreign Materials like stone boulders/Iron pieces etc. from Bowl Mills. |
| 22 | Replacement of worn out Classifier Blades. | Replacement of worn out Classifier Blades. |
| 23 | Replacement of R.J. Assy along with Grinding Rolls | Replacement of R.J. Assy along with Grinding Rolls |
| 24 | Checking of matching of Rim Gear and its face out | Checking of matching of Rim Gear and its face out |
| 25 | Checking of T-811 Brg of Bowl Mill | Checking of T-811 Brg of Bowl Mill |
| 26 | Arresting/closing of dust leakage from Mill Bottom Cover | Arresting/closing of dust leakage from Mill Bottom Cover |
| 27 | Refitting of Trunion End Cap . | Refitting of Trunion End Cap . |
| 28 | Cleaning of Hot Air duct ( During Shutdown). | Cleaning of Hot Air duct ( During Shutdown). |
| 29 | Replacement of RCF Hopper (for SS Hopper) | Replacement of RCF Hopper (for SS Hopper) |
| 30 | Replacement of RCF Hopper (for MS Hopper) | Replacement of RCF Hopper (for MS Hopper) |
| 31 | Changing of MPO/MPO plate | Changing of MPO/MPO plate |
| 32 | Alignment and coupling of Mill-Motor | Alignment and coupling of Mill-Motor |
| 33 | Making new tapped holes in the Bottom of Bowl Hub | Making new tapped holes in the Bottom of Bowl Hub |
| 34 | Repairing/ replacing damaged insulation cover plate of B/M | Repairing/ replacing damaged insulation cover plate of B/M |
| 35 | Repairing/Replacing Mill Bottom Liner | Repairing/Replacing Mill Bottom Liner |
| 36 | Changing of Victaulic coupling gasket of MPO/MDV/Orifice | Changing of Victaulic coupling gasket of MPO/MDV/Orifice |
| 37 | Servicing of Hot Air Gates | Servicing of Hot Air Gates |
| 38 | Replacement of MDV. | Replacement of MDV. |
| 39 | Welding in Hot Air duct/Cold Air duct/Header | Welding in Hot Air duct/Cold Air duct/Header |
| 40 | Changing of Seal of Pneumatic Power Cylinders of Hot Air Gate | Changing of Seal of Pneumatic Power Cylinders of Hot Air Gate |
| 41 | Servicing of pyrite hopper damper | Servicing of pyrite hopper damper |
| 42 | Repairing/Replacing Scrapper Guard Assy in running condition of unit | Repairing/Replacing Scrapper Guard Assy in running condition of unit |
| 43 | Repairing/Replacing Scrapper Guard Assy in boxed up condition of unit | Repairing/Replacing Scrapper Guard Assy in boxed up condition of unit |
| 44 | Removal of chocking of coal or other foreign materials from Centre Feed Pipe below RCF upto Bowl Mill | Removal of chocking of coal or other foreign materials from Centre Feed Pipe below RCF upto Bowl Mill |
| 45 | Removal of Chocking of coal of Mill | Removal of Chocking of coal of Mill |
| 46 | Repairing of pyrite hopper | Repairing of pyrite hopper |
| 47 | Servicing of Hot air Dampers | Servicing of Hot air Dampers |
| 48 | Replacement of Venturie outlet of Bowl Mill | Replacement of Venturie outlet of Bowl Mill |
| 49 | Repair/replacement of Vanes/Gusset of vane wheel assy. | Repair/replacement of Vanes/Gusset of vane wheel assy. |
| 50 | Welding in Sep. Body Cover Plate/Body Liner/Bowl extension Ring | Welding in Sep. Body Cover Plate/Body Liner/Bowl extension Ring |
| 51 | Hardfacing in Bowl Extn.Ring Cap | Hardfacing in Bowl Extn.Ring Cap |
| 52 | Installation of Restriction Ring(1 set 6 pcs) | Installation of Restriction Ring(1 set 6 pcs) |
| 53 | Removal of Restriction Ring and Block off (1 Mill) | Removal of Restriction Ring and Block off (1 Mill) |
| 54 | Servicing of Journal Stop Bolt | Servicing of Journal Stop Bolt |
| 55 | Servicing of Pressure Spring Assy. | Servicing of Pressure Spring Assy. |
| 56 | Servicing of ground mounted Seal Air Fan | Servicing of ground mounted Seal Air Fan |
| 57 | Adjustment of Classifier blade operating mechanism | Adjustment of Classifier blade operating mechanism |
| 58 | Cleaning of Oil Cooler. | Cleaning of Oil Cooler. |
| 59 | Replacement of Worm Shaft Gland Packing. | Replacement of Worm Shaft Gland Packing. |
| 60 | Routine Checking of Bowl Mill & adjusting Ring-Roll and Pressure Spring gap. | Routine Checking of Bowl Mill & adjusting Ring-Roll and Pressure Spring gap. |
| 61 | Topping-up of Oil in Gear Case housing. | Topping-up of Oil in Gear Case housing. |
| 62 | Greasing of Mill-Motor Coupling. | Greasing of Mill-Motor Coupling. |
| 63 | Greasing of Pressure Spring Assy of one Mill. | Greasing of Pressure Spring Assy of one Mill. |
| 64 | Flushing of return oil line of upper Rad. Brg. | Flushing of return oil line of upper Rad. Brg. |
| 65 | Replacement of oil of R.J. Assy | Replacement of oil of R.J. Assy |
| 66 | Arresting of oil leakage from Worm Shaft Cover | Arresting of oil leakage from Worm Shaft Cover |
| 67 | Checking and adjusting of compression of Pressure Spring Assy | Checking and adjusting of compression of Pressure Spring Assy |
| 68 | Oiling of Brg. Housing of Classifier Mechanism of B/M. | Oiling of Brg. Housing of Classifier Mechanism of B/M. |
| 69 | Servicing of Power Cylinder of Hot Air Gate | Servicing of Power Cylinder of Hot Air Gate |
| 70 | Changing of gland rope in Hot Air Gate | Changing of gland rope in Hot Air Gate |
| 71 | Filling of oil in gear housing. | Filling of oil in gear housing. |
| 72 | Servicing of Seal Air Header Valves of Mill | Servicing of Seal Air Header Valves of Mill |
| 73 | Flushing of Oil Pump Hub. | Flushing of Oil Pump Hub. |
| 74 | Replacement of Hot Air Gate Plate Assy. | Replacement of Hot Air Gate Plate Assy. |
| 75 | Replacement of Oil Cooler assy. | Replacement of Oil Cooler assy. |
| 76 | Cleaning of Hot Air/Cold air PA common duct | Cleaning of Hot Air/Cold air PA common duct |
| 77 | Servicing of 10 MT mono rail over head crane | Servicing of 10 MT mono rail over head crane |
| 78 | Cleaning of cooling water system of Bowl Mill | Cleaning of cooling water system of Bowl Mill |
| 79 | Cleaning of Seal Air header and individual pipe line of all B/M | Cleaning of Seal Air header and individual pipe line of all B/M |
| 80 | Fabrication of Mill Side Liner of Bowl Mill XRP-803 | Fabrication of Mill Side Liner of Bowl Mill XRP-803 |
| 81 | Repairing and Hard facing of old & used Classifier Cone | Repairing and Hard facing of old & used Classifier Cone |
| 82 | Reclamation of old & used mill bottom of Bowl Mill XRP-803 | Reclamation of old & used mill bottom of Bowl Mill XRP-803 |
| 83 | Repairing & double plating of MPO of Bowl Mill | Repairing & double plating of MPO of Bowl Mill |
| 84 | Repairing of Venturi outlet of Bowl Mill | Repairing of Venturi outlet of Bowl Mill |
| 85 | Repairing of pyrite hopper of Bowl Mill | Repairing of pyrite hopper of Bowl Mill |
| 86 | Fabrication of separator body Protection liner | Fabrication of separator body Protection liner |
| 87 | Repairing of MPO base plate | Repairing of MPO base plate |
| 88 | Repairing of eroded separator body Protection liner | Repairing of eroded separator body Protection liner |
| 89 | Fabrication of Bowl hub cover | Fabrication of Bowl hub cover |
| 90 | Fabrication of block of plate along with its support | Fabrication of block of plate along with its support |
| 91 | Welding of new blocker plate & Support (01 set) below grinding roll on bowl mill body (when complete RJ assembly is in removal position) | Welding of new blocker plate & Support (01 set) below grinding roll on bowl mill body (when complete RJ assembly is in removal position) |
| 92 | Fabrication of Venturi Liner of O collar of Bowl Mill (1 set 4 Nos.) | Fabrication of Venturi Liner of O collar of Bowl Mill (1 set 4 Nos.) |
| 93 | Repairing /Replacement of Venturi Liner in O collar of Bowl Mill(1 set 4 Nos.) | Repairing /Replacement of Venturi Liner in O collar of Bowl Mill(1 set 4 Nos.) |
| 94 | Changing of Airport ring assembly of MPSP system of Bowl Mill complete set | Changing of Airport ring assembly of MPSP system of Bowl Mill complete set |
| 95 | Changing of Airport ring assembly of MPSP system of Bowl Mill single Piece | Changing of Airport ring assembly of MPSP system of Bowl Mill single Piece |
| 96 | Repairing of Airport ring assembly of MPSP system of Bowl Mill single Piece | Repairing of Airport ring assembly of MPSP system of Bowl Mill single Piece |
| 97 | Patching of RC Feeder Hopper Chute/coal feed pipe in situ condition | Patching of RC Feeder Hopper Chute/coal feed pipe in situ condition |
| 98 | Replacement of Classifier Cone of Bowl mill | Replacement of Classifier Cone of Bowl mill |
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