Tender For Round The Clock Shift/ Breakdown Maintenance Of Bowl Mills 5X200 Mw Btps Obra - Round The Clock Shift Maintenance Work Of Bowl Mill Coal Pipe Lines Attending Coal Dust Leakages. Topping Of Oil In Auxiliaries, Adjusting Rollers Of Running Bowl M, obra-Uttar Pradesh

Tender For Round The Clock Shift/ Breakdown Maintenance Of Bowl Mills 5X200 Mw Btps Obra - Round the clock shift maintenance work of bowl mill coal pipe lines attending coal dust leakages. Topping of oil in auxiliaries, adjusting rollers of running bowl mills, changing of gland packing etc. in 5X200 MW Units. 2 Replacement of Roller Journal Assy. 3 Changing of Bull Ring Segment 4 Servicing of R. J. assy. 5 Repairing of eroded portion of Classifier Cone 6 Replacement of Bowl Extension Ring 7 Replacement of Bowl Hub Cover 8 Servicing/Replacement of complete spring Assy. 9 Changing of worm shaft Bearing 10 Checking of Worm shaft Bearing 11 Checking of Lower Radial Brg./ Thrust Brg. of Bowl Mill. 12 Replacement of Mechanical face Seal 13 Fitting of Upper Skirt Assy. 14 Changing of Gear Coupling 15 Replacement of expansion joint of Hot /Cold Air Duct 16 Servicing of Cold Air Gate. 17 Replacement of Upper Radial Brg. Housing 18 Replacement of Mill Bottom 19 Replacement of Mill Sep. Top Assy. 20 Refitting of Bowl Hub Cover when one R.J.Assy is out 21 Decoupling or coupling of Mill-Motor 22 Removal of foreign Materials like stone boulders/Iron pieces etc. from Bowl Mills. 23 Replacement of worn out Classifier Blades. 24 Replacement of R.J. Assy along with Grinding Rolls 25 Checking of matching of Rim Gear and its face out 26 Checking of T-811 Brg of Bowl Mill 27 Arresting/closing of dust leakage from Mill Bottom Cover 28 Refitting of Trunion End Cap . 29 Cleaning of Hot Air duct ( During Shutdown). 30 Replacement of RCF Hopper (for SS Hopper) 31 Replacement of RCF Hopper (for MS Hopper) 32 Changing of MPO/MPO plate 33 Alignment and coupling of Mill-Motor 34 Making new tapped holes in the Bottom of Bowl Hub 35 Repairing/ replacing damaged insulation cover plate ofB/M 36 Repairing/Replacing Mill Bottom Liner 37 Changing of Victaulic coupling gasket of MPO/MDV/Orifice 38 Servicing of Hot Air Gates 39 Replacement of MDV. 40 Welding in Hot Air duct/Cold Air duct/Header 41 Changing of Seal of Pneumatic Power Cylinders of Hot Air Gate 42 Servicing of pyrite hopper damper 43 Repairing/Replacing Scrapper Guard Assy in running condition of unit 44 Repairing/Replacing Scrapper Guard Assy in boxed up condition of unit 45 Removal of chocking of coal or other foreign materials from Centre Feed Pipe below RCF upto Bowl Mill 46 Removal of Chocking of coal of Mill 47 Repairing of pyrite hopper 48 Servicing of Hot air Dampers 49 Replacement of Venturie outlet of Bowl Mill 50 Repair/replacement of Vanes/Gusset of vane wheel assy. 51 Welding in Sep. Body Cover Plate/Body Liner/Bowl extension Ring 52 Hardfacing in Bowl Extn.Ring Cap 53 Installation of Restriction Ring(1 set= 6 pcs) 54 Removal of Restriction Ring and Block off (1 Mill) 55 Servicing of Journal Stop Bolt 56 Servicing of Pressure Spring Assy. 57 Servicing of ground mounted Seal Air Fan 58 Adjustment of Classifier blade operating mechanism 59 Cleaning of Oil Cooler. 60 Replacement of Worm Shaft Gland Packing. 61 Routine Checking of Bowl Mill & adjusting Ring-Roll and Pressure Spring gap. 62 Topping-up of Oil in Gear Case housing. 63 Greasing of Mill-Motor Coupling. 64 Greasing of Pressure Spring Assy of one Mill. 65 Flushing of return oil line of upper Rad. Brg. 66 Replacement of oil of R.J. Assy 67 Arresting of oil leakage from Worm Shaft Cover 68 Checking and adjusting of compression of Pressure Spring Assy 69 Oiling of Brg. Housing of Classifier Mechanism of B/M. 70 Servicing of Power Cylinder of Hot Air Gate 71 Changing of gland rope in Hot Air Gate 72 Filling of oil in gear housing. 73 Servicing of Seal Air Header Valves of Mill 74 Flushing of Oil Pump Hub. 75 Replacement of Hot Air Gate Plate Assy. 76 Replacement of Oil Cooler assy. 77 Cleaning of Hot Air/Cold air PA common duct 78 Servicing of 10 MT mono rail over head crane 79 Cleaning of cooling water system of Bowl Mill 80 Cleaning of Seal Air header and individual pipe line of all B/M 81 Fabrication of Mill Side Liner of Bowl Mill XRP-803 82 Repairing and Hard facing of old & used Classifier Cone 83 Reclamation of old & used mill bottom of Bowl Mill XRP-803 84 Repairing & double plating of MPO of Bowl Mill 85 Repairing of Venturi outlet of Bowl Mill 86 Repairing of pyrite hopper of Bowl Mill 87 Fabrication of separator body Protection liner 88 Repairing of MPO base plate 89 Repairing of eroded separator body Protection liner 90 Fabrication of Bowl hub cover 91 Fabrication of block of plate along with its support 92 Welding of new blocker plate & Support (01 set) below grinding roll on bowl mill body (when complete RJ assembly is in removal position) 93 Fabrication of Venturi Liner of ‘O’ collar of Bowl Mill (1 set=4 Nos.) 94 Repairing /Replacement of Venturi Liner in ‘O’ collar of Bowl Mill(1 set=4 Nos.) 95 Changing of Airport ring assembly of MPSP system of Bowl Millcomplete set 96 Changing of Airport ring assembly of MPSP system of Bowl Mill single Piece 97 Repairing of Airport ring assembly of MPSP system of Bowl Mill single Piece 98 Patching of RC Feeder Hopper Chute/coal feed pipein situ condition 99 Replacement of Classifier Cone of Bowl mill

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	29-06-2025	DATE	Date	02-07-2025

INR 2360 /-

INR 40000.0 /-

INR 39.40 Lakhs /-