Central Coalfields Limited

Central Coalfields Limited has published Mechanical Repairing, Overhauling And Bearing Cover Of 1St 250 Kw, 3.3 Kv, Induction Motor Kirloskar- Make, 1440 Rpm 2Nd 168Kw, 3.3 Kv, Induction Motor Sl. No. 183004/1, Gec- Make, 1480 Rpm, 3Rd 180Kw, 3.3 Kv, Induction Motor, Sl. No. F331235/5, Mar M - 1 Induction motor complete dismantling, cleaning & both and bearing cover & bearing (DE&NDE 2 Complete motor coil varnishing/heating insulation tapping of lead etc 3 250 KW motor both side bearing housing fabrication as per existing sample with cast iron casting machining drilling tapping grooving, sizing as per size & sample 4 250 KW Rotor shaft bearing place repairing by electrode welding/sleeve making as per bearing size with rotor alignment 5 250 KW Induction motor both side bearing cover fabrication as per existing sample with cast iron casting machining drilling tapping grooving, sizing as per size & sample 6 Replacement of bearing N321 7 Replacement of bearing 6321 8 Damage/Old bearing opening by puller and gas cutting after opening of bearing, new bearing fitting/setting and greasing 9 After Repairing & rectification Commissioning Complete motor set fitting with both Dallah, bearing cover, bearing housing etc 10 Terminal box making with required material 11 S/Steel check nut and lock nut new making and threading as per existing sample with required material 12 Replacement of HT Bolt as per required size 13 Induction motor complete dismantling, cleaning & both and bearing cover & bearing (DE&NDE) 14 Complete motor connection/jumper opening and checking one by one coil, after checking all coil damage coil repairing and brazing all connection 15 Complete motor coil varnishing/heating insulation tapping etc 16 Flexible copper terminal lead with glass insulation and required size Copper lug crimping of lead 17 168KW/225HP Rotor shaft bearing housing repairing by electrode welding/sleeve making as per bearing size with rotor alignment 18 Gas heating and cutting grinding etc work of both end connection point, strip bars for old damage bar dismantling 19 After repairing and changing strips bars complete new breezing and copper bars shape making and fixing small slot grinding machine of breezing point. 20 After Repairing & rectification Commissioning Complete motor set fitting with both Dallah, bearing cover, bearing housing etc 21 Cracked coupling welding through Cl electrode and machining as per previous shape and size 22 Fabrication of new Fan cover as per existing sample with required material 23 Induction motor complete dismantling, cleaning & both and bearing cover & bearing (DE&NDE). 24 180 KW Motor both side bearing housing fabrication as per existing sample with cast iron casting machining drilling tapping grooving, sizing as per size & sample. 25 180 KW Induction motor both side bearing cover fabrication as per existing sample with cast iron casting machining drilling tapping grooving, sizing as per size & sample 26 Replacement of bearing 6316 27 Gas heating and cutting grinding etc work of both end connection point, strip bars for old damage bar dismantling 28 After repairing and changing strips bars complete new breezing and copper bars shape making and fixing small slot grinding machine of breezing point. 29 Damage/Old bearing opening by puller and gas cutting after opening of bearing, new bearing fitting/setting and greasing. 30 After Repairing & rectification Commissioning Complete motor set fitting with both Dallah, bearing cover, bearing housing etc. 31 Fabrication of fan as per existing sample with required material 32 S/Steel check nut and lock nut new making and threading as per existing sample with required material 33 Bearing plate, motor body missed thread over size drilling, hole making, rethreading as per required shape and size 34 Replacement of HT Bolt as per required size 35 Induction motor complete dismantling, cleaning & both and bearing cover & bearing (DE&NDE). 36 Complete motor coil varnishing/heating insulation tapping of lead etc 37 Flexible copper terminal lead with glass insulation and required size Copper lug crimping of lead. 38 110 KW motor both side bearing housing fabrication as per existing sample with cast iron casting machining drilling tapping grooving, sizing as per size & sample. 39 110 KW Rotor shaft bearing place repairing by electrode welding/sleeve making as per bearing size with rotor alignment etc 40 110 KW Induction motor both side bearing cover fabrication as per existing sample with cast iron casting machining drilling tapping grooving, sizing as per size & sample. 41 After Repairing & rectification Commissioning Complete motor set fitting with both Dallah, bearing cover, bearing housing etc 42 Terminal box making with required material 43 S/Steel check nut and lock nut new making and threading as per existing sample with required material 44 Replacement of HT Bolt as per required size 45 Total impact of GST for the purpose of CTC . Last date of submission for this tender is 2025-08-27. This is a Mechanical Engineering Service tender in Bokaro, Jharkhand