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| 1 | Rewinding and Repairing works of 20 nos 20 H.P or 17.5 H.P, 3 Phase squirrel cage, 1440 R.P.M., 415 Volt induction type electric motor for different R.L.I. Schemes under Ghatal (Agri-Mech) Sub-Division under Midnapore(Agri-Mech) Division under NON-PLAN Programme 2025-26.( Please see the details in Sheet Rewinding of Motor) |
| 2 | 2.0 Rewinding and Repairing works of 20 nos 20 H.P or 17.5 H.P, 3 Phase squirrel cage, 1440 R.P.M., 415 Volt induction type electric motor for different R.L.I. Schemes under Ghatal (Agri-Mech) Sub-Division under Midnapore(Agri-Mech) Division under NON-PLAN Programme 2025-26. |
| 3 | Dismantling of different H.P. 3 Phase, 380-400 Volt, 1440 RPM, 4/3 pole, 50 cycle for induction motors, removing old burnt out coil from slots carefully, segregating all the parts, washing and cleaning the same thoroughly for verification of serviceable and unserviceable parts as per direction of E.I.C. 17.5 H.P./20 H.P. 3 phase induction motor. |
| 4 | Rewinding with approved quality Super Enamel copper winding wire of standard guage as provided by motor manufacturer including slot insulation as per Indian Electrical Rules, shouldering the cable joints properly, taping with 660 V. Grade water proof tape, making new loop terminals heating and vernishing with 'E' class golden vernish (Jhonson & Nicolson make) so as to develop original rated rpm, supplying all necessary materials as mentioned above and reassemblying the motor. a) Supply of super enamelled dual coated copper wire conforming IS 13730, 1996, part 13 (16 swg to 22 swg) Required max. weight of super enamelled copper wire per motor: @10.5 kg average for different motors (including 18% GST on base rate) |
| 5 | b) Labour charge for rewinding soldering, heat vernishing bearing changing, reassamblying etc. including supply of all materials excluding bearing as mentioned above complete in all respect as per direction of Engineer-in-Charge. |
| 6 | Carriage of motor from store to workshop and back to store after repair. This item is only applicable when written permission of available from E.I.C. where there is no facility for such work in the sub-division. |
| 7 | Painting two coats of both inner & outer portion with best quality synthetic enamel paint (to be approved before use) including smoothing surface by sand paper for removing old paint as per direction of E.I.C. a) Motor |
| 8 | Repairing of damaged motor shaft by metaling with electric welding and turning properly to house in the bearing space and coupling side teeth and also rectifing the dynamic balaance of the rotor to its original allignment to avoid any vibration all complete as per direction of the EIC |
| 9 | Suppling, fitting ,fixing, stud bolt with nuts for top and bottom cover. |
| 10 | Socketing with C.I socket at enlarged bearing housing of any type of 17.5 H.P / 20 H.P motor by oversizing the bearing housing by machine turning & suppling new socket of required size and fitting the same in bearing . |
| 11 | Testing of repaired motor by contious 8 hours running at nearest site on load after making necessary connection including fitting, fixing and shifting to and from the stack yard as per EIC . |
| 12 | Labour charge for checking up the the dynamic balaance of the motor shaft for original allignment as per direction of the Engineer-in-Charge |
| 13 | Deduction towards dismantled burnt enamelled copper wire from damaged induction Motor on the basis of actual measurement to be retained by the agency. Per Motor 10.10 Kgs. Total Rs. Considering GST @ 18% Sub Total Rs. Labour welfare Cess @1% Grand Total Rs. Say Rs Please Enable Macros to View BoQ information |
