Rewinding of AC 3 Phase Induction motor of 20 HP/ 17.5 HP 1440 RPM for Rampurhat (Agri-Mech) Sub Division for the year 2025-26 under Suri (A-M) Division.

Dismantling of different H.P. 3 Phase 380-400 volt 1440 RPM, 4/3 pole 50 cycles 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. 17.5/20 H.P. 3 Phase induction Motor

Rewinding with approved quality Super Enamel copper winding wire of standard gauge IS 13730, 1996, part 13 as provided by motor manufacturer including slot insulation as per Indian Electrical Rules, shouldering the cable joints properly, taping with 660 V. Gradewater 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 reassemblingthe motor. 17.5 H.P/20 H.P3 Phase,415 volts, 50 Hz,2/4 pole induction Motor (i) Supply of super enamelled dual coated copper wire conforming IS 13730, 1996, part 13 (16 swgto 22 swg) Required max. weight of super enamelled copper wire is given below: G.E.C-20 HP(Old)(13.50 Kg/Motor) for 04 Nos. Motor Required max. weight of super enamelled copper 54.00 Kg. Kirloskar - 20 HP (NEW)(10.50 Kg/Motor) for 10 Nos. Motor Required max. weight of super enamelled copper 105.00 Kg. Crompton 17.5 H.P. Motor(12.50 Kg/Motor) for 06 Nos. Motor Required max. weight of super enamelled copper 75.00 Kg.

Labourcharge for rewinding, soldering, heat varnishing, bearing changing, reassembling etc. including supply of all materials excluding bearing as mentioned above complete in all respect as per direction of E.I.C

Testing of repaired motor by continuous 8 hrs running on load as per direction of E.I.C.

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 & supplying new socket of required sizeand fitting the samein bearing housing.

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 asper direction of E.I.C Motor

Carriage of motor from store to workshop and back to store after repair. This item is only applicable when written permission is available from E.I.C. where there is no facility for such work in the sub- division.

Add GST 18% from Item No. 1.01 to 1.07

Add Cess @1% on item No. 1.01 to Item No.2.00

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