WBWRIDDEEAM/BANeNIT52/NP/25-26

(a) 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.

Rewinding with approved quality super Enamel copper winding wire of standard guage as provided by motor manufacturer including slot insulation as per India Electrical Rules, shouldering the cable joints property, 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. 17.5/20 H.P., 3 Phase, 415 Volts, 50Hz 2/4 pole induction Motor Supply of super enamelled dual coated wire conforming IS 13730, 1996 part 13 (16 SWG to 22 SWG) required max. weight of super enamelled copper wire is give below: Crompton (12.5 Kgs. x 10Nos. = 125 Kgs.) Kirloskar (12 Kgs. X5 Nos. = 60 Kgs.) GEC (16.2 Kgs. x 10 Nos. = 162 Kgs.)

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.

Carriage of motor from store to workshop and back to store after repair.

Testing of repaired motor by contious 8 hours running on load as per direction of Engineer-in- Charge

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. Motor

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 rectifiying the dynamic balance of the rotor to its orininal allignment to avoid any viabration all complete as per direction of the E.I.C.

Supplying, fitting and fixing stud bolt with nuts and washer for upper flange as per sample.

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 housing.

Deduction towards dismantled burnt enamelled copper wire from induction motor on the basis of actual measurement to be retained by the agency.

Add GST @18% on Sl no (1 to 10)

Add CESS @1% on Sl no (1 to 11)

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