WRDD/EEAM/BLG/NP/NIT NO.-11/2025-26(SL-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. (i)17.5 H.P/ 20 H.P 3 phase 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 isgiven below: 1) Elmeck/G.E.C(New)/Crompton/N.E.C- 10.2 Kgs. 2) Sicco/A.E.I-13.1 Kgs. 3) G.E.C(old) - 13.5 Kgs.&16.2 Kgs. 4) Kirloskar (New) - 9.5 Kgs.& 10.5 Kgs. 5) Kirloskar (Old) - 12 Kgs. 6) Crompton (Old) - 12.5 Kgs. 7) NGEF- 10.5 Kgs

(ii) Labour charge for rewinding , soldering, heat varnishing, bearing changing, reassemling etc. including supply of all materials excluding bearing as mentioned above complete in all respect as per direction of E.I.C (c) Insulating varnish 1 lit for 20 HP induction motor

Heat varnishing with best quality (Johnson & Johnson/ Dr. Beck/ Giliander) class 'E' insulating varnish of required quantity for 3 course& uniform heating at 80' Cfor 48 hrs. with all cost of materials, labour as per direction of E.I.C.

(a) Repairing of damaged motor shaft by metaling with electric welding and turning properly to housein the bearing space and coupling side teeth and also rectifying the dynamic balanceof the rotor to its original Each 350.00 alignment to avoid any vibration all complete asper direction of the E.I.C

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

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

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.

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

Labour charge for checking up the dynamic balance of the motor shaft for original allignment as per direcion of Engineer-in Charge.

Labour charge for 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.

Deduction towards dismantled burnt enamelled copper wire from induction motor on the basis of actual measurement to be retained by the agency (NB :-In case of PVC insulated copper wire to arrive at net brunt weight 10 % deduction will be made)

Rewinding and Repairing Cost of 1(one) no. Motor

Rewinding and Repairing Cost of 25(twenty five) nos. Motor

GST @18% on item no. 1 to 13

Labour welfare cess @ 1% on item no. 1 to 14

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