WBPHE/EE/SMD/NIeT-11 of 2025-26/14

Amount

Supply and delivery of the following materials as per sample for the below mentioned HT motor :-

(Motor Rating - 800 KW, Operating Voltage - 6.6 KV, Rotational Speed - 1490 RPM, Frame - NG450, Sl. No. 2181457/01, Make - CG)

Dial-type Bearing Temperature Detector (BTD) for non-drive end bearing.

Bearing 6324/C3 for drive end (Make-SKF).

Bearing 6322/C3 for non-drive end (Make-SKF).

Carrying out the following tasks by engaging personnel, having sufficient knowledge pertaining to the work as mentioned below :-

Cutting and disconnecting the both side end-rings (short circuit ring), removing all cracked bars from rotor-slots, manufacturing new set of rotor-bars from aluminium, making short circuit rings of rotor winding, fitting new bars into the rotor slots by push fit, jointing of bars and rings complete followed by machining the rotor.

Dynamic balancing of the rotor with cooling fan.

Thorough cleaning of stator winding, repairing of stator-slots and wedges, and heat varnishing of the stator winding. This includes the cost for dismantling the motor part by part, complete overhauling, reassembling the same by using all newly supplied materials as mentioned above, metalizing and machining of dive-end bearing housing, succeeded by testing and painting the job complete.

Cost for transportation of the repaired 800 KW, 6.6 KV motor from workshop at Kolkata to site by hired vehicle including loading at site with the aid of adequate man power and proper hoisting arrangement.

S. P. CONSTRUCTION (BID ID -6703644)

JAGANNATH ENTERPRISE (BID ID -6704048)