MAJOR OVERHAULING AND REPAIRING OF 33 KV VCBS AT 132 KV S/S PATARA (HAMIRPUR) AND PROVIDING AND FIXING OF DIFFERENT TYPES OF GEAR BOX OF 33 KV VCBS AT VARIOUS 132/33 KV SUBSTATIONS UNDER ETD HAMIRPUR

Amount

Details of Work.

Major overhauling and repairing of following 33 KV VCB type circuit breaker at 132 KV S/S Patara (Hamirpur) under ETD Hamirpur :-

(A) 33 KV VCB Shreem Make of Mishripur feeder (Mfg Year - 2016) (B) 33 KV VCB Shreem Make of Hamirpur feeder (Mfg Year - 2016) (C) 33 KV VCB ABB Make of 40 MVA T/F (Mfg Year - 2016) (D) 33 KV VCB ABB Make of 20 MVA T/F (Mfg Year - 2016) By doing following works in each circuit breaker :- (i) Cleaning of porcelain of drive insulator and porcelain of vacuum interrupter from inside and outside of each pole. (ii) Checking & adjustement of snatch gap, travel of drive insulator rod & tie rod of each pole. (iii) Opening, repairing of mechanism by welding, drilling, machning and filling of material as per requirement and proper fitting of it in breaker cubicle. (iv) Oiling & greasing of crank gears by opening of lock circlip etc. (v) Replacement of worn out parts such as bush, rings, lock pins and latch etc. (vi) Checking & adjustment of oil daspot of breaker for its damping action. After major overhauling and repairing of above VCB, following tests are to be carried out :- (i) Opening & closing time of breaker of each pole. (ii) Carrying out Contact Resistance Measurement (CRM test) of each pole. (iii) Checking of megger values of breaker poles. (iv) Checking triping of breaker at 70% DC voltage. (V) Checking the CLOSE/OPEN operation of breaker from REMOTE & LOCAL. (VI) Prepare and submit the site ovehauling report of each breaker.

Complete checking of operating mechanism of 33 KV VCB (ABB make) of Pauthiya feeder and replacement of defective gear box with new one by removing all connections and connecting it after work done at 132 KV S/S Bharua Sumerpur under ETD Hamirpur. New Gear Box with spring charging lever will be provided by contractor.

Complete checking of operating mechanism of 33 KV VCB (ABB make) of Hamirpur feeder and replacement of defective gear box with new one by removing all connections and connecting it after work done at 132 KV S/S Bharua Sumerpur under ETD Hamirpur. New Gear Box with spring charging lever will be provided by contractor.

Complete checking of operating mechanism of 33 KV VCB (Shreem make) of 10 MVAR, 33 KV Capacitor Bank - II bay and replacement of defective gear box with new one by removing all connections and connecting it after work done at 132 KV S/S Bharua Sumerpur under ETD Hamirpur. New Gear Box with spring charging lever will be provided by contractor.

Complete checking of operating mechanism of 33 KV VCB (Shreem make) of Kulpahad feeder and replacement of defective gear box with new one by removing all connections and connecting it after work done at 132 KV S/S Mahoba under ETD Hamirpur. New Gear Box with spring charging lever will be provided by contractor.

Complete checking of operating mechanism of 33 KV VCB (Shreem make) of Kheda feeder and replacement of defective gear box with new one by removing all connections and connecting it after work done at 132 KV S/S Sarila under ETD Hamirpur. New Gear Box with spring charging lever will be provided by contractor.

Rates qouted by the bidders shall be without taxes. Taxes applicable if any to paid extra

P S Enterprises

M/S SATKAR TRADERS