works

Amount

Following work for replacement of old Air Compressor Pneumatic type 245 KV Circuit Breakers is required to be carried out on following 220 KV bays: (A) 220 KV bus Coupler (CB NO-85) bay (B) 220 KV Muradnagar-Pratap Vihar (CB NO.88) bay

Opening of 245 KV breaker jumper on both side from R,Y & B phase. Pole cutting and Opening of M.S. flat from breaker pad.

Opening of Electrical connection from breaker end and operating cubical end of R,Y,B poles removal of the connection and take out the cable from cubical & dismantle the cubical.

Dismantling of 245 KV SF-6 circuit breaker by removing the R, Y, B pole from base including opening of nut and bolts and removing from foundation,with the help of crane.

Modification of foundation of R,Y,B poles cutting of channel /angle Iron and M.S. flat including fabrication of steel and fitted upon foundation and ready for erection of new circuit breakers (Angle Iron/Channel/M.S. flat shall be given by the department free of cost.

Erection of 245KV new CB upon Modified foundation, filling Of SF-6 gas including fixing of structure and erection of R,Y,B poles of breaker & its operating cubical with the help of crane.

Laying of different type control cable between R,Y,B pole operating mechanism to main cubical to control panel/relay panel at control room cutting, scraping the cable for proper glanding and ferrules and to be connected on TB as per drawing.

Jumpering of 245KV circuit breaker RYB poles including cutting of conductor and fixing of jumper with clamp on both side,cutting of M.S. flat and welded with structure including cutting bending welding and drilling of hole.

Gupta Elect and Engg Works