235-ETC-II(P)/ 2019-20

Amount

The following works are to be carried out of overhauling of 33 KV Vacuum Circuit Breaker at 132 KV S/S Shankergarh & YPC Prayagraj.

Complete overhauling of following 33 KV Vacuum Circuit Breakers installed at 132 KV S/S Shankergarh & YPC Prayagraj. The job includes alignment of mechanism assembly by opening and adjusting its operating rod, holding latch and damping spring etc. Replacement of damaged washers, lock, pins, small springs etc. as per requirement during the wrk assembling the mechanism followed by oiling, greasing and tightening of all nuts and bolts of the mechanism box, checking & tightening of AC/DC connectons/terminals, proper checking the spring charging motor along with replacement of its carbon,removing the deposited dust/carbon on terminals by good quality CRC spray checking the proper tripping & closing of VCB from local and remote including other associated works also it required for satisfactory completion of job. All labour, T&P and consumable items will be provided by contractor at his own cost. Details of Circuit Breakers are as under:-

132 KV S/S Shakergarh:- (a) 33 KV Bara Tehsil (Stelmec Make)-2013 (b) 33 KV Bara (CGL Make)-2010 (c) 33 KV Parerhat (CGL make)-2010 (d) 33 KV Veenkey's (CGL make)-2010 (e) 132/33 KV Transformer-II (CGL Make)-2010 132 KV S/S YPC:- (a) 20 MVA T/F-Ist (LV) (ABB make)-2006 (b) 20 MVA T/F-IInd (LV) (ABB make)-2006 (c) 33 KV YPC-Ist (ABB make)-2006 (d) 33 KV YPC-IInd (ABB make)-2006

M/S A K ELECTRICAL

Hi-tech power transmission