Pashchimanchal Vidyut Vitran Nigam Limited Tender

The following works Maintenance & Stoppage Leakage of Power T/Fs at installed various 33/11 KV sub-stations under the jurisdiction of EDD-I Loni. NOTE:- The material LV, HV side Bushing rods, Bushings, nuts, bolts & washers, all gasket packing set of T/Fs etc provided by the contractor

(i) Opening of Jumpering Clamps form HV side of Power T/Fd. (ii) Closing of value of Conservative Tank. (iii) Drain out of T/F Oil from T/F to Drum. (iv) Opening of Section Windows with elp of nuts & bolts etc. (v) Opening of HV side bushing with help of nuts, bolts & washers etc. (vi) Opening of LV side bushing with the help of nuts, bolts & washer etc. (vii) Opening & refixing of HV side bushing rod after remove carbon by amri clothes & filing and damaged rods replacement by New bushing rods in connecting rod properly with help of Gas welding and changing of all oil packing of HV side bushing rods properly. (viii) Opening & refixing o LV side bushing rod after remove carbon by amri clothes & fixing and damaged rods rep;acement by new bushing rods in connecting rods properly with help of gas welding and changing of all oil packing of LV side bushing rods properly. (ix) Fixing of HV side bushing in flange with help of nuts, bolts & washers after changing all oil packing properly. (x) Fixing of LV side bushing in flange with help of nuts, bolts & washers after changing all oil packing properly. (xi) Closing of section Wingows with help of nuts, bolts & washers after changing of all oil packing properly. (xii) Filling of T/F oil from drum to T/Fs. (xiii) Opening of value of Conservative Tank properly. (xiv) Tightening of all nuts, bolts & washers of top plateof T/F properly, for smooth & proper working. (xv) Tightening of all nuts, bolts & washers of Radiators. (xvi) Fixing of jempering clamps for HV side & LV side of T/Fs. (xvii) Power transformer conservator cold welding to stop leackage of oil.