REPAIR AND MAINTENANCE OF HT DISTRIBUTION NETWORK AND ALLIED WORKS UNDER GE GOMANTAK

Disconnecting HT/LT cable and Earthing connections of burnt/defective transformer of capacity 63 to 800 KVA , 11 KV/433 volts 3 phase from pole/floor mounted, taking from site of installation carefully with the help of Crane and transportation of the same to workshop for repairs, draining out the transformer oil, dismantling complete and taking out the core assembly and removing burnt out windings, dehydrating the core assembly, reassembling transformer after repair, replacement of complete gasket set, refilling the oil duly filtered / dehydrated, topping up with new oil, carrying out routine tests, welding work, leakage repairing and complete servicing including transportation back to site, testing and commissioning of the repaired transformer at site on full load after making cable and earthing connections complete all as specified and directed.(Note :- New transformer oil, Dehydration of Transformer oil,LT /HT bushings/studs shall be measured and paid separately.)

Material and labour for rewinding in repair of HT winding with Copper strip of suitable size/gauge, fixing the coil in position in core assembly and making connection as per original pattern including providing insulation, varnish, all as specified and directed by Engr-in-Charge.

(a) Transformer 500 - 800 KVA capacity

(b) Transformer 200 - 400 KVA capacity

(c) Transformer 63 - 160 KVA capacity

All as per item No. 4 above but LT limbs of following capacities :-

(a) Transformer 500 - 800 KVA capacity

(b) Transformer 200 - 400 KVA capacity

(c) Transformer 63 - 160 KVA capacity

Supply and fix in replacement of Brass metal studs nut & washers suitable for 11 KV HT side of transformer 63 KVA to 800 KVA including all as specified & directed by Eng-in-Charge.