tender for maintenance work under edd- rania, on-site repair work of power transformer under power distribution division- raniya., 1 drain out t/f oil up to core leave in the empty drum. 2 removal of conservator tank, derelacement of gaskit, oil gauge, glass gaskit and oil gauge. 3 opening nut and bolt of top cover plate of power t/f for supply and fixing of rubberized gaskit set (after tanking of complete job between top cover and top flanze of power t/f by 12 mm. 4 supply and replacement of ht busing gaskit and packing 5 supply and replacement of lt busing gaskit and packing 6 supply and replacement of radiators packing for leakage of t/f oil. 7 refixing of complete job from tank & repairing. 8 supply & replacement of off load tap changer and providing new gaskit 9 refixing of job in the tank. 10 recheck buchoiz relay, overhauling of buchoiz relay and cleaning of contact for its proper function. 11 checking of l.t., h.t. netural bushing rod conncetion to t/f winging making them perfectly intacts replacement of all hv. lv. gaskit of bushing. 12 complete control cable connections from t/f to control pannel installed at control room. 13 refilling of transformer oilin the t/f from drum to after dehydration.