repair of 33 / 6 . 6kv3500kva power transformer installed at ps ii of plb lift , 33 / 6 . 6kv , 3500kva transformer , hv leg coils insulation varnishing and banking of coil assembly ( cu ) , lv leg coils insulation varnishing and banking of coil assembly ( cu ) , fresh transformer oil of standard quality of standard make , ht bushing 33kv as per iss , lt bushing 0 . 433kv as per iss , ht bushing rod & metal parts ( hv ) , lt bushing rod & metal parts ( hv ) , set of gaskets ( rubberised cork / neoprene ) , sundary items viz cover bolt , nut , plug , cap screw etc , silica gel breather , oil level gauge ( prasmetic ) , tap changer , insulating material , unloading and opening of transformer cover , draining of oil , detanking of core and coil assembly , assesment and estimation for repair and replacement of parts cleaning and washing dust / rust and dirt from all parts including core tank and cooling tubes , retanking after replcement of parts / repairs , filling fresh oil after filteration , tanking of transformer for test and testing for all routine tests as in case of new transformer as per is 2026 / 1977 with latest amendments after satisfactory repair and testing , loading of transformer to our works . , freight loading and unloading ( to and fro ) , filteration of oil , painting inside with two coat of zink chromate and outside of gray paint , minor welding work , scrap value , scrap of hv / lv coil ( 80% of total weight ) , scrap of transformer oil