Details: part a repair:- dehydration of transformers by filter machine to maintain the breakdown value die electric strength of oil up to 50 kv (nv) non-breaking capacity including providing oil testing facility at site. ( 1 nos transformer 500 kva ), bdv testing before dehydration and after dehydration , including machine transportation & other charges complete as required supply & topping up of transformer oil after bdv testing & dehydration (as required ) as per is 335/1983 decarbonization /cleaning of transformer parts replacement of silicagel breather filled with fresh silicagel as per design of the transformer p &f of transformer top gasket(with seal ) with nut and bolts etc as required to prevent oil leaks due to overheating of transformer . the gasket sets shall be conforming to is-4253/p-ii/1980 and any amendment thereof p& f / replacement of double float buchhloz relay complete with alarm & trip contacts as per design , make and specification of the trasnformer p&f / repla
Sector: Municipality