bids are invited for custom bid for services - dismantling erection of existing emulsifier hydrant system including removal fixing of blanking plates of valve hall during replacement of pole-1, r- phase converter transformer at hvdc talcher station - dismantling of existing emulsifier & hydrant system of r-ph converter transformer. , re-assembling/erection of emulsifier & hydrant system including gasket replacement & welding work. , supply of rubber gaskets (4mm) pertaining to ff pipeline , removal & fixing of blanking plates including glasswool of valve hall of size (8.5 mtr x 1.25 mtr) & (2.5 mtr x 2.5 mtr) (mobilization of two gangs, each of min 5 nos skilled workmen for 3 days)