construction of 120 nos nursery benches at kbk kakkanad - 10.16.1 steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.hot finished welded type tubes 2 9.48.1 providing and fixing m.s. grills of required pattern in frames of windows etc. with m.s. flats, square or round bars etc. including priming coat with approved steel primer all complete.fixed to steel windows by welding 3 13.52.1 finishing with epoxy paint (two or more coats) at all locations prepared and applied as per manufacturers specifications including appropriate priming coat, preparation of surface, etc. complete.on steel work