Details: steel work in built up tubular (round, square or rectangular hollow tubes etc.) (square hollow section (shs) is4923 /rectangular hollow section (rhs) is4923/ circular hollow section (chs) is1161 closed structural steel of (sail, tata. vizag, jsw ,apollo steel ltd.) make (min yeild stress 310 mpa)) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. providing and fixing colouron plus galvulium roofing sheets of 0.5mm thick double ribbed trapezoidal profile coated 1080mm with cover width of 1020mm including all the accessories (jsw or equivalent make) but excluding the cost of purlins, rafters, trusses, flashings etc. complete as per the directions of the engineer in charge. proving ridges or hips of width 60 cm over all in plain g.i. sheet fixed with galvanized iron j or l hooks bolts and nuts 8 mm dia g.i. limpet and bitumen washer
Sector: PWD