bids are invited for vhecle parking shed - a) providing corrugated g.s sheet roofing including vertical/curved surface fixed with polymer coated j or l hooks, bolts and nuts 3mm diameter with butimen and gi limpet washers or with gi limpet washers filled with white lead includinmgh a coat of approved steel primer and 2 coat of approved paint on over laping of sheets complete(upto any pitch in horizontal/vertical or curved surface), 1.60mm thick zinc coating not less than 350 gm/sqm. total area=130.13 sqmb) fixing of purlins, rafters and trusses of ms square pipe of 1.5x1.5, caoted with steel primer, at standard intervals. total wight=200kgsc) fixing of pillars of ms rectangular pipe of 3x5 of standardard thickness, coated with approved steel primer. total= 270 feet, including cost of providing 1.5x1.5x1.5 concrete foundation(21nos) total quantity : 1