Details: providing corrugated g.s. sheet roofing including vertical / curved surface fixed with polymer coated j or l hooks, bolts and nuts 8 mm diameter with bitumen and g.i. limpet washers or with g.i. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 0.63 mm thick with zinc coating not less than 275 gm/ m² dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: g.s. sheet fixing existing corrugated g.s. sheet by polymer coated jor l hook or self drilling /self tapping screws of size (5.5x 55 mm) with epdm seal including priming coat with red oxide where required all complete and as per the direction of engineer-in-charge. providing and fixing precoated galva
Sector: Police and Internal Security