tender for replacement of three dilapidated sheds in two rooms of security personnel in house no. 19 located in gautampalli colony along with other necessary repair works. - providing corrugatedg.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 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 surface), excluding the cost of purlins, rafters andand trusses and including cutting to size and shape wherever required. (1.00 mm thick with zinc coating not less than 275 gm/m²) dsr n0-12.1.1, 2 structual steel work riveted bolted or welded in built up section, trusses, builds up gates,framed work lncluding cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. dsr n0-10.2, 3 providing and fixing on wall face unplasticised rigid pvc rain water pipes conforming to is:13592 type a, including jointing with seal ring conforming to is:5382, leaving 10 mm gap for thermal expansion,(i) single socketed pipes. 110 mm diameter dsr no. 12.41.2, 4 supplying and fixing c.i. cover without frame for manholes : 455x610 mm rectangular c.i. cover (light duty) the weight ofthe cover to be not less than 23 kg. (dsr no-19.18.1 )