repairs to gram sachiwaly at bagani tal- walwadist sangl - providing structural steel work of rectangular hollow steel section for steel trusses, other similar trussed items like purlin and members with all bracing, gusset plates, excetra as per detailed designs and drawings or as directed including cutting, fabricating, hoisting, erecting, fixing in position, making riveted / bolted / welded connections and one coat of anticorrosive paint and over it two coats of oil painting of approved quality and shade complete. (for ground floor)item / page no : 11 / 174additional specifications : work shall be carried out as per the instructions of engineer in-charge. 3 providing and fixing of colour coated zincalume (r) az 150 (minimum 150 grams per square metre total on each sides) profiled sheets for roofing. the feed material is manufactured out of nominal 0.45 milimetre base metal thickness (bmt) (0.5 milimetre tct), hi-strength steel with minium 550 mpa yield strength, metallic hot dip coated with aluminium-zinc alloy (55 percent aluminium, 43.4 percent zinc, 1.6 percent silicon) with colorbond (r) steel quality super durable polyster paint coat (with inorganic pigment). the paint shall have a total coating thickness of nominal 35 um, comprising of nominal 25 um exterior coat on top surface and nominal 10 um reverse coat on back surface. profile sheet shall have nominal 950-1050 milimetre effective cover width and nominal 25-30 milimetre deep ribs with subtle square fluting in the five pan at nominal 180-250 milimetre center to centre. the end rib shall be designed for anti capilary groove and return leg. the feed material should have coil manufacturers product details marked at regular interval. including fasteners with minium fatened with minium 25 um zinc-tin alloy coated, hex head, self-drilling screw, excetra complete. (weight of profile 4.52 kilogram per square metre). (for ground floor)item / page no : 34 / 236additional specifications : the work shall be done as per instructions of engineer in charge