bids are invited for custom bid for services - amc for structural steel repair and maintenance in main plant buildings item no 1 supply and erection of structural steel up to 30m height specification of is 2062 2011 e 250 grade a or approved equivalent refer boq qty 70 .. , custom bid for services - item no 2 supply and erection of structural steel members above 30m height specification of is 2062 2011 e 250 grade a or approved equivalent refer boq qty 30 mt , custom bid for services - item no 3 supply of coated hot dip galvanzation for item no 1 and 2 thickness of 610 gsm with is 2629 1985 structural steel refer boq qty 100 mt , custom bid for services - item no 4 supplying and application of primer 75 micron inter seal 670hs of akzonobel or asain or berger or equivalent refer boq qty 5000 sqm , custom bid for services - item no 5 providing and fixing roofing using zinc aluminium alloy coated profile sheet point sixty mm thickness of tata durashine make or equivalent refer boq qty 1500 sqm , custom bid for services - item no 6 supply and fixing stainless steel of grade 304l for handrails and ladders and other areas using ss refer boq qty 10 mt , custom bid for services - item no 7 dismantling of structural steel either manually or with pneumatic tools or with mechanical equipment refer boq qty 100 mt total quantity :