Details: sheet roofing od48474/2024-2025:providing and fixing pre coated galvanized iron profile sheets (size,shape and pitchof corrugation as approved by engineer-in-charge) 0.350 mm (+0.05%), total coated thicknesswith zinccoating 120 grams per sqm as per is: 277, in 240 mpa steel grade, 5-7 microns epoxy primer onboth side ofthe sheet and polyester top coat 15-18 microns. sheet should have protective guard film of 25micronsminimum to avoid scratches during transportation and should be supplied in single length upto12 metre oras desired by engineer-in-charge. the sheet shall be fixed using self drilling/self tapping screwsof size(5.5x55mm) with epdm seal, complete up to any pitch in horizontal/ vertical or curvedsurfaces, excluding thecost of purlins, rafters and trusses and including cutting to size and shape wherever required 10.16.1:steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a primi
Sector: RDPR