tender for tin shed work for vehicle parking at state tax office jaipur house agra - steel work in built up tubular ( round, square or rectanglar hollow tubes etc. ) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. 2 providing and fixing percolated galvanized iron profile sheets (size,shape and pitch of corrugation as approved by engineer-in-charge)0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120grams per sqm as per is: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by engineer- in-charge. the sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with epdm seal, complete upto 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. 3 providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, zinc coating 120 grams per sqm as per is: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete gutter (600 mm over all girth) 4 painting with synthetic enamel paint of approved brand and manufacture of required color to give an even shade :two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture 5 add gst18 percent