annual plan-construction of mini mcf -in kummil gp proj no 80/25-26-general civil work-- 1 mini mcf 2 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 priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.hot finished welded type tubes 3 13.71:lettering with black japan pint of approved brand and manufacture 4 10.25.2:item shifted to sub head 14 as item 14.73item shifted to head 14 as item 14.74steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works 5 12.50:providing and fixing precoated galvanised 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 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. 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 (5.5x55mm) 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. 6 12.51.1: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 screwscomplete :ridges plain (500-600 mm) 7 13.61.1:painting with synthetic enamel paint of approved brand and manufacture to give an even shade:two or more coats on new work