tender for annual plan- vakkom gp-proj no:226/2024- 25 -compost pit for schools in vakkam gp-general civil work - 1 compost pit 2 2.8.1:earth work in excavation by mechanical means (hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.all kinds of soil 3 4.1.8:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size) 4 50.6.2.1:solid block masonry using pre cast solid blocks (factory made) of size 30x20x15 cm or nearest available size confirming to is 2185 part i of 1979 for foundation and plinth with thickness 15cm in: cm 1:6 ( 1 cement :6 coarse sand) etc complete 5 13.4.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 coarse sand) 6 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 7 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. 8 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: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:ridges plain (500-600 mm) 9 10.29.1:providing & fixing fly proof wire gauze to windows, clerestory windows & doors with m.s. flat 15x3 mm and nuts & bolts complete.galvanised m.s. wire gauze with 0.63 mm dia wire and 1.4 mm aperture on both sides 10 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 11 od468387/2024-2025:man mazdoor engauged for clearing and other works 12 13.47.1:finishing walls with premium acrylic smooth exterior paint with silicone additives of required shade:new work (two or more coats applied @ 1.43 ltr/ 10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/ 10 sqm)