tender for basic amenities scheme 2025-26-providing roof sheet work over puthoor police station building , kollam rural - civil works 2 50.10.2steel work for purlin/single section with g i pipes including cutting, hoisting, fixingin position and applying a priming coat of approved steel primer, including weldingand bolted with special shaped washers etc. complete 3 od69957/2025-2026providing and fixing powder coated galvalium trafford sheet 0.35 mm thick up to any pitch and fixing with polymer coated j or l hooks, bolts and nuts 8 mm dia g.i. plain and bitumen washers or with self drilling fastener and epdm washers etc. complete(excluding the cost of purlins, rafters and trusses), including cutting sheets to size and shape wherever required. 4 od94337/2025-2026providing and fixing precoated galvanised steel sheet roofing accessories 0.35mmusing self drilling/ self tapping screws complete :ridges plain 5 50.18.9.19.2providing and fixing pvc pipes including fixing the pipe with clamps/clips at 1.00 mspacing. this includes jointing of pipes with one step pvc solvent cement and testingof joints complete as per direction of engineer-in-charge 110 m dia 4 kgf/cm2 -external work - exposed on wall 6 od94420/2025-2026providing and fixing 20 cm wide, upvc rain water gutter pipe including fittings andmaking necessary connections with rain water pipes complete. 7 13.61.1painting with synthetic enamel paint of approved brand and manufacture to give aneven shade:two or more coats on new work 8 4.3.1centering and shuttering including strutting, propping etc. and removal of form workfor:foundations, footings, bases for columns 9 4.1.3providing and laying in position cement concrete of specified grade excluding thecost of centering and shuttering - all work up to plinth level:1:2:4 (cement : 2 coarsesand (zone-iii)derived from natural sources : 4 graded stone aggregate 20 mmnominal size derived from natural sources)