annual plan-velur gp pro: 138/26 sub center naveekaranam-sub center naveekaranam-general civil work-- 1 renovation 2 50.10.2:steel work for purlin/single section with g i pipes 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 3 od236861/2025-2026:providing and fixing precoated galvanised iron profile sheets (size, shape and pitch ofcorrugation as approved by engineer-in-charge) 0.35 mm (+0.05%), total coatedthickness 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 scratchesduring transportation and should be supplied in single length upto 12 metre or as desiredby engineer-in-charge. the sheet shall be fixed using self drilling/self tapping screws ofsize (5.5x55mm) with epdm seal, complete upto any pitch in horizontal/ vertical orcurved surfaces, excluding the cost of purlins, rafters and trusses and including cutting tosize and shape wherever required. 4 od283144/2025-2026:providing and fixing on wall face square type (or nearest available) section upvc rainwater gutter pipes of 150 mm(6inch) or nearest available, 4 kg/cm² pressure rating, conforming to is:13592 type a, including jointing (including all fittings such as end cap, end drop,etc. cutting, chamfering, joint lubrication if necessary) , securely fixed using galvanized iron (gi) brackets or clamps at max. 1.0 m intervals, leak testing, and making good the surface, complete in all respects as per manufacturers specifications and direction of the engineer-in-charge. (modified dar12.41.2) 5 50.18.9.18.2:providing and fixing pvc pipes including fixing the pipe with clamps/clips at 1.00 m spacing. this included jointing of pipes with one step pvc solvent cement and testing of joints complete as per direction of engineer-in-charge 75 mm dia 4 kfg/cm2 - external work - exposed on wall