tender for 362/25 kattoor sub center renovation - general- pro.362/25- annual plan_mararikulam south/ 24-25/kattoor sub center renovation-general civil work sl. no. item description 1 building 2 10.1:structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 3 10.2:structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 4 od389229/2024-2025:providing and fixing al trafford sheets 0.40mm coated with epoxy primer on both side of sheet with zinc coating. sheet should have protective guard film to avoid scratches during transportation and supplied in single length of 12m or as desired by engineer in charge. the sheet shall be fixed using self drilling/self tapping screws with epdm seal , complete upto any pitch in horizontal/vertical or curved surface, excluding the cost of purlins, rafters and trusses including cutting to size and shape wherever required 5 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 6 5.2.2:reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) 7 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) 8 13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)