tender for general-project no - 732/ 25-26- pmhs mannathala roofing-general civil work - roof 2 4.1.2:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:1/2:3 (cement : 11/2 coarse sand : 3 graded stone aggregate 20 mm nominal size) 3 4.3.1:centering and shuttering including strutting, propping etc. and removal of form work for:foundations, footings, bases for columns 4 50.10.1:steel work in built up g i tubular ( round, square or rectangular hollow tubes etc.) trusses etc., 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 5 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. 6 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 7 13.1.2:12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand). 8 od54158/2025-2026:supplying and fixing 150mm square pvc rain water gutter including fitting with ms flats 32x5mm supported at 1m interval etc 9 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. 10 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) 11 od54159/2025-2026:dismantling and chipping old cement floor surface for plaster including disposal of rubbish 12 15.56:dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. 13 50.13.1:9 mm cement plastering of mix : 1:3 (1 cement : 3 fine sand ) including all cost of materials, labour charges etc complete 14 od54160/2025-2026:providing labour for necessary works 15 50.18.9.18.1: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 6kgf/cm2 - external work- exposed on wall