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| 1 | Cat (A) -Items to be supply and installation |
| 2 | Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50metres lead. G.S. Sheet |
| 3 | Dismantling expanded metal or I.R.C. fabrics with necessary battens and beading including stacking the serviceable material within 50metres lead. |
| 4 | Dismantling steel work in single sections including dismembering and stacking within 50metres lead in flats |
| 5 | Providing and fixing pre-coated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50mm (+0.05%) Roof Glamet PUF 40+/-2Kg/m3 Density, 0.5mm PPGL SMP coating top sheet, 0.4mm PPGL RMP coating bottom sheet , YS 280 Mpa on both sides total coated thickness with zinc coating 120grams per sqm as per IS:277, in 240mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18microns. 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 required size 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. Life of the new sheets shall be above 10 years. Self-declaration and warranty certificates shall be provided |
| 6 | Supplying and applying of UV resistant PU sealant for fixing of drilled holes on the roof sheets. |
| 7 | Providing and fixing windties of 40x 6mm flat iron section |
| 8 | Providing and fixing pre-coated galvanised steel sheet roofing accessories 0.50mm (+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 Gutter (1200mm overall grith) |
| 9 | Providing and fixing pre-coated galvanised steel sheet roofing accessories 0.50mm (+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 Flashings (upto 750mm) |
| 10 | Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:One or more coats on old work |
| 11 | Cat (B) - Buy Back Items (Scrap) |
| 12 | Buy-Back (ie minus) GI Roofing Sheet |
| 13 | Buy-Back (ie minus)GI Gutter |
| 14 | Buy-Back (ie minus)MS IRC fabric mesh and rock wool |
| 15 | Buy-Back (ie minus)MS Windties |
