Repair of existing truss and replacement of damaged sheet roofing at A1 Quarters

OD144674/2025-2026 : Dismantling Aluminium Sheet roofing including stacking the material within 50metres lead of : Aluminium SHEET

13.88 : Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

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

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.

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: 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 screwscomplete :Ridges plain (500-600 mm)

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

13.63.1 : Painting with aluminium paint of approved brand and manufacture to give an even shade.Two or more coats on new work

13.100.1 : Painting with aluminium paint of approved brand and manufacture to give an even shade:One or more coats on old work

OD144702/2025-2026 : Supplying and fixing 6" square pathy center joint- good quality

OD232519/2025-2026 Supplying and fixing 6" end cap -good quality

OD144751/2025-2026 Supplying and fixing 6" end reducer

OD144678/2025-2026 Supplying and fixing 6" square pathy -good quality