REPAIR/REPLACEMENT OF EXISTING SHEET

Dismantling of old Ceiling boards (Fibre,pulp,insulation,etc) or insulation boards /slabs blankets, including cover fillets and frame work complete all as specified and as directed.

S&F Providing & fixing false ceiling at all heights with GRG (Glass Fibre Reinforced Gypsum) false ceiling tiles of perforated Size 595 x 595 mm of approved texture, design and patterns having moisture content less than 2%, humidity resistance of 99%, NRC0 .50 to 0.75 as per IS 8225 :1987, Noncombustible as per BS tiles tiles 4 76 (part 4 )-1970 and light reflectance of 85% (minimum) to be laid in true horizontal level suspended on inter- locking metal T-Grid of hot dipped galvanized iron section of 0.33mm thick (galvanized @ 120 grams per sqm including both sides) comprising of main- T runners of size 15 x 32 mm of length 3000mm,cross-T of size 15x 32mm of length 1200mm and secondary intermediate cross-T of size 15 x 32 mm of length 600mm to form grid module of s1ze 600x 600mm , suspended from ceiling using galvanized mild steel items (galvanizing @ 80 grams per sqm) i.e 50mm long, 8mm outer diameter M-6 dash fasteners, 6mm dia fully threaded hanger rod upto 1OOOmm length and L-shape level adjuster of size 85x25x2mm .Galvanised iron perimeter wall angle of size 24x 24x0.40mm of length 3000 mm to be fixed on periphery wall I partition with the help of plastic rawl plugs at 450 mm center to center and 40mm long dry wall wood screws. The work shall be carried out as per specifications , drawing including three coats of white wash as per directions of the Engineer-in-Charge.

Dismantling of plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings all as specified and directed.

S&F 2mm thick fibre glass reinforced translucent corrugated sheeting with two corrugations side lap fixed with fixed with L-type or J-type or cranked hook bolts in lieu of screw ® in roof, wall etc all as specified and directed.

S&F pre-painted galvalume aluminium zinc coating GI based corrugated sheet 0.45mm to 0.50 mm thick of any colour having tensile strength 550 mpa as in roof covering/ cladding to wall, fixed with self tapping screws complete all as specified and as directed.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed.

Dismantling of wrought iron or mild steel work of any description not otherwise provided for complete all as specified and as directed.

S&F ERW or induction butt weld MS tube black conforming to IS-1161-1979 grade Yst240 including fabrication and erection complete all as specified and as directed.

S&F Rolled mild steel in Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc (cut to ordinary lengths i.e., within 20mm of the length indicated) in Fe-410-W(Gde-E-250) quality B complete all as specified and as directed.

S&F Steel work in tubular trusses including special shaped washer etc., complete using ERW or induction butt welded tubes conforming to IS-1161-1979 grade Sr-240 and the structural steel is painted one shop coat of zinc chromate primer paint(including preparation of surface at Contractor's worshop before fabrication. complete all as specified and as directed.