Comprehensive Repair and Maintenance of B/R works to certain OTM Accn at Zone-I under GE Brichgunj, Sri Vijaya Puram

Taking down of chowkhats or frames not exc 1.5 sqm each (without taking off shutters from the frame) complete all as specified and directed by Enineer-in-charge.

All as per item No 01 above but exc 1.5 sqm but n exc 4 sqm each.

Taking down and Refixing in the same opening of shutter of any description not exceeding 1 Sqm each including easing and adjusting as required complete all as specified and directed by Enineer-in-charge

All as per item No 03. above but exceeding 1Sqm and not exceeding 2 Sqm

All as per item No 03 above but exceeding 2Sqm each

S&F Factory made single extruded WPC (Wood Polymer Composite) solid door/ window/ Ceosetory windows & other Frames/ Chowkhat of size 45 x 70 mm comprising of virgin PVC polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) fabricated with miter joints after applying PVC solvent cement and screwed with full body threaded star headed SS screws having minimum frame density of 750 kg/ cum, screw withdrawal strength of 2200 N (Face) & 1100 N (Edge), minimum compressive strength of 58 N/mm2, modules of elasticity 900 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/ moisture proof and fire retardant and fixed in position with MS hold fast/ lugs/SS dash fasteners of required dia and length complete all as specified and directed by Enineer-in-charge. (M.S. hold fast/ lugs or SS dash fasteners shall be paid for separately).

S&F factory made single extruded WPC (Wood Polymer Composite) solid decorative type flush door shutter of size 30mm thick comprising of virgin polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) having minimum density of 650 kg/cum and screw withdrawal strength of 1800 N (Face) & 900 N (Edge), minimum compressive strength 50 N/mm2, modulus of elasticity 850 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/moisture proof and fire retardant. WPC to be laminated with PVC foil of minimum 14 microns thick of approved design pasted with hot melt adhesive on both faces of shutter and fixing with stainless steel butt hinges of required size with necessary full body threaded star headed counter sunk S.S screws, complete all as specified and directed by Enineer-in-charge. (Note: stainless steel butt hinges and necessary S.S screws shall be paid separately)

S & F anodised aluminium frame for doors, windows, ventilators with one or more rebates including joining cleat for fixing etc. complete all as specified & directed by Engineer-in-Charge.

S & F Anodised aluminium door shutters, aluminium section weighing 0.55 kg/ m including necessary joining cleats, glazing clips, ruber neoprene packing, handles 2 Nos in each door, hinges, anodised aluminum snap beading screws etc. complete all as specified by Engineer-in-charge.

S & F Anodised aluminium window and ventilator shutters, side hung type without sash bars, aluminium sections weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws, anodised aluminium fittings such as peg stays 150mm long (1 no.). hinges type B-21 100mm long (2 no.) suitable handle (1 no.) complete all as specified and directed by Enineer-in-charge.