801715 ADDN ALTN TO SMQs PHASE-VI AT AF STATION TAMBARAM

All as per item no 1 here in above but 20 mm dia of pipe complete all as specifed and as directed.

Supply and fix 20 mm dia CPVC pipes SDR 11 & plain CPVC SDR 11 fittings, elbows, tee,adapters, union on walls/ceiling or laying in floors complete all as specified and as directed.

Supply and fix 25mm dia CPVC pipes SDR 11 plain CPVC SDR 11 celing, elbow, tees adapters, uinion on walls/ceiling or laying in floors complete all as specified and as directed.

Supply and fix gate valves 25 mm dia with iron wheel head, screwed both ends for fixing to iron pipe complete all as specified and as directed.

Material and labour for Cutting chases, pinning in brick wall making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landing, steps, cills, shelves complete all as specified and as directed.

Taking down (Steel/ Wooden) frame any description exc. 1.5 sqm but not exc 4 Sqm each (with out taking off shutter from the frame) including hardware fittings complete all as specifed and as directed.

All as per item No 7 here in above but n exc. 1.5 sqm each with shutters and hardware fittings complete all as specifed and directed.

Material and labour for 2nd class hard wood factory made glazed/skeleton shutters 35 mm thick open rebated prepared to receive glass, gauze divided in squares with plain, chamfered or rounded, mitred and rebated sash bars any number with plain, chamfered or rounded, mitred and rebated beads for securing glass gauze etc complete all as specified and directed.

Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid decorative type(Approved any design and pattern) flush door shutter of size 35mm 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 making edges are lipping with edge tapes and fixing with butt hinges with necessary full body threaded star headed counter sunk S.S screws, complete all as specified and as directed.

Supply and fix mild steel not more than 300mm, ordinary rat tail rod pattern door springs including roller and roller plate complete all as specified and as directed.