ADDN/ALTN /IMPROVEMENT TO SNCOs MESS, L/IN ACCN AND COOK HOUSE AT SNCOs MESS AND UPGRADATION OF AIRMEN MESS AT AF STN UTARLAI

Taking down chowkats or frames with shutters (without taking off shutters from the frame) not exceeding 1.50 sqm each & removing to store all as specified and directed.

Taking down chowkats or frames with shutters (without taking off shutters from the frame) exc. 1.5 sqm but not exc. 4 sqm each and removing to store all as specified and directed.

S&F factory made single extruded WPC (Wood Polymer Composite) solid door/ window/ceosetory windows & other Frames/Chowkhat of size 65 x 100 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 as per direction of Engineer-in-Charge.

- Ditto- as per item no.3 above but of frame size 65 x 125 mm

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, all as per direction of Engineer In-charge. (Note: stainless steel butt hinges and necessary S.S screws shall be included in this item)

-Ditto- as per item no. 5 above but skeleton door shutter inclusive of stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and fixed with stainless steel wire staples.

S&F solid PVC door frame of size 50mm X 47mm made out of 5mm plain colour PVC sheet reinforced with MS square tubes, as per specifications and drawing complete or as directed.

S&F factory made solid PVC door shutter 30mm thick(style) consisting of frame made out of MS tubes for bottom and top rails. MS frame shall be covered heat moulded plain colour PVC 'C' channel having PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail& bottom rail on either side & as gap insert for top rail & bottom rail; Panelling for plain colour PVC sheet to be fitted in the MS frame welded/sealed to the stiles & rails with suitable PVC sheet beading, and jointed together with solvent cement, suppling and fixing in the frame at the site as per specification.

S&F 100mm butt hinges, extruded aluminium alloy with galvanised mild steel hinge pin, anodised and fixed, type B-21 complete all as specified and as directed.

S&F 150 mm long, aluminum anodised barrel tower bolts of extruded section complete as specified.