GAIL (India) Limited

467.1.1.2 Hard Wood:Hard wood shall be first class conforming to IS 4021 of good quality, well seasoned and free from defectssuch as dead knots, cracks, sapwood etc. No individual hard and sound knot shall exceed 6 sq.cm in sizewith no dimension more than 50 mm and the aggregate area of such knots shall not be more than 1% ofthe area of the piece. There shall not be less than 5 growth rings per cm. Width in cross-section.7.1.1.3 Moisture content in timberThe maximum permissible percentage of moisture content for well seasoned timber shall be as per IS 287.7.1.1.4 Workmanship of wood workWorkmanship for wood and joinery shall be as per IS 1200 and IS 4021.7.1.1.5 Painting / Polishing of wood workPainting / polishing of wood work shall be in accordance with clause Nos. of specification No.6.9.2 to6.11.3.7.2 WOODEN DOOR / WINDOW FRAMEWooden door / window frame shall be made of specified wood as per item description and shall be inaccordance with detailed drawings.The wooden members of the frame shall be planed smooth and accurate to the full dimensions. Rebats,rounding, moulding etc., shall be done before the members are jointed into frames.Joints in the frame work shall be perfect with square edges and shall be pinned with hard wood / bamboopins of 10 to 15 mm dia.Wood work shall be painted / polished or otherwise treated as specified. All exposed portions shall becoated with wood primer and concealed surface by bituminous paints as per clause No. 6Before any surface treatment is applied, the wood work shall be got approved by the Engineer-in-charge.The frames shall be fixed only after acceptance by the Engineer-in-charge. The frames shall be fixed tothe masonry by 300 mm x 25 mm x 6mm MS hold fasts embedded in M-15 grade concrete block of 350mm x 100mm x 100 mm in the hole of the masonry. In case of concrete, frames shall be fixed by 96mmlong 12 mm dia metallic dash fasteners.7.3 SHUTTERS:7.3.1. Particle Board flush shutter:Particle board flush shutter shall in general conform to IS: 22027.3.1.1 Materials7.3.1.1.1 Particle BoardParticle board shall conform to IS 3097 and shall be three layer flat pressed teak wood based andof exterior grade (Grade –1), type – 1, BWP type, bonded with phenol Formaldehyde syntheticresin conforming to IS: 848.7.3.1.1.2 VeneersVeneers shall conform to class – 1 of IS 303 and (BS 476 Part – 7)7.3.1.1.3 Teak woodSpecification of Teak wood shall same as specified in clause 9.1.1.17.3.1.1.4 Hinges