GAIL (India) Limited

477.3.1.2 WorkmanshipHinges shall be of brass and butt type conforming to IS: 205. Size of hinges shall be inaccordance with shutter width and as per IS: 205.The particle board of required size and thickness shall be lipped on all the edges with T-type,teak wood lipping. The overall board lipping composition shall be uniform and specifiedthickness and shall be properly sized in view of the operation of shutter.All the four edges of the door shutter shall be square. The shutter shall be free from twist or warpin its plane. In case of double leaf shutters, the meeting of the stiles shall be rebated by one thirdthe thickness of shutter. The rebating shall be splayed.The shutter then shall be veneered on both faces by gluing approved shade and texturedcommercial type 0.5 mm thick veneering conforming to class 1 of IS 303.The veneering shall be done by gluing the veneer with BWP type, phenol formal dehydesynthetic resin conforming to IS 848 by not press process on the shutter. Workmanship and finishof the veneering shall conform to IS 303.The exposed surfaces of the lipping of the edges, shall be french polished in accordance withclause No. 6.9.2.4.2 of specification No.6.The shutter shall be fixed to the door frame, by means of hinges @ minimum 3 hinges per leaf,maximum spacing of hinges being 600 mm or as per drawing with suitable sized screws.The shutter when fitted to the frame shall satisfy all operational aspects of the door like smoothmovement, proper closing against the door frame etc.7.3.2 Glazed Wooden Door shutter7.3.2.1 Materials7.3.2.1.1 WoodTeakwood for various members like stiles, rails etc., shall be as specified in clause No.9.1.1.1.7.3.2.1.1 GLAZINGGlass sheets for glazing shall bei. 4 mm thick plain glass (wt. 7.2 kg/m2) conforming IS : 2835, orii. 5.5 mm thick wired glass conforming to IS: 5437 oriii. 6.3 mm thick laminated glass conforming to IS: 2553 as case may be as per item description oriv. 5.5 mm thick toughened glass.Glass sheets shall be free from flaws, scratches, cracks, bubbles etc.7.3.2.1.3 WORKMANSHIPTeakwood stiles and rails of size as specified in item description shall be cut accurately and plannedsmoothly to required dimensions as per drawings. The stiles and rails shall be provided with rebates forfixing the glazing and shall be jointed together to form the profile of the shutter as per drawings. Thejoinery work shall be as approved by Engineer-in-charge. Only after such approval, the joints shall becoated with white lead, pressed and secured by hardwood pins of about 6 mm dia. All the four edges ofthe shutter shall be square. In case of double leaf doors, rebates shall be provided at the meeting of stiles.Rebates shall be splayed type and one third the thickness of the stiles.