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Providing and fixing of Standard duty Hollow metal doors confirming to IS 16074 & IS 4351 made of pressed galvanized steel confirming to IS 277 with the following specification. Doors shall be manufcatured in ISO 9001: 2015 certified company for quality management. Door frame shall be single rebate grooved profile of size 125 x 55mm made out of minimum 1.20mm (18gauge) thick galvanized steel sheet. Frames shall be mitered only. Frames shall be field assembled with self tabs. Bolted & butted joints are not acceptable. Frames to have inbuild grooved sealing system for taking appropriate seal. All provision should be mortised, drilled and tapped for receiving appropriate hardware. Frames should be provided with back plate bracket and anchor fasteners for installation on a finished plastered masonry wall opening. once frames installed it should be grouted with non fire rated PUF.
Door leaf shall be 46mm thick fully flush double skin door, with or without vision lite. Door leaf shall be manufactured from minimum 0.8mm (22guage) thick galvanised steel sheet. The internal construction of the door should be rigid reinforcement pads for receiving appropriate hardware. The infill material shall be resin bonded honeycomb core. The edges should be interlocked with a bending radius of 1.4mm. For pair of doors integrated astragals has to be provided on the meeting stile for both active and inactive leaf. All doors and frames shall be finished Pure Polyster Powder coated and shall have passed minimum 500 hours of salt sprey test. Rate shall include supply and installation of frame, shutter as a complete assembly. All hardware, seals & glass including tapes cost will not be paid extra as per the hardware schedule
ndal/lindal / Hindalco make, having weight of aluminium
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