Infrastructural Development of Gandacherra Sub-Division, Dhalai District / 1000 seated capacityAuditorium/SH- Civil works, plumbing works, Stage works including stage lighting, internal electrification, sound system and air conditioning works.

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VENUS AUDITORIUM CHAIR I-FRAME

1) SEAT / BACK: The seat sub-assembly is made up of 1.2±0.1 cm Thk Plywood, uphoistered with polyester fabric over moulded foam and covered with an injection-moulded polypropylene outer cover. The seat can be manually tipped-up when not in use. The back sub-assembly is made up of injection-moulded gas filled polypropylene inner uphoistered with polyester fabric over moulded foam and covered with injection-moulded polypropylene outer cover. Both these sub-assemblies are fixed to the tubular structure. BACK SIZE: 46.3 cm(W) x 59.0 cm (H), SEAT SIZE: 47.0 cm (W) x 49.5 cm (D). 2) TUBULAR FRAME STRUCTURE (I FRAME): The understructure is made of two straight I-leg of Ø3.81±0.03 cm x 0.2±0.016 cm THK M.S.E.R.W round tube and is fixed with the seat support assembly using M8x15 INT. SOC HD M/C Screw QTY-2 NOS on each side. The seat support assembly is made of a straight and bent tube of Ø2.22±0.03 cm x 0.25± 0.016 THK M.S.E.R.W. round tube with 5mm thk mounts at both ends. The Seat assembly is pivoted on this assembly. The Back assembly is mounted on a 3.15mm thick Armrest bracket. The I Frame structure is grouted using 4 Anchor Bolts on a 5mm thick bottom plate which is welded to the upper frame structure. The Anchor Bolts are covered using 2 PP Foundation Bolt Cover which are fitted together on each leg. The frame is used for straight layout typically. 3) HIGH RESILIENCE (HR) POLYURETHANE FOAM: The HR polyurethane foam is moulded with density = 45±2 kg/mꝪ and hardness load for seat 16±2 kgf and hardness load for back 14±2 kgf as per IS:7888 for 25% compression. 4) ARMREST: The armrest is made of Injection-moulded PP compound. The armerest is mounted on a 3.15 thick HR sheet which is welded on the tubular frame. 5) POWDER COATING: Steel components are epoxy polyester powder coated (DFT 40-60 microns). 6) FLOORING PRE-REQUISITE: The auditorium chair is designed to get mounted/grouted on floors with flooring specification as mentioned in flooring pre-requisite Branded Brand. including carrying, fitting & fixing charge.

DESIGN M

KOLKATA INTERIORS PRIVATE LIMITED