Construction of Auditorium building at Bardowali HS School Agartala Tripura west / SH Providing fitting and fixing of Auditorium Chairs

Amount

Supplying and fitting fixing of Auditourium chair (VENUS i FRAME ) SEAT / BACK: The seat sub-assembly is made up of 1.2±0.1cm Thk Plywood, upholstered 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 gass filled polypropylene inner upholstered with polyester fabric over moulded foam and covered with an injection-moulded polypropylene outer cover. Both these sub-assemblies are fixed to the tubular structure. BACK SIZE: 46.3cm (W) X 59.0cm (H). SEAT SIZE: 47.0cm (W) X 49.5cm (D). TUBULAR FRAME STRUCTURE: The understructure is made of two straight I-leg of

Ø3.81±0.03cm x 0.2 ±0.016cm 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±0.03cm x 0.25 ±0.016cm 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 I frame is used for straight layout typically. HIGH RESILIENCE (HR) POLYURETHANE FOAM: The HR polyurethane foam is moulded with density = 45 ±2 kg/m³ and Hardness load for Seat 16 ± 2 kgf and Hardness load for back 14 ± 2 kgf as per IS:7888 for 25% compression. ARMRESTS: The armrest is made of Injection moulded PP compound.The Armrest is mounted on a 3.15mm thick HR sheet which is welded on the tubular frame. POWDER COATING: Steel components are epoxy polyester powder coated (DFT 40-60 microns). 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 and fixing charge.

M/S SUNIL KUMAR BANIK (BID ID -176129)

KINGKAR ROY (BID ID -176190)

DESIGN M (BID ID -175154)

KOLKATA INTERIORS PRIVATE LIMITED (BID ID -175143)