Providing and Fixing of Chairs for Auditorium Halls at Shri Vishwakarma Skill University

Providing and Placing of Auditorium Chair. SEAT REST ASSEMBLY: The seat rest assembly is 1.5±0.1 cm thk. flat plywood measured and in- situ moulded with polyurethane foam and upholstered with polyester fabric and enclosed by an injection moulded cover. The Seat has an auto-tip up feature making it stay in upright position when not in use enabling clear row passage. The seat profile has a large waterfall edge to help the users get necessary comfort in popliteal region. *SEAT SIZE: 45.0 cm. (W) x 50.5 cm (D) x 13.8 cm (T) Approx. BACKREST ASSEMBLY: The backrest assembly is made up of 1.2±0.1cm thk flat plywood measured and upholstered with polyester fabric and enclosed by an injection moulded back cover. The back foam is designed with contoured back support for extra comfort. *MID BACK SIZE: 48.7 cm. (W) x 68.9 cm (H) x 12.5 cm (T) Approx. HIGH RESILIENCE (HR) POLYURETHANE FOAM: The HR polyurethane foam for Seat and Back is moulded with Density = 45 plus /- 2kgs/m³. LEG FRAME ASSEMBLY: The leg frame assly is fabricated from M.S. tube 6.0±0.03cm x 4.0±0.03cm x 0.2±0.016cm thk. welded with grouting member. It is black powder coated ( DFT 40-60 microns ) and grouted to the floor using anchors. ARMREST ASSEMBLY: The armrest is made up of black integral skin polyurethane with 65 plus /-10 Shore `A` hardness and reinforced with M.S. insert fixed with leg frame. The armrests are scratch and weather resistant. The armrest is available in two options- with and without cup holder. ARMREST CLADDING: The armrest cladding is made up of 0.9±0.1 cm thk Plywood and upholstered with polyster fabric. The cladding is fixed to Aisle Side panel Only. All in between panels will not have armrest cladding. POWDER COATING: All 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 Existing flooring. Mid Back w/o Cup holder - (W)64*(Armrest)54.6*(D)71.5* (H)95.0*(SH)44.5`

Providing and Placing of Revolving Chair. SEAT ASSEMBLY: The seat assembly should be made up of 1.2 ±0.1cm. thick hot-pressed plywood , upholstered with fabric upholstery covers and moulded Polyurethane foam. SEAT SIZE: 47.0 cm. (W) x 48.0 cm. (D) BACK ASSEMBLY: The back asembly. should be made of powder coated (OFT 40-60 microns) tubular frame of 0 2.54 ±0.03cm. x 0.2 ±0.016cm.thk. MS ERW tube designed with contoured lumbar support for extra comfort. The back should be upholstered using double layer spacer mesh fabric with high tenacity yarn. BACK SIZE : 46.5 cm. (W) x 60.5cm. (H) HIGH RESILIENCE (HR) POLYURETHANE FOAM: The HR polyurethane foam should be moulded with density =45 plus /-2 kg/m3 and hardness load 16 ± 2 kgf for 25% compression. ARMRESTS: The one-piece armrests should be injection moulded from black Co-polymer Polypropylene. . TUBULAR FRAME: The powder coated (DFT 40- 60.microns) tubular frame should be cantilever type and made of Ø2.54 ±0.03cm. x 0.2 ±0.016cm thick M.S.E.R.W. Tube. Overall Dimensions of Chair Seat Height - 46.5cm. Height - 93.5cm. Width and Depth of Chair as measured from pedestal - Width-61.0 cm and Depth-64.5 cm. ISO Certified

Providing and Placing of Revolving Chair. SEAT/BACK ASSEMBLY: The seat is made up of 1.2 ± 0.1cm thk. hot pressed plywood measured. The Back is made up of injection moulded glass filled nylon and upholstered using Mesh fabric with high tenacity yarn. * SEAT SIZE : 47.0 cm. (W) x 51.5 cm (D) * BACK SIZE : 45.0 cm. (W) x 65.3 cm. (H) HIGH RESILIENCE (HR) POLYURETHANE FOAM: The HR polyurethane seat foam is moulded with density 45 plus /-2 kg/m³ and hardness 16 ± 2 kgf as per IS:7888 for 25% compression. ARMRESTS : The adjustable armrest is designed with the following features : • Up-Down adjustment- 8 steps (8.0±0.5cm range) • Height adjustable armrest structure which is Powder Coated and fitted with an armrest top. • Fixed Armrest Top is PU moulded over metal insert. LUMBAR SUPPORT ASSEMBLY: The Lumbar support consists of polypropylene pad with moulded polyurethane foam and covered with polyester fabric. The Height of Lumbar pad can be adjusted through two projecting knobs provided on the rear side of the pad. Lumbar pad has an adjustment of 8.0 ± 0.5 cm in height. FRONT PIVOT SYNCHRO MECHANISM: The adjustable tilting mechanism is designed with the following features. • 360° revolving type. • Single point control • Front-pivot for tilt with feet resting on ground ensuring more comfort • Tilt tension adjustment • 4-position locking with anti-shock feature • Seat/back tilting ratio of 1:2. PNEUMATIC HEIGHT ADJUSTMENT. The pneumatic height adjustment has an adjustment stroke of 10.0 ± 0.3 cm. Pedestal Assembly : The pedestal is injection moulded in black 30% glass filled nylon and fitted with 5 nos. twin wheel castors. The pedestal pitch center dia is 66.1± 0.5 cm. TWIN WHEEL CASTORS: The twin wheel castors are injection moulded in black Nylon. 20 16658 33163 Width: 76.1cm Depth: 76.1cm Height: 98.0- 108.0cm Seat Height: 45.5-55.5cm ISO Certified