bids are invited for study chair with armssize back diamension 42.0cm. (w) x 26.5cm. (h) seat42.0cm (w) x 42.0cm (d). - study chair shall be made from 1.0±0.1cm. thick. hot pressed moisture resistant, commercial plywood measured as per qa method described in ocp-qlta-p14-18 and shall be upholstered with p.u. foam and superior fabric. the dimensions of back shall be 42.0cm. (w) x 26.5cm. (h) and of seat shall be 42.0cm (w) x 42.0cm (d). the hr polyurethane foam shall be moulded with density =45±2 .kg/m3 and hardness load 16 ± 2 kgf as per is:7888 for 25% compression. the understructure assembly shall be a cantilever type mainframe made of dia 2.54 ±0.03cm. x 0.2 ±0.016cm.thick.m.s. e.r.w. tube and black powder coated ( dft 40-60 microns ). the armrests shall be made in twin tube form using dia 1.58cm. (5/8) x0.16 ±0.0128cm.thk. m.s. e.r.w. tube and black powder coated (dft 40-60 microns). overall dimensions of chair shall be seat height - 46.0 cm, height - 82.5cm, width & depth of chair as measured from pedestal shall be width-54.0cm and depth-59.5 cm, providing foot adjustable clips for leveling of furniture.required line diagram and test certificate matching with product specifications and finaly colours shade and sample approved by engineer-in-charge. total quantity : 1