The seat size shall be 465 ±10 mm width X 460 ±10 mm depth and back size shall be 480 ±10 width X 520  ±10 mm height from seat & overall height 960 ±10 mm. The seat and back shall be made of 15mm thick hot pressed commercial plywood padded with HR moulded PU foam 50mm thick having density 40kg/m3 in seat and 40mm thick having density 32Kg/m3 in back. It should be upholstered with fabric tapestry 1mm thick and 300 GSM. The backrest of the chair should be natural curvature of the spine to provide back support. The seat and back shall be arrested together with 50 - 60 thick powder coated HR steel spine and the armrest shall be used black integral polypropylene arm completely joint with seat. The frame structure shall be cantilever support type made up of MS/CRCA powder coated round pipe of Dia. 25 mm with 2mm thickness. There shall be co-polymer polypropylene shoe provided at the base to avoid scratches on the floor.