supply of revolving chair with fixed armrest shoul [revolving chair with fixed armrest should have center tilt & upright locking mechanism, 360 degree revolving type; height adjustment - pneumatic/hydraulic; pedestal base - mild steel chrome plated; type of chair base - wheel castor (05 nos. of twin wheel castor with minimum 50mm diameter); seat base material - hot pressed plywood; seat material - pu form (with minimum 60 kg per cubic meter density and 60mm thickness); seat height from floor surface - 380 mm (with minimum 60mm seat height adjustment); width of seat - 350mm; depth of seat - 350mm; seat upholstery material- polyester fabric; backrest with fixed limber support should have hot pressed plywood frame; density of pu used in backrest is minimum 60 kg per cubic meter and thickness will be minimum 60 mm; backrest should have 450mm height and 350mm width; backrest upholstery material - polyester fabric. the item shall have minimum 01 year replacement warranty (onsite) for any defecates. or batter make godrej/nilkamal/krishtha etc.] , revolving chair with fixed armrest should have center tilt & upright locking mechanism, 360 degree revolving type; height adjustment - pneumatic/hydraulic; pedestal base - mild steel chrome plated; type of chair base - wheel castor (05 nos. of twin wheel castor with minimum 50mm diameter); seat base material - hot pressed plywood; seat material - pu form (with minimum 60 kg per cubic meter density and 60mm thickness); seat height from floor surface - 380 mm (with minimum 60mm seat height adjustment); width of seat - 350mm; depth of seat - 350mm; seat upholstery material- polyester fabric; backrest with fi xed limber support should have hot pressed plywood frame; density of pu used in backrest is minimum 60 kg per cubic meter and thickness will be minimum 60 mm; backrest should have 450mm height and 350m m width; backrest upholstery material - polyester fabric. the item shall have minimum 01 year replacemen t warranty (onsite) for any defecates. or batter make godrej/nilkamal/krishtha etc. [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]