bids are invited for double sided book racks - supply / installation of double sided book rack.overall dimensions of double sided wood & steel book rack base unit should be 900mm ( w ) x590mm ( d ) x1890mm ( h ) . construction should be rigid knockdown . back panel up, be provided to the bottom of third rack for rigidity . racks, back panel & skirting should be made of crca 0.8 mm thickness . side panels be made of 25 mm thick pre laminated particle board ( plb ) with laminate on both sides . stackability shall have add-on units width wise to form a bank of racks having common side panel . bottom plus four fixed racks plus 10 storage levels to be provided. each rack to be provided with stiffener at bottom. load capacity per each full shelf should be 80 kg. rack back stiffenerat the rear side of the racks. these should support books on the rear side . label holder be provided on each unit to insert labels for identification . finish shall be epoxy polyester powder coated to the thickness of 50 microns. product should be green certified. product specific green gaurd / indoor air quality / griha certificate to be provided. , student desk cum bench - supply / installation of student desk-bench of dimension 1240mmx1130mmx757mm. desk-top panel, made from 18mm thick pre-laminated twin board ( e1 / p2 grade ) with pvc edge banding on all sides: corners rounded for safety. under structure: all side metal frames and cross connectors be made from combination of 25.4x1.2mm thick ( approx.18 swg ) , round erw tubes , 31.8x1.2mm thick ( approx. 18 swg ) , round erw tubes and 28.6 x 1.2mm thick ( approx. 18 swg ) , round erw tubes ( is:7138 ) ; be welded together. the welded structures and cross connectors, be coated with min. 45micron thickness of epoxy polyester coating. back supports be made of 50.8x25.4x1.2mm thick ( approx.18 swg ) rectangular erw tubes ( is:7138 ) .the tubes, be coated with 45micron thickness of epoxy polyester coating. the storage shelves, be made from 0.6mm thick ms sheet ( is:513 ) fixed below the desk top panel and should be coated with min. 45micron thickness of epoxy polyester coating. hooks for hanging bags / bottles, be made from 2mm thick ms sheet ( is:513 ) and be coated with epoxy polyester coating. the under structure should be assembled using m6 trilobular screws ( din 7500 ) with zn blue plating. compact laminate seat and back panels should be assembled using m6 counter sunk trilobular screws ( din 7500 ) with zn black plating ( as per is 1573:1986 ) . spacers on top of round tubes for wooden panels fixing. plastic caps made of pp copolymer ( 3530 grade ) be provided on the rear frames adding more aestheic value. m6 high tensile tvs make bolt ( class 8.8 ) with glasss filled nylon level adjustors at the bottom of under structure to take care of unevenness in floor; height adjustment of approx15mm. product be green certified. product specific green gaurd / indoor air quality / griha certificate to be provided. total quantity : 1