/1 purchase of furniture (further requirement ) in connection with newly constructed inspection bungalow at purulia under purulia highway division, p.w.(roads) dte. in the district of purulia. , highrolla 3str sofa supply , fitting & fixing of reception sofa highrolla 3 seater . the supply should be as per approved drawing & design/ specifications. the following oem certifications must be furnished during the submission of bid :iso 9001:2015, iso 50001:2018 , iso 45001:2018,iso 14001:2015,iso 13485:2016,(all iso must be from nabcb accredited agency), bifma (membership & level 2,3 product certificates ), indian design mark, aiota ( all india occupational therapist association) , griha greenguard by ul and indoor air quality gold by scs global services.1. seat :(1 seater, 2 seater, 3 seater,chaise,corner,wing chair) understructure : understructure of seat is made up of combination of pinewood members and 12mm thick plywood. pinewood are of understructure·cross sections 22x64mm,34x64mm and 16x35mm without having major knots & defects on the surface.complete understructure of seat is made by gluing, nailing & stapling. non-woven fabric of 100gsm is stapled on the top surface after attaching zig-zag spring to cover the structure.seat support tube made up of steel is added in the seat structure of 2 seater,3 seater and chaise for additional strength & support. foam : seating surface is made by using pocket spring of wire dia 2mm which is surrounded by pu foam of density 28 kg/m3. a top layer of supersoft pu foam with density 32 kg/m3 is used to provide softness. upholstery cover : upholstery cover of seat is made of woven fabric. 2. backrest : (1 seater, 2 seater, 3 seater,chaise,corner,wing chair) understructure: understructure is made up of combination of pinewood members, 12mm thk ·plywood and hdpe sheet. pinewood are of cross sections 16x35mm, 16x74mm, 25x25mm without having major knots & defects on the surface. foam: backrest is made of pu foam with density 60 kg/m3.