construction of district eoc with video conference facility at the first floor of disaster management section, barasat, 24 pgss - supplying, fitting and fixing of conference table alongwith mid back chair at conference hall under barasat division , supply , fitting & fixing of 25 seater conference table. 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 ) , greenguard by ul and indoor air quality gold by scs global services, work surface : made of 25mm thick pre-laminated twin board of e1-p2 grade and approved shade conforming to is-12823:1990, edge banded with matching 2 mm thick pvc lipping. plastic abs access flap is provided for easy access to wires and cables. work top is available in various shapes as shown above. understructure : it consist of 18mm thick pre-laminated twin board of e1-p2 grade and approved shade conforming to is-12823:1990, edge banded with matching 2 mm thick pvc lipping. aluminium alloy 63400 - wp profile is used for connecting panels together. the product has a knock-down construction. modesty panel : made of 18mm thick pre-laminated twin board of e1-p2 grade and approved shade conforming to is-12823:1990, edge banded with matching 2 mm thick pvc lipping. powder coated accent metal strip provided below work surface to enhance aesthetics. it is made of 0.8mm crca as per is 513, epoxy polyester powder coated ( dft 40-60 microns ) . wire management : an array of panels made of 0.8mm crca ms is:513, epoxy polyester powder coated ( dft 40-60 microns ) is used for flow of wires and cables. provision to mount anchor roma 6 module plate is provided below worktop. cutout on top with two piece injection moulded plastic part polymer component is fitted to pull out audio, video cables onto worktop and connect devices charger to power socket below worktop. , supply , fitting & fixing of chair bravo mid back. 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 ) , greenguard by ul and indoor air quality gold by scs global services, the seat and back shall be made up of 1.2 ±0.1cm. thick hot-pressed plywood measured as per qa method described in ocp-qlta-p14-18 and upholstered with fabric upholstery covers and moulded polyurethane foam. the back foam shall be designed with contoured lumbar support for extra comfort. the seat shall be extra thick foam on front edge to give comfort to popliteal area. the dimensions of back shall be 47.5 cm ( w ) x 58.0 cm ( h ) and of seat shall be47.0 cm ( w ) x 48.0 cm ( 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 one-piece armrests shall be injection moulded from black co.polymer polypropylene. the mechanism shall be designed with 360° revolving type, upright-position locking, tilt tension adjustment, seat / back tilting ratio of 1:3. the pneumatic height adjustment shall has an adjustment stroke of 12.0 ±0.3cm. the bellow shall be 3 piece telescopic type and injection moulded in black polypropylene. the pedestal shall be injection moulded in black 33% glass-filled nylon-66 and fitted with 5 nos. twin wheel castors. the pedestal shall be 66.3 ±0.5cm. pitch-center dia. ( 76.3 ±1.0cm with castors ) . the twin wheel castors shall be injection moulded in black nylon. overall dimensions of chair shall be seat height - min 42.5 to max 54.5cm, height - min85.5 to max 97.5cm, width & depth of chair as measured from pedestal - width-76.3 cm and depth-76.3 cm.