supply, erection and commissioning of effluent treatment plant for regional food testing laboratory rftl, nalbari-2 bar screen ( coarse ) with 20mm carse size and 0.5m3 / hr capacity 3 lime, ferric dosing system with capacity of pump 0-4 lph and 3 bar pressure electronic metering type with 2 nos dosing tank of 50ltrs capacity each 4 flash mixture of 1m3 volume 5 oil skimmer 6 raw effluent water transfer pump ( 1w +1s ) of capacity 0.5m3 / hr and head of 12 mwc centrifugal type, non-clog, self priming 7 air blower ( 1w +1s ) for equalization tank & bio aeration tank of capacity 40m3 / hr and working pressure of 4 mwc with twin lobe and root type, 1440 rpm with motor type horizontal, tefc, squirrel cage and protection type ip55 8 coarse diffusers of 90mm od, tubular type 9 settling tank media of thickness 1.0 mm ( + / - 0.1 mm ) , moc of media pvc uv stabilized 10 mbbr media , hexagonal shaped with pp moc 11 sludge recirculation pump ( 1w+1s ) of capacity 0.5m3 / hr and head of 30 mwc, centrifugal, non-clog , self priming type, moc ci 12 hypo chloride dozing system with pump capacity 0-4 lph and 3 bar pressure, electronic metering type. the system will have 1 dozing tank of 50 ltrs capacity, moc hdpe 13 finer diffuser, fine bubble type, moc epdm 14 filter feed pumps ( 1w+1s ) of capacity 0.5 m3 / hr and 30m head, horizontal centrifugal monoblock type, moc ci 15 pressure sand filter, vertical cylindrical type, of 0.5m3 / hr capacity, size 1665, moc frp, with multiport valveand having graded sand / pebbles media 16 activated carbon filter, vertical & cylindrical type of capacity 0.5 m3 / hr capacity , size 1665, moc frp, with multiport valveand having activated carbon iv 900+ media 17 uv system of 0.5 m3 / hr capacity 18 rcc bar screen chamber of size 0.5m ( l ) x 0.5m ( b ) x 1m ( th ) of volume 1m3 19 rcc equalization tank of size 1.42m ( l ) x 1.42m ( b ) x 3.0m ( ld ) + 0.5m ( fb ) of volume 6m3 20 bcc sludge drying beds of size 1.0m ( l ) x 1.0m ( b ) x 1.5m ( th ) of volume 1.5m3 21 pump and equipment pedestrals as per site condition 22 flash mixer of size 0.5m ( l ) x 0.5m ( b ) x 3.0m ( ld ) + 0.5m ( fb ) , moc msep having volume 0.75m3 23 aeration tank of size 1.3m ( l ) x 1.3m ( b ) x 3.0m ( ld ) + 0.5m ( fb ) , moc msep having volume 5.0 m3 24 secondary settling tank of size 1.0m ( l ) x 1.0m ( b ) x 3.0m ( ld ) + 0.5m ( fb ) , moc msep having volume 3.0 m3 25 filter feed tank of size 1.0m ( l ) x 1.0m ( b ) x 3.0m ( ld ) + 0.5m ( fb ) , moc msep having volume 3.0 m3 26 treated water tank of volume 5m3, hdpe make 27 electrical panel, non compartmentalized, moc ms- powder coated 28 switch gear preferable l&t / equivalent make 29 starters 30 copper power cables, ug armoured 31 flexible-copper instrument cables