New Okhla Industrial Development Authority Tender

Supply, Fabrication, installation, testing and commissioning of sewage treatment plant based on FAB process with sewage handling capacity 55 m3 per day. The entire plant will be constructed in M.S EP.The STP shall be designed as water retaining structures, with necessary chemical dosing as required by the manufacturer's design. All the equipment, piping, pumps, air blowers and electrical panel to be housed in the STP skid and in weather proof enclosure including M.S. puddle flange (Galvanized), inlet, outlet, overflow, vent, moving ladders & railing. The cost will also include any consequential civil work including making foundations for the structure, pumps, blowers etc. Domestic Sewage from toilets, kitchen etc. Design to take consideration of same. Daily average flow : 55 M3/Day PH : 6.5 - 8.5 BOD5 : 150 - 350 mg/l S. Solids : 150 - 300 Mg/l COD : 400 - 600 mg/l Oil & Grease : 20-50 mg/L Effluent discharge standard after treatment :- PH : 7.0 - 8.5 BOD5 : Less than 10 mg/l S. Solids : Nil COD : Less than 40 mg/l Oil & Grease : Less than 1 mg/l The STP shall consist of following units but not limited to these unit as may be required by the manufacturer's design. MS PVC coated rungs in all tanks & Platform for maintenance etc. complete as required. Perforated bar screen chamber including 2 nos. S.S. bar screens of size 600mm x 750mm having provision for chain lifting arrangement etc. complete as required in S.S in 316 with 40mm partitions construction. Collection cum Equalization sump including provision for aeration will be kept to avoid any smell problems in Zinc-allume. (Min. 15 cum effective volume). Air grid and diffusers in contractor's scope of supply.providing and fixing of course bubble areation system . Advanced MBBR tank with air diffuser and piping complete of adequate capacity. Fine air bubble jet diffuser with EPDM seat minimum number of diffusers to be provided 10-12 nos.(Capacity /Volume of Advanced MBBRTank Min. 4.0 hours retention with a Advanced MBBR Media of PVA gel having surface area of 2500 m2/m3 and in porous structure) in MSEP ADVANCED MBBR media. Secondary Tube settling tank (with Tubedek media) hopper bottom type with arrangement of deep well, baffle wall, scum removal arrangement, outlet launders with arrangement of lifting sludge from the bottom etc. complete as required in MSEP Filter Feed Water Tank to collect the treated water with Inlet/Outlet, drain, overflow connection, vent etc. complete as required of Capacity min. 4 cum. in MSEP. Sludge Holding Tank with suitable sludge disposal pump of suitable capacity with provision of air diffusion, supernatant withdrawl arrangement in MSEP with 10 days holding capacity. Air grid and diffusers to be in contract's scope of supply. Air diffuser system with 2 nos. twin-type air blower of capacity suitable for 55 m3/day at the pressure of 0.50 kg/cm2 each including fine bubble membrane type diffusers complete with valves & air distribution grid complete as required with VFC Providing and fixing all piping (as described below) and isolation control valves, non return valves etc. for making the system complete. PVC piping (10kg/sqcm) - For all submerged waste water piping. MS (C Class) - For all exposed air piping and flexible braded pipe for submerged air piping. GI (C class) for all other water piping. Providing and fixing all instrumentation eg. Pressure gauges, level controllers, sensors, rotametres for air, water etc. for making the system complete (01 Job)

EQUALIZED WASTE WATER TRANSFER PUMPS : Supply, assembly, erection, testing and commissioning of SS submersible non-clog pumps, suitable to handle raw sewage having the following capacities with vortex impeller / grinder type, complete with 3 phase squirrel cage submersible motor of required HP for 415 + 10% volts, 3 phase, 50 Hz. A.C. supply cooled by surrounding liquid, submersible cable upto main panel within the plant room, dry running preventor, G.I. guide pulling chain, all the necessary piping and accessories, valves, delivery header etc. as required complete in all respects. The rate will include electrical panel with cyclic operation as supplied by the manufacturers) The above installation shall be complete with sump pump lifting assembly, ready made electro – galvanized MS lifting chain, GI pipe header complete with discharge manifold, flanges, tee, elbow etc. complete including GI pipe upto the top of sump and including GI union. Header shall be sized for both pump working under delivery velocity of 1.5 m/sec. Capacity : 2.60 M3/hr @ Discharge Head 15 M head (solid handling 30- 40 mm) (1 Working + 1 Stand by) (CI Body and CI Impeller and shaft) (1 Working + 1 Standby). (01 Job)

FILTER FEED PUMPS : Providing and fixing Horizontal centrifugal pumps for filtration. The pumps shall be made of CI casing, bronze Impeller, SS shaft & sleeve, Mechanical Seal are connected to a TEFC induction motor mounted on a common channel base frame with coupling guard, 150 mm dia pressure gauge with GM isolation cock, suitable vibration eliminator pads of approved design. Motor to be suitable for 400/440 V, 3 Phase, 50 cycles AC power supply, including all necessary piping, valves and other accessories and concrete foundation complete as required. Capacity 4.6 M3/Hr.@ 25 M head (02 Nos)