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Design, Supply, Installation, Testing And Commissioning of Packaged STP Having Capacity (250KLD) on Turnkey Basis, For Chattar Mandu Pond Rejuvenation At Chattar Mandu, District Ramgar-- 1 Bar Screen: Supply, installation, testing & commissioning of SS.304 screens (size 600mm wide x 800mm high approx.) consisting of 1 set shall be provided in front of the intake works so as exclude the large sized particles with associated set of guide angles in MS plate of 10.00mm screen kept inclined at 45 degree to the horizontal at 40mm c/c with one no. GI and rack. Bar Rack fabricated from SS-304 bars to cover the width of the screen chamber with a racking arm for manual operation. 2 Coarse Aeration Grid: Supplying and fixing of lateral & header type SS Air grid in Equalization Tank for supply of designed air to keep suspended solids in suspension/ homogeneous odorless state and avoid septic condition. 3 Sewage Pump: Supply, installation, testing & commissioning of non-clogging type submersible pumps (one working & one standby) with cutter version to pump sewage from equalization sump to Bio Pac reactor at uniform flow rate having C.I. casing & CI impeller complete with all accessories, motor of following capacity, delivery header with isolation valve with isolation cock level controller with wiring to control the level of sump automatically pump shall have following duty etc. as required.Solid handling Cap. 25-35mmFlow rate – 5 m3/hr. eachHead - 10 to 14 m 4 Sludge Recirculation Pump: Supply, installation, testing & commissioning of non-clogging mono block centrifugal sludge transfer pump (2 nos. - 1 working & 1 standby to transfer sludge from Sedimentation compartment to drying bed with all accessories, motor of following capacity, delivery header with isolation valve, with isolation cock level controller with wiring to control the level of sump automatically pump shall have following duty etc. as required.Solid handling cap. 10mmFlow rate – 2 m3/hr. eachHead - 8 to 14 m 5 Air Blower for MBBR Reactor – EQ Tank: SITC of diaphragm type blower capable of delivering 200 M3/Hr. in total complete with all accessories as requiredFlow Pressure : 0.5 Kg/ sq.cm Motor HP/RPM : As required to meet capacity.Capacity 300 LPM: 12 no’s [4 each reactor]Noise: < 50 db. 6 FRP STP – PACKAGED REACTORNo. of Units 1 TO SERVE 85 KLD SEWAGEMOC of Tank FRP, thickness of sheet : > 8 mm Retention time of 12 hours as minimum to ensure proper treatment of wastewater and bacterial activity.The packaged STP should have different compartment of sedimentation at initial phase followed by anaerobic reactor compartment followed by aerobic MBBR compartment followed by sedimentation compartment for secondary settling followed by filter feed tank al equipped as single packaged FRP STPwith smart IOT systemAerobic Compartment Fine Pore Diffusers: Supply, installation, testing & commissioning consisting of fine pore diffuser EPDM suitable for Packaged FRP STP aeration MBBR chamber.Aerobic Compartment Fine Aeration Grid: Supply & fixing diffuser grid in MBBR tank UPVC suitable to meet aeration requirementAnoxic Compartment Media: Supply, installation, testing & commissioning of media of having surface area of 300-800 m2/m3.Aerobic Tank: Supply, installation, testing & commissioning of FRP tank as required volume to meet aeration process. [16.79m3]Anoxic Tank: Supply, installation, testing & commissioning of FRP tank as required volume to meet anoxic process.[12.39m3]Sedimentation Tank: Supply, installation, testing & commissioning of FRP tank as required volume to meet sedimentation process.[8.38m3]Filter Feed Tank: Supply, installation, testing & commissioning of FRP tank as required volume to serve input storage for feeding filter feed pumps [4.21m3] 7 Chlorine Doser: Supply, installation, testing & commissioning of online automatic electronic sodium hypochlorite dosing unit with automatically operated dosing pump comprises of one HDPE Cylindrical tank of 200 Lit. One no. electronic diaphragm type positive displacement pump for chemical dosing with plastic head. The electronic pump shall be operated on 220-volt single phase supply and shall be mounted directly on the tank top complete set of pipes, valve, and fittings.Pump - 2 NOSMin. Pressure 0.3 Kg/ sq.cm, Max working pressure 0.5 Kg/sq.cmDosing Flow Rate 5 lph 8 Filter Feed pump: Supply, installation, testing & commissioning of Filter Feed Pump consisting of two nos. centrifugal non submersible type filter feed pumps (one working+ one standby) to feed tertiary treatment process through multi grade filter, activated carbon filter. The pump shall be suitable for the following requirements centrifugal pump of 12.5 m3/hr. head 10 mtr complete fittings, etc. as required 9 Multi Grade Filter: Supply, installation, testing & commissioning of Multigrade sand pressure filter for filtration of treated sewage water. The filter shall be suitable for 12.5 m3 per flow rate and designed to operate for 20 hrs and to handle sewage water .Type Vertical Pressure Vessel – MSEP [6mm thick with rubber lining and epoxy coated]Pressure Maximum 3.5 kg/sq.cu Minimum 1.0 kg/sq. cm, Pressure Drop across unit 1.0 Kg/sq.cm.Dia 1500mm length 2000mm with high grade sand media 10 Activated Carbon Filter: Supply, installation, testing & commissioning of Carbon pressure filter for filtration of treated sewage water. The filter shall be suitable for 12.5 m3 per flow rate and designed to operate for 20 hrs and to handle sewage water .Type Vertical Pressure Vessel – MSEP [6mm thick with rubber lining and epoxy coated]Pressure Maximum 3.5 kg/sq.cu Minimum 1.0 kg/sq. cm, Pressure Drop across unit 1.0 Kg/sq.cm.Dia 1500mm length 2000mm with high grade sand media 11 STP Piping Network: Supplying and fixing of MS/UPVC/PVC pipes making interconnection of all piping works, Valve of different size within the limits of STP as per the technical requirement etc. as required. 12 Control Panel: Design, fabrication, supply, installation, testing and commissioning of free-standing control panel. The panel shall be suitable for 415 volts, including control wiring and switch gears for controlling all the electrical motors and blowers necessary for successful operation of STP. i) One No. 32 amps, 25 KA rating TP incoming MCCB complete with the following.ii) 1 No. 0-500 volts 96x96 sq. mm ammeter with selector switch and fuses.iii) 1 No. 0-16 amps 96x96sq.mm ammeter with 60/5 amps ratio CTs and selector switch.iv) Over voltage and under voltage tripping mechanism for persistent voltage fluctuations of more than -+ 10% of the rated voltage for more than 5 minutes.v) Phase indicating lamps with main toggle switch.vi) Indication lamps for ON/OFF/TRIP status of motorsOut Goings Feeders/Starters: - For all motors of suitable capacity
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