Design Supply Installation Testing and Commissioning of 250 KLD capacity Leachate Treatment Plant at Dumping Ground Dadumajra Chandigarh including Trial Run and Operation Maintenance of 24 Months

Part A Design, Supply, installation, testing & commissioning of 250 KLD Leachate Treatment Plant, Design criteria, all civil, electro-mechanical works to meet the norms for discharge of outlet treated leachate into municipal Sewer line complete in all respect including Trial Run of Minimun period of 02 Months to entire satisfication of EIC

SCREEN CHAMBER Providing and constructing RCC rectangular screen chamber of required size, complete with smooth internal finish, including earthwork excavation, PCC bedding, RCC work in base, walls and slab, reinforcement, shuttering, and providing and fixing sluice gates, complete as per approved drawings, specifications and directions of the Engineer-in-Charge.

OIL & GREASE TRAP Providing and constructing RCC oil and grease trap of baffled type, rectangular in cross-section, designed for effective surface area of 10 m², including excavation, PCC bed, RCC work, formwork, reinforcement, internal finishing and providing baffles, specifications and directions of the Engineer-in-Charge.

EQUALIZATION TANK CUM MPS Providing and constructing RCC equalization tank cum main pumping station of required capacity with hydraulic retention time of 8 hours and effective volume of 100 m³, constructed in M-30 grade concrete, rectangular in shape, including excavation, PCC bedding, RCC work in base, walls and slab, reinforcement, shuttering, smooth internal finish, and provision for installation of non-clog submersible sewage pumps, specifications and directions of the Engineer-in-Charge

CHEMICAL REACTION SYSTEM / MIXER FOR EQUALIZATION TANK Supplying, installing, testing and commissioning MSFRP chemical reaction tank of effective volume 4 m³ for mixing of neutralizing agent, coagulating agent and flocculating agent with effluent, including inlet point, mechanical mixing arrangement or coarse diffuser aeration system, base and structural support, outlet port and access platform, complete as per specifications and directions of the Engineer-in-Charge.

FLOCCULATION UNIT Providing and constructing flocculation unit of effective volume 20 m³ , rectangular in cross-section, constructed in RCC or MSFRP, including inlet arrangement and gentle mixing system for flocculation, specifications and directions of the Engineer-in-Charge.

PRIMARY CLARIFIER Supplying, installing, testing and commissioning MSFRP primary clarifier of effective volume 35 m³, rectangular in shape with hopper bottom, complete with tube media, baffles, tube media support structure, inlet and outlet ports and launder for uniform outlet, complete as per specifications, and directions of the Engineer-in-Charge.

7. UASB FEED TANK Supplying and installing MSFRP/GFS UASB feed tank of effective volume 20 m³, rectangular in cross-section, including all fittings, supports and connections, complete as per specifications and directions of the Engineer-in-Charge.

UASB REACTOR AND COMPONENTS Designing, supplying, constructing, installing, testing and commissioning UASB reactor system of suitable calculated capacity, constructed in RCC/MSFRP/GFS, rectangular or circular in shape, including reactor, GLSS separator, biogas outlet, gas deflector, effluent inlet and collection system, sludge outlet, sludge pumps, valves and fittings, with all associated components in FRP/HDPE/PVC/SS, complete as per process design, specifications and directions of the Engineer-in-Charge.

ANOXIC TANK Providing and constructing anoxic tank of suitable calculated capacity, rectangular or circular in shape, constructed in RCC/MSFRP/GFS, including civil works, internal finishing and appurtenances, complete as per drawings, specifications and directions of the Engineer-in-Charge.

BIOREACTOR – I Providing and constructing Bioreactor-I of suitable calculated capacity with hydraulic retention time greater than 24 hours, rectangular or circular in shape, constructed in RCC/MSFRP/GFS, including civil works and internal finishing, specifications and directions of the Engineer-in-Charge

BIOREACTOR – II Providing and constructing Bioreactor-II of suitable calculated capacity, rectangular or circular in shape, constructed in RCC/MSFRP/GFS, including civil works and internal finishing, specifications and directions of the Engineer-in-Charge.

SECONDARY CLARIFIER / TUBE SETTLER Providing and constructing secondary clarifier or tube settler system of effective volume 40 m³, constructed in RCC/MSFRP/GFS, rectangular with hopper bottom or circular with mechanical sludge scraper, designed for solid loading rate of 25 kg/m²/day and surface overflow rate of 15 m³/m²/day, specifications and directions of the Engineer-in-Charge.

CHLORINE CONTACT TANK Supplying and installing MSFRP chlorine contact tank of effective volume 5 m³, including all fittings and connections, complete as per specifications and directions of the Engineer-in-Charge.

FILTER FEED TANK Supplying and installing MSFRP filter feed tank of effective volume 40 m³, rectangular in shape, including all fittings and connections, complete as per specifications and directions of the Engineer-in-Charge.

TREATED LEACHATE TANK Supplying and installing MSFRP/GFS treated leachate tank of effective volume 80 m³, rectangular or circular in shape, including all fittings and connections, complete as per specifications and directions of the Engineer-in-Charge.

SLUDGE HOLDING TANK Supplying and installing MSFRP/GFS sludge holding tank for biological sludge, rectangular or circular in shape, including all fittings and connections, complete as per specifications and directions of the Engineer-in-Charge.

SLUDGE THICKENER Supplying, installing, testing and commissioning MSFRP sludge thickener, circular or rectangular with hopper bottom, painted with two coats of primer, levelled putty and two coats of epoxy paint, complete with inlet and outlet ports, thickened sludge outlet nozzle and structural supports, complete as per specifications and directions of the Engineer-in-Charge.

FOUNDATIONS Providing and constructing RCC foundations for packaged leachate treatment plant equipment, including excavation, PCC, RCC work, reinforcement, shuttering and finishing and directions of the Engineer-in-Charge.

SCREENS Supplying and installing SS-304 coarse and fine screens, rectangular in shape, with angle of inclination between 45°–60°, perforation size of 8–10 mm for coarse screen and 3–6 mm for fine screen, including supporting frames and fittings, complete as per specifications and directions of the Engineer-in-Charge.

MECHANICAL OIL AND FAT SKIMMER Supplying, installing, testing and commissioning belt type mechanical oil and fat skimmer with special polymer belt, MS fabricated base frame and cover, including electric drive motor, collection box, wiper blade and protective cover, complete as per specifications and directions of the Engineer-in-Charge.

ANOXIC MIXER Supplying, installing, testing and commissioning anoxic mixer of propeller or turbine type, constructed in stainless steel or cast iron, driven by electric motor, suitable for vertical or horizontal mounting, operating on 415 V, 50 Hz power supply, complete as per specifications and directions of the Engineer-in-Charge.

CHEMICAL DOSING UNITS Supplying, installing, testing and commissioning chemical dosing system for dosing of acid/alkali, coagulant, flocculant and nutrients, comprising HDPE/PVC dosing tanks of 500-litre capacity, metered electromagnetic diaphragm dosing pumps of required capacity made of PP/PVDF, including all fittings and accessories, complete as per specifications and directions of the Engineer-in-Charge.

CHEMICAL MIXER Supplying, installing, testing and commissioning SS-316 chemical mixer for flash mixing of neutralizing, coagulating and flocculating agents, including mixer propeller, shaft, electric motor and MSEP support structure, complete as per specifications and directions of the Engineer-in-Charge.

COARSE BUBBLE DIFFUSERS Supplying and installing coarse bubble aeration system comprising EPDM/silicon disc type diffusers of 150/200 mm diameter, producing bubble size of 4–5 mm, suitable for air flow of 6–8 Nm³/hr, including air distribution piping and accessories, complete as per specifications and directions of the Engineer-in-Charge.

FINE BUBBLE DIFFUSERS Supplying and installing fine bubble aeration system comprising EPDM/silicon tubular diffusers of 92 × 1000 mm, suitable for air flow of 8–12 Nm³/hr, including air distribution piping and accessories, complete as per specifications and directions of the Engineer-in-Charge.

AIR BLOWERS Supplying, installing, testing and commissioning twin lobe rotary air blowers, cast iron construction, suitable for operating pressure of 0.4–0.5 kg/cm², air-cooled type, complete with silencers, air filters, base frame, pulleys, V-belts, NRV, pressure gauge and safety valve, complete as per specifications and directions of the Engineer-in-Charge.

AIR BLOWER MOTORS Supplying, installing, testing and commissioning squirrel cage induction motors, three-phase, 415 V, 50 Hz, suitable for air blowers, including mounting and electrical connections, complete as per specifications and directions of the Engineer-in-Charge.

MULTIGRADED FILTER Supplying, installing, testing and commissioning multigrade filter of size Ø1200 mm × 1800 mm, constructed in MSEP, complete with graded media comprising fine sand, coarse sand, gravel and pebbles, including top and bottom distribution system, frontal piping, butterfly valves, pressure gauges, backwash arrangement, all interconnections and accessories, technical specifications and directions of the Engineer-in-Charge.

ACTIVATED CARBON FILTER Supplying, installing, testing and commissioning activated carbon filter of size Ø1200 mm × 1800 mm, constructed in MSEP, complete with activated carbon media, coarse sand, gravel and pebbles, including butterfly / multi-port valve, top and bottom distribution system, piping, pressure gauges, backwash arrangement, all interconnections and accessories, complete as per approved drawings, technical specifications and directions of the Engineer-in-Charge.

LEACHATE LIFT PUMPS Supplying, installing, testing and commissioning submersible non-clog sewage pumps suitable for leachate lifting, having cast iron construction, suitable head 12m and discharge 12.5m3/hr complete with three-phase motor, guide rail arrangement, delivery piping, NRV, isolating valve and all accessories, complete as per specifications and directions of the Engineer-in-Charge.

UASB FEED PUMPS Supplying, installing, testing and commissioning submersible non-clog sewage pumps for feeding leachate to UASB reactor, suitable for specified head 12mand discharge 12.5 m3/hr, with cast iron construction, three-phase motor, delivery piping and accessories, complete as per specifications and directions of the Engineer-in-Charge.

PRIMARY SLUDGE TRANSFER PUMPS Supplying, installing, testing and commissioning submersible non-clog sludge transfer pumps head 10m and discharge 5 m3/hr suitable for primary sludge handling, with cast iron construction, gland packed or mechanical seal arrangement, three-phase motor, delivery piping and accessories, complete as per specifications and directions of the Engineer-in-Charge.

SECONDARY SLUDGE TRANSFER PUMPS Supplying, installing, testing and commissioning submersible non-clog sludge transfer pumps head 10m and discharge 5 m3/hr suitable for secondary sludge, with cast iron construction, gland packed or mechanical seal arrangement, three-phase motor, delivery piping and accessories, complete as per specifications and directions of the Engineer-in-Charge.

UASB SLUDGE TRANSFER PUMPS Supplying, installing, testing and commissioning submersible non-clog sludge transfer pumps head 10m and discharge 5 m3/hr suitable for UASB sludge handling, with cast iron construction, sealing arrangement, three-phase motor and accessories, complete as per specifications and directions of the Engineer-in-Charge.

MIXED LIQUOR RECYCLE PUMPS Supplying, installing, testing and commissioning non-clog mixed liquor recycle pumps suitable for a head of 10 m and discharge of 35 m³/hr, provided with gland packed sealing, three-phase motor and all accessories, complete as per specifications and directions of the Engineer-in-Charge.

FILTER FEED PUMPS Supplying, installing, testing and commissioning monobloc filter feed pumps suitable for head of 30 m and discharge of 12.5 m³/hr, with IP-55 protection, cast iron construction, three-phase motor and accessories, complete as per specifications and directions of the Engineer-in-Charge.

TREATED WATER PUMPS Supplying, installing, testing and commissioning monobloc treated water pumps suitable for head of 15 m and discharge of 25 m³/hr, with IP-55 protection, cast iron construction, three-phase motor and accessories, complete as per specifications and directions of the Engineer-in-Charge

SCREW PRESS FEED PUMPS Supplying, installing, testing and commissioning screw pump or submersible non-clog sewage pump head 35-40 m and discharge 2 m3/hr suitable for feeding sludge to screw press, with cast iron construction, three-phase motor and all accessories, complete as per specifications and directions of the Engineer-in-Charge.

SCREW PRESS Supplying, installing, testing and commissioning screw press sludge dewatering system constructed in SS 304/SS 316, comprising sludge feed arrangement, flocculation tank, thickening and dewatering unit, sludge cake discharge, filtrate outlet, screw motor, gearbox, polymer dosing unit and control panel, power supply 415 V, 50 Hz, 3 Phase, Noise Level;< 65 Db,Solids at Outlet:18–22% ,complete as per specifications and directions of the Engineer-in-Charge.

BIO CARRIER MEDIA Supplying and placing moving bed bio-carrier media made of HDPE/PP with specified geometry, surface area 500 m²/m³ , density 0.92-0.94 gm/cc and , suitable for biological treatment process, complete as per specifications and directions of the Engineer-in-Charge.

TUBE SETTLING MEDIA Supplying and installing PVC tube settling media of hexagonal chevron type, with thickness 1–1.1 mm and operating temperature 55°C, suitable for clarification units, complete as per specifications and directions of the Engineer-in-Charge.

DISINFECTANT DOSING UNIT Supplying, installing, testing and commissioning disinfectant dosing unit comprising electronic metering dosing pump 0–12 LPH, HDPE/PVC dosing tank of capacity200 L , fittings and accessories, complete as per specifications and directions of the Engineer-in-Charge.

PIPING, VALVES AND FITTINGS Providing, laying, jointing, testing and commissioning piping system for leachate, sludge, treated water and air using uPVC/HDPE/CI/DI/SS pipes, including all bends, tees, reducers, flanges, gaskets and butterfly/gate/ball valves, complete as per specifications and directions of the Engineer-in-Charge.

FLOW METERS Supplying, installing, testing and commissioning electromagnetic type flow meters suitable for leachate and treated water, including sensors, transmitters, cabling and accessories, complete as per specifications and directions of the Engineer-in-Charge.

ELECTRICAL CONTROL PANEL Supplying, installing, testing and commissioning MS powder-coated electrical control panel, dust and vermin proof, comprising main incomer, starters for pumps and blowers, protection devices, meters and indicating lamps, complete as per specifications and directions of the Engineer-in-Charge.

ELECTRICAL CABLES AND FITTINGS Supplying, laying, testing and commissioning copper electrical cables of suitable size, including PVC conduits, cable trays, glands, lugs and termination, complete as per specifications and directions of the Engineer-in-Charge.

OPERATIONAL ACCESS & SAFETY ARRANGEMENTS Providing and fixing operational access and safety arrangements comprising ladders, walkways, platforms and hand railings, fabricated in MSEP / mild steel, including cutting, welding, bolting, anchoring, and fixing in position, finished with anti-corrosive primer and epoxy paint, specifications and directions of the Engineer-in-Charge.

Part B Operation and Maintenance of 250 KLD Leachate treatment plant including cost of Manpower, Chemicals & routine maintenance to make the LTP Operational 24 X 7 to meet the norms as per the satisfaction of EIC.(Ch To:- Revenuel Head SWM) Note:- O& M to commence after succussfully compeletion of trail Run of minimum period of 2 months

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