Design, Supply, Installation, testing and commissioning of Packaged Sewage Treatment Plant 30 KLD STP based on SBR technology at Dolphin Resort, Swaraj Dweep

Amount

Design, Supply, Installation, Testing and Commissioning of avanced fully automatic 30 KLD Package Type STP based on SBR Technology having Micro processer-based control unit with IOT/intranet/internet web-access, romote monitoring capabilities.

Manually operated Bar Screens ( Sewage) Supply, installation, testing & commissioning of manual screen, to trap floating particles and prevent electromechnical maintenance issues, operational disturbances, and electronic equipment failure. Suitable sized manually operated bar screen made of MSEP in RCC screen channel/chamber as per following specifications. Cleaning : Manual screen Size : As per OEM design MOC : Complete in MSEP Make : As per OEM.

Sewage Feed Pumps for Reactor Supplying, installation, testing & commissioning of Horizontal centrifugal Self Priming pumps Complete in CI body& CI impeller having soild handling upto 8 mm with motor, pressure gauge with isolation cock, Isolation valve, NRV on delivery line & Isolation valve at suction. The pump shall be suitable for 415±10% volts 3 phase AC supply including all fitting ,fixture & base frame. Fabrication of Pumps header/ base frame / inlet and outlet connections Flow rate (each)= 10 m3/hr for 30 kld effluent @20hrs. Max particle handling: 8 mm Head = 12 mtr Motor Hp = As per design/Model Make: Kirlosker/Lubi/CRI/Equiv.

Supply, Installation, Testing, and Commissioning of complete, self-contained, prefabricated Sequencing Batch Reactor (SBR) with inbuilt Chlorination Tank (CCT) and Treated Water Tank (TWT) Supply, Installation, Testing, and Commissioning of a complete, self-contained, prefabricated Sequencing Batch Reactor (SBR) unit with inbuilt Chlorination Tank (CCT) and Treated Water Tank (TWT). The unit shall be designed for biological treatment of wastewater, carrying out all treatment phases — fill, aerate, settle, decant, and idle — in a single compact tank through an automated timed control sequence. The system shall be factory-fabricated, fully welded, leak-proof, and supplied as a ready-to-install module with all interconnections and accessories. To provide a centralized, efficient biological treatment process for the removal of organic matter (BOD/COD), and suspended solids etc, through an automated cyclic process Type:Prefabricated, Rectangular/Cylindrical Tank Material of Construction (MOC):MSFRP: 4 mm thick Mild Steel (MS) shell with a minimum 1.0 mm internal FRP (Fiber Reinforced Plastic) lining for superior corrosion protection. Aeration System equipped: Suitable With Fine Bubble Disc membrane Diffusers (EPDM), connected to a dedicated air blower. Decanter System : Suitable for Adjustable/ floating decanter arm or fixed weir with pump for effluent withdrawal without disturbing settled sludge. Sludge Withdrawal: Manual or automated sludge withdrawal system with valves and piping. Inlet & Outlet: Flanged connections for seamless integration with inlet and outlet piping. External Finish: Surface preparation (sandblasting), one coat of grey primer, and two finish coats of enamel paint (Yellow shade). Accessories: Inspection hatches, sample ports, and necessary internal piping. Decantation system:Supply, installation, and integration of a manually adjustable floating decanter mechanism, operated by a solenoid valve, for use in a Sequencing Batch Reactor (SBR). The system shall be designed to withdraw clarified effluent from top of the surface without disturbing settled sludge, with all operations managed automatically by the plant's central PLC Solenoid valve:Type: Normally Closed (NC) Operation: 24V DC / 220V AC (as per control panel compatibility). Material: As per OEM to ensure complete chemical compatibility with the PVC decanter piping and effluent. Pressure Rating: Minimum 10 kg/cm². Port Size: As per hydraulic design. Decanter support & guided Construction Material: SS 304 for all structural components, including guides, brackets, fasteners, and support members. The structure shall consist of vertical guide Squarepipe/angle and a rigid horizontal support frame fixed to the tank wall or roof. It must allow for smooth vertical movement of the decanter float assembly No of Reactors - 1 nos Design & Make : As Per OEM

Inlet & Outlet: Flanged connections for seamless integration with inlet and outlet piping. External Finish: Surface preparation (sandblasting), one coat of grey primer, and two finish coats of enamel paint (Yellow shade). Accessories: Inspection hatches, sample ports, and necessary internal piping. Decantation system:Supply, installation, and integration of a manually adjustable floating decanter mechanism, operated by a solenoid valve, for use in a Sequencing Batch Reactor (SBR). The system shall be designed to withdraw clarified effluent from top of the surface without disturbing settled sludge, with all operations managed automatically by the plant's central PLC Solenoid valve:Type: Normally Closed (NC) Operation: 24V DC / 220V AC (as per control panel compatibility). Material: As per OEM to ensure complete chemical compatibility with the PVC decanter piping and effluent. Pressure Rating: Minimum 10 kg/cm². Port Size: As per hydraulic design. Decanter support & guided Construction Material: SS 304 for all structural components, including guides, brackets, fasteners, and support members. The structure shall consist of vertical guide Squarepipe/angle and a rigid horizontal support frame fixed to the tank wall or roof. It must allow for smooth vertical movement of the decanter float assembly No of Reactors - 1 nos Design & Make : As Per OEM

Fine DISC type EPDM air diffusers Supply, installation testing & commissioning of EPDM Disc Type Fine Bubble Diffusers suitable for installation in SBR reactor. Each diffuser shall have a diameter of 300 mm and a diffusion capacity of 5–8 m³/hr. The diffusers shall be supplied complete with service saddles, clamps, fittings, and fixtures required for proper mounting and operation. Equipment : Fine Bubble Diffuser Type: Disc Type Material (MOC): EPDM Diameter: 300 mm Diffusion Capacity 5–8 m³/hr Application : Reactor Make: Techpro/Scogen/Vasu

Coarse DISC type EPDM air diffusers Supply,installation testing & commissioning of EPDM Disc Type Coarse Bubble Diffusers suitable for installation in the Equalization Tank. Each diffuser shall have a diameter of 75mm with a diffusion capacity of 5–8 m³/hr. The diffusers shall be supplied complete with necessary fittings and fixtures for proper mounting and reliable performance. Equipment : Fine Bubble Diffuser Type: Disc Type Material (MOC): EPDM Diameter: 75mm Diffusion Capacity 5–8 m³/hr Application : Collection Tank Make: Techpro/Scogen/Vasu

Air Blowers for aeration Supply, Installation, Testing & Commissioning of Twin Lobe Rotary Type Air Blower for Reactors, Equalization tank complete with suitable IE3 foot mounted motor (415 ± 10% Volts, 3 Phase, 50 Hz A/C supply), delivering 200 m³/hr at 0.3kg/cm² differential pressure, including CI body construction, with standard accessories, fittings & fixtures, Power Supply: 415 ± 10% Volts, 3 Phase, 50 Hz AC Differential Pressure: 0.3 kg/cm² Flow: 50-80 m³/hr Motor Rating: 2-3 HP (Foot Mounted) MOC (Blower Body): CI Blower Make : Akash Motor Make : Crompton / ABB

Air Grid system Supply, installation, testing & commissioning of Sub-merged Air Grid for reactors, complete with clamps, fittings, tees, elbows, and other necessary fixtures. Design Pressure: 10 kg/cm² MOC: PVC Butterfly Valves 50 mm, Make: Sant, Kranti Make: Astral or equivalent

MS Header System Supply installation testing & commissioning of supporting Air Blower Distribution header over the blowers in MS (B-class) complete with Fitting, Flanges, MS Bend, MS socket, pressure gauze, Safety Valve , Nipple, Brass valve, Gasket, base frame & Blower NRV suitable for Dia with complete fittings & fixtures. 4" Dia MS Pipe(B-class)for Air blower header of Equalization tank Make : Jindal/Bhushan, Tata Butterly Valves Make: Belanto/Kranti/Equiv. Qty :1 lot Make : Jindal/Bhushan, Tata

Sludge withdrawl Pumps for Reactor Supplying, installation, testing & commissioning of Horizontal centrifugal Self Priming pumps Complete in CI body& CI impeller having soild handling upto 8 mm with motor, pressure gauge with isolation cock, Isolation valve, NRV on delivery line & Isolation valve at suction. The pump shall be suitable for 415±10% volts 3 phase AC supply including all fitting ,fixture & base frame. Fabrication of Pumps header/ base frame / inlet and outlet connections Flow rate (each)= 1-2 m3/hr Head = 10 mtr Motor Hp = 0.5 Make: Kirlosker/Lubi/CRI/Equiv. hp

Onsite outer interconnecting Piping & Fitting for STP unit Supply, Installation & laying, testing of onsite piping shall comprise of pipes, droppers/laterals with PVC headers, complete with all necessary fittings such as tees, crosses, plugs, sockets, elbows, reducers, supports, clamps, etc. The work includes cutting & making good within the STP Plant. A common header, distribution & any other discharge pipe line for pumps & motors etc. Size: As per design process not below 50 mm dia Design Pressure: 10 kg/cm² MOC: PVC Butterfly Valves 50 mm, Make: Sant, Kranti Make: Astral or equivalent

Chlorination system Supply, installation, testing & commissioning of complete chlorine dosing system comprising inlet/outlet connections, piping, valves, and accessories, along with metering pump of suitable capacity for efficient disinfection of incoming ffluent against bacteria and viruses. Application: Effluent disinfection, Pump Type : Diaphragm Metering System Components: Dosing tank, metering pump, suction & discharge piping, valves, fittings, and accessories Pump MOC: PP / Teflon lined Flow Rate (each): 0–6 LPH (Adjustable, depending on dosing requirement) Dosing tank capacity -100 Litres MOC = PVC/HDPE Make= Sintax/Sheetal or equivalent. Pump Make: E-dose / UKL/ Equivalent

Filter Feed pumps Supply, Installation testing & commissioning of Centrifugal Horizontal Filter Feed pumps Complete in CI body& CI impeller with motor, pressure gauge with isolation cock, Isolation valve, NRV on delivery line, stainer at suction. The pump shall be suitable for 415±10% volts 3 phase AC supply Fabrication of Pumps header/ base frame / inlet and outlet connections Flow rate (each) = 1.5 m3/hr Head = 20 - 25 mtr Motor HP = 1.5 MOC = CI Make: Kirloskar/Lubi/CRI

Pressure Sand Filter Design, Supply, installation, testing & commissioning of a complete Pressure Sand Filter (PSF) unit. The work includes the manufacture of the pressure vessel with assembly of all internal and external components, initial charging with specified filter media, and providing all necessary frontal piping, valves, and standard fittings for immediate installation and operation. Vessel Material: FRP Design Working Pressure: Minimum 3-4 kg/cm². Nozzles & Connections:Flanged connections for Inlet, Outlet, and Rinse Drain. Size 12" 65" Filter media : Fine Sand and gravels Make: As per OEM

Activated Carbon Filter Design, Supply, installation, testing & commissioning of a complete Pressure Sand Filter (PSF) unit. The work includes the manufacture of the pressure vessel with assembly of all internal and external components, initial charging with specified filter media, and providing all necessary frontal piping, valves, and standard fittings for immediate installation and operation. Vessel Material: FRP Design Working Pressure: Minimum 3-4 kg/cm². Nozzles & Connections:Flanged connections for Inlet, Outlet, and Rinse Drain. Size 12" 65" Filter media : Fine Sand and gravels Make: As per OEM

Supply , installation & commissioning of Instruments. Pressure Guazes Make: Baumer/Equivalent Float Switches Make: Jigo/Equivalent

Supply, installation & commissioning Flow meter for Inlet & Outlet (In-built) Direct Reading Analog : 50 mm Make :Belanto/Sant/Kranti

Chemical & Consumables for one year from the completion date

Operator Manpower- 01 Skilled operator for manning the Plant for one year after completion date including training of 02 staff of Dolphin resort for operation and maintenance of plant

The rates to be quoted accordingly for the whole operation for "Design, Supply, Installation,Testing & Commissioning of Packaged Sewage Treatment Plant 30KLD STP based on SBR technology (Including Mechanical work, electrical work including PLC, MCC panel, interconnecting cable, instrumentation work, interconnecting piping & valve and trial run & commissioning work including comprehensive operation and maintenance for 01 year at Dolphin Resort Swaraj Dweep" ( To supply and commission the STP as per scope of work. The Job rate should be inclusive of GST.)

Harshwardhan Infratech Private Limited (BID ID -60952)