Quotation Are Invited For Supply, Install, Test, And Commission Water Filtration Systems In Magdoushe, Saida District

Quotation are invited for Supply, Install, Test, And Commission Water Filtration Systems in Magdoushe, Saida District Closing Date: Thursday, 16. Jul 2026 Intervention Sector(s): Infrastructure & Services Rehabilitation Duration of Contract: Detailed timeline per deliverable to be agreed upon with the consultant. Oxfam is seeking a qualified contractor to supply, install, test, and commission water filtration systems in Magdoushe. The scope of work includes the design and installation of the water filtration systems in Magdoushe, with all associated civil, mechanical, and electrical works. Mandatory site visit will be on Tuesday 14th of July 2026 at 10:00 AM in Maghdoshe water point. Interested bidders to send email to [email protected] indicating their willingness to attend the visit. BACKGROUND AND CONTEXT Oxfam is a global movement of people, working together to end the injustice of poverty. Oxfam has been working in Lebanon since 1993. We provide humanitarian assistance to vulnerable people affected by conflict, and we promote economic justice and good governance, and womens rights. Oxfam also works with local partners to contribute to the protection and empowerment of marginalized women and men. SPECIFICATION OF GOODS REQUIRED Project overview A water filtration system will be installed in Magdoushe, through the construction and installation of a new prefabricated sandwich panel room to house the treatment system. The system will consist of multi-stage filtration components designed to ensure a safe, reliable, and continuous potable water supply for beneficiaries. All required items are detailed in the Bill of Quantities (BOQ), and the corresponding technical specifications are provided in the sections below. Slab on Grade: Supply and construct a reinforced concrete slab on grade, including all materials, excavation, subgrade preparation, installation, curing, and finishing works. Specifications: Thickness: 12 cm Area= 30 m2 Concrete strength: fc = 25 MPa Reinforcement: Ø10 mm steel bars @ 200 mm c/c in both directions Compacted base course and leveled subgrade Smooth finished surface Proper slope to ensure drainage of surface water Shrinkage control and curing in accordance with approved standards The slab shall be properly leveled, compacted, reinforced, cast, and cured. All works shall be executed in accordance with approved drawings and the Engineers instructions. Steel Stand for Water Tank Supply, fabricate, and install a steel support stand for a 1,000 L water storage tank, including all materials, accessories, installation, testing, and commissioning. Specifications: Dimensions: 1.5 m (H) × 1.2 m × 1.2 m Designed to safely support the full load of a 2,000 L water tank Constructed from 50 × 25 mm hollow steel sections Includes 3 mm thick steel plate top support One coat of anti-corrosion primer and two coats of protective paint Includes all bracing, anchors, fittings, and accessories The stand shall be properly positioned, leveled, and securely fixed. The contractor shall install and secure the water tank on the stand with all necessary accessories. Reinforced concrete footings shall be provided where required to ensure structural stability, as directed by the Engineer. Water Storage Tank (3000 L): Supply, deliver, and install a 3000 L polyethylene water storage tank, including all materials, accessories, installation, testing, and commissioning. Three-layer polyethylene construction Complete with inlet/outlet connections, valves, drain, and all required fittings Installed on a fabricated steel stand, minimum 10 cm above ground level Steel structure to be protected with anti-corrosion coating (primer and paint) Tank should be properly positioned, leveled, and securely fixed. All connections shall be leak-proof and in accordance with approved standards. The stand shall be properly positioned, leveled, and securely fixed. The contractor shall place and fix the water tank on the stand with all necessary accessories, as directed by OXFAM Engineer. Raw Water Transfer Pump Supply and install a raw water transfer pump from the intake chamber to the raw water storage tank, including all materials, electrical connections, installation, testing, and commissioning. Capacity: 24 m³/hr Power: 0.50.75 HP Stainless steel wetted parts Dry-run protection Float control integration Non-return valve Pump shall be properly installed, aligned, and connected to the system. Electrical connections shall be completed in accordance with applicable standards, ensuring safe and reliable operation. Filtration Feed Pump Supply and install a filtration feed pump from the raw water storage tank to the filtration system, including all materials, electrical connections, installation, testing, and commissioning. Capacity: 46 m³/hr Power: 0.751 HP Designed to provide adequate pressure for: Sand filter Carbon filter Cartridge filter UV system Pressure control system Dry-run protection Non-return valve All required fittings and connections Pump shall be properly installed, aligned, and connected to the filtration system. Electrical works shall be executed in accordance with applicable standards to ensure safe and reliable operation Treated Water Booster Pump Supply and install a treated water booster pump from the treated water tank to the distribution taps, including all materials, electrical connections, installation, testing, and commissioning. Power: approximately 0.5 HP Sized for operation of up to 4 taps Automatic pressure-based ON/OFF control Dry-run protection Non-return valve Optional small pressure tank Pump shall be properly installed and connected to the treated water system. Electrical works shall be carried out in accordance with applicable standards to ensure safe and reliable operation. Sand Filter Supply and install a sand filtration unit, including all materials, accessories, installation, testing, and commissioning. Specifications: Fiberglass tank: 16 × 65 Nominal flow rate: approximately 6 m³/hr Maximum operating pressure: 10 bar 1-inch inlet and outlet connections Graded gravel media (24 mm) Silica sand media (0.6 mm) Automatic backwash control valve with programmable backwash and rinse cycles All required fittings, valves, and accessories The unit shall be properly installed, leveled, and connected to the filtration system. Backwash operation and filtration performance shall be tested prior to commissioning. Carbon Filter Supply and install an activated carbon filtration unit, including all materials, accessories, installation, testing, and commissioning. Specifications: Fiberglass tank: 16 × 65 or approved equivalent Nominal flow rate: approximately 6 m³/hr Maximum operating pressure: 10 bar 1-inch inlet and outlet connections Graded gravel media (24 mm) Activated carbon media (Donau, Germany or approved equivalent) Automatic backwash control valve with programmable backwash and rinse cycles All required fittings, valves, and accessories The unit shall be properly installed, leveled, and connected to the filtration system. Backwash operation and filtration performance shall be tested prior to commissioning. Cartridge Micro Filter Supply and install a cartridge filtration unit, including all materials, accessories, installation, testing, and commissioning. Specifications: Filter housing: 20" Big Blue type or approved equivalent Filter cartridge rating: 5 microns Minimum operating pressure: 10 bar Isolation valves Mounting brackets All required fittings, connections, and accessories The unit shall be properly installed, aligned, and connected to the filtration system. All connections shall be leak-proof, and the system shall be tested to ensure proper operation prior to commissioning. UV system Supply and install a UV disinfection unit, including all materials, accessories, installation, testing, and commissioning. Specifications: Capacity: 24 GPM Power: 110 W Reactor chamber: SS316 stainless steel 20" pre-filter housings Sediment cartridge Carbon cartridge UV lamp complete with quartz sleeve Control relay and timer for synchronized operation with the treatment system All required fittings, valves, connections, and accessories The unit shall be properly installed and connected to the filtration system. Electrical and control components shall be configured to ensure reliable operation. UV disinfection performance and system functionality shall be tested prior to commissioning. Dosing Pump (Chlorination System) Supply and install an automatic chlorine dosing system, including all materials, accessories, installation, testing, and commissioning. Type: Digital automatic dosing pump Operating pressure: ~0.7 bar Brand: EU origin or equivalent 100 L solution tank Chlorine supply (63% dichloro or equivalent) Injection fittings and all required accessories Complete dosing and injection system for effective chlorination Minimum 3-year warranty on dosing pump Tank shall be installed on a suitable and stable base, properly aligned and secured. All connections shall be leak-proof, and the system shall be tested to ensure proper operation prior to commissioning. Stainless Steel Water Storage Tank (1000 L) Supply, deliver, and install a stainless steel water storage tank, including all materials, accessories, installation, testing, and commissioning. Specifications: Capacity: 1,000 L Cylindrical tank configuration Material: Stainless steel (minimum SS304 grade) Suitable for potable water storage Corrosion-resistant construction Inlet and outlet connections Overflow pipe Drain connection Valves and level indicator All required fittings, supports, and accessories The tank shall be properly positioned, leveled, and securely installed on the designated support structure. All connections s Tender Link : https://daleel-madani.org/civil-society-directory/oxfam-gb/calls/supply-install-test-and-commission-water-filtration-systems-magdoushe-saida-district