Design and build works to upgrade/refurbish Wadi Al Flaie WWTP and other associated components from 2,250m3/day to 5,500m3/day. the scope includes design and builds of inlet lifting station, headworks, aeration tanks, clarifiers, sludge thickener, filtration building, chlorination building, sludge thickener, sludge stabilization system by lime mixing facilities, sludge drying beds, TSE storage reservoir capacity of 8,000 m3, the Final Effluent Pump Station (FEPS), Substation, Electrical & Control Building, Air Blower Building, including internal roads, and all ancillary works and Testing and Commissioning. The Scope of works includes Rehabilitation works for the existing treatment plants and necessary integration works for new and existing treatment plants, Testing and Commissioning of the Works.