Pipeline notice

HWTWRP Continued ME4

Southern Water Services Limited

Description

The Hampshire Water Transfer and Water Recycling Project (The Project) is a Strategic Resource Option (SRO) and a major part of Southern Water’s long-term strategy to address the significant water supply shortfall in Hampshire. By using advanced water treatment technologies, the Project will transform treated wastewater, normally pumped far out to sea, into purified recycled water. This new resource will supplement natural spring water from Portsmouth Water’s Bedhampton Springs, with both sources being stored in the new Havant Thicket Reservoir. This integrated approach will maximise the reservoir’s capacity, ensuring greater water availability, especially during periods of drought. Water from the reservoir will be transferred to our existing Otterbourne Water Supply Works, where it will undergo further treatment to strict drinking water standards prior to going into supply. By establishing a sustainable and resilient water source, the Project will help safeguard essential water supplies for our customers while reducing reliance on environmentally sensitive water sources. The Project consists of a Water Recycling Plant, tunnel and pipeline connections, a High Lift Pumping Station, and a circa 42 km transfer to Otterbourne Water Supply Works inclusive of intermediate pumping stations and break pressure tanks. The Project scope includes Design, Build, Finance, Maintain and Operate (DBFOM) of new water infrastructure, including water recycling, water transfer, and substantial …

  • 43614000 Parts of tunnelling machinery
  • 44000000 Construction structures and materials; auxiliary products to construction (except electric apparatus)
  • 45200000 Works for complete or part construction and civil engineering work
  • 45222100 Waste-treatment plant construction work
  • 45221240 Construction work for tunnels
  • 45231100 General construction work for pipelines
  • 45231300 Construction work for water and sewage pipelines
  • 45240000 Construction work for water projects
  • 45252126 Drinking-water treatment plant construction work
  • 50000000 Repair and maintenance services
  • 65100000 Water distribution and related services
  • 65130000 Operation of water supplies
  • 71000000 Architectural, construction, engineering and inspection services
  • 71340000 Integrated engineering services
  • 71500000 Construction-related services
  • 71540000 Construction management services
  • 71541000 Construction project management services
  • 66100000 Banking and investment services
  • 66122000 Corporate finance and venture capital services

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Source: Find a Tender Service — UK Cabinet Office. Open Government Licence v3.0. Updated 9 October 2026. Sample – the full list is refreshed nightly.