Clancy has been appointed by Portsmouth Water to deliver the next stage of work on the Havant Thicket Reservoir project - the contract has an estimated value of £26.84 million.
Image: artist's visualisation how Havant Thicket Reservoir could look once complete
Clancy will build a new pumping station at Farlington Water Treatment Works and install a new pipeline connecting the works with a storage reservoir for treated drinking water just north of Portchester, reaching a key milestone on the Havant Thicket project.
Under the approved plans for the Havant Thicket Reservoir project, water from the reservoir will be sent to Portsmouth Water’s Farlington Water Treatment Works, where it will be treated to strict drinking water standards.
The new pipeline will be used to move the water across the region, helping Southern Water reduce the amount of water it takes from two precious Hampshire chalk streams, the River Test and River Itchen.
The new pipeline, which will use trenchless construction methods at key points, will be approximately 8.5km long and will be able to move up to 32.4 million litres of water per day. Clancy is planning to use innovative technology and materials, including no-carbon concrete.
Work is due to begin in December and is expected to be completed in early 2030.
Matt Cannon, Chief Executive Officer at Clancy, commented:
“Havant Thicket Reservoir is one of the UK’s most important new water resource projects, and we are proud to be helping Portsmouth Water to construct the critical infrastructure its network needs to support this development.
“We will be bringing together skilled, directly employed teams and specialist local supply chain partners to deliver the scheme, from the new pumping station and mechanical and electrical systems to the 8.5km pipeline to move treated water across the network. Our focus throughout will be on safe, precise and efficient delivery that also protects the environment and minimises disruption to the community.
“This appointment builds on Clancy’s longstanding experience in building and strengthening complex infrastructure in the region. As the water sector faces growing pressure from our changing climate and rising demand, we’re looking forward to working on this project to secure future water resilience and protect Hampshire’s ecologically important chalk streams.”
The new infrastructure forms part of the approved Havant Thicket Reservoir project, which received planning permission in 2021. It is separate from the proposed Hampshire Water Transfer and Water Recycling Project.
Once complete, it will provide a new source of water for the region to help protect the River Test and River Itchen.
Upfront funding for the reservoir is being provided by infrastructure investor Ancala and a consortium of leading banks. The project will be paid for over time through Southern Water customers’ drinking water bills.
Bob Taylor, Chief Executive Officer of Portsmouth Water, said:
“This is another important milestone for the Havant Thicket Reservoir project and we’re delighted to welcome Clancy on board. They have more than 60 years of experience and bring considerable expertise in delivering major civil engineering projects.
“Ultimately, this work is about delivering the core purpose of Havant Thicket Reservoir: helping to protect the River Test and River Itchen, two incredibly precious chalk streams here in Hampshire.”
Matt Cannon, Chief Executive Officer at Clancy, commented:
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