Engineering company Trant Construction has played a key role in the £9.3m enhancement of a critical sewage pumping station in Bristol on behalf of Wessex Water.
Pipes, pumps and valves were upgraded at Ashton Avenue Sewage Pumping Station (SPS) and a linked screenings station was built next door to capture debris before being discharged into the adjacent River Avon during storm events.
Three new storm pumps can pump a combined total of 7,500 litres per second – a rate which would fill an Olympic-sized swimming pool in just five and a half minutes.
A new motor control centre, with a new dual supply system, was also installed at the SPS to provide security of supply to the works.
Partners on the £9.3m project were Wessex Water (project management, design management and operations interface), WECS as principal contractor, civil demolition, construction, ICA and commissioning, Trant (for all M&E detail design, procurement, installation, commissioning and civils demolition/construction within the SPS), and Black & Veatch on design.
The principal contractor role was transferred to Trant part way through the project. The 24-month scheme came under budget and was completed a month earlier than programmed.
Gerry Somers, director of contracts at the Trant group in Southampton, said:
“Our focus is on providing Wessex Water with best-in-class project delivery, underpinned by safety, performance, the environment and time, as well as demonstrating value for money at every stage. Ashton Avenue SPS and the screenings station are examples of that.”
Trant is providing M&E services for Wessex Water’s water and sewage Treatment workstream, with Ashton Avenue SPS part of that work.
Trant is also supplying the civils and M&E services for the Grid workstream, improving the security and reliability of supply to customers by developing an integrated water supply grid.
The contracts form part of Wessex Water’s capital investment programme, its largest ever, for a 6,000-square mile area covering Bristol, Dorset, Somerset, most of Wiltshire and parts of Gloucestershire and Hampshire.
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