萝莉原创

萝莉原创

18 March 2026

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Costain picked to upgrade Rugby sewage works

1 hour Severn Trent has chosen Costain to deliver infrastructure upgrades at its Rugby Newbold sewage treatment works.

Rugby Newbold sewage treatment works [Photo credit: Costain]
Rugby Newbold sewage treatment works [Photo credit: Costain]

The 拢45m upgrade will see Costain design and build a new activated sludge plant to improve resilience and increase the site鈥檚 capacity for treating dry weather flow.

The new facility will have a biological wastewater treatment system that uses microorganisms to digest organic contaminants in sewage. It will integrate with the site鈥檚 existing systems and increase its total capacity by 28%, from 21,600 to 27,598 cubic metres per day, by 2028.

The increased capacity will ensure the site meets AMP8 WINEP regulations that require wastewater sites to permit a higher volume of dry weather flow, thereby improving operational resilience.

In addition, the works will include the construction of new pumping stations, four new final settlement tanks with a diameter of 29 metres each, and a chemical dosing plant.

Costain will also be expanding and upgrading the existing inlet works and increasing feed and storm capacity at the site, as well as carry out improvements and upgrades to various facilities and utilities systems.

The programme of works will run until 2028.

Severn Trent delivery business lead Andrew King said: 鈥淭hese upgrades will see our Rugby wastewater site be able to hold even more rainwater during storms, meaning less chances of issues such as flooding or the use of overflows.鈥

Costain water sector director Matt Bateman said: 鈥淲e have a long-term trusted partner relationship with Severn Trent and are looking forward to once again having the opportunity to deliver high quality infrastructure upgrades quickly and safely. This award is built on our excellent track record of identifying construction efficiencies and delivering best-in-class solutions that maximise value for Severn Trent and its customers.鈥

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