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MWH wins £100m contract to build advanced water treatment plant for Severn Trent Water

by Trevor Loveday

MWH Treatment has signed a £100m contract with Severn Trent Water to build a “state-of-the-art” water treatment facility near to the water firm’s existing Church Wilne site. Severn Trent said it was the highest value contract for an individual project it has signed in AMP7. The project is part of its £566 million Green Recovery Programme.

The new water treatment works – called Witches Oak Water Treatment Works – will, severn Trent said, help add up to 89Ml of drinking water a day to the region using ceramic membrane technology provided by Nijhuis Saur Industries. The technology is currently in use in only one other large-scale treatment works in the country Severn Trent claimed.

As part of the project, Severn Trent will pre-treat water using floating wetlands: “This will help provide a more sustainable and nature-based treatment process whilst also bringing significant improvements in biodiversity,” said Severn Trent.

MWH Treatment’s project director for the Witches Oak Water Treatment Works, Richard Thomson, said “A project such as this requires an investment in innovation and a commitment to real collaboration to ensure the project thoroughly integrates design and construction to the highest health and safety standards across the projects supply chain. We will facilitate this collaborative innovation by applying our Digital Delivery Tools including digital surveying, interactive visualisations, intelligent 3D models, rehearsals, and digital field management.”

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