Boxing clever at the largest treatment plant in the Northwest

Following the appointment of Laing O’Rourke to undertake the multimillion pound modernisation of the Davyhulme Waste Water Treatment Works in Manchester by United Utilities, the CPM Group is supplying bespoke precast box culverts to the largest treatment plant in the Northwest, which serves over a million people. The modernisation programme involves significant remediation of previously abandoned land, followed by construction of six circular primary settlement tanks (PST) and a large activated sludge plant (ASP) with 10 circular final settlement tanks (FST). This work will lead to significant environmental benefits for the site, improving the outflow, and subsequently the quality, of water entering the Manchester Ship Canal. Richard Sutton, United Utilities Senior Project Manager, commented on the appointment, saying: “Davyhulme is an iconic site where modern wastewater treatment was invented more than a hundred years ago. We are keen to get started on this next development in the plant’s history, to ensure we continue to serve the people of Manchester into the 21st Century.” Graham Flynn, Laing O’Rourke Project Director added: “We are delighted that United Utilities has selected Laing O’Rourke to help Davyhulme Waste Water Treatment Works become one of the UK’s most efficient and sustainable waste water treatment plants. Our ability to maximise the benefits of modern, offsite construction and engineering techniques is central to our solution, meaning that we can deliver this complex scheme in a live environment with minimal disruption.” The delivery team on the project comprises design heavyweights Hyder Consulting and Mott MacDonald, who will be working in collaboration with Laing O’Rourke; together this team has a proven track record of designing and delivering some of the UK’s most complex water projects. Rob Dunstan, technical director with Hyder-Mott MacDonald JV said: “The Hyder Mott MacDonald JV is delighted to be collaborating with LOR on this prestigious project. The approach to the design will be industry leading and will make full use of BIM technology to ensure a world class solution that stands the test of time.” The Davyhulme wastewater treatment works expansion is due to be completed in 2018. Paul Whyte, CPM Sales Manager commented: “CPM’s precast concrete box culverts are designed and manufactured in both standard sizes available from stock as well as a bespoke range that is manufactured to customer specification, so are an ideal fit for a project such as this, as we are able to ensure the customer choice as well as durability, proven strength and the services of our civil engineers. CPM is also able to offer BIM (Building Information Modelling) which was of great interest to this project”.

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