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22.09.2021, 12:28

Thames Water Contract

Kier has been appointed by Thames Water to deliver a £66 million design and build project at Mogden Sewage Treatment Works (STW) in Isleworth, West London.

 

The new works on the site of Thames Water’s third-largest sewage treatment works will include the design and construction of significant new facilities designed to provide additional resilience and capacity, and includes upgrades to existing tanks as well as the construction of new tanks, replacement of key mechanical and process equipment and a site-wide upgrade of electrical panels. On completion, the works are expected to increase the capacity of preliminary treatment and the efficiency of Sludge and Digester Streams in preparation for AMP8 works. Built in the 1930s, the treatment plant spans 55 hectares and serves around 2.1 million people.

 

Mark Pengelly, Group managing director at Kier Infrastructure, says: "We have a long history of delivering projects and services for Thames Water and look forward to continuing our relationship with this project. It is a highly complex and specialised project and the team will be working in a live environment, across multiple locations of the site.



"We will be working with AECOM as design partners and we have selected key Kier and AECOM personnel for their experience and knowledge of STW and complex large-scale civil engineering. They will bring a tried-and-tested approach, having collectively worked together over the past six years, at Deephams STW."



Francis Paonessa, Thames Water’s Capital Delivery Director, adds: "Our investment in Mogden Sewage Treatment Works will be essential in modernising one of our most urban treatment works.

 

"It will play an essential part in our work to reduce the impact on our neighbours, while ensuring Mogden can handle the expected increase in waste from London’s growing population in the future.

 

"This scheme is just part of a wider investment plan to ensure our sites can continue to provide our essential service to millions of customers across London and the Thames Valley."

 

The contract builds on a longstanding partnership between Kier and Thames Water. Kier was recently involved in upgrading the 50-year-old Deephams Waste Water Treatment Works in Edmonton North London which modernised another large treatment facility without expanding the site's footprint or interrupting the daily flow of sewage. Additionally, in 2020, Kier secured a place on Thames Water's £2.6 billion AMP7 Capital Programmes Framework after providing planned and reactive services through the  Infrastructure Alliance - a joint venture between Thames Water, Murphy & Morrison Utility Services JV (Agility) and the Kier Clancy Docwra (KCD) joint venture company.

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