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Monday, 12 July 2021 09:48

South East Water completes £22m Keleher water treatment works expansion

South East Water has completed a vital £22 million water treatment works upgrade to protect future tap water supplies to tens of thousands of customers across Berkshire, Hampshire and Surrey.

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The water company has installed a second water treatment works at its Keleher Water Treatment Works site. The multi-million-pound expansion, which works in tandem with the company’s existing treatment station, was two-and-a-half years in the planning and took four years to build all while keeping the existing treatment works operating.

Desmond Brown, South East Water’s Head of Engineering, said:

“I’m delighted to reach this significant milestone.

“This project is the company’s largest single investment of the last decade and will help us to ensure we can continue supplying top-quality drinking water to customers in Berkshire and Hampshire for decades to come.”

Contractors started clearing the site in June 2018 - this involved the removal of 25,000 cubic metres of earthworks before the construction phase could begin. Pre-cast concrete panels were then shipped across from Holland and lifted into place before thousands of metres of cables and pipework were installed. The works included the installation of new tanks and filter structures.

Brian Steventon, Delivery Manager, added:

“The innovative installation methods used allowed us to save valuable time when constructing the new treatment works.

“Of course, the speed of the project was hampered by the unforeseen COVID-19 outbreak but we have managed to safely work through the virus and deliver this project.”

Forming part of the company’s £424 million investment programme between 2015 and 2020, the extension, the company's largest ever single investment at the Keleher Water Treatment Works, will secure water supplies for current and future customers across Berkshire, Surrey and Hampshire.

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