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Atkins to design Wessex Water’s largest ever trunk mains grid

Atkins has been appointed to Wessex Water’s largest ever new mains project, the Water Supply Grid, as well as a number of the water company’s workstream framework agreements for the AMP5 investment period.

The Water Supply Grid will be built over an eight year period with an estimated £75M expenditure expected in the first five years of the scheme.

It will involve the construction of 100km of trunk mains to improve security of water supply to customers across Wessex Water’s operating area and protect against supply disruption.

The project will include pipelines, reservoirs and the construction and refurbishment of more than 20 pumping stations.

Atkins is designer for the grid and will work with Wessex Water and its construction partners to address environmental issues and develop design solutions.

“The Water Supply Grid will give customers greater protection against the risk of major disruption.”

Jim Hale , Atkins

A Wessex Water spokesman said the schedule for construction is still under discussion. “We haven’t got the timetable in place yet,” he said. “It’s a huge project that we’re going to be undertaking in this AMP period and into the next.”

Atkins is also designer for one of Wessex Water’s two Networks workstreams. The workstream, covering clean and wastewater pipelines, includes new and replacement water mains and sewer upgrades to reduce flood risk and pollution incidents.

It will also provide first-time mains sewerage to new developments as well as to rural communities previously off network.

Atkins client delivery director Jim Hale said: “The Water Supply Grid will give customers greater protection against the risk of major disruption should there be a pipeline failure or low river flows, particularly during the UK’s long, dry summer months.

“Atkins is working with Wessex Water and its construction partners to devise high level outline designs in these early concept stages and will take these through to construction.”

Wessex Water general manager for engineering and construction services Stephen Parrett said: “We are looking to Atkins and our other partners to provide innovative, cost effective solutions.”

Readers' comments (1)

  • RFP

    The water grid will certainly help to protect the districution area from failing to supply because of mains/SR's being taken out of service for planned maintenance or unforeseen mains failure because of the ability able to cover supply from back mains/SR's. I cannot see how it will have much impact during drought or dry river courses though. An expensive solution to creating supply back-up but much welcome work.

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