Draycote Reservoir in Warwickshire normally receives some of its water intake by pumping it from the River Leam, 10 miles away. However, low rainfall over the past two years has meant that water levels in the Leam have left the usual abstraction point uncovered.
To replace the flow, Severn Trent Water asked Costain to create a new link between the river and reservoir as swiftly as possible.
Simon Roberts, Costain’s Delivery Manager for the current AMP5 Framework, said:
“We worked on a number of drought alleviation schemes for Severn Trent in 2011 but early this year we received this emergency job for Draycote.
“Severn Trent had the kernel of the idea on 11 January and we were involved two days later. We started work on 30 January with an integrated team consisting of Costain, Severn Trent Water and our designers MWH.”
Costain’s work involved connecting to an existing facility that normally pumps to Leamington Spa, then running 1km of temporary plastic pipework to link in to an existing pipeline. The plastic pipework was butt-welded every 12 metres and lies above ground, except for the points at which it goes underground to join the existing pipe and the abstraction station.
Now operational, the new pipe will deliver up to 10 million litres of much-needed water a day to Draycote Reservoir.
Under AMP5 and AMP6 framework contracts, Costain is handling work for Severn Trent until 2020.
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