Articles & Case Studies

New Pipe for Black Lane Resilience Scheme

Posted: Wednesday 11th December 2013

PE pipe specialist, GPS PE Pipe Systems, is helping to ensure continuity of water supply to the Blandford area of Dorset with the supply of a pipeline that will link Snowsdon Reservoir to Black Lane water treatment works then on to the Blandford supply main.

The scheme forms part of Wessex Water’s Water Supply Grid initiative, the company’s largest ever resilience project and one that will see Wessex Water carry out 50 individual schemes across Somerset, Wiltshire and Dorset during an eight-year rolling programme. As Wessex Water’s framework PE pipe supplier, GPS has supplied more than 26km of pipe for Water Supply Grid projects so far, including the 2,300m of pipe supplied for the Black Lane scheme.

Delivered by Trant Construction, the Black Lane scheme aims to address any risk of future supply shortfalls to 9,995 local properties which result from increased demand and potential low pressure due to the size of the existing main. GPS has provided a mix of pipe sizes ranging from 180mm to 450mm diameter in blue PE100 SDR17 pipe, along with special high performance profiled gaskets for critical road crossings. Specialist contractor, Yates Trenchless Solutions, carried out directional drilling for the road crossings, installing two 355mm water mains under the A354 at Blandford and a 180mm SDR11 telemetry duct, along a 120m stretch of pipeline at 3m centres.

Martin Wood, Wessex Water’s Design Co-ordinator on the Water Supply Grid project, comments: “By working with GPS as the pipe supplier we were able to tailor the size of pipe to the required flow rate at different sections of the route. The result is a scheme that will minimise the risk of low pressures within Blandford.”

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