River Case Study: A36 Southington Farm

by Jake Dew on July 27, 2012

Project type:  Erosion Control
Location:  Stapleford, Salisbury, Wiltshire
Length:  55m of geotextile revetment
River:  Wylye SSSI
Client:  Balfour Beatty, Mott MacDonald, Highways Agency
Installation date:  October 2011

Project Brief

This project is located on the River Wylye adjacent to the A36 west-bound carriageway.  River bank erosion was threatening the stability of the highway.

Cain Bio-Engineering Ltd designed and constructed a geotextile structure to re-claim and stabilise the entire length of affected left bank downstream of the bridge.

Winner of Chartered Institution of Highways and Transportation Award for Sustainability 2012

“An impressive and clever use of both innovative and sustainable materials and methods to deliver the repair with great sensitivity to both the environmental and engineering needs of the area, resulting in a project that delivers its objectives without overengineering.

The scheme gives consideration to traffic control and reduces air pollution, whilst the team under took a thorough consultation and dialogue process to ensure the project adhered to the sustainability principles of reduce, reuse and recycle.”

Judge’s Comments

“The company is highly experienced in dealing with riverbank erosion. The project was truly sustainable in the full meaning of the word, producing a negligible amount of waste, facilitating bio-diversity and delivering greater value for money for our client”

John Maddison,  geotechnical engineer, Balfour Beatty Mott MacDonald

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