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Trenchless techniques key to Murphy pipeline project win

erskine bridge south

J Murphy and sons has said that it has been awarded a £9M contract by SGM to undertake a pipeline replacement project in Scotland.

The Glasgow Circular high pressure gas main currently crosses the River Clyde suspended from the Erskine Bridge (pictured) at Old Kirkpatrick and the contract will see the pipeline diverted to an alternate crossing.

Horizontal directional drilling (HDD) and micro tunnelling will be used to overcome challenges on the project to install 1.9km of new pipeline beneath the river.

Ground conditions mean that the solution is not straightforward with abrasive bedrock and steep angles for the pipeline route dictated by the river bank geometry and land take issues.

In addition to crossing beneath the river, the new pipeline will also pass beneath a canal, a railway and the carriageway of the A82.

Work is expected to start in mid-February and is expected to be completed by the end of the year.

“This is an excellent achievement by both our work winning and operations’ team,” said Murphy CEO John Murphy. “We’ve been supported greatly by our in-house engineering team who’ve ‘better engineered’ solutions to tough challenges throughout the tender process.”

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