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Tarmac and Morgan Sindall claim success for new trench technology

Tarmac has successfully tested a new technology that reduces waste when trenches are dug for utilities.

TrenchFSMR technology creates a flowable structural material for reinstatement (FSMR) by using all the material that comes from excavations. 

Tarmac said a three-month trial with contractor Morgan Sindall and National Grid in Worcestershire has successfully demonstrated that the system can also eradicate compaction problems. 

It removes the need to send waste to landfill, can cut reinstatement costs by up to 30 per cent and needs only two people to operate it, Tarmac said.

Using self-compacting technology, it avoids the use of a wacker plate and improves occupational health by eliminating the risk of hand-arm-vibration syndrome.

TrenchFSMR was developed by Tarmac account manager Hannah Bettison.

National business development manager Geoff Fawkes said: “Not only does this technology reduce site labour and improve cost-efficiency, it also makes the reinstatement process much quicker, helping to minimise any disruption to the public.”

Morgan Sindall’s head of supply chain utility services Les Turner said the Worcestershire trials had led to the technique’s use around the midlands and “initial reaction has been highly supportive and enthusiastic”.     


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