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News update

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Handover of the Shieldhall tunnel in Glasgow

3 September 2018 - Events - United Kingdom

VINCI Construction Grands Projets, in a joint venture with its British partner Costain, handed over Scotland's longest wastewater tunnel on 30 July 2018.

The infrastructure project, with a diameter of 4.7 metres and a length of 5 kilometres, is part of a programme designed to upgrade the existing wastewater management system of Greater Glasgow. The new sewer system provides an additional storage capacity of 90,000 cu. metres, the equivalent of 36 Olympic swimming pools, reduces the risk of flooding in the region and boosts wastewater treatment flow.

Nearly 100 people worked for two years to complete the project in a dense urban environment. The 180 metre, 1,000 tonne mixshield slurry tunnel boring machine bored under railway tracks that remained in use as well as former coal mines that required special treatment.

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