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Beaminster Tunnel ground investigation work due to start

Environmental Scientifics Group was due to start work on a ground investigation of the slopes above the Beaminster Tunnel portal in Dorset as NCE went to press this week in a bid to stabilise the area and allow the structure on the A3066 to be reopened.

The tunnel has been closed to traffic since 7 July when a landslide above the north portal blocked the route and was later discovered to have also killed two people who were travelling through the tunnel at the time of the landslide (NCE, 19 July 2012).

In a statement, Dorset County Council (DCC) said that a series of 25m boreholes were to be drilled from the ridge above the tunnel from 22 August to investigate the potential of using soil nailing techniques to stabilise the area above the portal.

According to DCC, its engineering team, working with Parsons Brinckerhoff, has identified a risk for further landslides to occur and the road cannot be reopened until a solution has been found.

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