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September 2019

Keeping the Nice Sea Outfall Straight and True

The construction of a new sewage tunnel in Nice, France required a sea outfall to be installed using a tunnelling procedure. Using microtunnelling the sea outfall was designed as a 482 m long installation running along a straight route, holing out on the seabed some 450 m from the shoreline.

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November 2018

A First for VMT on a Robbins TBM

The Ohio Canal Interceptor Tunnel (OCIT) is the largest project being undertaken on the ‘Akron Waterways Renewed!’ programme. The project is a joint venture between Illinois-based Kenny Construction Co. and Tokyo-based Obayashi Corp. which comprises boring a tunnel of 27 ft (8.23 m) internal diameter and 30.38 ft (9.26 m) external diameter over a length of 6,207 ft (1,892 m).

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