Entries by John Comins

Spraying of Tunnel Waterproof Membrane

Published 13 August 2018

At the Bank Station Capacity Upgrade project, we are using the Mapelastic TU system to waterproof


Radial Joint Connection in SCL Tunnelling

Published 16 May 2018

When driving large SCL tunnels in London Clay where the face is stepped it is important to ensure a


Tunnel Information Management

Published 23 April 2018

Tunnelling operations require a large number of quality check sheets to be prepared and signed off


Bluetooth Communications for SCL Tunnelling

Published 23 April 2018

When spraying concrete on a freshly excavated section of tunnel, noise produced from the compressed


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