Case Study
Channel Tunnel Rail Link (CTRL250)
Phase 2 of the Channel Tunnel Rail Link program incorporated extensive tunnelling under exis ng infrastructure in Lon- don. The Main Contractor on CTRL250, Mabey Support Systems, subcontracted Testconsult to design, install and monitor an area near Dagenham and Barking in East London. This par cular project focused on the im- pact of two 7.2m diameter tunnels that were to be bored under a sec on of rail- way, R