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NEWS - London Underground Cares for Tubes

London Underground is steeped in history and its tunnel system map hangs in the 'Tate' gallery, but they are keeping up with the times.

Metronet (TfL) was engaged to assess tunnel structures.  Measureing wall thickenss and searching for 'voids' behind th structure is where Rock Solid Group has been involved as a subject matter expert.

Latest developments in the application of the Wave Impedence Probe (WIP) has allowed scanning to evaluate the thickness of both brick and concrete tunnel structures.