CIS Tunnel
GBG investigates a wide range of structures from the historically significant to small private residences; all requiring expert appraisal when assessing their construction and condition.
Costal Interceptor Sewer tunnel
A CIS (Costal Interceptor Sewer) tunnel had become unstable and caused some subsidence to the roadway above. GBG were instructed to identify areas of failure within the tunnel lining and to identify areas of washout/subsidence around the outside of the pipe itself.
More ProjectsGBG investigates a wide range of structures from historically significant buildings to small private residences.
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