A geophysical survey detected a linear feature at a site in County Durham which turned out to be an adit for a Victorain coal mine.

Phase Site Investigations recently undertook a detailed utility tracing survey of several major roads in Glasgow city centre.

Ground penetrating radar (GPR) was used to locate basements hidden beneath reinforced concrete slabs.

Phase SI carried out a ground penetrating radar (GPR) survey on a scree slope adjacent to a sub-station to determine the depth to bedrock.

Utility tracing survey accurately locates gas pipe and other buried services for Lottery funded upgrade of Park.