Underground Surveying - Projects

Subsurface Laser Scan and UAV Photogrammetry Survey of Air Raid Shelter

Geoterra was appointed by M-AR and Bromley Council to carry out a 3D topographical laser scan survey above and below ground, as well as a remote UAV photographic survey of a historic air raid shelter. The air raid shelter had... Read more

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Historic Coal Mine Subsurface Laser Scan Survey

Geoterra was appointed by The Coal Authority to determine the location, size and orientation of an historical coal mine void that had been discovered beneath a main road and its adjacent properties. 

The coal mine had been discovered... Read more

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Dunford Bridge Drainage Culvert Survey

Geoterra was appointed by WSP Consultant Engineers to carry out a 3D topographical survey of a confined space drainage culvert that runs directly underneath the Trans Pennine Way at Dunford Bridge in South Yorkshire.

The survey data was required to assess... Read more

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Subsurface Multibeam Sonar Survey

Port Immingham Submerged Void Survey

Geoterra was appointed by ABP and DFDS to carry out a subsurface multibeam sonar scan survey of a submerged void discovered beneath Berth 11 at Port of Immingham in Lincolnshire. A 3D CAD plan drawing had already been created so... Read more

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Subsurface Laser Scan Survey of Drainage Culverts

Geoterra was appointed by the Environment Agency to carry out a 3D topographical laser subsurface scan survey of a series of drainage culverts running beneath both property and transport links in Skipton, North Yorkshire.

The survey data was required to assess... Read more

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