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

Type of work: 3D Laser Scan Survey, Civil Engineering, Laser Scanning, Mining and Minerals, Subsurface Laser Scanning, Underground Surveying

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

Type of work: Civil Engineering, Culvert Survey, Underground Surveying

UAV survey of listed building, Winnington Hall

Winnington Hall is a former country house in Winnington, now a suburb of Northwich, Cheshire, England. It is recorded in the National Heritage List for England as a designated Grade I listed building. The building is in effect two houses joined together, an older modest timber-framed house, and a newer, more elegant,... Read more

Type of work: Building Survey, UAV Aerial Surveying

UAV photogrammetry survey of St John’s Church

Geoterra was invited by St John’s Church Parish Council to carry out a UAV photogrammetry survey of the historic sandstone church. It was built in 1873, with the tower subsequently added in 1887 and a new modern extension completed in... Read more

Type of work: Building Survey, UAV Aerial Surveying

Subsurface laser scan survey of sinkhole in playing field

Geoterra was appointed by Wooburn & Bourne End Parish Council to carry out a 3D subsurface laser scan and video survey of a recently discovered sinkhole in a playing field.

A 3D laser surface survey scan was also required of the... Read more

Type of work: 3D Laser Scan Survey, Land Survey, Laser Scanning, Subsurface Laser Scanning

Tylorstown Landslide UAV LiDAR & Photogrammetry Survey

Geoterra was appointed by The Coal Authority, Capita and Rhondda Cyon Taf Council to carry out a UAV survey using both low-level LiDAR techniques and photogrammetry on a landslide that occurred on a historic legacy coal tip, together with adjacent... Read more

Type of work: Civil Engineering, Lidar Survey, UAV Aerial Surveying