Subsurface Laser Scan and Multi-beam Sonar Survey of Former Historical Coal Mine Shaft

Geoterra was contracted by The Coal Authority to survey a partially submerged coal mine shaft in the UK. The survey aimed to assess the structural integrity of the shaft, which had partially collapsed and was filling with water after mine... Read more

Type of work: 3D Laser Scan Survey, Civil Engineering, Land Survey, Mining and Minerals, Sonar Surveys -Multi Beam, Subsurface Laser Scanning, Underground Surveying

Sonar survey of a water-filled coal mine roadway beneath railway station

A new railway station was due to be constructed in Willenhall, Staffordshire on the Wolverhampton to Walsall mainline.

Historic mine plans indicated that a coal mine roadway was situated directly beneath where the proposed new railway station was to be built.... Read more

Type of work: 3D Laser Scan Survey, Civil Engineering, Land Survey, Mining and Minerals, Rail, Sonar Surveys -Multi Beam, Underground Surveying

Subsurface Laser Scan Survey of Historic Lead Mine Shaft

Geoinvestigate appointed Geoterra to carry out a 3D subsurface laser scan and HD video survey of a historic lead mine shaft. The mine potentially dated back to the 1700s when the Talargoch mine was extracting lead ore. The lead mine... Read more

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

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

Aerial LiDAR and Photogrammetry Survey of Witton Landfill

Geoterra was appointed by Coopers and Cheshire West & Cheshire Council to carry out a UAV survey using photogrammetry and low-level LiDAR techniques on a former refuse and landfill site adjacent to the River Weaver in Carey Park, Northwich.

The survey... Read more

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

Lang Loan Limestone Voids

Geoterra was appointed by Van Elle Ground Engineers to carry out a 3D subsurface laser scan survey of a historic limestone mine discovered beneath a construction site earmarked for new homes in Straiton, Edinburgh.

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

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