Civil Engineering - Projects

3D Laser Scan Survey of Sandstone Rockface Adjacent to Railway Line

Geoterra was appointed by Murphy Group and Coffey Geotechnics to conduct an extensive 3D laser scan survey of a sandstone rock face and surrounding area. The survey area spanned approximately 100 meters along the primary railway line from Manchester to... Read more

Underground 3D laser scan survey of second sinkhole and bell pit on playing field

In February 2020, Geoterra surveyed a sinkhole and bell pit that had appeared on Sappers Field in Wooburn Green. This sinkhole and bell pit was backfilled and remediated by Soil Engineering in 2022.

Prior to being a playing field, the... Read more

Aerial photogrammetry survey of 21 underground drainage adits

Folkestone Warren is an area of land prone to landslides. In December 1915, a severe landslip at Folkestone Warren, known as The Great Fall, resulted in train derailments and continued rail movement on the Dover to London South Eastern... Read more

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

Subsurface Bathymetric Sonar Survey of the River Irwell

Geoterra was appointed by clients Arcadis and Peel Ports to carry out a subsurface bathymetric sonar scan survey on the River Irwell at Clippers Quay in Salford.

The survey was required to help the clients to ascertain the riverbed levels and... Read more

UAV LiDAR Survey of a Railway Cutting on the Chiltern Rail Line

Geoterra was appointed by Coffey Geotechnics, The Murphy Group and Network Rail to complete a UAV aerial survey of a railway cutting on the Chiltern line in Harbury, Warwickshire. They required both low level LiDAR survey and a HD ortho... Read more