Land Stability and Infrastructure Management

Land Stability and Infrastructure Management

ESP has extensive experience in Land Stability and Infrastructure Management. This includes mine workings and an extensive portfolio of slope stabilisation works has been carried out in the UK, particularly in Wales where a large number of colliery spoil tips and post glacial landslips exist.

Our expertise includes the rapid investigation of the slopes, highlighting the potential hazards, examining the remediation options and overseeing subsequent works.

Land instability occurs for a number of reasons and can vary in its predictability and the effect on proposed or existing developments.

Land stability, or instability, can be as a result of a number of processes including:

  • Mining subsidence – a legacy of historic coal mining, metal or mineral mining including iron ore, brine and building stone extraction;
  • Natural subsidence – as a result of dissolution of soluble rocks, known as karstic terrain in areas with limestone bedrock;
  • Slope stability issues including landslides and cliff or rock slope failure;
  • Movement from fine grained soil (such as the London Clay Formation) prone to shrinkage and swelling with different moisture contents and weak or compressible ground (such as alluvium);
  • Valley cambering can also form gulls and valley bulging.

Project Example: Pantteg Landslide, Ystalyfera

ESP provided a rapid response to the large-scale landslide issues at Pantteg, Ystalyfera in the Swansea Valley to create an accurate hazard and risk assessment based on the most up-to-date methods of landslide and geohazard assessment.

 

 

 

 


Project Example: Wales Air Ambulance site, Dafen

ESP were asked to make a reactive geohazard management visit to the Wales Air Ambulance site in Llanelli, where critical infrastructure is concerned. We implemented an initial assessment to define the Conceptual Ground Model with subsequent stages involving Risk Assessment and Remedial Design.


A selected list of example projects can be found on our Projects and Technical page.

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