Structural Soils is a Railway Industry Supplier Qualification Scheme (RISQS) five-star audited supplier

We have experience in rail covering high-speed, interurban and commuter services, along with light rail, tram and heritage lines. We bring the knowledge and skills required to operate successfully in a highly regulated and safety-conscious industry, providing high-quality, cost-effective ground investigations. Working with our sentinel coordinator, we can provide a large variety of ground investigation works to the rail sector undertaken by our staff with Network Rail Sentinel Personal Track Safety (PTS) competency certificates.

Get in touch

Our main service offerings

We provide a comprehensive ground investigation service to the rail sector using dedicated staff and equipment unique to this working environment. We offer alternate solutions tailored to meet your particular project requirements, on projects of all scales. We have modified our rigs for using on the rail network. Adaptations include lightweight detachable masts, rigs set on self-propelled trolleys, certified lifting points for road–rail vehicle (RRV) transport and detachable basket units for use directly from an RRV boom for rapid deployment or on slopes.

Our main investigation techniques include:

  • concrete coring
  • auto-ballast sampling
  • window sampling and dynamic probing
  • cable percussive drilling
  • rotary coring
  • cone penetration testing
  • in situ testing, including plate bearing testing, lightweight deflectometer, California bearing ratio and nuclear density.

Our work

Explore services

RSK collage one
RSK Group Footer - SS collage 2
RSK collage three
RSK Group Footer - collage 4 - SS
RSK collage five
RSK Group Footer - SS collage 6

Structural Soils is part of the RSK group of companies

The RSK group is a leading integrated environmental, engineering and technical services business offering bespoke end-to-end solutions to a variety of sectors. Headquartered in the UK but with an established presence throughout Europe, Africa, the Middle East, Asia and Australia, RSK helps organisations around the world achieve their business aspirations in a sustainable and efficient manner.