A Very Limited Access Job…

by | Jul 2, 2021

We’ve written before about both restricted access and limited access drilling, their differences and their difficulties. We recently undertook a particularly challenging (and equally rewarding) rail infrastructure job in Teignmouth, on Devon’s south coastline. From difficult working conditions to awkward working hours, this is a job that shows the dedication of our drillers, and then some. Find out the exact details of the job below.

The Background

Teignmouth is situated roughly halfway between Exmouth and Torquay. As a coastal town on England’s southern shores, Teignmouth finds itself particularly prone to coastal erosion, weathering and cliff collapse. With extreme weather events seemingly on the rise, coastal railway networks are being put increasingly under pressure from the elements. You may remember from a few years ago, another Devonian town, Dawlish (which, incidentally, is very close to Teignmouth, as it happens) having large parts of its railway destroyed and simply washed away by a serious storm event. Fortunately – albeit five years later – the Dawlish line is back to full functioning again, with a relatively new sea wall effectively doing its job. Sea walls aren’t the only way to protect coastal railway lines, however. Many coastal engineers are looking to more protected, sheltered alternatives, for instance. Rock tunnels provide one such option, and that’s what’s been planned for the Teignmouth area.


The Job

This recent job involved initial geotechnical drilling works in preparation for a planned new rock tunnel to be built, which will enable trains to continue passing safely through part of the Teignmouth area. The Borehole team were given, on average, only two hours every night to both set up and drill, before then dropping the rig at the end of the night to make sure the site is safe. The sonic drilling head we utilised can only work using fresh water, and not sea water. With fresh water only able to be brought in once a week, though, this further increased the complexity of the job at hand.


Our Other Services

Alongside our limited access jobs, we offer a whole host of other geotechnical and investigative services. These include:

  • Sonic Drilling
  • Cable Percussion Drilling
  • Window (and Windowless) Sampling
  • Restricted Access Drilling
  • Casing and Rig Hire
  • Calibrating and Testing
  • Handheld/Modular
  • Pit Digging
  • Water Well Drilling
  • Soakaways
  • Metal Engineering


Contact Us

Limited access jobs may be amongst the more challenging out there, but they’re a mark of just how dedicated we are to our craft, here at Borehole Solutions. So, if you’d like to find out more about our limited access drilling services, then get in touch! Contact us today on 01733 200 501 or by emailing us at info@boreholesolutions.com. Alternatively, you can fill out one of our online enquiry forms. However you wish to get in touch, we look forward to hearing from you! You can also check out our various social media channels, where we regularly post images, videos and other content from recent jobs we’ve carried out.