Unsupported browser

For a better experience, please update your browser to its latest version.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

robbins us crop

Trend for TBM refurbishment grows

Construction of larger diameter tunnels used to call for a new tunnel boring machine (TBM) for each project but a growing number are now being bored using refurbished machines in order to fast track projects.