Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to the newest version of your browser.

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

Welcome to the Construction News site. As we have relaunched, you will have to sign in once now and agree for us to use cookies, so you won't need to log in each time you visit our site.
Learn more

The tidal range in the Severn estuary is one of the greatest in the world. The currents continually scour the river bed, sweeping away traces of silt clinging to the rock.Add to this extreme activity