The authority has now taken responsibility of the site and is investigating a collapsed historic culvert, about 16ft (5m) below the road surface. A culvert is a tunnel that typically channels ...

This work will require the closure of Hayfield Road, but we will provide full details in advance." Other nearby culverts, ...

Armco structures have previously been designed for projects up to 200 years. The required service life of the structure can be checked prior to designing and supplying the structure.