Infill work on a Victorian tunnel completed after 3D scans determined the necessary volume
Holes were drilled into Clifton Hall Tunnel firstly to establish how large the voids were and then to pump in a mixture of fly ash and concrete to fill the voids | Credits: National Highways
AmcoGiffen has successfully finished a three-month programme at the Victorian Clifton Hall Tunnel in Pendlebury, Greater Manchester. The tunnel gained notoriety in the 1950s when the collapse of a construction...
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