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Technical Paper: Surf's up

Ground investigations for a sewer outfall extension in Woolacombe Bay, Devon meant working in the surf zone using a remotely operated CPT vehicle by Rob Gardiner and Alan Miles. This paper was first published in GE’s July 2006 issue.

Surfers and sunbathers are enjoying unspoilt views at Devon’s Woolacombe Bay this summer, thanks to the recent completion by South West Water of a £1.2M sewage outfall extension.

Woolacombe Bay is a noted surfing beach, a site of special scientific interest and an area of outstanding natural beauty, but previously the sewage outfall ended at mean low water springs (MLWS), so it was often visible at low tide.

The 80m extension means the outlet will remain underwater, out of sight, at all states of the tide. It was part of a project to improve not only the capacity of Woolacombe Sewage Pumping Station, but bathing water quality and the appearance of the area. Designed by Jacobs Babtie, it was built by contractor MJ Gleeson.

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