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At the Hastings Bathing Waters project, in order to reduce the frequency of sewage spills to the sea, a large storage volume needed to be created to store the combined flows until they could be treated and subsequently discharged.

Our tunnel lining design incorporated a self-cleansing profile into the precast concrete segments, thereby substantially reducing the second stage concreting works.

Instead of a major concreting operation that would have taken in excess of six months, the tunnel was completed by slipforming in a few days.