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OVERVIEW
Parts of the sea wall at Dovercourt were eroding, due to reduction of the foreshore levels caused by a series of extreme storms hitting the Harwich coastline during the winter of 2013/14. Tendring District Council required a solution to repair the damaged toe of the sea wall revetment to prevent further damage to the seawall, and to protect the revetment against the effects of any future reductions in foreshore levels.
One solution to the problem was to extend the existing revetment construction, but this would have required large volumes of excavation with increased times and cost. It was therefore decided to adopt a minimal excavation of the toe area only, infill with a rock layer and fully grout using IKO Bituminous grout. This resulted in a flexible bituminous bound slab, which would follow the future settlement and scour of the toe, thus preventing undermining of the sea wall revetment.
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