Photo 41 (Return)

Gabion mattresses protecting the crest of Chesil beach at Chiswell, 1994. Constructed in 1986 the mattresses are designed to maintain crest stability during potential overtopping and overwashing events. Interceptor drains have also been installed within the beach to reduce percolation through the beach. The vulnerability of lower Chiswell to overwashing and flooding is evident because the town lies close to mean sea-level and well below the beach crest.