In 2010, the Brittany Region, which has owned the commercial port of Brest since 2007, defined a strategy for the development of new sectors of industry In 2013, it awarded to an engineering consortium a project management contract for land improvements on Brest polder 124,24 ha in area, by 2021. This polder is located at the level of the former Saint-Marc cove which, after the establishment of a surrounding dyke in the 1950s, was filled with the dredging products and, after 2003, with very heterogeneous filler earth. The works required treatment of the polluted filler-earth materials, stabilisation of the hydraulic backfills and marine alluvia by vertical drains, and soil preloading while optimising earth movements.
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