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The objective is to restore, according to the initial forms, with current technologies and materials, the original works which were destroyed over time. The planned work consists of the construction of a breakwater to protect against swell and a collision harbour, prefabricated caissons towed floating and beached on site. The work operation in the form of a design – construction contract (competitive dialogue procedure) concerns both the establishment of studies and the execution of the protection works at Fort Boyard.
Hydraulic design and civil engineering of the “spur” and “collision harbour” weight structures brought in by flotation.
Missions and services carried out by BRLI, integrated project manager of the design and construction group led by the works company ETPO (with subcontractors: Builders / University of Gant / FondOuest / Ship ST and co-contractor: Architecturepatrimony)
