Mission de maitrise d’œuvre relative a la creation d’un ouvrage de protection pour la mise en securite du secteur de la pege a saint-hilaire-de-riez

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The mission aims to update the studies of the reinforcement project for the Pège sector in the municipality of Saint-Hilaire-de-Riez, as well as to carry out the regulatory studies and project management services necessary for its implementation. The project is based on previously conducted studies, notably the PRO file developed in 2021, validating the principle of a retro-littoral dike located behind the Pège dune. The operation aims to ensure the protection of people, property, and activities located behind the dune ridge against the risk of marine submersion. - Firm tranche: PRO mission element (basic mission according to annex 20) Complete Project Studies relating to the updating of the PRO file for the reinforcement of the Pège structure, incorporating regulatory, technical, and land-related changes that have occurred since the project validation, without questioning its location, land ownership, or general design principles. This update will notably include the integration and sizing of a rock armor to strengthen the robustness of the structure and allow its classification as a dike system. - Optional tranche 1: Regulatory studies: preparation of the environmental…

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