This framework agreement concerns the carrying out of hydraulic modelling as part of the application of the regulation of the Coastal Risk Prevention Plan (PPRL) approved in July 2022. In this context, Article 4.3 "Common provisions" of the Regulation specifies that where the petitioner is unable to leave 40% of the project's flood surface for the free flow of water, a hydraulic study is necessary to demonstrate that the risk has not been aggravated

The purpose of this framework agreement is to carry out hydraulic modelling as part of the application of the regulation of the Coastal Risk Prevention Plan. Indeed, the regulation specifies that backfill projects in flood-prone areas must be the subject of a hydraulic study in order to demonstrate that the risk on existing issues has not been aggravated