A64 Bayonne Mousserolles / Briscous – création des bassins multifonctions

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The works involve the removal of temporary sanitation structures and the construction of the necessary accesses for future developments. They include the construction of 12 multifunctional basins intended for the treatment, containment, and attenuation of stormwater. The contract includes the construction of associated hydraulic structures (inlet and outlet works, by-pass, inspection chambers, drainage and weighting devices). The works also include safety, monitoring and operation systems for the basins, as well as arrangements facilitating their maintenance. The basins will be connected to the existing collection network, including creation and adaptation of the necessary networks and elimination of current discharges into the natural environment. The contract also provides for the construction of protective fences and gates. Ancillary works will also be carried out, including hydraulic and environmental compensation basins, access bridges, and jacking works under roadways or standard sections. The entirety of the works includes the equipment, developments, and connections necessary for the proper functioning of the structures. The works involve the removal of temporary…

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