France – Engineering studies – RD735- Commune de RIVEDOUX- Surveillance acoustique des câbles de précontrainte du Pont de Ré

Public contract concluded for a duration of 4 years and 2 months from the date set by order of service. The service consists of continuing the acoustic monitoring of the external prestressing cables of the viaducts of the Île de Ré bridge, from the existing installation, as well as ensuring the maintenance of the associated acoustic system. The pre-existing device was installed at the end of 2018 in viaducts 1 and 2 and then in 2023 in viaducts 3 to 6 by the company Sixense‑Monitoring.