Restoration works at the Chabottes wastewater treatment plant

Summary

The tender concerns restoration of the primary Densadeg settling tank and the associated upstream physico-chemical treatment at the Chabottes wastewater treatment plant. The aim is to reduce the load on four malfunctioning Biofors filters ahead of the 2026/2027 winter sports season. These urgent works are scheduled to take place from 23 October to 14 December 2026. Funding is provided by ADEME, the State and the department. Offers must be submitted electronically by 12:00 on 19 October 2026 and remain valid for 120 days. Precise qualification, suitability and compliance requirements must be checked in the tender documents.