Rehabilitation works for the Castaing and La Sauque 1 boreholes

Summary

The tender concerns the rehabilitation of the Castaing and La Sauque 1 boreholes in Gironde, France. It is divided into two separately awarded lots: internal relining of the Castaing borehole pumping chamber and regeneration of the production capacity of the La Sauque 1 borehole. The works include all related operations and the provision of the necessary technical means and equipment. The contract is expected to last six months, with payment based on lump-sum prices. Tenders must be submitted by 30 September 2026 at 14:00. A group site visit is planned for the afternoon of 17 September; interested candidates must ask a question by 14 September to receive the arrangements, and access requires the prescribed personal protective equipment.