Design services for reconstruction of the primary pumping station and reinforcement of wastewater transfer in Blois

Summary

The tender concerns design and project management services for reconstructing the primary pumping station serving the Grands Champs wastewater treatment plant in Blois and strengthening wastewater transfer to the plant. The contract is divided into three phases: the firm phase covers design services and tasks MC 1–5; optional phases cover a BIM process and preparation of an environmental impact assessment file. This is a negotiated procedure: candidates are selected first, followed by an initial tender and negotiations, and then a final tender. Between three and five candidates will be shortlisted for the first phase. A joint tender must have a lead member that is jointly liable. Tenders must be submitted electronically by 12:00 on 13 November 2026. Evaluation considers the quality and relevance of references (50%), technical capacity (20%), and skills, experience and qualifications (30%).