Preliminary environmental studies for the Barbé sector of the RD 57 and RD 962

Summary

The Mayenne Departmental Council is procuring preliminary environmental studies and the preparation of regulatory environmental files for the RD 57 and RD 962 roads in the Barbé sector. The firm tranche covers a case-by-case procedure and regulatory files; an optional tranche may cover an environmental impact assessment procedure. If the tranches overlap, the minimum overall service period is 43 months, including a two-month preparatory phase; the deadline for each tranche is set out in the tender documents. Bids must be submitted electronically by 4 November 2026 at 12:00. The contracting authority prefers a jointly and severally liable consortium and prohibits a bidder from submitting multiple bids both as an individual bidder and as a member of one or more consortia. Bidders must provide evidence of comparable service experience and information on workforce levels and the qualifications of responsible personnel.