Cross-border hydrological and hydraulic study of the Aire and Drize watersheds

Summary

The tender concerns a cross-border hydrological and hydraulic study of the Aire and Drize watersheds in French and Swiss territory. The work is intended to harmonise knowledge and assess runoff and watercourse flooding phenomena, including the Drize, Ruisseau des Marais and Aire catchments and their tributaries. The planned contract starts on 2 November 2026 and lasts 24 months. Tenders must be submitted electronically by 29 September 2026 at 12:00. Variants are not permitted, and electronic invoicing is required. The award criteria are technical quality (55%), environmental characteristics of the tender (5%) and price (40%).