Pre-operational study for the restoration and river development of three branches of the Lys

Summary

The procurement concerns a pre-operational study for the restoration and river development of three branches of the Lys: the Erquinghem-Lys, Houplines and Balokken branches. The work includes diagnosing existing conditions and issues, developing development scenarios, and assessing the technical, legal and financial feasibility of preferred options. The main stage also includes supplementary work on ecological data; an optional stage may cover communications support. The contract lasts 42 months, and bids must be submitted electronically by 12:00 noon on 3 November 2026. Bidders must provide information on turnover and services delivered during the last three years, as well as details of staffing, tools, materials and technical equipment. The award criteria are set out in the tender documents.