Design of water-management improvements and fish migration measures for the Zuunbeek and Vogelzangbeek

Summary

The tender seeks design services for water-management improvements and measures to enable free fish migration in the Zuunbeek and Vogelzangbeek areas of Sint-Pieters-Leeuw. The work includes preparing a conceptual design guide for all ten subareas, preliminary and final designs, environmental permit applications with supporting studies where needed, and the documentation required to implement the works. The designer will also advise the contracting authority during on-site implementation, help plan investigation programmes and assess their results, and review proposed variations; the investigations themselves will be carried out by a third party. Bids will be evaluated on price (50%), the proposed approach (30%), and the project team’s capabilities and added value (20%). Bids must be submitted electronically by 4 November 2026 at 10:00 and remain valid for 300 days. The precise qualification and exclusion requirements must be checked in the tender documents.