Redevelopment of Aalst’s Grote Markt: sewerage, roadworks and public-realm improvements

Summary

The tender covers the redevelopment of Aalst’s Grote Markt and adjoining streets. The works include removing existing road surfaces and sewer infrastructure, earthworks and foundation works, installing separate wastewater and stormwater sewer systems, and paving the square and streets with natural stone. The project also includes planting 17 trees, constructing tree pits, installing street furniture and providing a heating and passive cooling system for the belfry and the old town hall; the Dirk Martens statue will be relocated. The planned works duration is 628 days. Bidders must hold the required recognition and registration for category C road construction works, class 7. Price is the sole award criterion. Bids must be submitted electronically by 19 October 2026 at 09:00; they must remain valid for 180 days, and variants are not allowed.