Soil remediation at the Kan Palen en Touwen sites (Hofwijk Noord)

Summary

The tender concerns large-scale soil remediation in Hofwijk Noord by one contractor. The works include demolishing remaining foundations, cleaning the site, installing sheet-pile walls, applying safety measures, excavating and removing contaminated soil, relocating soil to be retained, installing a clean topsoil layer, and dismantling the groundwater treatment plant. The estimated quantities are approximately 20,000 m² of site cleaning, 450 linear metres of temporary sheet-pile wall, 25,000 m³ of contaminated soil, and 45,000 m³ of clean soil to be supplied and installed. The planned start is 25 November 2026 and completion is 1 October 2027. The tender submission deadline is 14 October 2026 at 12:00. Price is the only award criterion, and the contract will be awarded to the lowest-priced realistic tender that meets the requirements. Participation requires the specified tender and qualification documents, references, and demonstrable experience with hazardous contamination, large-scale contaminated soil works and complex urban environments. Contract performance includes clean and emission-free construction requirements and a social return obligation of 0.5%.