Underpinning works using the DSV method

Summary

The tender covers the construction of up to 7,700 m³ of structurally effective underpinning bodies using the DSV method. The works comprise 140 bodies of different geometries, with drilling depths of up to 7 m, jet lengths of 1.5–6 m and jet-body diameters of 120–160 cm. In addition, approximately 6,825 m³ of soil must be supplied and installed to create ballast or a working platform, bituminous waterproofing must be removed from the foundations, and unexploded ordnance surveys must be carried out in the work areas. The submission deadline is 2 September 2026. The precise participation and tender compliance requirements must be checked in the tender documents.