Construction pit excavation, soil replacement and geothermal probes

Summary

The tender concerns excavation of the construction pit, necessary ground-improvement works and installation of geothermal probes for the extension of the Bremen State Archives. The works also include, among other things, maintaining the construction site and complying with safety measures. The tender must be submitted electronically in German by 2 October 2026 at 10:00. The contract is not divided into lots, alternative tenders are not permitted, and price is the only award criterion. The bidder must provide, among other things, a DVGW W120-2 certificate or the RAL GZ 969 quality mark, a suitability declaration, experience with comparable works and the required sanctions declaration.