Open 3 Mar 2026 Architectural and engineering design services - Design of the new wastewater treatment plant Grossschwabhausen Germany Architecture & engineering services Stadtwerke Jena Netze GmbH Seen Compare
Awarded 22 May 2026 Planungsleistungen im Bauwesen - Planung Neubau Kläranlage Großschwabhausen Germany Architecture & engineering services Stadtwerke Jena Netze GmbH Seen €1,197 award value Compare