Together with nsp landschaftsarchitekten stadtplaner and pbs Ingenieure, 4a Architekten have received recognition in the two-phase urban planning competition "Generalzolldirektion (GZD) der Bundesfinanzverwaltung (BWZ) in Sigmaringen". The urban design for the new building of an education and scientific centre is based on a three-part campus structure with a strongly heterogeneous development of the individual sections.