On two retaining walls, the concrete in the area south of the Mittenbächgalerie exhibits alkaline aggregate reactions (AAR), which is why they need to be replaced.

The present mandate includes the project planning services for the phases of the project up to and including commissioning, as well as the local construction management for the implementation of the two retaining walls

On two retaining walls, the concrete in the area south of the Mittenbächgalerie exhibits alkaline aggregate reactions (AAR), which is why they need to be replaced.

The present mandate includes the project planning services for the phases of the project up to and including commissioning, as well as the local construction management for the implementation of the two retaining walls