The subject of the overall construction project is the construction of a new emergency response centre (GAZ) for the Ennepe-Ruhr district. In the present case, the civil engineering and drainage works as well as the erection of retaining walls are awarded in one lot.

civil engineering and drainage works, as well as the erection of retaining walls; especially:

- Special construction site equipment;

- earthworks;

- Wasserhaltungsarbeiten;

- erection of supporting structure (retaining walls);

- Entwässerungsarbeiten.