You can also use public roads for purposes other than just traffic. This usually requires a special use permit.
If you want to place construction site facilities on public areas during a construction project, you must apply for a special use permit in advance.
If you want to clean a facade with a high-pressure cleaner, you must report this.
If you want to green roofs and facades of buildings in Hamburg, you can receive financial support.
The responsible body checks whether the legally prescribed recurring tests have been carried out on a system that requires monitoring.