Calculation of average height of center of gravity (excluding retaining wall)

Dealing with the authority was really not easy. The authority does not recognize "minor excavations." In the end, the building application was withdrawn and a new one was submitted, which has now been approved. As a way out, the basement was enlarged towards the north.

Sometimes it is somehow a bit contradictory: The floor is now larger than in the rejected plan, but as a result, a full floor became a non-full floor...