It was just about cleaning the house, mainly the first floor, and put the garbage into the container we had in the garden for 4 weeks.
From something like this quite everywhere:
The way down on our beautiful chute…
Till the first floor looks more like this…
And the container like that:
And even fuller. Within a few day we got our 20 m3 completely full. And now the KoWi looks sooo good 🙂