We also need this info at work, so I went and added capacity info (and completed start_date): Changeset: 145031807 | OpenStreetMap
capacity is always the grand total, de facto capacity.
If there is no capacity:female, that means it’s an all male prison. I did not add capacity:male.
I added capacity:psychiatry where available. When there was no concrete number, than I did not add a tag. So lack of tag does not mean there is definitely no psychiatric division there.
In Dendermonde, they seem to be still building, while already being open. So I added capacity:planned there.
On some pages they said stuff like “we have space for 100 people, but we actually have 250 people most of the time”. I’ve added the 100 under capacity:theoretically and the 250 under capacity in those cases.
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