On 13/1/23 03:02, António Madeira wrote:
The main issue is not closed water tanks. That can be a default in OSM.
The issue here is how to inform that a storage_tank is open.
Mind you that there is an infinitude of storage tanks types, but for
firefighting, those are almost exclusively made in concrete and are
open for the reasons I stated before.
They may be concrete where you are, where I am they are usually
corrugated steel. Plastic ones also exist but they are smaller and in a
fire they melt to the water line. Large concrete tanks exist here too,
but they too are covered.
In my opinion, the cover=* key is the most adequate in these
situations, because there's no way to define what the roof/coverage of
these storage tanks would be if they had one.
Stating that a an emergency storage tank is covered=no informs that it
can be accessible from above.
If, for example, we state that it has a roof=no, you're defining a
specific kind of covering, when it has none and you have no way to
know if that would be a roof, a tarp, a shed, etc.
All the tanks on the OSM wijki page for man_made=storage_tank are
covered ..
https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dstorage_tank
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