Am 11.03.2013 13:29, schrieb Richard Welty:
On 3/11/13 7:25 AM, Andreas Labres wrote:
Please keep in mind, there already a rather big list of possible tags:
http://wiki.openstreetmap.org/wiki/DE:Tag:emergency%3Dfire_hydrant
(only in German) and what the OpenFireMap displays (the diameter):
http://openfiremap.org/?zoom=17&lat=48.11435&lon=16.31743
3) water main diameter (not hydrant diameter)
internal hydrant diameter isn't going to play in the US, nor is pressure
in bar, hence the proposal for extending the tagging system.
fire_hydrant:main_diameter is the same as fire_hydrant:diameter - at
least in the current tagging usage and 'mappers meaning'.
fire_hydrant:diameter is used for the _main_ _pipeline_ diameter, where
the hydrant is fed from - as this is indicating the possible value of
the water supply. (In theory the pressure is normalized ... in practice,
well ...)
Sure, this is a bit misleading ... it was developed from a german point
of view regarding the signs and a short-as-possible key ...
The hydrant pipe inner diameter is not tagged yet - afaik.
In Germany the interfaces are standardized anyway - and the
(underground) standpipe diameter may possibly vary (50, 80, 100), as it
is a movable part from the fire brigade.
Regards
Georg
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