Hi Viking,
here is one for Belgium. It's on my photo website and I release it
hereby in Public Domain, feel free to download it and upload it to the
wiki.
https://xian.smugmug.com/OSM/OSM-2017/2017-01-01-Dikkelvenne/i-5MQMcZ3/A
On Thu, Jan 31, 2019 at 7:27 PM Viking wrote:
>
> I've fixed fire_hy
I've fixed fire_hydrant:diameter legend on wiki page.
> If you ever need pictures of those signs, please contact me, I have plenty of
> them, but I have to look them up.
Marc, and anyone that has pictures of these signs, can you give them to us, to
insert them on wiki page?
Thank you,
Alberto
Sorry for multiple emails...
Anyway, the situation is this:
1) The water main diameter going along the street and (among other things) feed
hydrants => fire_hydrant:diameter, according to the original meaning of this
tag. It is generally acquired from signboards.
2) The water connecting pipe
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It should be said that internal diameter physically change over time and
operational status of pipes.
Nominal diameter is theoretical value that is expressed in precise pressure
and temperature conditions and true at anytime.
It should be used on OSM since we prefer static data and +1 with Martin
Am Fr., 25. Jan. 2019 um 10:55 Uhr schrieb Marc Gemis :
> Perhaps it's my fault, I just found
>
> DN = Diameter Nominal. The term Diameter Nominal refers to the
> internaldiameter of a pipe.
it refers to the nominal diameter, which corrisponds roughly to the
internal diameter, but not exactly.
Perhaps it's my fault, I just found
DN = Diameter Nominal. The term Diameter Nominal refers to the
internaldiameter of a pipe. Together with the nominal pressure rating
and the materials class, all dimensions of a piping line, e. g. flange
dimensions, are defined by indicating the nominal diameter
Hi Marc
Le ven. 25 janv. 2019 à 09:07, Marc Gemis a écrit :
> In Belgium it is the inner diameter of the water main. Lowest value
> I've seen is 50, highest 400 or so.
>
Are you sure it's the inner diameter instead of the nominal diameter?
They're not always equals
ISO 6708 defines the nominal
In Belgium it is the inner diameter of the water main. Lowest value
I've seen is 50, highest 400 or so.
It's nicely explained on
http://brandweerbrasschaat.be/site/content/hydranten (in Dutch) with
pictures of the signs. The small ref number in the upper right corner
is not always there.
If you eve
Hi Viking,
Good question, here is the situation in many French places.
As Paul mentioned for British hydrants, it is now mandatory to put signs
next to hydrants in French also.
The roll out of such began in Paris :
https://twitter.com/InfosReseaux/status/1061630374328131585
The displayed diameter
On Thu, 24 Jan 2019 at 18:04, Viking wrote:
> Hello,
> as pointed out here [1], we need to clarify the meaning of
> fire_hydrant:diameter=*.
>
[...]
> Which diameter is instead reported on the signboard in other countries?
In the UK, the yellow "H" sign indicates two numbers. Upper number is
Hello,
as pointed out here [1], we need to clarify the meaning of
fire_hydrant:diameter=*.
We need to know which was the original meaning of this tag, because we probably
misunderstood it when we rewrote fire hydrant page.
In Italy fire hydrant signboard doesn't report any diameter: the only dia
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