[Tagging] Underground power lines in tunnel

[François Lacombe]

Thanks fly for this answer.

Type=tunnel can suits my needs : let's add all power lines in the
relation with role=through.
Add tubes or not depends on the tunnel design, not on what's inside. I
don't mind.
The trick is to link many power lines to a single tunnel.

However, it would be hard to build something in transmission
refinement with it since type=tunnel proposal isn't voted yet.
Don't we have something more reliable ?

Cheers.

François Lacombe

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com


2013/6/4 fly <lowflight66 at googlemail.com>:
> On 04.06.2013 00:26, François Lacombe wrote:
>> Hi,
>>
>> I'm currently improving draft of power transmission refinement proposal
>> and a question about underground features can't currently find answer.
>> http://wiki.openstreetmap.org/wiki/Proposed_features/Power_transmission_refinement
>>
>> I wonder how we can map power lines underground and infrastructure which
>> can host them simultaneously.
>> The best example is when several power lines are built in a tunnel like
>> on this photo :
>> http://www.rte-france.com/webapp/100ansparis/img/chapitre3/img14.jpg
>>
>> I can create several ways, very close from each other, for all power
>> lines we can see and tag them with tunnel=yes but how will I map the
>> tunnel ?
>> If we only use tunnel=yes on each power line, it's impossible to know if
>> they are in the same tunnel or if there is one dedicated tunnel for each.
>>
>> I think only a relation would solve the problem and it's not a power
>> line dedicated question.
>>
>> Do someone have ever encounter that situation ?
>
> Mmh, type=tunnel is already in use [1] but it is used for the whole
> tunnel, e.g. to combine several tubes and the infrastucture like escape
> ways and air-system.
>
> We could use a tag like tubes= or number_of_tubes= for the relation and
> draw the outline.
>
> fly
>
> --
> [1]
> http://wiki.openstreetmap.org/wiki/Relations/Proposed/Bridges_and_Tunnels
>
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