[Tagging] Drain vs ditch

[François Lacombe]

Some of them can also be designed to be pressurised while canals are all
open flow waterways.
Then waterway=pressurised applies for pipes or tunnels where water flows
with no air.

I doubt a lot about mandatory navigability of canals.
What about waterways intended to feed mills or fountains ?

François

Le ven. 11 janv. 2019 à 22:09, ael <law_ence.dev at ntlworld.com> a écrit :

> On Fri, Jan 11, 2019 at 11:03:29AM -0800, Tod Fitch wrote:
> > Most of what I’d call a drain around here would be large underground
> pipes designed to carry storm water. Empty most of the time except perhaps
> for a trickle of water from various urban/suburban watering overflow. Used
> most of the time by raccoons, possums and rats as away to navigate through
> or shelter in an area without having to worry about being attacked by
> neighborhood dogs, though the larger ones could be attractive for
> adventuresome teenage boys to explore.
>
> Same in UK: I forgot to mention them. The pipes serving domestic houses
> and draining water from roads are all "drains", and by extension also
> for the entrance grills in roads and the like. That includes sewers as
> well. But I guess few of them would be mapped in OSM unless particularly
> large or significant. Back to the point: it would be unnatural to tag
> them as canals! Some might overlap with culverts?
>
> ael
>
>
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