[Tagging] Question about waterway=pressurized

Kyle Hensel K.y.l.e at outlook.co.nz
Tue Sep 14 08:00:15 UTC 2021


> what’s the difference between an inverted siphon and a siphon?
>

An inverted siphon is U-shaped, which means the pressurized waterway is probably below the way it's crossing.

A (non-inverted) siphon is n-shaped so the pressurized waterway is probably in a pipe above the other waterway/highway

________________________________
From: Martin Koppenhoefer <dieterdreist at gmail.com>
Sent: Tuesday, 14 September 2021, 19:38
To: Tag discussion, strategy and related tools
Subject: Re: [Tagging] Question about waterway=pressurized



sent from a phone

> On 14 Sep 2021, at 09:27, Volker Schmidt <voschix at gmail.com> wrote:
>
> I have started using tunnel=culvert, culvert=inverted_siphon for these waterway underpasses. They are frequent here in Northern Italy.


what’s the difference between an inverted siphon and a siphon?

Cheers Martin
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