Hi everybody, The hydro power waterway proposal has been updated to take care of several useful comments made during the last vote.
Here is a changelog : - Moving from waterway=drain to waterway=canal since a drain is mainly intended to remove superfluous water. A canal carries water from A to B for a particular usage. It can be overground and underground with tunnel=*, as not to break existing underground ways with waterway=canal on them - Introducing mill race concept thanks to Janko Mihelic (mill race = head race + mill + tail race) - Introducing tunnel=headrace, tailrace and canal=headrace, tailrace, spillway - Moving from waterway=spillway to waterway=canal + canal=spillway waterway=pressurised stays in the document currently, I still believe this value is useful and bring consistency for hydrology mapping, as a continuation of rivers/stream inside tunnels and pipelines. I've updated pictures : https://wiki.openstreetmap.org/wiki/File:Waterway_flows.png https://wiki.openstreetmap.org/wiki/File:Waterway_manmade_structures.png The second one shows how various are waterways and why a waterway=* value is useful to get all of them without leak. Depending on comments, voting may restart shortly. All the best François
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