Agreed there are several levels of prefabrication. Material is completely solved with material=* and no need to specialize it to prefabrication (concrete can be used on both prefabricated and not buildings)
kind of prefabricated=yes would stand for complete prefabricated buildings and other values may precise a particular part. Should it be building:prefabricated or something else? François Le jeu. 27 sept. 2018 à 14:50, Martin Koppenhoefer <dieterdre...@gmail.com> a écrit : > > > sent from a phone > > On 27. Sep 2018, at 14:10, François Lacombe <fl.infosrese...@gmail.com> > wrote: > > Is there an established tag for that? > > > > I am not aware of established tagging, but would like to add that there > are all kind of buildings that can be prefabricated, e.g. „famous“ German > example: > https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/1._WBS_70_Block_%281%29.JPG/1200px-1._WBS_70_Block_%281%29.JPG > > > And there are various levels of prefabrication, e.g. for a concrete > structure you could just have the lower parts of the ceiling in concrete > delivered and then add the formwork around it as well as the rest of the > steel, and pour the concrete to finish (i.e. ceiling is semi prefabricated > and completed on site), or similarly with walls (place a thin “sheet” of > concrete at the sides instead of formwork and fill it up). > You can also have complete walls and ceilings, and you can even have > complete rooms that get delivered and mounted at the site (even including > installations and finishes). > With some material it is common to have parts prefabricated, e.g. steel > and sometimes wood, not just concrete, and other parts like a facade in > metal and glass also consist usually of prefabricated parts (you’re not > gonna cut glass on site typically). > > Using prefabricated parts is standard in today’s building practice, but > not sufficient to call a building prefabricated. > > A simple property like prefabricated=yes does not catch it. We should > define what grade of prefabrication and which part (structure, ceilings, > bath rooms, etc) and most important, which material (concrete, steel, etc.). > > cheers, > Martin > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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