Hello folks, i'm a bit confused about how to map soft story buildings. The Wikipedia definition https://en.wikipedia.org/wiki/Soft_story_building is
soft story building is a multi-story building in which one or more floors have windows, wide doors, large unobstructed commercial spaces, or other openings in places where a shear wall would normally be required for stability as a matter of earthquake engineering design. A few years ago, there was an effort (promoted by World Bank, it seems) to map buildings in OSM for Katmandu where they used key buidling:soft_storey=yes/no. They never proposed a formal tag. The results of that effort is a bit confusing and I'm not sure it's the best approach. See https://wiki.openstreetmap.org/wiki/Kathmandu_Living_Labs/exposuresurvey#Building_Structure There are ~13,000 buildings using that key, yes/no https://taginfo.openstreetmap.org/keys/building:soft_storey I'm not convinced soft_storey should be its own key or rather a structural characteristic of a building. For example, building:structure is widely used to tell if buildings are made of masonry, reinforced concrete, etc. It would make sense for soft_storey to be a value of that key. https://taginfo.openstreetmap.org/keys/building:structure The values are not standardized and lots of spelling creativity is in that key. BTW, there is no wiki page for building:structure either. Question for the community: does it make sense to add soft story information using the key building:soft_storey=y/n (similar to https://wiki.openstreetmap.org/wiki/Key:building:fireproof) or should I use building:structure=soft_storey? Thanks, stef
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