[Tagging] Can OSM become a geospacial database?

Erkin Alp Güney erkinalp9035 at gmail.com
Fri Dec 7 18:12:49 UTC 2018

Do they not have grade eight roofers in the US?

7.12.2018 01:38 tarihinde Michael Patrick yazdı:
>     great you name carpenters, because there were actually some
>     problems in the
>     past classifying people working with wood. ... Can you explain the
>     difference between a framer, a carpenter, a cabinet maker, a
>     joiner, a finish carpenter, a timberman, a ring builder, a jerry
>     man, a binder?
> There could only be a problem classifying trades if existing lexicons
> are ignored. At least in the U.S., currently, there are fairly exact
> definitions for trade classifications, down to the types of tools,
> specific materials, certification, and processes where required.
> Example: /"Grade 9 roofers must be fully skilled in installing new
> roofs. They must have the ability to apply the starter row of shingles
> to insure that they overlap properly and that they are securely
> fastened to the subsurface to eliminate possibility of leaks. On
> built-up roofs, they must be skilled in applying roofing felt, asphalt
> and gravel, or other topping material, and in sealing joints of
> roofing accessories with asphalt. In addition to work at the grade 7
> level, the grade 9 roofers must be able to install and repair the
> metal roofing accessories themselves, such as gravel guards,
> flashings, gutters, valleys, vents, pipes, and chimneys.They also must
> have the ability to cut and form metal accessories to meet roofing
> requirements, to fasten them to roofs with nails or screws, to solder
> metal joints, and to cut and shape shingles to fit around the
> accessories. In comparison with the grade 7 level, the grade 9 roofers
> also must be familiar with a greater variety of roofing materials and
> their uses and methods of installation. They must know how to apply
> wood, asbestos, slate tile, and composition shingles; metal roofing
> panels; roofing felt and asphalt. When required, they must be able to
> apply asbestos siding materials.In addition to the hand tools used at
> the grade 7 level, they must be skilled in the use of shingle cutters,
> metal snips and saws. "/
> International Open BIM systems standards ( Building Information
> Management, which covers the entire life cycle from natural site,
> through construction and operation, to demolition and site restoration
> ) have even finer grain of detail.
>     Some of them might be synonyms, some reflect regional differences
>     (e.g. AE
>     vs. BE)?
> Since the labor and materials supply chain is international, there are
> multi-lingual crosswalk tables between the U.S. and E.U., between the
> E.U. and the member countries.
> A casual observer might observe a job site during a pour, and classify
> the workers as 'concrete workers', when they are actually Formwork
> /Carpenters./
> Folksonomies <https://en.wikipedia.org/wiki/Folksonomy> like OSM have
> benefits, but as they expand, the downsides begin to matter, and there
> usually isn't an effective mechanism to refactor them.
> Sometimes the apparent complexity of these existing standards appear
> intimidating, but they all have a root, branches, and leaves, and one
> can select the level(s) of abstraction which are coincident with
> common language. i.e. in one place you can see what the differences
> /and similarities/ "... between a framer, a carpenter, a cabinet
> maker, a joiner, a finish carpenter, a timberman, a ring builder, a
> jerry man, a binder" are, and where your term lies in the hierarchy.
> Sometimes, the 'root' concept and groupings are not obvious.
> This also leaves room for reconciling it with other classifications -
> Japanese style carpentry roles are more or less orthogonal to Western
> style, more intensely aligned to product, the worker literally might
> select and fell the tree, mill that wood, and eventually carve it to
> shape in it's final position.
> It's a question, to a degree, of "re-inventing the wheel". There are
> already existing tagging schemes in the world ( some going back to the
> 1700's, from guilds and registries ). It might be worth a few minutes
> to seek those out, and adopt from those.
> Michael Patrick
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