When mechanical haulage is in an underground mine, the tracks, roadbeds, rails, joints, switches and frogs shall be constructed, installed, bonded and maintained in a manner consistent with the speed and type of haulage operation being conducted.

Terms Used In Arizona Laws 27-349

  • Mine: means all lands containing excavations, underground passageways, shafts, tunnels and workings, structures, facilities, equipment, machines or other property including impoundments, retention dams, tailings and waste dumps, on the surface or underground, used in, to be used in or resulting from the work of extracting minerals or other materials, excluding hydrocarbons. See Arizona Laws 27-301
  • Operation: means a mine, mill, smelter, sand and gravel plant or pyrometallurgical or hydrometallurgical operation. See Arizona Laws 27-301
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