{"data":{"id":"us-ok/okla.-stat.-tit.-45-45-506","jurisdiction":"us-ok","citation":"Okla. Stat. tit. 45, § 45-506","heading":"Ventilation - Construction of air and hoisting shafts","body":"It shall be unlawful for the operator or superintendent, mine\n\nforeman or other person, to employ more than ten persons in any coal\n\nor other mine, or permit more than ten persons to be employed\n\ntherein at any one time unless they are in communication with at\n\nleast two available openings to the surface from each seam or\n\nstratum of coal or other mineral worked in such mine: Provided,\n\nthat in any mine operated by shaft or slope and ventilated by a fan\n\nplaced at the second opening, and said second opening is a slope or\n\nshaft, it may be used as an airway and for a traveling way into and\n\nfrom the mine, and if the said second opening is a shaft through\n\nwhich the employees travel into and from the mine, by reason of a\n\nstairway, or are regularly lowered into and hoisted from the mine by\n\nthe use of machinery and such shaft is divided by suitable material\n\ninto two compartments while developing or opening the mine up, to\n\nthe ten men as hereinbefore, one of them may be used for an airway\n\nand the other for the purpose of ingress and egress into and from\n\nsaid mine; and further provided, that any fan shaft hereafter\n\ndivided into compartments for the purpose of ventilation, and\n\ningress and egress into and from the mines or any divided partition\n\nnow in use that may hereafter be replaced, wholly or in part, shall\n\nbe constructed of noncombustible material. And there shall be cut\n\naround the bottom of all hoisting shafts, or driven through the\n\nsolid strata a traveling way not less than five (5) feet high and\n\nthree (3) feet wide, to enable persons to pass from one side of the\n\nshaft to the other without passing over or under the cage or other\n\napparatus, and there shall be cut around all other shafts a\n\ntraveling way to save the necessity of passing under the shaft.","path":["OK Code","Title 45"],"source_url":"https://www.oklegislature.gov/OK_Statutes/CompleteTitles/os45.pdf","current_through":"2026-08-14","vintage":"open-us-law v2026.08, retrieved 2026-09-14","retrieved_at":"2026-09-14T18:32:36Z","sha256":"730194b901cc72cd5b8cf9d427966e3d18f1fb177431d3551a179394de7f2d6b","source_id":"us-ok","stale":false,"prev":"us-ok/okla.-stat.-tit.-45-45-505","next":"us-ok/okla.-stat.-tit.-45-45-507"},"notice":"GroundRules: Original legal text. Not legal advice."}