GroundRules
30 CFR 57.4560: Mine entrances.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH
- PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
- Subpart C—Fire Prevention and Control
For at least 200 feet inside the mine portal or collar timber used for ground support in intake openings and in exhaust openings that are designated as escapeways shall be—
(a) Provided with a fire suppression system, other than fire extinguishers and water hoses, capable of controlling a fire in its early stages; or
(b) Covered with shotcrete, gunite, or other material with equivalent fire protection characteristics; or
(c) Coated with fire-retardant paint or other material to reduce its flame spread rating to 25 or less and maintained in that condition.
Collected 2026-08-27T02:25:24Z. Source file · JSON