GroundRules
30 CFR 57.8531: Construction and maintenance of ventilation doors.
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 G—Ventilation
Ventilation doors shall be—
(a) Substantially constructed;
(b) Covered with fire-retardant material, if constructed of wood;
(c) Maintained in good condition;
(d) Self-closing, if manually operated; and
(e) Equipped with audible or visual warning devices, if mechanically operated.
Collected 2026-08-27T02:25:24Z. Source file · JSON