30 C.F.R. § 57.4202 Fire hydrants.
Title 30 - Mineral Resources
If fire hydrants are part of the mine's firefighting system, the hydrants shall be provided with— (a) Uniform fittings or readily available adapters for onsite firefighting equipment; (b) Readily available wrenches or keys to open the valves; and (c) Readily available adapters capable of connecting hydrant fittings to the hose equipment of any firefighting organization relied upon by the mine.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart C—Fire Prevention and Control
Firefighting Equipment
§ 57.4202 Fire hydrants.
