57.4200—General requirements.
(2)
Onsite firefighting equipment for fighting fires beyond their early stages, or the mine shall have made prior arrangements with a local fire department to fight such fires.
(1)
Of the type, size, and quantity that can extinguish fires of any class which would occur as a result of the hazards present; and
(2)
Strategically located, readily accessible, plainly marked, and maintained in fire-ready condition.