30 CFR § 77.1109
Quantity and location of firefighting equipment.
Preparation plants, dryer plants, tipples, drawoff tunnels, shops, and other
surface installations shall be equipped with the following firefighting
(a) Each structure presenting a fire hazard shall be provided with
portable fire extinguishers commensurate with the potential fire hazard at
the structure in accordance with the recommendations of the National Fire
(b) Preparation plants shall be equipped with waterlines, with outlet
valves on each floor, and with sufficient fire hose to project a water stream
to any point in the plant. However, where freezing conditions exist or water
is not available, a 125-pound multipurpose dry powder extinguisher may be
substituted for the purposes of this paragraph (b) for each 2,500 square
feet of floor space in a wooden or other flammable structure, or for each
5,000 square feet of floor space in a metal, concrete-block, or other type
of non-flammable construction.
(c)(1) Mobile equipment, including trucks, front-end loaders,
bulldozers, portable welding units, and augers, shall be equipped with at
least one portable fire extinguisher.
(2) Power shovels, draglines, and other large equipment
shall be equipped with at least one portable fire extinguisher; however,
additional fire extinguishers may be required by an authorized representative
of the Secretary.
(3) Auxiliary equipment such as portable drills, sweepers,
and scrapers, when operated more than 600 feet from equipment required to
have portable fire extinguishers, shall be equipped with at least one fire
(d) Fire extinguishers shall be provided at permanent electrical
installations commensurate with the potential fire hazard at such
installation in accordance with the recommendations of the National Fire
(e) Two portable fire extinguishers, or the equivalent, shall be
provided at each of the following combustible liquid storage
(1) Near each above ground or unburied combustible liquid
storage station; and,
(2) Near the transfer pump of each buried combustible
liquid storage tank.
(f) Vehicles transporting explosives and blasting agents shall be
equipped with fire protection as recommended in Code 495, section 20,
National Fire Protection Association Handbook, 12th Edition, 1962.