30 CFR § 75.1100-2 Quantity and location of firefighting equipment.
(a)Working sections. (1) Each working section of coal mines
producing 300 tons or more per shift shall be provided with two portable fire
extinguishers and 240 pounds of rock dust in bags or other suitable
containers; waterlines shall extend to each section loading point and be
equipped with enough fire hose to reach each working face unless the section
loading point is provided with one of the following:
(i) Two portable water cars; or
(ii) Two portable chemical cars; or
(iii) One portable water car or one portable chemical
car, and either (a) a portable foam-generating machine or (b) a portable
high-pressure rock-dusting machine fitted with at least 250 feet of hose and
supplied with at least 60 sacks of rock dust.
(2) Each working section of coal mines producing less than 300 tons
of coal per shift shall be provided with the following:
(i) Two portable fire extinguishers; and
(ii) 240 pounds of rock dust in bags or other suitable containers;
(iii) At least 500 gallons of water and at least three pails of 10-
quart capacity; or a waterline with sufficient hose to reach the
working places; or a portable water car of at least 500-gallons
capacity; or a portable, all-purpose, dry-powder chemical car of at
least 125-pounds capacity.
(3) As an alternative to paragraph (a)(2) of this section, each
working section with no electrical equipment at the face of an
anthracite coal mine producing less than 300 tons of coal per shift
shall be provided with the following:
(i) Portable fire extinguishers containing a total capacity of at
least 30 pounds of dry chemical or 15 gallons of foam and located at
the entrance to the gangway at the bottom of the slope; and
(ii) Portable fire extinguishers containing a total capacity of at
least 20 pounds of dry chemical or 10 gallons of foam and located
within 500 feet from the working face.
(b)Belt conveyors. In all coal mines, waterlines shall be
installed parallel to the entire length of belt conveyors and shall be
equipped with firehose outlets with valves at 300-foot intervals along each
belt conveyor and at tailpieces. At least 500 feet of firehose with fittings
suitable for connection with each belt conveyor waterline system shall be
stored at strategic locations along the belt conveyor. Waterlines may be
installed in entries adjacent to the conveyor entry belt as long as the
outlets project into the belt conveyor entry.
(c)Haulage tracks. (1) In mines producing 300 tons of coal
or more per shift waterlines shall be installed parallel to all haulage
tracks using mechanized equipment in the track or adjacent entry and shall
extend to the loading point of each working section. Waterlines shall be
equipped with outlet valves at intervals of not more than 500 feet, and 500
feet of firehose with fittings suitable for connection with such waterlines
shall be provided at strategic locations. Two portable water cars, readily
available, may be used in lieu of waterlines prescribed under this
(2) In mines producing less than 300 tons of coal per
shift, there shall be provided at 500-foot intervals in all main and
secondary haulage roads:
(i) A tank of water of at least 55-gallon capacity with at
least 3 pails of not less than 10-quart capacity; or
(ii) Not less than 240 pounds of bagged rock dust.
(d)Transportation. Each track or off-track locomotive,
self-propelled man-trip car, or personnel carrier shall be equipped with one
portable fire extinguisher.
(e) Electrical installations. At each electrical installation, the
operator shall provide two portable fire extinguishers that have a
nominal capacity of 5 pounds of dry chemical, or one extinguisher that
has a nominal capacity of at least 10 pounds of dry chemical, and which
have a 2-A:10-B:C or higher rating.
(2) One portable fire extinguisher and 240 pounds of rock
dust shall be provided at each temporary electrical installation.
(f)Oil storage stations. Two portable fire extinguishers and
240 pounds of rock dust, shall be provided at each permanent underground oil
storage station. One portable fire extinguisher shall be provided at each
working section where 25 gallons or more of oil are stored in addition to
extinguishers required under paragraph (a) of this section.
(g)Welding, cutting, soldering. One portable fire
extinguisher or 240 pounds of rock dust shall be provided at locations where
welding, cutting, or soldering with arc or flame is being done.
(h)Powerlines. At each wooden door through which powerlines
pass there shall be one portable fire extinguisher or 240 pounds of rock
dust within 25 feet of the door on the intake air side.
(i)Emergency materials. (1) At each mine producing 300 tons
of coal or more per shift there shall be readily available the following
materials at locations not exceeding 2 miles from each working section:
1,000 board feet of brattice boards
2 rolls of brattice cloth
2 hand saws
25 pounds of 8(super)d nails
25 pounds of 10(super)d nails
25 pounds of 16(super)d nails
3 claw hammers
25 bags of wood fiber plaster or 10 bags of cement (or equivalent material
5 tons of rock dust
(2) At each mine producing less than 300 tons of coal per
shift the above materials shall be available at the mine, provided, however,
that the emergency materials for one or more mines may be stored at a central
warehouse or building supply company and such supply must be the equivalent
of that required for all mines involved and within 1-hour's delivery time
from each mine. This exception shall not apply where the active working
sections are more than 2 miles from the surface.
U.S. Department of Labor | Mine Safety and Health Administration (MSHA) | 1100 Wilson Boulevard, 21st Floor | Arlington, VA 22209-3939 www.msha.gov | Telephone: (202) 693-9400 | Fax-on-demand: (202) 693-9401