R 408.41463
R 408.41463 Emergency provisions; plans; equipment; rescue crews.
Cite as Mich. Admin. Code R 408.41463
Rule 1463. (1) The employer shall develop a plan to evacuate a tunnel in an
emergency and the procedures to carry out the plan shall be made known to the
employees and to the rescue team.
(2) An employer shall ensure that rescue teams are familiar with conditions at the
jobsite.
(3) On jobsites where 25 or more employees work underground at 1 time, an
employer shall provide, or make arrangements in advance with locally available rescue
services to provide, at least 2 5-person rescue teams.
One of the teams shall be on the jobsite or within 1/2 hour of travel time from the
entry point and the other team shall be within 2 hours of travel time from the entry point.
(4) On jobsites where fewer than 25 employees work underground at 1 time, an
employer shall provide, or make arrangements in advance with locally available rescue
services to provide, at least 1 5-person rescue team. The team shall either be on the
jobsite or be within 1/2 hour of travel time from the entry point.
(5) On jobsites where flammable or noxious gases are encountered or anticipated in
hazardous quantities, rescue team members shall practice donning and using self-
contained breathing apparatus monthly.
(6) An emergency hoisting facility, such as a mud box or a crane, shall be readily
available at a shaft that is used as a means of egress, unless a hoisting means is provided
that is independent of an electrical power failure. The hoisting means shall be designed
so that the load hoist drum is powered in both directions of rotation and so that the brake
is automatically applied upon power release or failure.
(7) An employer shall provide an escape-only respirator that is a self-contained
breathing apparatus with a minimum of a 5 minute air supply. Respirators shall be
approved by the national institute for occupational safety and health as prescribed in the
provisions of 42 C.F.R. Public Health Service, Part 84 “Approval of Respiratory
Protective Devices,” as adopted in R 408.41410. Respirators shall be used in accordance
with Occupational Health Standard Part 451 “Respiratory Protection,” as referenced in
R 408.41410. Escape-only respirators shall be immediately available for each employee
at work stations in underground areas where employees might be trapped by smoke or
gas.
(8) Escape-only respirator that is a self-contained breathing apparatus shall be
maintained in good operating condition. Employees shall be trained in its use.
(9) The employer shall maintain a rescue crew for each shift of all underground
operations. The rescue crew shall be trained in rescue procedures, the use and limitations
of a breathing apparatus, and the use of fire fighting equipment. The crews shall be
retrained at least once each year. Local fire and police personnel may be used as rescue
teams for tunnel operations. If local personnel are to be used, then the employer shall
arrange for assistance before the start of the project.
(10) The employer shall provide the following minimum rescue equipment at the top
of the shaft:
(a) Four units of 1/2-hour-rated, self-contained breathing apparatus.
(b) Four additional units of 1/2-hour-rated air bottles.
(c) Four bureau of mines flashlights or lanterns with additional batteries for each
light. The flashlights shall be as prescribed in part 20 of subchapter B of the provisions
of 30 C.F.R., Mineral Resources, Parts 1-199 “Mine Safety and Health Administration,
Department of Labor,” as adopted in R 408.41410.
(d) Two 2A-10BC fire extinguishers.
(e) One stretcher, wire basket type or equivalent with slings attached.
(f) One fire blanket.
(g) One 10-ton hand hydraulic rescue kit.
(h) One first aid kit as prescribed in Construction Safety Standard Part 1 “General
Rules,” as referenced in R 408.41410.
(11) At least 1 employee shall be on duty above ground when an employee is
working underground. The primary duty of the employee who is above ground shall be
to secure immediate aid for an employee who is underground in case of an emergency.