30 CFR § 75.1311 Transporting explosives and detonators.
(a) When explosives and detonators are to be transported
underground--
(1) They shall be enclosed in separate, substantially
constructed containers made of nonconductive material, with no metal or other
conductive materials exposed inside, except as specified in paragraph (d) of
this section; and
(2) Each container of explosives and of detonators shall
be indelibly marked with a readily visible warning identifying the
contents.
(b) When explosives and detonators are transported by any cars or
vehicles--
(1) The cars or vehicles shall be marked with warnings to
identify the contents as explosive. The warnings shall be readily visible to
miners approaching from any direction and in indelible letters;
(2) Explosives and detonators shall be transported either
in separate cars or vehicles, or if in the same cars or vehicles as
follows:
(b)(2)(i) Class A and Class C detonators in quantities greater
than 1,000 shall be kept in the original containers as shipped from the
manufacturer and separated from explosives by a hardwood partition at least 4
inches thick, a laminated partition or equivalent; and
(b)(2)(ii) Class A and Class C detonators in quantities of no
more than 1,000 shall be separated from explosives by a hardwood partition at
least 4 inches thick, a laminated partition or equivalent.
(3) No persons, other than those necessary to operate
the equipment or to accompany the explosives and detonators, shall be
transported with explosives and detonators, and
(4) When explosives and detonators are transported
using trolley locomotives--
(b)(4)(i) Trips carrying explosives and detonators shall be
separated from all other mantrips by at least a 5-minute interval; and
(b)(4)(ii) Cars containing explosives or detonators shall be
separated from the locomotives by at least one car that is empty or that
contains noncombustible materials.
(c) When explosives and detonators are transported on conveyor
belts--
(1) Containers of explosives shall be separated from
containers of detonators by at least 50 feet;
(2) At least 6 inches of clearance shall be maintained
between the top of any container of explosives or container of detonators and
the mine roof or other obstruction;
(3) Except when persons are riding the belt to accompany
explosives or detonators, a person shall be at each transfer point between
belts and at the unloading location; and
(4) Conveyor belts shall be stopped before explosives or
detonators are loaded or unloaded.
(d) When explosives and detonators are transported by hand they shall
be carried in separate, nonconductive, closed containers.