29 CFR 1926.903 Underground Transportation of Explosives

§ 1926.903

29 CFR Ch. XVII (7–1–04 Edition)

(k) No motor vehicle transporting explosives shall be left unattended.
[44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6,
1979, as amended at 58 FR 35311, June 30, 1993]

§ 1926.903 Underground
tation of explosives.

transpor-

(a) All explosives or blasting agents
in transit underground shall be taken
to the place of use or storage without
delay.
(b) The quantity of explosives or
blasting agents taken to an underground loading area shall not exceed
the amount estimated to be necessary
for the blast.
(c) Explosives in transit shall not be
left unattended.
(d) The hoist operator shall be notified before explosives or blasting
agents are transported in a shaft conveyance.
(e) Trucks used for the transportation of explosives underground shall
have the electrical system checked
weekly to detect any failures which
may constitute an electrical hazard. A
certification record which includes the
date of the inspection; the signature of
the person who performed the inspection; and a serial number, or other
identifier, of the truck inspected shall
be prepared and the most recent certification record shall be maintained
on file.
(f) The installation of auxiliary
lights on truck beds, which are powered by the truck’s electrical system,
shall be prohibited.
(g) Explosives and blasting agents
shall be hoisted, lowered, or conveyed
in a powder car. No other materials,
supplies, or equipment shall be transported in the same conveyance at the
same time.
(h) No one, except the operator, his
helper, and the powderman, shall be
permitted to ride on a conveyance
transporting explosives and blasting
agents.
(i) No person shall ride in any shaft
conveyance transporting explosives
and blasting agents.
(j) No explosives or blasting agents
shall be transported on any locomotive. At least two car lengths shall
separate the locomotive from the powder car.

(k) No explosives or blasting agents
shall be transported on a man haul
trip.
(l) The car or conveyance containing
explosives or blasting agents shall be
pulled, not pushed, whenever possible.
(m) The powder car or conveyance especially built for the purpose of transporting explosives or blasting agents
shall bear a reflectorized sign on each
side with the word ‘‘Explosives’’ in letters, not less than 4 inches in height;
upon a background of sharply contrasting color.
(n) Compartments for transporting
detonators and explosives in the same
car or conveyance shall be physically
separated by a distance of 24 inches or
by a solid partition at least 6 inches
thick.
(o) Detonators and other explosives
shall not be transported at the same
time in any shaft conveyance.
(p) Explosives, blasting agents, or
blasting supplies shall not be transported with other materials.
(q) Explosives or blasting agents, not
in original containers, shall be placed
in a suitable container when transported manually.
(r) Detonators, primers, and other explosives shall be carried in separate
containers when transported manually.
[44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6,
1979, as amended at 52 FR 36382, Sept. 28,
1987]

§ 1926.904 Storage of explosives and
blasting agents.
(a) Explosives and related materials
shall be stored in approved facilities
required under the applicable provisions of the Bureau of Alcohol, Tobacco
and Firearms regulations contained in
27 CFR part 55, Commerce in Explosives.
(b) Blasting caps, electric blasting
caps, detonating primers, and primed
cartridges shall not be stored in the
same magazine with other explosives
or blasting agents.
(c) Smoking and open flames shall
not be permitted within 50 feet of explosives and detonator storage magazine.
(d) No explosives or blasting agents
shall be permanently stored in any underground operation until the operation has been developed to the point

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