29 CFR §1926.903
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (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.