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| Transportation—Surface and Underground | 57.6200 – 57.6205 | |||||||||||||||||||
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50 FR 4082, Jan. 29, 1985, unless otherwise noted.
61 FR 36801, July 12, 1996, unless otherwise noted.
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Explosive material shall be transported without undue delay to the storage area or blast site.
Detonators shall not be transported on the same vehicle or conveyance with other explosives except as follows:
(a) Detonators in quantities of more than 1,000 may be transported in a vehicle or conveyance with explosives or blasting agents provided the detonators are—
(1) Maintained in the original packaging as shipped from the manufacturer; and
(2) Separated from explosives or blasting agents by 4 inches of hardwood or equivalent, or a laminated partition. The hardwood or equivalent shall be fastened to the vehicle or conveyance. When a laminated partition is used, operators must follow the provisions of the Institute of Makers of Explosives (IME) Safety Library Publication No. 22, “Recommendations for the Safe Transportation of Detonators in a Vehicle with Other Explosive Materials” (May 1993), and the “Generic Loading Guide for the IME-22 Container” (October 1993). The IME is located at 1120 19th Street NW., Suite 310, Washington, DC 20036-3605; 202-429-9280; https://www.ime.org. This incorporation by reference has been approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies are available at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at all Metal and Nonmetal Mine Safety and Health District Offices, or available for examination at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
(b) Detonators in quantities of 1,000 or fewer may be transported with explosives or blasting agents provided the detonators are—
(1) Kept in closed containers; and
(2) Separated from explosives or blasting agents by 4 inches of hardwood or equivalent, or a laminated partition. The hardwood or equivalent shall be fastened to the vehicle or conveyance. When a laminated partition is used, operators must follow the provisions of IME Safety Library Publication No. 22, “Recommendations for the Safe Transportation of Detonators in a Vehicle with Other Explosive Materials” (May 1993), and the “Generic Loading Guide for the IME-22 Container” (October 1993). The IME is located at 1120 19th Street NW., Suite 310, Washington, DC 20036-3605; 202-429-9280; https://www.ime.org. This incorporation by reference has been approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies are available at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at all Metal and Nonmetal Mine Safety and Health District Offices, or available for examination at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
[61 FR 36801, July 12, 1996, as amended at 67 FR 38385, June 4, 2002; 80 FR 52988, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]
(a) Vehicles containing explosive material shall be—
(1) Maintained in good condition and shall comply with the requirements of subpart M of this part;
(2) Equipped with sides and enclosures higher than the explosive material being transported or have the explosive material secured to a nonconductive pallet;
(3) Equipped with a cargo space that shall contain the explosive material (passenger areas shall not be considered cargo space);
(4) Equipped with at least two multipurpose dry-chemical fire extinguishers or one such extinguisher and an automatic fire suppression system;
(5) Posted with warning signs that indicate the contents and are visible from each approach;
(6) Occupied only by persons necessary for handling the explosive material;
(7) Attended or the cargo compartment locked at surface areas of underground mines, except when parked at the blast site and loading is in progress; and
(8) Secured while parked by having—
(i) The brakes set;
(ii) The wheels chocked if movement could occur; and
(iii) The engine shut off unless powering a device being used in the loading operation.
(b) Vehicles containing explosives shall have—
(1) No sparking material exposed in the cargo space; and
(2) Only properly secured nonsparking equipment in the cargo space with the explosives.
(c) Vehicles used for dispensing bulk explosive material shall—
(1) Have no zinc or copper exposed in the cargo space; and
(2) Provide any enclosed screw-type conveyors with protection against internal pressure and frictional heat.
Explosive material shall not be transported on a locomotive. When explosive material is hauled by trolley locomotive, covered, electrically insulated cars shall be used.
(a) Before explosive material is transported in hoist conveyances—
(1) The hoist operator shall be notified; and
(2) Hoisting in adjacent shaft compartments, except for empty conveyances or counterweights, shall be stopped until transportation of the explosive material is completed.
(b) Explosive material transported in hoist conveyances shall be placed within a container which prevents shifting of the cargo that could cause detonation of the container by impact or by sparks. The manufacturer's container may be used if secured to a nonconductive pallet. When explosives are transported, they shall be secured so as not to contact any sparking material.
(c) No explosive material shall be transported during a mantrip.
Closed, nonconductive containers shall be used to carry explosives and detonators to and from blast sites. Separate containers shall be used for explosives and detonators.