Section 57.6202 - Vehicles (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-
- (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.
053-3 Wyo. Code R. § 57.6202