57.6202—Vehicles.
(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;
(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
(2)
Provide any enclosed screw-type conveyors with protection against internal pressure and frictional heat.