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(a) Only the train crew and powder crew shall be permitted to ride on a train transporting explosive materials.
(b) Explosive materials in quantities of 110 pounds or more when transported on a train, shall be in special powder cars. Such cars shall be constructed of metal and have closed compartments for the explosive materials. The compartments shall be lined with nonconductive material.
(c) Explosive materials shall not be transported on or in any locomotive. When transporting explosive materials by train, at least one empty car shall be kept between the locomotive and the car which contains explosive materials.
(d) Each side of the special powder car shall bear a sign with the word EXPLOSIVES in letters not less than 4 inches high with a 5/8-inch stroke on a background of sharply contrasting color.
(e) Powder cars that are carrying explosive materials shall be pulled, not pushed, except when switching or traveling at the dead end of a line.
(f) The primers shall be placed in a primer compartment of the powder car in a suitable box with divisions for each separate delay. If capped fuses are used, they must be in a suitable container in the primer compartment. The primer and powder compartments shall be separated by at least 25 inches of air space.
Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of section heading and section and new Note filed 7-11-2003; operative 8-10-2003 (Register 2003, No. 28).