A. A standing car on any track, unless it is held effectively by brakes, shall be properly blocked to prevent movement.
B. Positive-acting stopblocks or derails shall be used when necessary to protect miners from the hazard of runaway rail equipment. Derails shall be located where a grade at the entrance or any other location in the mine creates a potential collision hazard.
C. Safety chains, steel ropes, or other effective devices capable of holding the load shall be used to prevent a runaway mantrip or other supply car.
Code 1950, § 45-69.1; 1954, c. 191; 1966, c. 594, § 45.1-73; 1979, c. 315; 1983, c. 70; 1985, c. 302; 1994, c. 28, § 45.1-161.144; 1996, c. 774; 1999, c. 256; 2021, Sp. Sess. I, c. 387.