Stopblocks and derail switches.

  1. Law
  2. CFR 30
  3. Mineral Resources
  4. Mine Safety and Health Administration, Department of Labor
  5. Metal and Nonmetal Mine Safety and Health
  6. Safety and Health Standards - Underground Metal and Nonmetal Mines
  7. Personnel Hoisting
  8. Shafts
  9. Stopblocks and derail switches.

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§ 57.19101 Stopblocks and derail switches.

Positive stopblocks or a derail switch shall be installed on all tracks leading to a shaft collar or landing.


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