Positive stop blocks or a derail switch shall be installed on all tracks leading to a shaft collar or landing.
4 Va. Admin. Code § 25-40-4770
Statutory Authority
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Positive stop blocks or a derail switch shall be installed on all tracks leading to a shaft collar or landing.
4 Va. Admin. Code § 25-40-4770
Statutory Authority
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.