Section 4770. Stop blocks or derail switches  


Latest version.
  • Positive stop blocks or a derail switch shall be installed on all tracks leading to a shaft collar or landing.

Historical Notes

Derived from VR480-05-1.2 § 15.201, eff. July 19, 1989; amended, Volume 14, Issue 17, eff. July 1, 1998.

Statutory Authority

§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.