Section 4320. Headframes and sheaves  


Latest version.
  • Headframes and sheaves shall be designed and constructed to withstand pulls by the hoists greater than the breaking strengths of the hoist ropes.

Historical Notes

Derived from VR480-05-1.2 § 15.156, 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.