Section 2860. Rock-bolt hole drill bits  


Latest version.
  • Rock-bolt hole drill bits shall be easily identifiable by sight or feel and diameters shall be within a tolerance of 0.030 inches of the manufacturer's recommended hole diameter for the anchor used.

Historical Notes

Derived from VR480-05-1.2 § 15.10, eff. July 19, 1989.

Statutory Authority

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