Virginia Administrative Code (Last Updated: January 10, 2017) |
Title 4. Conservation and Natural Resources |
Agency 25. Department of Mines, Minerals and Energy |
Chapter 40. Safety and Health Regulations for Mineral Mining |
Section 3270. Requirements for ventilation doors
Latest version.
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Ventilation doors shall be:
1. Substantially constructed;
2. Covered with fire-retardant material, if constructed of wood;
3. Maintained in good condition;
4. Self-closing, if manually operated; and
5. Equipped with audible or visual warning devices, if mechanically operated.
Historical Notes
Derived from VR480-05-1.2 § 15.51, eff. July 19, 1989.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.