GroundRules
4VAC25-40-5210: Equipping booster fans
Where this section sits in the code
- Title 4. Conservation And Natural Resources
- Agency 25. Department of Energy
- Chapter 40. Safety and Health Regulations for Mineral Mining
- Part XV. Safety and Health Regulations—Underground Only
- Article 11. Gassy Mines
Booster fans shall be:
1. Provided with an automatic signal device to give warning or alarm should the fan system malfunction. The signal device shall be so located that it can be seen or heard by a responsible person at all times when persons are underground;
2. Equipped with a device that automatically de-energizes the power in unventilated active areas should the fan system malfunction; and
3. Equipped with two sets of controls capable of starting, stopping, and reversing the fans. One set of controls shall be located at the fans. A second set of controls shall be at another location remote from the fans.
Collected 2026-09-14T04:46:10Z. Source file · JSON