Ariz. Admin. Code § 11-1-1809

Current through Register Vol. 30, No. 50, December 13, 2024
Section R11-1-1809 - Ventilation, Main Fans - Operation

Main fans should be:

1. Operated continuously except when the mine is shut down for an extended period.
2. Provided with pressure-recording gauges.
3. Inspected daily each day during which the fan is operated and records kept of such operations and of fan maintenance.

Ariz. Admin. Code § R11-1-1809

Former Rule 18:09.