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Ariz. Admin. Code § R11-1-1809 – Ventilation, main fans -- operation | Midpage
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Arizona Administrative Code
Title 11
1
18
R11-1-1809
Ariz. Admin. Code § R11-1-1809
Ventilation, main fans -- operation
State Mine Inspector
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.
Main fans should be:
Historical Note
Former Rule 18:09.