Ariz. Admin. Code § 11-1-1812
Current through Register Vol. 30, No. 50, December 13, 2024
When a main fan fails or stops and ventilation is not restored in a reasonable time, and in no event more than 15 minutes, action shall be taken to cut off the power to the areas affected and to withdraw all men from such areas.
Ariz. Admin. Code § R11-1-1812