Employees in mining activities in underground mines or underground workings or hoisting engineers at underground mines may work up to 8 hours in any 24-hour period (AZ Rev. Stat. Sec. 23-282). There are three exceptions to this rule:
• In an emergency, where life or property is in imminent danger.
• Work hours may be changed from one part of the day to another at stated periods, but not more than once in any 2 weeks, or for more than 8 hours during the day in which the change is made.
• Based on a collective bargaining agreement, but in no event longer than 12 hours in any 24-hour period.
Hours worked include time spent traveling underground from the surface to the working place and back.
Employees who work in the laundry department of a laundry establishment may not be required to work more than 48 hours in a week (AZ Rev. Stat. Sec. 23-284). The workday is limited to 8 hours, with three exceptions:
• When it is necessary to make repairs to prevent interruption of the ordinary running of machinery
• If longer hours are worked for the sole purpose of making a shorter day's work for one day of the week
• To make up for time lost on a prior day of the same week due to a machinery breakdown
A railroad that operates in whole or in part within Arizona must provide conductors, engineers, firemen, brakemen, telegraph operators, or any other employee who has worked for 16 consecutive hours with at least 9 hours for rest, except in the case of a death or actual necessity (AZ Rev. Stat. Sec. 23-287).
Truck and bus drivers and their helpers employed by common, contract, or private motor carriers may not be on duty for more than 10 consecutive hours, or a ...