Maximum hours of employment

(1) The manager shall not permit the employment of a person at a mine for a period longer than 8 hours in any 24 hours. Exceptions. (2) Subregulation (1) does not apply73 (a) to emergencies, where life or property is in danger; (b) where urgent work is essential to the continuation of the ordinary working of a mine, provided it is only on an infrequent basis; or (c) where work schedules incorporate periodic shift changes within a 24-hour period. (3) Work performed pursuant to subregulation (2)(b) and (c) shall not exceed 16 hours in any 24-hour period. Variance. (4) The Inspector may, after investigating a joint request from the manager and the workers affected and after supervising a secret ballot vote at the mine, grant a variance to the work hours by prescribing hours of work for designated areas or classifications.