22(1)An employer shall ensure that an underground mine utilizing a hoist has an alternate source of electrical power to its regular power supply that is capable of providing sufficient power to operate and maintain services essential to the safe evacuation of the mine.

22(1.1)An employer shall, at least once a year, ensure that a hoist is tested using the alternate source of electrical power referred to in subsection (1) to determine if the alternate source of electrical power is capable of providing sufficient power to operate and maintain services essential to the safe evacuation of the underground mine.

22(2)An employer shall maintain a record book showing maintenance schedules, test runs and scheduled outages on the alternate source of electrical power and the prime mover.

22(3)An employer shall keep a record book referred to in subsection (2) for a period of three years after the last entry in the book and shall make it available to an officer on request.

22(1)An employer shall ensure that an underground mine utilizing a hoist has an alternate source of electrical power to its regular power supply that is capable of providing sufficient power to operate and maintain services essential to the safe evacuation of the mine.

22(2)An employer shall maintain a record book showing maintenance schedules, test runs and scheduled outages on the alternate source of electrical power and the prime mover.

22(3)An employer shall keep a record book referred to in subsection (2) for a period of three years after the last entry in the book and shall make it available to an officer on request.