Canada Occupational Health and Safety Regulations

18.52 (1) Every employer shall ensure that a second source of power capable of supplying sufficient power to operate all essential diving equipment is available in the event of failure of the primary power source.

(2) Every employer shall ensure that the second source of power referred to in subsection (1) is capable of

• (a) being rapidly brought on line; and

• (b) operating all equipment essential to the diving operation.