379. Every safety valve on a compressor whose air flow exceeds 8 m3 (282.5 ft3) per minute and every safety valve on a compressed air tank fed by a compressor whose air flow exceeds 8 m3 (282.5 ft3) per minute shall be tested at least once per 5 days of use.
Valves located outside a building shall be tested at least once per day of use between 1 December and 31 March and at least once per 5 days of use between 1 April and 30 November.
Non-functioning valves shall be repaired or replaced.
O.C. 213-93, s. 379; O.C. 1326-95, s. 69.