Oil and Gas Occupational Safety and Health Regulations
Version of section 6.2 from 2006-03-22 to 2014-05-28:
6.2 This Part does not apply to
(a) a heating boiler that has a heating surface of 3 m2 or less;
(b) a pressure vessel that has a capacity of 40 L or less;
(c) a pressure vessel that is installed for use at a pressure of 100 kPa or less;
(d) a pressure vessel that has an internal diameter of 150 mm or less;
(e) a pressure vessel that has an internal diameter of 600 mm or less and that is used for the storage of hot water;
(f) a pressure vessel that has an internal diameter of 600 mm or less and that is connected to a water-pumping system containing air that is compressed to serve as a cushion; or
(g) a refrigeration plant that has a capacity of 18 kW or less of refrigeration.
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