Definitions
1. (1) In this Act, “boiler” means a pressure vessel that may be used at greater than atmospheric pressure, (a) to generate or heat steam, or (b) to heat water to a temperature less than its boiling point at the maximum pressure within the vessel, and includes any pipe, fitting and other equipment attached thereto or used in connection therewith; (“chaudière”) “brake horsepower” means the effective or useful horsepower developed by a prime mover as measured by a weigh scale and a brake applied to its driving shaft or by other means approved by the chief officer, and one brake horsepower is equivalent to 2,544 British thermal units per hour or to 0.02544 Therm-hours; (“puissance au frein”) “certificate of qualification” means a subsisting certificate of qualification issued under this Act to an operating engineer or an operator; (“certificat de compétence”) “certificate of registration” means a subsisting certificate of registration issued under this Act for a plant; (“certificat d’enregistrement”) “chief officer” means the person appointed as the chief officer for the purposes of this Act; (“agent en chef”) “chief operating engineer” means an operating engineer who at all times has charge of and the responsibility for the safe operation of a plant, and has such other powers and duties respecting the plant and persons therein as are prescribed in this Act and the regulations; (“mécanicien d’exploitation en chef”) “chief operator” means an operator or an operating engineer who at all times has charge of and the responsibility for the safe operation of a compressor plant or a refrigeration plant, and has such other powers and duties respecting the plant and persons therein as are prescribed in this Act and the regulations; (“opérateur en chef”) “compressor plant” means an installation comprised of one or more compressors with prime movers and the equipment used in connection therewith for compressing but not liquefying air or any other gas to a pressure of more than 15 where the total Therm-hour rating of all such prime movers is more than 3.816; (“installation à compression”) “inspector” means an inspector appointed for the purposes of this Act; (“inspecteur”) “low-pressure stationary plant” means an installation comprised of one or more boilers, (a) containing steam at a pressure of 15 or less, or (b) containing water at a temperature at any boiler outlet of more than 212°F. and up to and including 250°F., and in addition a low-pressure stationary plant may have one or more compressors and one or more refrigeration compressors, and the total Therm-hour rating of all such boilers and compressors is more than 50; (“installation fixe à basse pression”) “Minister” means the Minister of Consumer and Commercial Relations; (“ministre”) “operating engineer” or “operator” means a person who is the holder of a certificate of qualification; (“mécanicien d’exploitation”, “opérateur”) “plant” means a stationary power-plant, low-pressure stationary plant, steam-powered plant, compressor-plant, refrigeration plant or any combination thereof, a portable compressor plant or a temporary heating plant; (“installation”) “pressure” means pressure in pounds per square inch above normal atmospheric pressure; (“pression”) “pressure vessel” means a vessel that is heated or its contents are heated by, (a) a flame or the hot gases of combustion, (b) electricity, or (c) a liquid; (“appareil sous pression”) “prime mover” means an initial source of motive power, and includes an electric motor, an internal combustion engine, a steam engine, a steam turbine and a gas turbine; (“appareil moteur”) “refrigerant” means a substance that may be used to produce refrigeration by its expansion or evaporation; (“substance réfrigérante”) “refrigeration plant” means an installation comprised of one or more refrigerant compressors with prime movers and the equipment used in connection therewith for compressing, liquefying at a pressure of more than 15 and evaporating a refrigerant where the total Therm-hour rating of all such prime movers is more than 2.544; (“installation frigorifique”) “regulations” means the regulations made under this Act; (“règlements”) “shift engineer” means an operating engineer who has charge of and operates a plant under the direction and supervision of a chief operating engineer and who has the authority to perform the powers and duties of the chief operating engineer when the chief operating engineer is absent from the plant; (“mécanicien de poste”) “shift operator” means an operator or operating engineer who has charge of and operates a compressor or refrigeration plant under the direction and supervision of a chief operator or a chief operating engineer and who has the authority to perform the powers and duties of the chief operator or the chief operating engineer when the chief operator or the chief operating engineer is absent from the plant; (“opérateur de poste”) “stationary power plant” means an installation comprised of one or more boilers, (a) containing steam at a pressure of more than 15, or (b) containing water at a temperature at any boiler outlet of more than 250°F., and in addition a stationary power plant may have, (c) one or more boilers containing steam at a pressure of 15 or less or water at a temperature at any boiler outlet of more than 212°F. and up to and including 250°F., and (d) one or more compressors or refrigeration compressors, and the total Therm-hour rating of all such boilers and compressors is more than 17; (“installation électrique fixe”) “steam-powered plant” means a turbine or engine having a Therm-hour rating of more than 3.816 driven by steam, (a) from a boiler that is not owned by or under the control of the user of the turbine or engine, or (b) from another plant of the user of the turbine or engine; (“installation à vapeur”) “temporary heating plant” means one or more boilers, with or without compressors, that supply heat to a project as defined in the Occupational Health and Safety Act or to a shaft, tunnel, caisson or coffer dam to which the regulations made under that Act apply and that operates at a pressure, (a) of not more than 15 and has a total Therm-hour rating of more than 50, or (b) of more than 15 and has a total Therm-hour rating of more than 17; (“installation de chauffage temporaire”) “Therm-hour” means 100,000 British thermal units per hour or 39.3082 brake horsepower; (“therm-heure”) “Therm-hour rating” means the Therm-hour rating of a plant as determined under this Act or the regulations; (“capacité nominale en therms-heure”) “user” means the person in control of a plant as owner, lessee or otherwise, but does not include its operating engineer or operator as such. (“utilisateur”) R.S.O. 1990, c. O.42, s. 1; 1994, c. 27, s. 95 (1). Application of R.S.O. 1990, c. M.21 (2) Sections 15 to 19 of the Ministry of Consumer and Commercial Relations Act, to the extent that they apply to this Act, are enforceable in the same manner and to the same extent as if they had been enacted as provisions in this Act. 1994, c. 27, s. 95 (2).