Michigan Laws 339.5933 – Classification of boiler operator and stationary engineer registrations
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Terms Used In Michigan Laws 339.5933
- Boiler: means a closed vessel in which water is heated, steam is generated, or steam is superheated, or a combination of those actions occurs, under pressure or vacuum by the application of heat from combustible fuels, electricity, or nuclear energy. See Michigan Laws 339.5901
- Heating surface: means the heating surface determined by the boiler manufacturer and recorded in the manufacturer's data report or by rules established by the board for a boiler if the manufacturer's data report is not available or the boiler is not stamped with its heating surface. See Michigan Laws 339.5901
- Low pressure boiler: means a steam boiler operated at pressures that do not exceed 15 p. See Michigan Laws 339.5903
- stationary engineer: means an individual who is engaged in the operation of boilers and associated auxiliaries. See Michigan Laws 339.5901
For purposes of this article, boiler operator and stationary engineer registrations are classified as follows:
(a) Low pressure boiler operators, who operate low pressure boiler plants that have an aggregate of not more than 4,000 square feet of boiler heating surface.
(b) High pressure boiler operators, who operate boiler plants that have an aggregate of not more than 4,000 square feet of boiler heating surface or not more than 10 steam engine-turbine horsepower.
(c) Third-class stationary engineers, who operate boiler plants that have an aggregate of not more than 7,500 square feet of boiler heating surface or not more than 100 steam engine-turbine horsepower.
(d) Second-class stationary engineers, who operate boiler plants that have an aggregate of not more than 20,000 square feet of boiler heating surface or not more than 200 steam engine-turbine horsepower.
(e) First-class stationary engineers, who operate boiler plants that have an aggregate of 20,000 square feet or more of boiler heating surface or 200 steam engine-turbine horsepower or more.