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89.2 Definitions.

For the purpose of this chapter unless the context otherwise requires:

1. "Boiler" means a vessel in which water or other liquids are heated, steam or other vapors are generated, steam or other vapors are superheated, or any combination thereof, under pressure or vacuum by the direct application of heat.

2. "Commissioner" means the labor commissioner or the labor commissioner's designee.

3. "Exhibition boiler" means a boiler which is operated in the state for nonprofit purposes including, but not limited to, exhibitions, fairs, parades, farm machinery shows, or any other event of an historical or educational nature. An "exhibition boiler" includes steam locomotives, traction and portable steam engines, and stationary boilers of the firetube, watertube, and returntube class, model or miniature, and may be riveted, riveted and welded, or all welded construction, if used within the state solely for nonprofit purposes.

4. "Place of public assembly" means any building or portion of a building designed, intended, and used for occupation by persons for purposes of entertainment, instruction, or amusement and shall include theaters, motion picture theaters, hospitals, places of worship, schools, colleges, and institutions of health and custodial care, but does not include eating and drinking establishments.

5. "Power boiler" means a boiler in which steam or other vapor is generated at a pressure of more than fifteen pounds per square inch or a water boiler intended for operation at pressures in excess of one hundred sixty pounds per square inch or temperatures in excess of 250 degrees F.

6. "Special inspector" means an inspector who holds a commission from the commissioner and who is not a state employee.

7. "Steam heating boiler" means a boiler operating at not more than fifteen pounds per square inch; or a hot water heating boiler operating at not more than one hundred sixty pounds per square inch and not more than 250 degrees F. at the boiler outlet.

8. "Unfired steam pressure vessel" means a vessel or container used for the containment of steam pressure either internal or external in which the pressure is obtained from an external source.

Section History: Early form

[C62, 66, 71, 73, 75, 77, § 89.12; C79, 81, § 89.2]

Section History: Recent form

89 Acts, ch 321, § 26; 92 Acts, ch 1098, § 3

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