Subdivision 1. Scope. For the purpose of sections 326B.90 to 326B.925, the following terms have the meanings given them.

Subd. 2. Board. "Board" means the Board of High Pressure Piping Systems.

Subd. 3. Master high pressure pipefitter. "Master high pressure pipefitter" means an individual, such as a steamfitter, engaged in the planning, superintending, and practical installation of high pressure piping and appurtenances, and otherwise lawfully qualified to construct high pressure piping installations and make replacements to existing plants, who is also qualified to conduct the business of high pressure piping installations and who is familiar with the laws, rules, and minimum standards governing them.

Subd. 4. High pressure piping. "High pressure piping" means all high pressure piping used in the installation of hot water or steam heating boilers, any systems of piping hot water or other medium used for heating that exceed 30 p.s.i. gauge and 250 degrees Fahrenheit, or any system of high pressure steam, ammonia piping, or bioprocess piping, but shall not include any high pressure piping under the direct jurisdiction of the United States.

Subd. 5. High pressure steam. "High pressure steam" means a pressure in excess of 15 pounds per square inch.

Subd. 6. Journeyworker high pressure pipefitter. "Journeyworker high pressure pipefitter" means an individual, such as a steamfitter, who is not a master high pressure pipefitter and who is engaged in the practical installation of high pressure piping and appurtenances in the employ of a master high pressure pipefitter.

Subd. 7. Municipality. "Municipality" means a statutory or home rule charter city.

Subd. 8. Pipefitter apprentice. A "pipefitter apprentice" is an individual employed in the trade of the practical construction and installation of high pressure piping and appurtenances under an apprenticeship agreement approved by the department under section 178.07.

History: 1984 c 481 s 2; 1987 c 132 s 1; 1989 c 22 s 1; 1994 c 465 art 1 s 42; 2006 c 241 s 4; 2007 c 140 art 10 s 2-6,11; art 13 s 4; 2016 c 158 art 1 s 174; 2017 c 68 art 1 s 13,14,26; 1Sp2017 c 7 s 8