Subpart 1.
Scope.
The terms used in parts
5230.0005 to
5230.5920 and Minnesota Statutes,
sections
326B.91 and
326B.921
to
326B.925,
have the meanings given them in this part.
Subp. 2.
Administrative
authority.
"Administrative authority" means the inspection agency
authorized to inspect high pressure piping under Minnesota Statutes, sections
326B.90
and
326B.92,
subdivision 2.
Subp. 3.
Ammonia piping system.
"Ammonia piping system" means a piping system conveying ammonia
that is used for refrigeration.
Subp.
4.
ASME.
"ASME" means the American Society of Mechanical
Engineers.
Subp. 5.
Bioprocess piping.
"Bioprocess piping" means piping and equipment used for
conveying living organisms for medical, research, or pharmaceutical purposes,
but does not include piping used to make bio food products or treat
waste.
Subp. 6.
Bioprocess piping system.
"Bioprocess piping system" means a piping system for bioprocess
piping.
Subp. 7.
Contractor.
"Contractor" means an entity with a valid high pressure piping
business license, as described in Minnesota Statutes, section
326B.921,
subdivision 2.
Subp. 8.
Department.
"Department" means the Department of Labor and Industry.
Subp. 9.
Direct
supervision.
"Direct supervision," with respect to direct supervision of an
unlicensed individual by a licensed contracting high pressure pipefitter or a
licensed journeyman high pressure pipefitter, means that:
A. at all times while the unlicensed
individual is performing high pressure piping work, the supervising pipefitter
is present at the location where the unlicensed individual is
working;
B. the supervising
pipefitter is physically present and immediately available to the unlicensed
individual at all times for assistance and direction;
C. electronic supervision does not meet the
requirements of item B;
D. the
supervising pipefitter reviews the high pressure piping work performed by the
unlicensed individual before the high pressure piping system is operated or
placed in service; and
E. the
supervising pipefitter is able to and does determine that all high pressure
piping work performed by the unlicensed individual is performed in compliance
with this chapter.
Subp.
10.
High pressure piping system.
"High pressure piping system" means:
A. a steam or heating media piping
system;
B. an ammonia piping
system; or
C. a bioprocess piping
system.
Subp. 11.
High pressure piping work.
"High pressure piping work" means activities for which a
contracting or journeyman high pressure pipefitter license is required under
Minnesota Statutes, section
326B.921,
subdivision 1.
Subp. 12.
Other medium used for heating.
"Other medium used for heating" means hot oil or other liquid
that transfers heat without a phase change. Other medium used for heating does
not include products within refinery and chemical process complexes that
exchange heat with other product streams as part of the core process.
Subp. 13.
Pipefitting
laws.
"Pipefitting laws" means this chapter, chapter 5231, and
Minnesota Statutes, sections
326B.90
to
326B.925.
Subp. 14.
Piping
system.
"Piping system" means the method of conveying liquid, vapor,
steam, water, ammonia, or other medium from one point to another and includes
all component parts, accessories, apparatus, equipment, or appurtenances
necessary for proper and safe operation according to this chapter. Piping
system includes pipes, flanges, bolting, gaskets, valves, fittings, the
pressure-containing elements or portions of the system, piping and equipment
supporting elements, hangers, or structural attachments.
Subp. 15.
Power piping system.
"Power piping system" means high pressure piping system.
Subp. 15a.
Registered
unlicensed individual.
"Registered unlicensed individual" means an individual who
is:
A. employed in the trade of the
practical construction and installation of high pressure piping and
appurtenances by a licensed high pressure piping business; and
B. registered with the department under part
5230.0035.
Subp. 16.
Steam or heating media
piping.
"Steam or heating media piping" means any system of piping hot
water or other medium used for heating that exceeds 30 p.s.i. gauge and 250
degrees Fahrenheit, or any system of piping high pressure steam in excess of 15
p.s.i. gauge.
Subp. 17.
Steam or heating media piping system.
"Steam or heating media piping system" means a piping system
for steam or heating media piping.
