North Dakota Administrative Code
Title 33.1 - Department of Environmental Quality
Article 33.1-14 - NORTH DAKOTA BOILER RULES
Chapter 33.1-14-11 - HOBBY BOILER OPERATOR LICENSING
Section 33.1-14-11-07 - Hobby boiler operation

Universal Citation: ND Admin Code ยง 33.1-14-11-07

Current through Supplement No. 394, October, 2024

1. Notwithstanding any other provision of this section and with the exception of the operation of miniature boilers, two licensed operators or a licensed operator and an apprentice operator must be in attendance on a hobby boiler during a parade or plowing demonstration or during belt operation. At least one licensed operator must be in attendance on a hobby boiler at all other times except when it is considered safe for a hobby boiler operator to leave the hobby boiler as described in subsection 2.

2. A hobby boiler operator is required to be in attendance on a hobby boiler any time the steam pressure is above fifteen pounds per square inch [103.42 kilopascals] gauge and rising unless all of the following conditions are met:

a. The water is above the one-third level in the gauge glass;

b. The fire is extinguished or banked;

c. All draft doors are closed;

d. The main steam outlet valve or dome valve is closed; and

e. The boiler pressure is at least twenty pounds per square inch [137.90 kilopascals] gauge below the safety valve set pressure and the boiler pressure is decreasing.

General Authority: NDCC 23.1-16

Law Implemented: NDCC 23.1-16

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