Laws, Rules and Regulations - The National Board of Boiler and ...

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2. Boilers and pressure vessels located on farms and used solely for agricultural purposes.
3. Heating boilers which are located in private residences or in apartment houses of fewer than six family units.
4. Hot-water supply boilers, not exceeding the following:
a. 200,000 BTU per hour input;
b. 160 psig;
c. 250°F.
5. Portable steam cleaners of the type commonly used in garages.
6. Miniature hobby boilers not exceeding an inside diameter of 10 inches and a grate area not exceeding 1-1/2 square feet
(properly equipped with a safety valve, water level indicator, and pressure gage).
7. Electric boilers used as an integral part of an espresso coffee machine, provided the boiler does not exceed:
a. 1-1/2 cubic feet in water capacity;
b. 50 psi pressure.
8. All pressure vessels within the scope of ASME Code (2010 Edition), Section VIII, Divisions 1, 2, 3, with these exceptions:
a. Pressure vessels under federal control;
b. Pressure vessels that do not exceed:
i. 30 water gallons in volume (4 cubic feet) and 250 psig in pressure;
ii. 1-1/2 cubic feet in volume and 600 psig in pressure;
iii. Inside diameter of 6 inches with no limitation on pressure.
ObJeCtS SUbJeCt tO rUleS FOr FIelD InSpeCtIOn
Same as OBJECTS SUBJECT TO RULES FOR CONSTRUCTION AND STAMPING. Field inspection of pressure vessels (other than
anhydrous ammonia pressure vessels) is not required.
InSpeCtIOnS reQUIreD
Item Internal External
High-pressure boilers 1 Year 1 Year*
Low-pressure steam boilers, steel 2 Years 2 Years
Cast-iron boilers — 2 Years
Hot-water heating and hot-water supply boilers — 2 Years**
Hot-water heating and hot-water supply boilers in apartments — 3 Years
*External inspection while under pressure.
**One annual external inspection for those located in nursing homes, schools, nursery schools, and kindergartens.
InSUranCe InSpeCtIOn reQUIrementS
1. Inspections made by inspectors employed by National Board approved Authorized Inspection Agencies and commissioned
by the department are accepted in lieu of inspections made by a department inspector with respect to boilers
insured or inspected by their respective companies.
2. Inspections made by inspectors employed by owners/users and commissioned by the department are accepted in lieu of
inspections made by a department inspector.
3. Reports of all inspections must be filed with the department on special state forms within 15 days after inspection.
4. The department must be notified within 30 days of suspension of insurance on account of dangerous conditions, discontinuance
or refusal of insurance, and new business.
5. There is a $20.00 per year fee for each Certificate of Inspection issued. Payment of this fee is the responsibility of the
owner/user.
6. Insurance companies are required to inspect those objects they insure. If an inspection report is not filed within 90 days
of the certificate due date, the state may make the inspection and must bill the insuring company an inspection fee not
to exceed $500.00 per day plus expenses.
7. The State of North Dakota will make all initial inspections.
2013 National Board Synopsis of Boiler and Pressure Vessel Laws, Rules and Regulations