20 CAR § 880-701 – Minimum standards

(a) All new and used boilers, unfired pressure vessels, and steam-generating apparatuses installed in the state shall be built to conform with the several specifications and provisions of the Boiler and Pressure Vessel Construction Codes of the American Society of Mechanical Engineers (ASME), 2004 edition, specifically, the following sections of the ASME codes, 2004 edition, are adopted by reference and incorporated herein:
1. (1) Sec. I, Power Boilers;
2. (2) Sec. II, Material Specifications;
3. (3) Sec. III, Subsection NCA, General Requirements for Divisions 1 & 2;
4. (4) Sec. IV, Heating Boilers;
5. (5) Sec. V, Nondestructive Examination;
6. (6) Sec. VI, Recommended Rules for care and operation of heating boilers;
7. (7) Sec. VII, Recommended guidelines for the care of power boilers;
8. (8) Sec. VIII, Pressure Vessels Divisions 1 and 2;
9. (9) Sec. IX, Welding and Brazing Qualifications;
10. (10) Sec. X, Fiberglass-reinforced plastic pressure vessels;
11. (11) Sec. XI, Rules for in-service inspections of nuclear power plants; and
12. (12) B31.1, Power Piping.
(b) The minimum standards for controls and safety devices shall be Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME, CSD-1, 1998 edition and 1999 addenda, which is adopted by reference and incorporated herein.
(c) The minimum standards for conducting inspections of boilers and pressure vessels shall be Part RB, In-service Inspection of Pressure-Retaining Items, of the National Board Inspection Code, 2004 edition, which is adopted by reference and incorporated herein.
(d) The minimum standards for repairs shall be Part RC (Repairs & Alterations) of the National Board Inspection Code, 2004 edition, which is adopted by reference and incorporated herein.
(e) The minimum standards for storage and handling of anhydrous ammonia shall be the American National Standards Institute (ANSI), K61.1, Safety Requirements for the Storage and Handling of Anhydrous Ammonia, 1989 edition, which is adopted by reference and incorporated herein, as well as applicable ASME code provisions.
(f) This section does not include any later amendments or editions of the standards incorporated by reference.
(g) Copies of these standards incorporated by reference can be viewed in the offices of the Boiler Inspection Division or can be obtained by contacting the following:
1. (1) The ASME codes are available through: American Society of Mechanical Engineers 22 Law Drive P. O. Box 2300 Fairfield, NJ 07007-2300 1-800-843-2763 www.asme.org
2. (2) The National Board of Boiler and Pressure Vessel Inspectors Inspection Code is available through: National Board of Boiler and Pressure Vessel Inspectors 1055 Crupper Avenue Columbus, OH 43229-1183 614-888-8320 www.nationalboard.org
3. (3) The American National Standards Institute (ANSI) Standards are available through: American National Standards Institute 25 West 43rd Street New York, NY 10036 www.ansi.org
(h) Exemptions are listed under Arkansas Code § 20-23-102, 20 CAR § 880-604, and the referenced ASME codes listed above.
(i)
1. (1) The provisions of Arkansas Code § 20-23-101 et seq., and this part may differ from the language of the ASME codes concerning construction or exemptions.
2. (2) In such cases, state statutes and this part override the ASME.
3. (3) In the event there is a conflict between an ASME code and a statute or other rule adopted by the Boiler Inspection Division, such statute or other rule shall apply and control.
(j) All boilers and pressure vessels shall be stamped “National Board” unless exceptions are made by this part.
(k)
1. (1) Fired storage water heaters rated two hundred thousand British thermal units (200,000 Btu) and below are exempt from ASME construction and National Board of Boiler and Pressure Vessel Inspectors registration.
2. (2) These objects are not exempt from state inspection.
3. (3) All such objects located in schools, hospitals, nursing homes, and daycare centers shall be inspected annually.
(l)
1. (1) The hydrostatic test pressure of both new and used boilers and pressure vessels shall be obtained from the vessel’s data report or vessel nameplate.
2. (2) For boilers, the test pressure shall at no time exceed ninety percent (90%) of its yield strength.
3. (3) For unfired pressure vessels, the test pressure shall at no time exceed one and three-tenths (1.3) times the MAWP (maximum allowable working pressure) at any point within the vessel.
4. (4) Pneumatic testing of a pressure vessel shall not exceed one and one-tenth (1.1) times the MAWP stamped on the vessel.
(m)
1. (1) Boilers below fifty (50) horsepower are not subject to the additional hydrostatic test requirements outlined in the ASME code for boilers that have been hydrostatically tested at the manufacturer, and for which the boiler external piping has not been shipped with the boiler.
2. (2) Boiler external piping for these boilers, which must be separately manufactured, shall be tested in accordance with B31.1 and code stamped if required.