Section R20-5-402. Definitions

In this Article, unless the text otherwise requires:

1.        “Act” means A.R.S. Title 23, Chapter 2, Article 11.

2.        “Alteration” means any change in the item described on the original manufacturer’s data report which affects the pressure-containing capability of the boiler or pressure vessel, including but not limited to:

a.        Non physical changes such as an increase in the maximum allowable working pressure either inter- nal or external, or

b.        A reduction in minimum design temperature of a boiler or pressure vessel requiring additional mechanical tests.

3.        “ANSI” means American National Standards Institute, Inc., located at 25 W. 43rd Street, 4th Floor, New York, NY 10036 or at http://www.ansi.org/.

4.        “Apartment house” means a building with multiple fam- ily dwelling units, not used for commercial purposes, including condominiums and townhouses, where boilers are located in a common area outside of the individual dwelling units, such as a boiler room.

5.        “Applicant” means an individual requesting permission to act as a special inspector under A.R.S. § 23-485.

6.        “ASME Code” means the American Society of Mechani- cal Engineers Boiler and Pressure Vessel Code, Sections I, II, IV, V, VIII and IX, published by ASME Interna- tional.

7.        “ASME International” means a not for profit professional organization that promotes the art, science and practice of mechanical and multidisciplinary engineering and allied sciences throughout the world.

8.        “Authorized Inspector” means an authorized representa- tive under A.R.S. § 23-471(1) or a special inspector under

A.R.S. § 23-485.

9.        “Authorized representative” means the boiler chief or boiler inspector employed by the Division.

10.     “Blowdown tank” or “Blowdown separator” means an ASME-stamped vessel designed to receive discharged steam or hot water from a boiler blowoff or blowdown piping system.

11.     “Boiler” means a closed vessel in which fluid is heated for use external to itself by the direct application of heat resulting from the combustion of fuel, solid, liquid, or gaseous, or by the use of electricity.

12.     “Certificate of Competency” means a person who has passed the National Board Exam.

13.     “Certificate Inspection” means an internal inspection, when construction allows; otherwise, it means as com- plete an inspection as possible.

14.     “Condemned” means a boiler or lined hot water heater that has been inspected and found to be unsafe by the Director or authorized inspector and has been stamped or tagged with the code XXX AZ8 XXX.

15.     “CSD-1” means Controls and Safety Devices for Auto- matically Fired Boilers, published by ASME Interna- tional, incorporated by reference in R20-5-404(A)(4).

16.     “Direct fired jacketed steam kettle” means a pressure ves- sel with inner and outer walls that is subject to steam pressure and stress, is used to boil or heat liquids or to cook food, and falls under the scope of Section VIII, Division 1, Appendix 19 (Electrically Heated or Gas Fired Jacketed Steam Kettles) of the ASME Boiler and Pressure Vessel Code incorporated by reference in R20-5- 404(A).

17.     “External inspection” means an examination of a boiler or lined hot water heater performed by an authorized inspector when the boiler or lined hot water heater is in operation.

18.     “Forced circulation hot water heater” means a hot water heater used for potable water, a hot water heater requiring movement of water to prevent overheating and failure of the tubes or coils, and has no definitive waterline.

19.     “Fully attended power boiler” means a power boiler that is operated by an individual who meets the requirements of R20-5-408(C), and whose primary function is the care, maintenance, and operation of the boiler and the equip- ment associated with the boiler system.

20.     “High temperature water boiler” means a boiler in which water is heated and operates at a pressure in excess of 160 psig (1.1 MPa) and/or temperature in excess of 250º F.

21.     “Historical boilers” means steam boilers of riveted con- struction, preserved, restored, or maintained for hobby or demonstration use.

22.     “Inspection certificate” means a document issued by the Division for the operation of a boiler, lined hot water heater or direct fired jacketed steam kettles when a certif- icate inspection has been successfully completed.

23.     “Internal inspection” means a complete examination of the internal and external surfaces of a boiler or lined hot water heater by an authorized inspector after the boiler or lined hot water heater is shut down.

24.     “Lined hot water heater” means the same as lined hot water storage heater defined in A.R.S. § 23-471(10) as a vessel which is closed except for openings through which water can flow, that includes the apparatus by which heat is generated and on which all controls and safety devices necessary  to  prevent  pressures   greater  than  160  psig

(1100 kPa gage) and water temperature greater than 210º F are provided, in which potable water is heated by the combustion of fuels, electricity, or any other heat source and removed for external use.

25.     “MAWP” means maximum allowable working pressure.

26.     “National Board Commissioned Inspector” means an individual who holds a valid and current National Board Commission issued by the National Board of Boiler and Pressure Vessel Inspectors, 1055 Crupper Avenue, Columbus, OH 43229-1183.

27.     “National Board Registration Number” means a unique number issued to a boiler, hot water heater or pressure vessel by the manufacturer and recorded with the National Board of Boiler and Pressure Vessel Inspectors.

28.     “NFPA” means National Fire Protection Association.

29.     “Non-Standard Boiler” means any boiler, hot water heater or pressure vessel that is not constructed or main- tained to the standards incorporated by reference of this Article.

30.     “Owner” or “Operator” means any individual or organi- zation, including this state and all political subdivisions of this state, who have title, control or duty to control, the operation of one or more boilers, lined hot water heaters or pressure vessels.

31.     “Portable boiler” means a boiler permanently affixed to a trailer with wheels, that is totally self-contained while operating, and not attached to any other object either by pipe, hose or wire.

32.     “Relief valve” means an ASME-stamped automatic pres- sure relieving device designed for liquid service which is actuated by the pressure upstream of the valve and opens further with an increase in pressure above the stamped pressure.

33.     “Repairs” means work necessary to restore a boiler, lined hot water heater or pressure vessel to operating condition that complies with this Article.

34.     “Safety relief valve” means an ASME-stamped automati- cally pressure-actuated relieving device designed for use either as a safety valve or as a relief valve.

35.     “Safety valve” means an ASME-stamped automatic pres- sure relieving device designed for steam or vapor service which is actuated by the pressure upstream of the valve and characterized by full opening pop-action.

36.     “Secondhand” means a boiler, lined hot water heater or pressure vessel that has changed both location and owner- ship since original installation.

37.     “Shelter” means a permanent structure that provides pro- tection from the weather.

38.     “Special Inspector” means any authorized inspector who is issued an Arizona Commission but is not employed by the state of Arizona.

39.     “State Identification Number” means a unique number assigned by the Division to a boiler, hot water heater or pressure vessel installed in Arizona.

40.     “User” means a person or entity that does not have legal title to a boiler, lined hot water heater or pressure vessel, but has control and responsibility for the operation of a boiler, lined hot water heater or pressure vessel.

Historical Note

Former Rules B-2.1 through B-2.6. Former Section R4- 13-402 repealed, new Section R4-13-402 adopted effec- tive April 12, 1979 (Supp. 79-2). Amended effective

March 31, 1981 (Supp. 81-2). Amended effective May

11, 1981 (Supp. 81-3). Amended effective May 31, 1985 (Supp. 85-3). Section R4-1-402 repealed, new Section adopted effective April 9, 1992 (Supp. 92-2). R20-5-402

recodified from R4-13-402 (Supp. 95-1). Amended effec- tive October 9, 1998 (Supp. 98-4). Amended by final

rulemaking at 15 A.A.R. 1496, effective August 18, 2009

(Supp. 09-3).