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Arizona Division of Occupational Safety and Health (ADOSH)
Boiler Safety Section

Bill Warren, Director
Emails: See under "Additional Contact Information" below
Phoenix Office
800 W Washington St, Phoenix AZ 85007
(PO Box 19070, Phoenix AZ 85005-9070)
Phone: (602) 542-5795
Toll Free: (855) 268-5251
FAX: (602) 542-1614
Tucson Office
2675 East Broadway, Tucson AZ 85716

Phone: (520) 628-5478
Toll Free: (855) 268-5251
FAX: (520) 322-8008

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The Boiler Program


Note:  The Boiler Program is equipment-oriented and not based upon employee exposure. As a result, cease-and-desist orders are issued without monetary penalties. Once violations are corrected, certificates of operation are issued, allowing the owner/operator to use the boiler.
Boiler Safety Section

Additional Contact information:
Renée Rincon, Administrative Assistant - (602) 542-1771
Email: Renee.Rincon@azdosh.gov

Randy Austin, Chief Boiler Inspector – (602) 542-1648
Email: Randy.Austin@azdosh.gov

FAX – (602) 542-1614

Mailing address:
Boiler Safety Section
P.O. Box 19070
Phoenix, AZ 85005-9070


Direct Website for the Arizona Boiler Act (Title 23, Chapter 2, Article 11) Downloadable Booklet Containing Latest Arizona Boiler Rules (PDF Format) Website for the National Board of Boiler and Pressure Vessel Inspectors Related Downloadable Forms
Duties and Responsibilities of the Boiler Safety Section
  • Recommend standards, regulations, and amendments to the Arizona Boiler Rules found in the Administrative Code Title 20 Chapter 5 Article 4.
  • Enforce the Arizona Boiler Rules and the Arizona Boiler Act – ARS Title 23 Chapter 2 Article 11 enacted in 1977.
  • Inspect boiler, and pressure vessel objects pursuant to the Arizona Boiler Rules and Arizona Boiler Act.
Inspection Activities

The Boiler Safety Section inspects boiler, and pressure vessel objects according to the following general criteria. Please review the Arizona Boiler Rules for a complete list of the requirements.


Objects Subject to the Arizona Boiler Rules
  • All newly installed, reinstalled, and existing boilers, direct-fired steam-jacketed kettles, and lined hot-water heaters operated in Arizona, except the following:
    • Boilers and lined hot-water heaters regulated by the U.S. government.
    • Boilers and lined hot-water heaters located in private residences or apartment complexes of not more than six units.
    • Boilers and lined hot-water heaters operated on Indian reservations.
    • A lined hot water heater that does not exceed any of the following:
      1. Heat input of 200,000 British thermal units per hour;
      2. Water temperature of 210°F; and
      3. Nominal water-containing capacity of 120 gallons.
Inspections Required
  • Power boilers (over 15 psi steam or vapor pressure):
    • An annual internal certificate inspection and an external inspection while under operating conditions (approximately six months apart).
  • High temperature (water) boilers (exceeding 160 psi and/or 250°F):
    • A certificate inspection every year.
  • Direct-fired steam-jacketed kettles:
    • A certificate inspection every two years.
  • Heating or process boilers, not exceeding 15 psi (steam or vapor):
    • A certificate inspection every two years.
  • Hot-water boilers operating at pressures not exceeding 160 psi or a temperature not exceeding 250°F:
    • An initial certificate inspection (may be external) with no further inspections required.
  • Lined hot-water heaters that exceed any of the following limitations:
      1. Heat input of 200,000 BTU per hour.
      2. Water temperature of 210°F.
      3. Nominal water-containing capacity of 120 gallons.
    • An initial certificate inspection (may be external) with no further inspections required.
  • Weld repairs, alterations, replacement of any power piping (pipe, valves, and fittings) operated above 15 psi stream, and/or major component replacement.

All inspected boiler objects are issued individual identification numbers starting with the letters "AZ". Inspection Certificates are issued to individual boiler objects upon compliance with the Arizona Boiler Rules.


Special Inspector Certificate

Inspections made by inspectors employed by insurance companies and issued a special inspection certificate by the chief boiler inspector are accepted in lieu of inspections made by a state inspector.


Miscellaneous
  • An owner, user, or operator shall immediately notify the Division of an explosion, severe overheating, or personal injury involving a boiler or lined hot water storage heater (R20-5-410).
  • A qualified attendant is required for operation of power boilers (R20-5-417-D).