Reference Source

Alabama

For Alabama, governing body is Alabama Department of Workforce; statute citation is Alabama State Statutes, Title 25. Labor, Chapter 12. The Boiler and Pressure Vessel Safety Act , Sections 25.12.1 through 25.12.22; power boiler inspection interval is one annual internal and external inspection; low-pressure boiler inspection interval is one biennial inspection with an internal inspection every four years; pressure vessel inspection interval is one biennial inspection with an internal inspection at the discretion of the inspector, recorded from its source on 2026-08-05.

State
Alabama
Governing body
Alabama Department of Workforce
Statute citation
Alabama State Statutes, Title 25. Labor, Chapter 12. The Boiler and Pressure Vessel Safety Act , Sections 25.12.1 through 25.12.22.
Power boiler inspection interval
one annual internal and external inspection unconfirmed
Low-pressure boiler inspection interval
one biennial inspection with an internal inspection every four years unconfirmed
Pressure vessel inspection interval
one biennial inspection with an internal inspection at the discretion of the inspector unconfirmed
Accepted inspector types
State deputy inspectors; insurance company inspectors holding a Certificate of Competency issued by the Secretary of Labor unconfirmed
Exemptions
Boilers and pressure vessels under federal control or under regulations of Title 49 of the Code of Federal Regulations, Parts 192 and 193; pressure vessels used for transportation and storage of compressed liquefied gases per US DOT specs; pressure vessels on vehicles under other state or federal authorities; air tanks on railroad rights-of-way; pressure vessels not exceeding 5 cubic feet/250 psig, 1-1/2 cubic feet/600 psig, or 6 inches inside diameter; pressure vessels with working pressure not exceeding 15 psig; water-containing vessels of 120 gallons or less; certain hot-water supply boilers not exceeding 200,000 BTU/hr, 210°F, 120 gallons; boilers and pressure vessels operated and maintained for electricity production; boilers and pressure vessels operated as part of a manufacturing process; boilers or pressure vessels subject to OSHA standards; public utility boilers; autoclaves for sterilization; farm agricultural boilers; heating boilers in private residences or apartment houses of fewer than six family units; pressure vessels as parts of electrical circuit breakers or transformers; remote oil/gas lease pressure vessels; LP gas storage vessels under state fire marshal; air storage tanks not exceeding 16 cubic feet/120 gallons/250 psig; all pressure vessels associated with oil, natural gas, and related operations unconfirmed
Sourcenationalboard.org
Verified2026-08-05
Review by2027-08-05
DatasetUS boiler and pressure vessel inspection requirements by state

Values marked unconfirmed are shown, but we could not tie them to the quote below: Accepted inspector types, Exemptions, Low-pressure boiler inspection interval, Power boiler inspection interval, Pressure vessel inspection interval. Read the quote and judge them yourself.

What the source says

Wiggins, Jr., Director of Inspections, Chief Inspector Alabama Department of Workforce 50 N Ripley Street Montgomery, AL 36131 Telephone — 334.956.7412 Email — [email protected] Fax ­— 334.956.7405 EMPOWERMENT Boiler Board: Yes. (Contact above official for more information.) DATE OF LAW PASSAGE: 2000 Date rules and regulations implemented: February 2004. State statute: Alabama State Statutes, Title 25. Labor, Chapter 12. The Boiler and Pressure Vessel Safety Act , Sections 25.12.1 through 25.12.22. RULES FOR CONSTRUCTION AND STAMPING Construction:

nationalboard.org, retrieved 2026-08-05

Source

Last verified against source: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.