# Alabama — US boiler and pressure vessel inspection requirements by state

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 _(verified: appears in the quote below)_
- **Governing body:** Alabama Department of Workforce _(verified: appears in the quote below)_
- **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. _(verified: appears in the quote below)_
- **Power boiler inspection interval:** one annual internal and external inspection
- **Low-pressure boiler inspection interval:** one biennial inspection with an internal inspection every four years
- **Pressure vessel inspection interval:** one biennial inspection with an internal inspection at the discretion of the inspector
- **Accepted inspector types:** State deputy inspectors; insurance company inspectors holding a Certificate of Competency issued by the Secretary of Labor
- **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

## 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 — edward.wiggins@workforce.alabama.gov 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:

## Source

- https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US boiler and pressure vessel inspection requirements by state](https://referencesource.org/boiler-inspection-requirements-by-state/).