Reference Source

Louisiana

For Louisiana, governing body is Louisiana State Fire Marshal Office, Mechanical Safety Section; statute citation is Louisiana Revised Statutes, Title 23, Chapter 5, Part III, Regulations Affecting Boilers; power boiler inspection interval is An annual external certificate inspection followed by an internal certificate inspection approximately six months after each external inspection. The interval between internal inspections may be extended for a period not to exceed 24 months on a stationary boiler provided certain conditions are met. Internal inspections may be extended up to 60 months on boilers that are adjunct to or part of a continuous process; low-pressure boiler inspection interval is A certificate inspection will be conducted biennially: Steam or vapor boilers: An external inspection and internal inspection biennially where construction permits; Hot-water heating and hot-water supply boilers: An external certificate inspection biennially, and – where construction permits — an internal inspection every six years based on date of construction; Potable water boilers/hot-water heaters: An external certificate inspection biennially; accepted inspector types is Inspections made by inspectors employed by insurance companies and commissioned by the department are accepted in lieu of inspections made by deputy boiler inspectors, recorded from its source on 2026-08-05.

State
Louisiana verified
Governing body
Louisiana State Fire Marshal Office, Mechanical Safety Section
Statute citation
Louisiana Revised Statutes, Title 23, Chapter 5, Part III, Regulations Affecting Boilers verified
Power boiler inspection interval
An annual external certificate inspection followed by an internal certificate inspection approximately six months after each external inspection. The interval between internal inspections may be extended for a period not to exceed 24 months on a stationary boiler provided certain conditions are met. Internal inspections may be extended up to 60 months on boilers that are adjunct to or part of a continuous process.
Low-pressure boiler inspection interval
A certificate inspection will be conducted biennially: Steam or vapor boilers: An external inspection and internal inspection biennially where construction permits; Hot-water heating and hot-water supply boilers: An external certificate inspection biennially, and – where construction permits — an internal inspection every six years based on date of construction; Potable water boilers/hot-water heaters: An external certificate inspection biennially.
Accepted inspector types
Inspections made by inspectors employed by insurance companies and commissioned by the department are accepted in lieu of inspections made by deputy boiler inspectors.
Exemptions
Boilers under federal control. Boilers on steam fire engines brought into the state for temporary use in times of emergency. Portable boilers used for agricultural purposes only. Boilers built for a pressure of 15 psig or less, for noncommercial use. All potable water boilers and hot-water heaters, except the provisions of the section shall not be applicable to Potable water boilers below one hundred twenty gallon capacity and less than two hundred thousand BTUs.
Sourcenationalboard.org
Verified2026-08-05
Review by2027-08-05
DatasetUS boiler and pressure vessel inspection requirements by state

What the source says

Louisiana Revised Statutes, Title 23, Chapter 5, Part III, Regulations Affecting Boilers .

nationalboard.org, retrieved 2026-08-05

Source

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