OSHA Requirements for a Job Safety Analysis
Let's say the uncomfortable part first: no OSHA standard requires a document called a "Job Safety Analysis." Search 29 CFR 1926 for the phrase and you will not find a rule that says "prepare a JSA." Anyone who tells you OSHA mandates a JSA by name is selling something. What OSHA does require — in several places, with teeth — is the analysis a JSA performs: look at the task, find the hazards, control them, and in some cases prove in writing that you did. A JSA is simply the document the industry settled on for showing exactly that.
The standards that effectively demand one
The employer's baseline duties
Section 5(a)(1) of the OSH Act — the General Duty Clause — requires a workplace free from recognized hazards likely to cause death or serious harm. For construction, 29 CFR 1926.20(b) requires accident prevention programs with regular inspections by competent persons. Neither says "JSA" — but when an incident happens, "show us how you identified and controlled the hazards of this task" is the first question, and a task-specific JSA is the standard answer.
The PPE hazard assessment — the closest thing to a mandate
29 CFR 1910.132(d) requires employers to assess the workplace to determine if hazards are present that necessitate PPE, select the right PPE accordingly, and certify in writing that the assessment was done — who did it, when, and for which workplace. That is a written, task-level hazard assessment required by rule. A JSA that names each step's hazards and ends its control lists with the PPE that remains necessary satisfies the substance of this assessment while doing far more.
Standards that require a documented, task-specific analysis
- Confined spaces — 29 CFR 1926 Subpart AA. Before anyone enters, spaces must be identified and evaluated, and permit-required spaces need a written permit program covering hazards and controls (1926.1203–1204). That evaluation is a hazard analysis.
- Fall protection plans — 29 CFR 1926.502(k). Where conventional fall protection is infeasible, a written, site-specific plan prepared by a qualified person is required — a hazard analysis with a signature.
- Process safety — 29 CFR 1910.119(e). Covered processes require a formal process hazard analysis, revalidated on a schedule. Different scale, same logic.
- Pre-task rules throughout 1926. Excavation requires utility location and daily competent-person inspections (1926.651); cranes require assembly/disassembly planning; steel erection requires a site-specific erection plan in defined cases. Each is a slice of job analysis required before the work.
Federal contracts: where it stops being optional
On US Army Corps of Engineers work, EM 385-1-1 requires an Activity Hazard Analysis before each definable feature of work, reviewed at the preparatory meeting. That is a contract requirement enforced at the submittal stage — the closest thing in US practice to "no analysis, no work."
What an inspector actually asks to see
After an incident or during a programmed inspection, the paperwork questions run in a predictable order: How did you identify the hazards of this task? Where are the controls documented? Did the crew doing the work know them — can you show training or sign-off? Is the document current for the conditions that existed that day? A JSA that is task-specific, dated, control-ordered and signed by the crew answers all four in one exhibit. A generic template with yesterday's date answers none of them, whatever it is titled.
The practical standard of care
Between OSHA's required assessments, GC contract terms, insurer expectations and what plaintiffs' attorneys ask for in discovery, the working rule on US sites is simple: high-risk tasks get a written, task-specific hazard analysis before work starts, and the crew signs it. Whether your title block says JSA, JHA or AHA is a naming question, not a compliance one.
FAQ
Does OSHA require a JSA?
No standard requires a document by that name. Several require the analysis a JSA performs — most concretely the written PPE hazard assessment of 1910.132(d) and the permit-space evaluations of 1926 Subpart AA — and a JSA is the accepted way to show the analysis was done.
Can an inspector cite me for not having one?
Not for the missing acronym. Citations attach to the hazard that was not controlled, or to a specific standard whose required assessment or plan you cannot produce. The JSA is your evidence, not the obligation itself.
Do federal projects require one?
Corps of Engineers projects do, by contract: EM 385-1-1 requires an Activity Hazard Analysis before each definable feature of work. See our EM 385-1-1 compliance guide.
Produce the evidence in minutes, not evenings
JSA Generator drafts a task-specific JSA with hierarchy-ordered controls and a 4-band risk matrix, renders it to US Letter, and collects crew signatures by QR code — the four things an inspector asks about, in one document.
Start free JSA examples by work activityAlso worth reading: The OSHA JSA template checklist · JSA vs JHA