Plenty of sites use SWMS and JSA as if they meant the same thing. They generally don't, and it matters when someone asks to see one.

The short answer
A SWMS (safe work method statement) is the document the regulations require before high risk construction work starts. A JSA (job safety analysis) is a method for working through the hazards of a task. Safe Work Australia says a SWMS is generally different from documents like a JSA, which focus on specific tasks or processes.
What a SWMS is
It sets out the high risk construction work, its hazards and how the risks will be controlled. Safe Work Australia lists the high risk activities and says a SWMS has to be prepared before the work starts. It describes a SWMS as a tool to help supervisors and workers confirm and monitor control measures, rather than a procedure. Our SWMS explainer goes through it in plain English.
What a JSA is
A JSA breaks a job into steps, spots the hazards in each step and decides what to do about them. In the US, OSHA describes the same kind of technique, which it calls a job hazard analysis, as one that focuses on job tasks as a way to identify hazards before they occur.
How a JSA is done
- Pick the task and break it into steps.
- Look at each step and note what could cause harm.
- Decide how each hazard will be eliminated or reduced.
- Have the people doing the job read it and sign on before they start.
How they compare
A SWMS
- Required before high risk construction work starts
- Covers the high risk work, its hazards and how the risks will be controlled
- Kept at the workplace and available until the work is finished (Safe Work Australia)
A JSA
- Generally a separate document (Safe Work Australia)
- Focuses on a specific task or process
- Breaks the task into steps, with hazards and controls for each
Can one replace the other?
Safe Work Australia describes a SWMS as generally different from a JSA, and says a SWMS has to be prepared before high risk construction work starts. If your job includes that kind of work, check you have a SWMS and not only a JSA.
Which one do you need?
Ask three questions:
- Is any of the job high risk construction work? If so, a SWMS is needed before you start. Safe Work Australia lists the activities, and a risk of falling more than 2 metres is one of them.
- What does the site ask for? Your principal contractor may want a SWMS, a JSA, or both.
- Who's carrying out the work? Safe Work Australia says the business carrying out the high risk construction work prepares the SWMS, and gives a copy to the principal contractor.
JSA, JHA and other names
The same task-by-task method goes by different names depending on the business and industry. OSHA uses job hazard analysis (JHA). If a site asks for a JSA, a JHA or something similar, check what they expect it to cover.
Frequently asked questions
Is a SWMS the same as a JSA?
Safe Work Australia says a SWMS is generally different from documents like a JSA or a Safe Operating Procedure, which focus on specific tasks or processes.
When is a SWMS required?
Before high risk construction work starts. Safe Work Australia lists the activities.
Do I need both?
It depends on the work. If it includes high risk construction work you need a SWMS. Whether you also use a JSA is down to your business and your site's requirements.
Where does a SWMS have to be kept?
Safe Work Australia says at the workplace, available for inspection until the high risk construction work is finished.
Who has to prepare a SWMS?
Safe Work Australia says the business carrying out the high risk construction work, which also gives a copy to the principal contractor.
Want to see them side by side? Here's the free SWMS template and the free JSA template, each with a filled-in example.
Where digital forms help
Either document only does its job if it's completed, signed and easy to find afterwards. Shadow Forms puts the forms you already use on your crew's phones, and every completed one lands on your dashboard. For a JSA, the AI JSA tool drafts the bulk of it from a short job description, ready for you to add the residual risk ratings and control measures, then sign and date it.
We build forms software, not safety advice. The above is a plain-English summary of what the regulators publish, and the links go to them. For your own site and your own job, check with your state regulator or someone qualified.
Try it free for 14 days, no card required, and we'll set it up with you.

