What Is a SWMS?
A Safe Work Method Statement (SWMS) is a written document that sets out how high-risk construction work will be carried out safely on a specific site. It identifies hazards, assesses risks, and details the control measures used to protect workers.
Under the Work Health and Safety (WHS) Regulations, a SWMS is legally required before any high-risk construction work begins.
The 19 High-Risk Construction Work Categories
The regulations define 19 categories. These include:
- Working at heights above 2 metres
- Demolition work
- Work near or with live electrical installations or services
- Excavation to a depth greater than 1.5 metres
- Work in a confined space
- Structural alterations requiring temporary support
- Work on or near pressurised gas, fuel lines, or chemical pipelines
- Work involving diving, tunnelling, or the use of explosives
- Work near traffic or mobile plant on a construction site
What Happens Without One?
If your job involves any of these activities and you don't have a SWMS prepared and signed before work starts, you are in breach of the law.
Regulators can issue improvement notices, prohibition notices, or on-the-spot fines. Serious non-compliance can result in prosecution with penalties in the hundreds of thousands of dollars.
A SWMS is not a general safety plan. It is specifically tied to the high-risk construction work happening on a particular site, on a particular job. That distinction is one of the most common areas where tradies get it wrong.
Who Is Responsible for the SWMS?
The PCBU (Person Conducting a Business or Undertaking) carrying out the high-risk construction work is responsible for ensuring a SWMS is prepared. In practice, this is usually the contractor or subcontractor performing the work.
If you are a sole trader doing high-risk construction work, you are the PCBU. If you run a crew, you must make sure the SWMS is prepared, that workers are consulted, and that everyone has read and signed it before starting.
Three Layers of Responsibility
Document these in your SWMS:
- Implementation - who puts the controls into action on site (usually the leading hand or site foreman)
- Monitoring - who checks that controls are being followed during the work (often the supervisor or project manager)
- Compliance - who holds overall accountability for making sure the SWMS meets legal requirements (the PCBU)
Each role should be named. Vague references like "site management" are not good enough. Use actual names and positions.
Section by Section: How to Fill It In
PCBU and Project Details
Start with the business and site details:
- PCBU business name - registered trading name of the entity doing the high-risk work
- ABN - your Australian Business Number
- Business address - your registered business address
- Site address - the specific location where the work is being performed
- Project name or description
- Principal contractor details - if you are a subcontractor, include the principal contractor's name and contact
- Date prepared and version number - update the version every time you revise the document
- Names and positions of people responsible for implementation, monitoring, and compliance
Identifying the High-Risk Work Activities
Clearly state which of the 19 high-risk construction work activities apply to this job. Most SWMS templates include a checklist. Tick every activity that is relevant - many jobs will involve more than one.
Be specific about the scope. Don't just tick "working at heights."
Write something like: "Installation of roof-mounted solar panels requiring work at heights above 2 metres on a pitched residential roof using scaffolding and fall arrest systems."
The more specific you are, the more useful the document becomes and the better it holds up under scrutiny.
Hazard Identification
This is the backbone of your SWMS. Walk through the job step by step, from mobilisation to pack-up. Identify every hazard that could cause harm at each stage.
Think systematically about:
- Falls - from ladders, scaffolding, roofs, edges, or penetrations
- Electrical - contact with live conductors, overhead power lines, underground cables
- Struck by or caught between - falling objects, moving plant, collapsing structures
- Manual handling - heavy or awkward loads, repetitive movements
- Plant and equipment - entanglement, crush points, rollovers
- Environmental - heat stress, UV exposure, high winds, rain, poor lighting, dust, noise
- Underground and overhead services - gas, water, sewer, telecommunications, power
- Chemical and biological - asbestos, silica dust, solvents, biological waste
- Traffic and vehicle movements - site vehicles, delivery trucks, public traffic nearby
Don't rush this section. Walk the site before you write the SWMS if possible. The hazards you identify here drive everything else in the document.
Risk Assessment
For each hazard, assess the level of risk before controls are applied. You are combining two factors.
Likelihood - how probable is it that someone will be harmed?
- Rare - could happen but only in exceptional circumstances
- Unlikely - could happen but not expected
- Possible - might happen at some point
- Likely - will probably happen
- Almost certain - expected to happen in most circumstances
Consequence - if someone is harmed, how severe could it be?
- Insignificant - no injury or first aid only
- Minor - minor injury requiring medical treatment
- Moderate - serious injury requiring hospital treatment
- Major - severe injury, long-term disability
- Catastrophic - death or multiple fatalities
Cross-reference these on a risk matrix to get a rating of Low, Medium, High, or Extreme.
| Likelihood | Insignificant | Minor | Moderate | Major | Catastrophic |
|---|---|---|---|---|---|
| Rare | Low | Low | Medium | High | High |
| Unlikely | Low | Low | Medium | High | Very High |
| Possible | Low | Medium | High | Very High | Extreme |
| Likely | Medium | High | High | Very High | Extreme |
| Almost Certain | Medium | High | Very High | Extreme | Extreme |
Any hazard rated High or Extreme must have strong controls in place before work proceeds. Extreme risks may require the work method to be redesigned entirely.
Control Measures - The Hierarchy of Controls
For every identified hazard, document the specific control measures you will use. The hierarchy of controls ranks measures from most effective to least effective.
Always start at the top and work down:
- Elimination - remove the hazard completely. Can the work be done from ground level instead of at height?
- Substitution - replace the hazard with something less dangerous. Use battery-powered tools instead of mains-powered in wet conditions.
- Engineering controls - physically separate workers from the hazard. Install edge protection and guardrails instead of relying on harnesses.
- Administrative controls - change the way work is done. Implement permit-to-work systems. Schedule noisy work outside school hours. Rotate workers on demanding tasks.
- PPE - personal protective equipment as the last line of defence. Specify exact requirements, such as "AS/NZS 1801 Class 5 hard hats, AS/NZS 1337.1 safety glasses with side shields."
PPE is the weakest control. It should never be your primary risk control for a serious hazard. If your SWMS lists PPE as the only control for a High or Extreme risk, you have a problem.
Residual Risk
After listing controls, re-assess each hazard to determine the residual risk - the level of risk remaining after controls are applied. This demonstrates that your controls are actually reducing risk to an acceptable level.
Site-Specific Detail
Your SWMS must be written for the specific site where the work is happening. A generic SWMS that you roll out across every job without changes is not compliant.
Site-specific factors to address:
- The actual layout and conditions of the site
- Proximity to public areas, schools, hospitals, or roads
- Existing services (overhead power lines, underground utilities)
- Ground conditions, slope, access constraints
- Other trades or work happening nearby
- Environmental conditions specific to the location and time of year
If you are reusing a template from a previous job, review and update every section to reflect the new site.
Worker Consultation and Sign-Off
WHS law requires that workers are consulted during the development of the SWMS. This is not optional - it is a legal obligation.
The people doing the work should have genuine input into identifying hazards and developing control measures.
Each worker must sign the SWMS before starting. Their signature confirms:
- They have been consulted in the preparation of the SWMS
- They have read and understood the document
- They understand the hazards and control measures
- They agree to follow the documented procedures
If a new worker joins the job partway through, they must be inducted into the SWMS and sign on before doing any high-risk work.
Supervisor Sign-Off
A supervisor or site manager must sign the SWMS to confirm it has been reviewed and is adequate. This sign-off should be by someone with the authority and competence to assess whether controls are reasonable and sufficient.
Keeping Your SWMS Current
A SWMS is a living document. It must be reviewed and updated when:
- Site conditions change (weather, ground conditions, other work starting nearby)
- The scope of work changes
- New hazards are identified during the work
- An incident, near miss, or safety concern is raised
- New workers join the job
- A regulator or inspector directs changes
When you update the SWMS:
- Increment the version number
- Record the date of the revision
- Get all workers to re-sign
- Keep previous versions on file - do not delete them
Safe Work Australia provides a free Interactive SWMS Guidance Tool on their website. It walks you through each section and helps you build a compliant document.
Common Mistakes That Get You in Trouble
- Generic, copy-paste SWMS - using the same document across every site without updating it. Regulators see through this immediately.
- Vague control measures - writing "use appropriate PPE" instead of specifying exactly what controls will be used and how.
- No worker signatures - the SWMS exists but workers have not signed it, or signatures were collected without workers reading the document.
- No consultation - the SWMS was written by one person without input from the workers doing the job.
- Out-of-date documents - the SWMS was prepared months ago and has not been reviewed despite changing conditions.
- Missing risk assessment - hazards are listed but there is no risk rating, or ratings are clearly arbitrary.
- PPE as the only control - relying entirely on PPE without considering higher-order controls.
Get It Done Properly
Here is what a properly filled-in SWMS looks like:
- Install edge protection barriers
- Keep 1m exclusion zone from edge
- Supervisor to monitor
- Two-person lift for panels over 20kg
- Use mechanical aids where possible
- Pre-task warm up stretches
- Full-length clothing, gloves, safety glasses
- Eye wash station on site
- Wash skin immediately on contact
A well-written SWMS is not just a compliance exercise. It forces you to think through the job, identify real risks, and plan how to manage them before anyone picks up a tool.
That process genuinely keeps people safe.
Burgy lets you build site-specific SWMS documents with AI assistance. Answer a few questions about the job and site, and the app generates a draft with relevant hazards, risk ratings, and specific control measures.
Review it, get your crew to sign digitally, and the document is stored and accessible on site. What used to take an hour takes minutes.