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SAFE WORK METHOD STATEMENT (SWMS) -


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RISK MATRIX

Step 1: Assess Probability
Criteria Item
Certain Expected in all cases. The outcome is a typical occurrence.
Probable Will likely happen under normal conditions. The outcome has been observed before.
Occasional Could happen under specific conditions. The outcome is possible; I've encountered it before.
Remote Unlikely but possible under rare circumstances. The outcome is possible, though I haven't come across it before.
Highly Unlikely Extremely rare. The outcome is highly unlikely.
Step 2: Assess Severity
Effect Level Instance at Each Level
Negligible No impact or a trivial inconvenience.
Minimal Minor injury requiring basic first aid, no operational delays.
Moderate Injury requiring medical attention, moderate work disruption.
Severe Major injury or long-term health effect, significant business impact.
Critical Life-threatening, fatality, or extreme legal/regulatory consequences
Step 3: Determine Risk Score
Probability \ Severity Negligible Minimal Moderate Severe Critical
Certain 2M 2M 3H 4E 4E
Probable 2M 2M 3H 4E 4E
Occasional 1L 2M 2M 3H 4E
Remote 1L 1L 2M 3H 4E
Highly Unlikely 1L 1L 2M 2M 3H
Step 4: Risk Handling Guide
Score Action Required
4E (Extreme Risk) STOP IMMEDIATELY - Work must not proceed until risk is significantly reduced.
3H (High Risk) Act Immediately - Controls must be implemented before proceeding.
2M (Medium Risk) Proceed with Caution - Ensure adequate control measures are in place.
1L (Low Risk) Acceptable Risk - Proceed with standard precautions and periodic review.
Most Effective HIERARCHY OF CONTROLS Least Effective
Elimination
Substitution
Isolation
Engineering
Administrative
PPE