A risk matrix is used during report management to assign a score representing the level of risk by considering the consequential severity of and likelihood of an incident as a result of a hazard.
Risk Matrix
A risk matrix is used during report management to assign a score representing the level of risk by considering the consequential severity of and the likelihood of an incident as a result of a hazard. When completing the risk matrix for close calls and observations, consider the potential severity and likelihood of an incident occurring. When completing the risk matrix for an incident report, score the actual severity and likelihood that this incident occurred or would occur again.
To begin the risk matrix, click on the Risk Matrix tile found in the Report Management menu on the left-hand side of the page. This will open the Risk Matrix section on the right of the screen.
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Filling out the Risk Matrix
Severity
The headings on the left-hand column of the matrix indicate the scale of severity of the report. To select the severity, click on the appropriate severity score label on the Y-axis.
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Likelihood (Probability)
The headings on the top row of the matrix indicate the scale of likelihood (probability) of the report. To select the likelihood, click on the appropriate score on the X-axis.
If you are ever unsure about how to score a report, you can always hover over the “i” next to each heading on your computer for a definition. These definitions can be customized by system admins so your definitions may differ but by default, the following will be displayed:
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Severity:
- Negligible
- Slight injury requiring only first aid – no lost time
- Minimal environmental impact
- Property loss < $10K
- Minor system damage – no repair
- Marginal
- Minor injury requiring more than first aid (return to the same job)
- Reversible moderate environmental impact
- Property loss $10K-<$100K OR Minor system damage – requires repair
- Critical
- Permanent partial disability
- Injuries/illness that result in hospitalization
- Reversible significant environmental impact
- Loss > $100K - <$1M
- Major system damage
- Catastrophic
- Death/permanent total disability
- Irreversible significant environmental impact
- Loss >$1M OR Loss of the system
Likelihood (Probability)
- Unlikely
- Not expected or very remote chance to occur. May only occur in exceptional circumstances; simple process; no previous incidence of non-compliance.
- Seldom
Remote chance of occurrence; expected to occur sometime in the lifecycle of the system.
- Occasional
Expected to occur several times during the lifetime of the facility (50 years); or likely to occur sometime in the lifecycle of the system
- Likely
Expected to occur between once a year and once every few years, or will occur several times in the lifecycle of the system.
- Frequent
- Expected to occur one or more times a year, or is likely to occur many times in the lifecycle of the system.
Once you have determined the likelihood (probability) of the incident using the definitions above, scroll down that column until you reach the row of severity that you previously reserved. This should narrow down the combined ranking of the severity and the likelihood to one specific box. This is your risk matrix score.
In our example, we see that the risk score is 20.
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Complete the Risk Matrix
Once you have filled out the Risk Matrix, click the Save button on the bottom right of the section. This will flag the section as COMPLETE which will appear in the Risk Matrix tile in the Report Management menu page.