Appendix 1 - Risk Criteria

Appendix 1 - Risk Criteria

Issue Date Effective Date Version
10/02/2026 10/02/2026 2.0

Consequence Table

LevelSeverityConsequence Description
5CatastrophicConsequences that can prove detrimental for the whole organisation / community / individuals.
(E.g. Fatalities; Fatal Drowning; Crown Liability; Irreversible Reputational Damage; Insolvency).
4MajorConsequences which can significantly jeopardise aspects of the organisation / community / individuals.
(E.g. Serious injury/illness, such as permanent disability; Non-Fatal Drowning; Significant Civil Liability; Significant Reputational Damage; Significant Financial Loss).
3ModerateConsequences which will have moderate adverse adverse impacts to the organisation / community / individuals.
(E.g. Medical Treatment or Lost Time Injury; Regulatory Investigation; Temporary Closure; Limited Reputational Impact; Limited Financial Loss).
2MinorConsequences which will have minor impacts to the organisation / individuals.
(E.g. Minor Injury/Illness, such as First Aid; Service Interuption; Tolerable Financial Loss).
1InsignificantConsequences which do not pose any significant threat and which can be left unmediated without any fear.
(E.g. No injury/illness; No Interuptions; No Financial Loss).

Likelihood Table

Estimate how likely the consequence is to happen as a result of exposure to the hazard using the following table:

LevelLikelihood LevelProbabilityAccess to Emergency or Rescue Services isHistory of Major IncidentsHistory of Minor IncidentsVolume of Activity / UseFrequency of ActivityCompetence in Activity
5Almost CertainWill probably occur more than once30+ minutes1 or more within a monthDaily500+ at a timeDaily Activity or EventNo or limited awareness, skills or experience
4LikelyHigh probability will occur at least once15-30 mins1 or more within past 12 monthsWeekly100-500 at a timeWeekly activity or eventFundamental awareness, skills or experience
3PossibleReasonable that it could occur more than once10-15mins1 or more within past 3 yearsMonthly50-100 at a timeMonthly activity or eventPartial awareness, skills or experience
2UnlikelyMay occur once5-10mins1 or more within past 5 yearsAnnually5-50 at a timeAnnual activity or eventIntermediate awareness, skills or experience
1RareMay occur in exceptional circumstances0-5mins1 or more within past 10 yearsMore than annuallyLess than 5 at a timeGreater than annualAdvanced awareness, skills or experience

Risk Level

Likelihood levelConsequence Level
 InsignificantMinorModerateMajorCatastrophic
Almost certainMediumMediumHighHighHigh
LikelyLowMediumMediumHighHigh
PossibleLowLowMediumMediumHigh
UnlikelyLowLowLowMediumMedium
RareLowLowLowLowMedium

Control Effectiveness Table

LevelExtentReliabilityAvailabilityEffectiveness
5Very HighMostly reliableAlwaysMostly effective
4HighOften reliableMostlyOften effective
3ModerateSomewhat reliableSometimesSomewhat effective
2LowRarely reliableRarelyRarely effective
1Very LowNot reliableNotNot effective

Risk Level Response

Risk LevelResponse
HighImmediate – stop activity until treated.
Activity can continue if risk is reduced to as low as reasonably practicable (ALARP) and subject to a detailed management plan.
(E.g. Risk Management Plan, Emergency Management Plan, Supervision Plan, Dangerous Goods Management Plan).
MediumTreat as soon as practicable.
Activity can continue if risk is reduced to as low as reasonably practicable (ALARP) and subject to following activity risk assessment, standard operating procedures and sufficient risk controls.
LowAcknowledge and manage risk by routine procedures & intuitive risk management. 

Risk Tolerance

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