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1、RiskAssessmentCodesandErgonomicsCOLMaryLopez12August2003RiskEvaluationBasisfordecisionsPerceptionofriskAcceptabilityofriskVoluntaryvsinvoluntaryNaturalvsman-madeRelatestoself-worthvsdoesnotrelateEssentialvsnon-essentialDelayedeffectvsimmediateCommonvsuncommonMu
2、ndanevsdramaticRiskEvaluationEstimationofMagnitudeofRiskUnderestimatefamiliarsystemsOverestimateunknownLossDimensionDeathPropertydamageInjurySpectrumRiskAssessmentandManagementIdentifyandevaluatethehazardsLikelihoodandconsequencesAssessriskEvaluateexpectedlosso
3、rriskofeachhazardSumoversystemoperationsandlifeHighfrequency/lowconsequenceandLow/HighDevelopcountermeasuresAllocateresourcesAcceptresidualriskSafetyValueAnalysis–LimitedResourcesTheLongErgoRACHistoryDODEWGEffortsIdentifiedneed(Surveys,Acquisition)DODI6055.1Med
4、icalRACsvsSafetyRACsErgonomicHazardsRiskFactors(Posture,Force,Repetition,Vibration,Temperature)BodyPartsAffectedRiskAssessmentCodesThresholdquestionsCriteriaSubjective(painandsuffering)MeasurablephysiologicdamageMILSTD1472FKeyfactors–MagnitudeofexposureDuration
5、ofexposureFrequencyofexposureRatingCategorySeverity/HealthEffect5VeryHighPermanenttotaldisability-Extremefrequentloads(>87lbs),forces,postures4HighPermanentpartialdisability/Temporarytotaldisability(3mos)-Heavyloads(56lbs),twisting,highlyrepetitiveandforceful,v
6、ibration(>6hours)3ModerateLostworkdayinjury/compensableinjury-Moderateloads(37lbs),repetitiveandforceful,vibration(>4hours)HazardSeverityRatingCategorySeverity/HealthEffect2LowFirstAid/MinorSupportiveMedicalTreatment-Moderateloads,repetition,moderatepostures,vi
7、bration(>2hours),coldtemperatures1NegligibleTemporarydiscomfort-Lightloads(<37lbs),occasionalposturesHazardSeverityRatingCategoryProbability5VeryHighLikelytooccurimmediately4HighInjurylikelyovertime3ModerateInjurypossiblywilloccurovertime2LowInjuryunlikelytoocc
8、ur1NegligibleInjurynotpossible(currentsciencecannotdetermineifinjurywilloccur)ProbabilityDODI6055.1RACCalculationPrioritizationRACNumberaffectedCostofcontrolQuestions??
