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会计学1Jobsafetyanalysis第一页，共48页。2第1页/共47页第二页，共48页。3第2页/共47页第三页，共48页。4第3页/共47页第四页，共48页。5PlantProceduresBehaviorHazardsHeat, Pressure Height, ChemicalPeopleEnvironmentEquipmentBarriers第4页/共47页第五页，共48页。6第5页/共47页第六页，共48页。7RISK = HAZARD X PROBABILITY for acute effectsRISK = HAZARD X EXPOSUREfor chronic effectsNote:ACUTE EFFECTS are those that follow immediately from a single action, examples are injuries, fires and explosion and some environment incidents.CHRONIC EFFECTS are those that follow up some time later, often repeated low level exposure. Examples are most health effects and some environmental effects.Risk = Hazard Effect x ProbabilityDanger - state where or when there is exposure to hazardSafe - a state where or when exposure to hazards has been controlled to an adequate level第6页/共47页第七页，共48页。8第7页/共47页第八页，共48页。9第8页/共47页第九页，共48页。10第9页/共47页第十页，共48页。11第10页/共47页第十一页，共48页。12第11页/共47页第十二页，共48页。13第12页/共47页第十三页，共48页。14第13页/共47页第十四页，共48页。15HAZARD with the.(e.g. object, agent oractivity)POTENTIAL to cause.HARMRotating shaftFriction of movingsurfaceEntanglementManual handlingMascular stressBack injury orherniaSulfuric acidCorrosivenessChemical burn第14页/共47页第十五页，共48页。16第15页/共47页第十六页，共48页。17第16页/共47页第十七页，共48页。18第17页/共47页第十八页，共48页。19What is the hazard, potential and harm shown in this picture?第18页/共47页第十九页，共48页。20第19页/共47页第二十页，共48页。21tripping, slipping, fire, etc.第20页/共47页第二十一页，共48页。22第21页/共47页第二十二页，共48页。23Job StepsHazards1. Jacking up the vehicle2. Removing wheel nuts3. Exchanging wheel4. Replacing wheel nuts5. Lowering vehicle第22页/共47页第二十三页，共48页。24Job StepsHazards1. Jacking up the vehicleVehicle FallingPoor ergonomics2. Removing wheel nutsHand SlippingTripping Hazard3. Exchanging wheelVehicle FallingManual Handling4. Replacing wheel nutsUse of hand tools5. Lowering vehicleVehicle FallingPoor Ergonomics第23页/共47页第二十四页，共48页。25How can you identify hazards? Previous JSA Task Observations Publications (legislation, industry standards, etc.) Specialist techniques (HAZOP, etc.)第24页/共47页第二十五页，共48页。26第25页/共47页第二十六页，共48页。27第26页/共47页第二十七页，共48页。28第27页/共47页第二十八页，共48页。29第28页/共47页第二十九页，共48页。30第29页/共47页第三十页，共48页。31第30页/共47页第三十一页，共48页。32Recognition, Evaluation and Control of Hazards第31页/共47页第三十二页，共48页。333. Mitigation Measures第32页/共47页第三十三页，共48页。343. Mitigation Measures第33页/共47页第三十四页，共48页。353. Mitigation Measures第34页/共47页第三十五页，共48页。363. Mitigation Measures第35页/共47页第三十六页，共48页。373. Mitigation Measures第36页/共47页第三十七页，共48页。383. Mitigation Measures第37页/共47页第三十八页，共48页。393. Mitigation Measures第38页/共47页第三十九页，共48页。403. Mitigation Measures第39页/共47页第四十页，共48页。413. Mitigation Measures第40页/共47页第四十一页，共48页。423. Mitigation Measures第41页/共47页第四十二页，共48页。Job Safety Analysis- Completed FormDATE: 7/11/97 ASSESSED BY: S. Leong & TeamASSESSMENT NO.: 8TASK: Cut grass with a rotary electric lawn mowerLOCATION: Lawn outside OfficeREVIEW DATE: 7/12/97WORK SEQUENCEHAZARDHAZARD EFFECTMITIGATING MEASURES*RESIDUALRISK1. Mobilise equipment (e.g. take mower out from garageManual HandlingBack injury or cutsUse proper handling techniques, ensure adequate lighteningT2. Check area to mowed and remove loose objectsWet grassSlip and fallWear shoes with slip resistant soleT3. Connect mower to power source and switch on.Short circult in wetElectric shockIssue instruction prohibiting use in wet and install ELCBT4. Mow the lawnCatching foot on blade Cut, amputation of toe Wear stout boots/safety shoes and issue instructionTCutting cableElectric shockRoute cable awaty and install ELCBTFlying sticks/stonesCut or bruiseClear lawn of stones, keep personnel away, wear eye protectionAEye injury5. Switch off and disconnectShort circult in wetElectric shockIssue instruction prohibiting use in wet and install ELCBT6. Stow equipmentManual HandlingBack injury or cutsUse proper handling technique, ensure adequate lighting TFINAL ASSESSMENT:OVERALL RISK:A* Key to Residual Risk - T = Trival Risk A=Adequately controlled N = Not adequately controlled 第42页/共47页第四十三页，共48页。44第43页/共47页第四十四页，共48页。45Risk MatrixPOTENTIAL RISKHIGHMEDIUMLOWABCDEPROBABILITYCATEGORYDEFINITION1APOSSIBILITY OF REPEATEDINCIDENTS2BPOSSIBILITY OF ISOLATEDINCIDENTS3CPOSSIBILITY OF OCCURINGSOMETIME4DNOT LIKELY TO OCCUREPRACTICALLY IMPOSSIBLECONSIDERATIONSCONSEQUENCECATEGORYHEALTH/SAFETYPUBLICDISRUPTIONENVIRONMENTALIMPACTFINANCIAL IMPACT1Fatality/Serious impacton publicLARGE COMMUNITYMAJOR/EXTENDEDDURATION/FULLSCALE RESPONSECORPORATE2Serious injury topersonnel/ limitedimpact on publicSMALL COMMUNITYSERIOUS/ SIGNIFICANTRESOURCECOMMITMENTREGION/AFFILIATE3Medical Treatment forpersonnel/no impact onpublicMINORMODERATE/LIMITEDRESPONSE OF SHORTDURATIONDIV/SITE4Minor impact onpersonnelMINIMAL TO NONEMINOR/LITTLE OR NORESPONSE NEEDEDOTHER第44页/共47页第四十五页，共48页。46Perform a JSA for Entry into a Floating Roof Tank第45页/共47页第四十六页，共48页。47Perform a JSA for an Job you are familiar with第46页/共47页第四十七页，共48页。48感谢您的观看感谢您的观看(gunkn)。第47页/共47页第四十八页，共48页。
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