Safety - 13. Accident - Incident Investigation

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ME39 Safety Management

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  • ACCIDENT /INCIDENT INVESTIGATION AND REPORTING

  • OverviewPurpose of Investigation

    Managing the Accident Scene

    Steps in Conducting Investigation

  • Investigations are conducted to: Prevent recurrenceComply with policies and regulatory requirementsMaintain employee awareness

  • ACCIDENTAn undesired event that results in harm to people, damage to property, or loss to process

  • ILO Accident Report Accidents - 250 M/year or 685 T/day or 475/minute or 8/second Working children - 12 M (recorded), 12,000 are fatal Working Adults - 3,000/day = 2/min.

  • Types of Accident1. Personal injury or illness2. Property damage3. Combination of items 1 & 24. Near-miss (actually an incident)

  • INCIDENTAn undesired event which, under slightly different circumstances, could have resulted in harm to people, damage to property, or loss to process

  • Accidents are the result of: :Unsafe ActsUnsafe Conditions

  • UNSAFE ACTSBehaviors which could permit the occurrence of an accident or incidentDeviation from standard procedures or practices

  • UNSAFE CONDITIONSCircumstances which could permit the occurrence of an accident or incident Deviation from standard conditions (equipment, materials, or environment)

  • Unless the unsafe acts/conditions are:

    Prevention is the reason for conducting an Accident Investigation

    Identified andEliminated or controlled similar mishaps will occur

  • Accident Investigations are usually considered a Supervisors responsibility

  • Advantages of Supervisors over other investigators:More familiar with the people involvedBetter understanding of the operationsPersonal interest in investigations

  • Team EffortAll employees should understand :What to reportHow to report

  • What to Report:LTINon-LTINear MissesProperty DamageChemical SpillFire or Explosion

  • Whom to Report to:

    MedicalSafetyEnvironmental ControlManagement

  • Managing the Accident SceneTwo Priorities:Care & treatment of the injuredElimination or control of remaining hazards

  • Care & Treatment of Injured

    Training in First AidDrills under normal and abnormal conditionsLiaison with hospitalsSupervisors can increase their ability to respond to Medical Emergencies by:

  • Controlling Remaining HazardsNotify necessary personnelProvide PPE to potentially exposedRefer to MSDSIf a hazardous environment or toxic materials exist:

  • Isolate the siteTo protect people from further injuryTo preserve evidence and valuable clues

  • Successful investigation is done ...ImmediatelyCompletelyThoroughly

  • Investigate immediately, because:Operations are disruptedMemories fadeEmployees are at risk

  • Conducting the InvestigationGather informationAnalyze the facts Make recommendations

  • ACCIDENT INVESTIGATIONGuidelines:1. Investigate immediately2. Ensure immediate treatment3. Secure the area4. Record details of event (photo, sketch, etc.)5. Collect physical evidence6. Review other sources (victims record, friends, etc.)7. Interview witnesses (5Ws + 1H)8. Write causal factors (man, machine, material, method)9. Make recommendations (effective/reliable results)

  • Gathering Information

    personnel involvedproperty damageenvironmental harmPreliminary Facts:

  • Accident Investigation EquipmentReport formNotebook or pad of paperTape recorderCamera (instant or digital)Measuring equipment

  • Sources of InformationWitnessesPhysical evidence at the sceneExisting records

  • WitnessesVictim and onlookersThose who heard what happenedSaw area prior to incident

  • Interviewing Witnesses:1. Reassure the witness2. Let the witness tell the story3. Begin with open-ended questions4. Dont ask leading questions

  • Interviewing Witnesses5. Summarize6. Ask for recommendations7. Get written statements8. Close on a positive note

  • ACCIDENT INVESTIGATIONQuestions for reporting: WHO- was injured?- saw the accident?- was working with the injured?- had instructed/assigned the job to the injured?- else was involved?

  • ACCIDENT INVESTIGATIONQuestions for reporting: WHAT- is the injury?- is the damage or loss?- was the injured doing?- had the injured been instructed to do?- tools/equipment/machinery were being used?-- training had been given?- is the state of health of the injured?- safety rules were violated?- safety system and procedures were there?

  • ACCIDENT INVESTIGATIONQuestions for reporting: WHEN- did the accident occur?- did the injured start the job?- was the explanation of hazard given?- did the supervisor last see the injured?- did the persons involved last have food & rest?

  • ACCIDENT INVESTIGATIONQuestions for reporting: WHY- did the injury occur?- did the communication fail?- was the training not given?- was PPE not provided?- was PPE not used?- was there no safety instruction given?- was the supervisor not there at the time?

  • ACCIDENT INVESTIGATIONQuestions for reporting: WHERE- did the accident occur?- did the damage occur?- was the supervisor at that time?- was the witnesses at that time?

  • ACCIDENT INVESTIGATIONQuestions for reporting: HOW- did the injury occur?- could the accident have been avoided?- could have been the injury avoided?- could the supervisor have prevented the accident?

  • SketchesTo record important details at the accident site for later study

  • Electrocution victimComfort Room

  • Include everything that could be important:Floor plan from overhead viewLocation of involved man,machine, toolSize and location of transient evidences (spills, dust, footprints, skid marks)

  • AHUXX

  • Photographsdetailcolor differencescomplex shapes difficult to recall

  • PhotographsGeneral areaDetailed shotsShow scale on small objectsBetter to take too many than too few

  • MaterialsToolsMachinesEXAMININGExamining Physical Evidence

  • Machines & ToolsPhysical condition Position of switches/leversReading of gaugesSafeguardsWarning devices

  • MaterialMisuseAbuseDisuseImproper handlingDamagePosition and condition can indicate

  • Material - ChemicalIf chemicals are involved:correct item usedcorrect concentrationexpiredcontaminatedMSDS availability (Materials Safety Data Sheet)

  • If items have to be removed from the scene for detailed examination:Log and labelSecure storage & transportAvoid contaminationGuard against tampering and lossAppropriate warnings

  • Existing RecordsEmployee recordsEquipment recordsJob or Task recordsPrevious Accident Investigation reports

  • Analyzing the FactsCause Analysis (root)Change analysis

  • Immediate and Basic Causes

  • Direct CausesBasic (root)Causes

  • Direct Causes

    caught in, between, or under struck against or struck by fall from or fall on overexertion or stress

  • Basic (Root) Causes inadequate maintenance of equipment inadequate codes and standards insufficient employee safety training safe work practices inadequately followed faulty design of work area supervisors not performing duties

  • Change AnalysisCompares how a job was actually performed with the way it should have been performed

  • Recommending Corrective ActionsSpecificMeasurableAttainableRealisticTime-bound

  • Report forms require four basic types of informationGeneral informationA SummaryAn AnalysisRecommendations

  • Reports should beClearDetailedNeat Legible

  • Management ApproachTrainingInspectionsHazard analysisSafety Meetings

  • Not just for incidents involving serious injury, its for ANY occurrence that has the POTENTIAL of causing harmAccident Investigation...

  • ACCIDENT INVESTIGATION (General Process Flow)Secure the areaDocument the facts: hard evidence, witnessEnsure immediate medical treatmentGather facts about the accident: witnessesIdentify the root cause (causal factors)Corrective actionFollow-up

  • Quote of the day:

    It is better to be careful 100 times than to get killed once Mark Twain

  • The EndThank You and Good Morning