OfficeofEnvironmentalHealthandSafety333SouthBeaudryAvenue,28thFloorLosAngeles,CA90017(213)241-3199http://www.lausd-oehs.orgIncidentRateCalculationWorksheetOEHSScorecard–QuarterlyPerformanceReportThetablebelowrepresentssampledatatoexplainthecalculationoftheincidentratesOEHSusestomeasuresafetyperformancewithinDistrictoperations.SampleDataCriteriaDataNumberofEmployeesDURINGPERIOD1(allpersonnel)47Numberofhoursworked2DURINGPERIOD111,935Numberofcaseswithlostworkdays3DURINGPERIOD(OSHArecordableinjurywheretheemployeeisunabletoworkonthenextscheduledworkday)5Numberoflostworkdays4DURINGPERIOD(basedona7dayworkweek-notcountingdayofinjury)81NumberofOSHARecordable5CasesDURINGPERIOD(totalcasesonOSHAForm300A)181.DURINGPERIODreferstoactualhoursworked,injuriesorlostdaysduringtheactualperiodthatthedataisbeingcalculated.2.Thenumberofhoursworkedincludesallparttimeorseasonalworkers,overtimeandZ-time.Itdoesnotincludetimepaidwhichisnotworkedsuchasvacation,holiday,illness,leaveofabsenceorunassigneddays.3.ThenumberofcaseswithlostworktimeasdefinedbyOSHA.ThenumberisrecordedontheOSHAForm300A,sectionH.4.Thenumberoflostworkdaysisbasedona7-dayworkweekasdictatedbyOSHA.TheactualnumberisrecordedontheOSHAForm300A,sectionK.5.RecordableinjuryasdefinedbyCAL/OSHA.TheactualnumberisthesumofnumberofcasedlistedontheOSHAForm300A,sectionsG,H,I&J.1.TotalIncidentRate(TIR)Formula:#ofOSHARecordableInjuries/Illnessesx200,000TotalHoursWorkedSAMPLECalculation:18x200,000111,935SAMPLETotalIncidentRate:32.16Basedon18recordableinjuriesfor111,935hoursofexposure,thiscompanywouldexperience32.16recordableinjuriesbythetimetheyreached200,000hours.Note:200,000hoursrepresentstheequivalentof100fulltimeemployeesworking1fullyear.Theactualhoursworkedincludesallparttimeorseasonalworkers,overtimeandZ-time.Itdoesnotincludetimepaidwhichisnotworkedsuchasvacation,holiday,illness,leaveofabsenceorunassigneddays.2.LostWorkdayCaseRateFormula:#ofInjurieswithLostWorkdaysx200,000TotalHoursWorkedSAMPLECalculation:5x200,000111,935SAMPLELostWorkdayCaseRate:8.93Basedon5lost-timeinjuriesfor111,935hoursofexposure,thiscompanywouldexperience8.93injurieswithlostworkdaysbythetimetheyreached200,000hours.Note:200,000hoursrepresentstheequivalentof100fulltimeemployeesworking1fullyear.OnlythosecaseswithadateofinjuryintheDuringPeriodwillbeincluded.3.LostWorkdayRateFormula:#ofWorkDaysLostx200,000TotalHoursWorkedSAMPLEcalculation:81x200,000111,935SAMPLELostWorkdayRate:145Basedon81lostworkdaysfor111,935hoursofexposure,thiscompanywouldexperience145dayslostbythetimetheyreached200,000hours.Thenumberoflostworkdaysinbasedona7-dayworkweekperOSHAdirections.OnlythelostworkdaysassociatedwithanOSHArecordableinjurythatoccurredintheDuringPeriodareincluded.Forexample,iftheDuringPeriodiscalendaryear2012,thenlostworkdaysassociatedwithaninjurythatoccurredin2011orpriorwillnotbeincludedeventhoughlostworkdaysmaycontinueintothe2012calendaryear.AnyquestionspertainingtothecalculationofthevariousincidentratesusedbytheDistrict,pleasecontactOEHSat213-241-3199.
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