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1、Lockout Tagout LO TO Training PreparedbyCOPCHSETeam Singapore Introduction Lockoutisatechniquethatpreventsequipmentfrombeingstartedorpreventsstoredenergyfromreleasedwhilesomeoneisrepairingorperformingmaintenanceworkontheequipment Apadlockisplacedonadisconnectswitch circuitbreaker valvehandleorothere
2、nergy isolatingmechanismthatisintheofforOpen Closedposition Objectives IdentifyhazardousenergysourcesintheworkplaceDefinevariouslocksandtagsusedtoisolateenergysourcesSelectappropriatemeanstoisolateandcontrolenergysourcesApplyenergyisolationcontrolsRemovalofLockout Describetheproceduresforconductinga
3、lockout tagout Topics Definitions LOTOEnergySourcesCausesofLOTOinjuriesTypesofLOTOdevicesRequirementsofLOTOdevicesTagging StickersLOTOprocedures SequencesIsolationMethodologyReleasefromLOTOEmergencylockremovalproceduresConclusion WhatIsLockout Tagout ReferredtoasLOTOBlockstheflowofenergyfrompowersou
4、rcetotheequipmentProvidesmeansofwarning Tag WhyweuseLOTO ProtectPeople EquipmentandtheEnvironment PositiveisolationofhazardousenergysourcesDefinesresponsibilities taskandworklocation Communication documentationandtracking Undermulti disciplinecontrol Operations MechanicalandE IConsistencyinapplicati
5、on WhenMustLOTOBeUsed HazardousenergyexistsUnexpectedstart upcouldoccurEmployeesareexposedtohazardousenergyEquipmentisbeingservicedormaintainedduringnormalproductionoperations SafetyDevicesormachineguardsareremoved Thepotentialexiststobeinthe lineoffire ofanaccidentalreleaseofenergy HYDRAULICPNEUMAT
6、ICMECHANICALRADIOACTIVETHERMALELECTRICALCHEMICALGRAVITY EnergySources The FatalFive MainCausesofLockout TagoutInjuries FailuretostopequipmentFailuretodisconnectfrompowersourceFailuretodissipate bleed neutralize residualenergyAccidentalrestartingofequipmentFailuretoclearworkareabeforerestarting Cause
7、sofLOTOInjuries TypesofLOTODevices LocksBlocksChainsMulti lockhaspsWheelvalvecoversBallvalvecoversTagsLockoutboard s Breakerclips RequirementsforLOTODevices Theymustbe Durable towithstandtheenvironmentUnique indistinction visibilitySubstantial durabilityforlockandtagtominimizeaccidentalremoval Ident
8、ifiable tobeincludedidentification authorizationofthepersonforapplyingthedevice Standardised incolor shape sizetypeorformat LocksandKeys AlllockingdevicestobeusedunderLOTOprocedureshallhaveuniqueindividualkeys Thereshallbenomasterkeywhichcanbeusedtoopenmanylocks Likewise thereshallnotbemorethanoneac
9、cessiblekeyforeachindividuallock LocksspeciallydesignatedforuseinthelockoutprocedureshallbeprovidedbyCommissioningTeam Eachlockandkeyshallbestamped markedinordertoidentifythem Theyshallbeassignedindividualnumbers Lockedboxes keysafescontaininglockandkeysets isolationtags multiplelockdevisesshallbelo
10、catedwithintheCommissioningPermitCoordinatorOffice LocksandTags IfadeviceisprotectingmorethanoneEnergyIsolationAttachseparatelocksandtagsforeachisolation MotorControlCenter RemovableHandle ValveWheel Pump Job1 Job2 Multilock TheAuthorizedPersonwillbetheSinglePointofContactforfinalapprovalofLO TOWhen
11、morethanonetradeisworkingonapieceofequipmentthatneedstobeisolated aMULTI LOCKhaspshallbeusedtoalloweachtradetofittheirownlocks TheLOCKOUTTAGshallalwaysbeconnectedtotheisolationpoints padlocksandremovedwhenthelastpadlockisremoved ThereshallbeoneLOCKOUTtagforeachpadlock Tagging CP ISOLATIONS Tag DONOT
12、OPERATETag CPIsolationTagsareusedtoidentifyallisolations de isolationsperformedinconjunctionwiththeissuingofaCommissioningPermitotherthanEnergizedEquipmentLimitIsolations CPIsolationTagsareattachedtoandsubsequentlyremovedfromallisolationpointsbyAEE ATE AME AMPorpersonauthorizedtoperformmechanicaliso
13、lations Theoperationormovementofanyswitch valve equipmentorcontrolcircuitisprohibitedwhenthereisaCPIsolationTagattachedtoit EachtagmusthaverelevantIsolations Inhibits SpadeListno writtenonit CircuitEarth Tag CircuitEarth Tagplacedonequipmentthathasbeenisolatedandearthedviaanearthswitchorviatemporary
14、earthingcables ThetagwillcarrytheCommissioningPermittoWorkandIsolationCertificatenumbersandwillbedatedandsignedbyaAEE Thetagwillbetiedatthepointofaccesstotheearthswitch OutOfService Tags Outofservicetagsareusedto Identify EnergizedEquipmentLimitIsolations Ensureprotectionofequipmentortoplacefaultyor
15、substandardequipmentoutofnormalservice Identifyvalvesorswitcheswhichareatthelimitsofenergizationandshouldnotbeoperatedforprocessormechanicalreasons AllsectionsofanOutofServiceTagmustbecompletedbythepersonattachingthetag ThetagmayonlyberemovedifaCommissioningPermithasbeenissuedtoallowforitsremovaland
16、theHolderofthatCommissioningPermithasspeciallyaskedforittoberemoved TagsAreOnlyCommunicationandWarningDevices TagsMustBeSecurelyAttached TagsDoNotProvidePhysicalRestraint TagsMustNeverBeDefeatedorIgnored MustWithstandEnvironmentalConditions TagsMustBeLegibleandUnderstandable TagsAreOnlyRemovedbytheResponsiblePerson SomeKeyPointsAboutTags Commissioning Sticker CommissioningStickermaybefixedtoanyitemofequipmentthathasbeenhandedovertoandacceptedbytheCT Apersonshallnotdoanyworkofanydescriptiononanyp
