Confined-Space-Entry-E教学讲解课件

ConfinedSpaces“Non-Permit”“Permit-Required”ConfinedSpaces1ConfinedSpacesConfinedSpacesETSUConfinedSpacesPhysicalPlant’sConfined SpacePolicyApprovedOctober17,2019ETSUConfinedSpacesPhysicalP2ETSUConfinedSpacesPhysicalPThespaceisnotdesignedforcontinuousemployeeoccupancyThespaceislargeenoughtoenterandperformworkThespacehaslimited meansofentryandexitConfinedSpaceDefinedThespaceisnotdesignedfor3ThespaceisnotdesignedforConfinedSpaceExamples● Tanks● Manholes● Boilers● Furnaces● Sewers● Hoppers● Vaults● Pipes● Tunnels● Bins● Pits● SilosConfinedSpaceExamples● Tanks4ConfinedSpaceExamples● TanksNotDesignedforContinuousWorkerOccupancyMostconfinedspacesarenotdesignedtoenterandworkinonaregularbasis.Thespaceenclosesmaterialsorprocesses.Occasionalworkerentryforinspection,repair,cleanup,maintenance,etc.NotDesignedforContinuousWo5NotDesignedforContinuousWoPermit-RequiredConfinedSpaceAPermit-RequiredConfinedSpaceisaconfinedspacethathasoneormoreofthefollowingcharacteristics:● Containsorhasthepotentialtocontainahazardousatmosphere;● Containsamaterialthathasthepotentialforengulfinganentrant;● Hasaninternalconfigurationsuchthatanentrantcouldbecometrappedorasphyxiated;or● Containsanyotherserioussafetyorhealthhazard.Permit-RequiredConfinedSpace6Permit-RequiredConfinedSpaceNon-PermitConfinedSpace● Anon-permitconfinedspacedoesnotcontainor,withrespecttoatmospherichazards,havethepotentialtocontainanyhazardcapableofcausingdeathofseriousphysicalharm.● Apermit-requiredconfinedspacecanbereclassifiedasanon-permitspace.Non-PermitConfinedSpace● An7Non-PermitConfinedSpace● AnENTRYbyEntrant● Theactbywhichapersonpassesthroughanopeningintoapermit-requiredconfinedspace.● Occursduringworkactivitieswhentheentrant’sbodybreakstheplaneofanopeningintothespaceENTRYbyEntrant● Theactbyw8ENTRYbyEntrant● TheactbywCategorizingtheWorkSpaceSpacelargeenoughtoenter&;LimitedorRestrictedentryorexit&;Notdesignedforcontinuousworkeroccupancy.NONotaConfinedSpaceYESHazardousAtmosphere

EngulfmentHazard

ConfigurationHazard

AnyotherrecognizedserioushazardPermit-RequiredConfinedSpaceNonPermit-RequiredSpaceYESNOOrOrOr

ConfinedSpaceCategorizingtheWorkSpaceSpa9CategorizingtheWorkSpaceSpaToreclassifyapermit-requiredconfinedspace,apre-entrychecklistshallbecompletedandcertifiedbyanentrysupervisorpriortoentry.

ConfinedSpaceEntryThechecklistshallcontainthedate,thelocationofthespace,andthesignatureofthepersonprovidingthecertification.Toreclassifyapermit-require10Toreclassifyapermit-requirePre-EntryChecklistPhysicalPlantemployeesshallfollowthepre-entryproceduresthatestablishsafeentryforouremployees.Pre-EntryProceduresPre-EntryChecklistPhysicalPl11Pre-EntryChecklistPhysicalPlUnfavorableNaturalVentilationLackofairmovementinandoutofthespacecancreateanatmospheremuchdifferentthantheoutsideatmosphere.Deadlygasescanbetrappedinside.Organicmaterialscandecompose.Maynotbeenoughoxygenduetopresenceofothergasesorchemicalreactionssuchasrusting.UnfavorableNaturalVentilatio12UnfavorableNaturalVentilatioConfinedSpaceEntry-HazardsManholesoftenremaincoveredforlongperiodsoftime.Poisonousgases,suchashydrogensulfidecanaccumulateinsideofmanholes.H2SManholesmayalsoaccumulatehighlyflammablegasessuchasmethane.

CH4ConfinedSpaceEntry-Hazards13ConfinedSpaceEntry-HazardsOxygenDeficientAtmospheres19.5% Minimumacceptableoxygenlevel.15-19% Decreasedabilitytoworkstrenuously. Impaircoordination.Earlysymptoms.12-14% Respirationincreases.Poorjudgment.10-12% Respirationincreases.Lipsblue.8-10% Mentalfailure.Fainting.Nausea Unconsciousness.Vomiting.6-8% 8minutes-fatal,6minutes-50%fatal 4-5minutes-possiblerecovery.4-6% Comain40seconds.DeathOxygenDeficientAtmospheres1914OxygenDeficientAtmospheres19OxygenEnrichedAtmospheresOxygenlevelabove21%.Causesflammableandcombustiblematerialstoburnviolentlywhenignited.Neverusepureoxygentoventilate.Neverstoreorplacecompressedtanksinaconfinedspace.OxygenEnrichedAtmospheresOxy15OxygenEnrichedAtmospheresOxyFlammableAtmospheresCriticalFactors:Oxygencontentintheair.Presenceofaflammablegas,orvaporPresenceofdust(visibilityof5’orless)IgnitionSources:(HotWorkPermit)SparkingorelectrictoolWelding/cuttingoperationsSmokingFlammableAtmospheresCritical16FlammableAtmospheresCriticalHydrogenSulfideDecompositionofmaterials.Humanwaste.Rotteneggodoratlowconcentrations.Possiblynowarningathighconcentrations.

PPM

Effect

Time

10ppm PermissibleExposureLevel 8Hours 50-100 MildIrritation-eyes,throat 1Hour200-300 SignificantIrritation 1Hour500-700 Unconsciousness,Death 1/2-1Hour>1000 Unconsciousness,Death MinutesHydrogenSulfideDecomposition17HydrogenSulfideDecompositionCarbonMonoxideOdorless,ColorlessGas.CombustionBy-Product.Quicklycollapseathighconcentrations.

PPM

Effect

Time 50 PermissibleExposureLevel 8Hours 200 Slightheadache,discomfort 3Hours600 Headache,discomfort 1Hour1000-2000 Confusion,nausea,headache 2Hours1000-2000 Tendencytostagger 11/2Hours1000-2000 Slightheartpalpitation 30Min.2000-2500 Unconsciousness 30Min.CarbonMonoxideOdorless,Color18CarbonMonoxideOdorless,Color????????Freshoutsideairisblownintothespacetodiluteandremovecontaminants,andsupplyoxygen.O2Ifconcentrationsofgasesandvaporsarefoundtobeatharmfullevels,theconfinedspacemustbeventilatedbeforeentry.ConfinedSpaceEntry-HazardsO2O2O2FreshAir??FreshoutsideIfconcentratio19??FreshoutsideIfconcentratioTestingTheAtmosphereVerifypresenceofsafeworkatmosphere.Testatvariousdepthsofaconfinedspace.Top,Middle,BottomTestingTheAtmosphereVerifypTestingTheAtmosphereVerifypAlways

testtheairatvariouslevelstobesurethattheentirespaceissafe.GoodairneartheopeningdoesNOTmeanthereisgoodairatthebottom!Methaneislighterthanair.CarbonMonoxideisthesameasair.HydrogenSulfideisheavierthanair.AlwaystesttheGoodairneart21AlwaystesttheGoodairneartEmergencyProcedures

Call

911Itisveryimportanttocommunicatetothedispatcherthataconfinedspacerescueisnecessary.Shouldconditionsdevelopwhichrequireextrication,andtheentrantcannotgetoutoftheconfinedspaceontheirown,theattendantmustcallforemergencyassistanceatonce!EmergencyProcedures Call 91122EmergencyProcedures Call 911BARRIERSandSIGNSmustbeplacedaroundanyopeningstoprotecttheentrantsandpassers-by.CAUTIONOpeninginGroundKeepOut!BARRIERSandSIGNSmustbepla23BARRIERSandSIGNSmustbeplaContractorConfinedSpaceEntry• Contractorsmustfollowtheirownestablishedconfinedspaceentryprocedure.• AjointentrybyETSUemployeesandcontractorswillbecoordinatedbyanETSUentrysupervisor.• Contractorsmustsupplytheirownairmonitors.• ContractorsarerequiredtocontactaPhysicalPlantrepresentativeatthecompletionofanentrytodiscussanyhazardsconfrontedduringtheentry.ContractorConfinedSpaceEntr24ContractorConfinedSpaceEntrMSAOrionMultigasDetectorMSAOrionMultigasDetector25MSAOrionMultigasDetectorMSAVentilationFirstoptiontocorrectproblems.Mustbeawareofhazardsyouaretryingtocorrectintheconfinedspace.Airintakeinasafelocationtodrawfreshaironly.Continuousventilationwheneverpossible.Retesttheconfinedspacebeforeentry.VentilationFirstoptiontocor26VentilationFirstoptiontocorIsolationLockingandtaggingoutelectricalsources.Blankingandbleedingpneumaticandhydrauliclines.Disconnectingmechanicaldrivesandshafts.Securingmechanicalparts.Blankingsewerandwaterflow.Lockingandtaggingoutshutoffvalves.IsolationLockingandtaggingo27IsolationLockingandtaggingoRespiratorsAir-PurifyingRespiratorsFilterdangeroussubstancesfromtheair.Mustknowthetypeandamountofhazardoussubstancepresentintheconfinedspace.NEVERusewithoxygendeficiency!Air-SupplyingRespiratorsDeliverasafesupplyofbreathingairfromatankoranuncontaminatedareanearby.RespiratorsAir-PurifyingRespi28RespiratorsAir-PurifyingRespiEntrantResponsibilitiesKnowthehazardsofthespace.Properuseofequipmentinspace.Communicatewiththeattendant.Placeshis/herlockout/tagoutdeviceonisolationpoint(s)beforeentryAlerttheattendantwhenevertheyrecognizeadangeroussituation.DetectaprohibitedconditionEntrantResponsibilitiesKnowt29EntrantResponsibilitiesKnowtEntrantResponsibilitiesExitfromthespaceasquicklyaspossiblewhenever:AnordertoevacuateisgivenbytheattendantorentrysupervisorTheentrantrecognizesanywarningsignsofexposureoradangeroussituationTheentrantdetectsaprohibitedcondition.Themulti-gasdetectoralarmsEntrantResponsibilitiesExitf30EntrantResponsibilitiesExitfAttendantResponsibilitiesKnowsthehazardsthatmightbefacedduringentryAwareofpossiblebehavioraleffectsofhazardexposuretotheentrantMaintainsacountofentrantsinthespaceRemainsoutsidethepermitspaceduringentryoperationsAttendantResponsibilitiesKnow31AttendantResponsibilitiesKnowAttendantResponsibilitiesCommunicateswiththeentrantsandalertsifevacuationisneeded.Monitorsactivitiesinsideandoutsidethespacedeterminingifitissafe.Performsnon-entryrescue(tripod,non-entryretrievaldevice)Summonrescueservicesifpersonneedsassistancetoescapespace(911)AttendantResponsibilitiesComm32AttendantResponsibilitiesCommEntrySupervisorResponsibilitiesKnowsthehazardsthatmaybefacedduringentry,includingmode,signsorsymptoms,andconsequencesofexposure.Verifiesthattheappropriateentrieshavebeenmadeonthepermit.VerifiesthatalltestsspecifiedbythepermithavebeenconductedVerifiesthatallproceduresandequipmentspecifiedbythepermitareinplacebeforeapprovingthepermitandallowingentryEntrySupervisorResponsibilit33EntrySupervisorResponsibilitEntrySupervisorResponsibilitiesTerminatestheentryandcancelsthepermitasrequiredwhen:TheentryoperationshavebeencompletedAconditionthatisnotallowedundertheentrypermitarisesinornearthespace(Note:Theemployershallretainthepermitforatleast1year.EntrysupervisorturninpermitstoHealth&SafetyatthePhysicalPlant.)EntrySupervisorResponsibilit34EntrySupervisorResponsibilitEntrySupervisorResponsibilitiesVerifiesthatrescueservicesareavailableRemovesunauthorizedindividualswhoattempttoenterthepermitspaceVerifiesthatacceptableentryconditionsaremaintainedduringentryandthatallrequirementsofthepermitaremet.EntrySupervisorResponsibilit35EntrySupervisorResponsibilitSummaryConfinedspacesaregenerallyclassifiedintotwocategoriesPermitRequiredHavethepotentialtocontainserioussafetyandhealthhazardsNonPermitRequiredSummaryConfinedspacesaregen36SummaryConfinedspacesaregenSummarySomecommonconfinedspacehazardsinclude:AtmospherichazardsMovingpartsTightspacesEngulfmenthazardsSummarySomecommonconfinedsp37SummarySomecommonconfinedspSummaryTheCompany’s“entrypermitsystem”isdesignedtoensurethatconfinedspacehazardsarecontrolledduringtheentryprocessSummaryTheCompany’s“entrype38SummaryTheCompany’s“entrypeSummaryTheentrysupervisormakessureallentryproceduresarefollowedasoutlinedontheentrypermit SummaryTheentrysupervisorma39SummaryTheentrysupervisormaSummaryThestandbyattendantactsastheeyesandearsoftheentryprocess,monitoringconditionsbothinsideandoutsidethespaceThestandbyattendantmaynotentertheconfinedspaceduringarescueSummaryThestandbyattendanta40SummaryThestandbyattendantaSummaryTheconfinedspaceentrantsaretheonlyonesauthorizedtoenteraconfinedspaceEntrantsmustknowallpotentialhazards,maintaincommunicationswiththeattendantandimmediatelyexitthespacewheninstructedtoevacuateSummaryTheconfinedspaceentr41SummaryTheconfinedspaceentrSummaryEachmemberoftheentryteamhasaspecificroletoplayintheentryprocessByfollowingtherequirementsoftheentrypermitsystem,theentryteamisabletoworksafelyinconfinedspacesSummaryEachmemberoftheentr42SummaryEachmemberoftheentr谢谢你的阅读知识就是财富丰富你的人生谢谢你的阅读知识就是财富43谢谢你的阅读知识就是财富谢谢你的阅读知识就是财富43docin/sanshengshiyuandoc88/sanshenglu

更多精品资源请访问docin/sanshengshiyuan更多精品44docin/sanshengshiyuan更多精品ConfinedSpaces“Non-Permit”“Permit-Required”ConfinedSpaces45ConfinedSpacesConfinedSpacesETSUConfinedSpacesPhysicalPlant’sConfined SpacePolicyApprovedOctober17,2019ETSUConfinedSpacesPhysicalP46ETSUConfinedSpacesPhysicalPThespaceisnotdesignedforcontinuousemployeeoccupancyThespaceislargeenoughtoenterandperformworkThespacehaslimited meansofentryandexitConfinedSpaceDefinedThespaceisnotdesignedfor47ThespaceisnotdesignedforConfinedSpaceExamples● Tanks● Manholes● Boilers● Furnaces● Sewers● Hoppers● Vaults● Pipes● Tunnels● Bins● Pits● SilosConfinedSpaceExamples● Tanks48ConfinedSpaceExamples● TanksNotDesignedforContinuousWorkerOccupancyMostconfinedspacesarenotdesignedtoenterandworkinonaregularbasis.Thespaceenclosesmaterialsorprocesses.Occasionalworkerentryforinspection,repair,cleanup,maintenance,etc.NotDesignedforContinuousWo49NotDesignedforContinuousWoPermit-RequiredConfinedSpaceAPermit-RequiredConfinedSpaceisaconfinedspacethathasoneormoreofthefollowingcharacteristics:● Containsorhasthepotentialtocontainahazardousatmosphere;● Containsamaterialthathasthepotentialforengulfinganentrant;● Hasaninternalconfigurationsuchthatanentrantcouldbecometrappedorasphyxiated;or● Containsanyotherserioussafetyorhealthhazard.Permit-RequiredConfinedSpace50Permit-RequiredConfinedSpaceNon-PermitConfinedSpace● Anon-permitconfinedspacedoesnotcontainor,withrespecttoatmospherichazards,havethepotentialtocontainanyhazardcapableofcausingdeathofseriousphysicalharm.● Apermit-requiredconfinedspacecanbereclassifiedasanon-permitspace.Non-PermitConfinedSpace● An51Non-PermitConfinedSpace● AnENTRYbyEntrant● Theactbywhichapersonpassesthroughanopeningintoapermit-requiredconfinedspace.● Occursduringworkactivitieswhentheentrant’sbodybreakstheplaneofanopeningintothespaceENTRYbyEntrant● Theactbyw52ENTRYbyEntrant● TheactbywCategorizingtheWorkSpaceSpacelargeenoughtoenter&;LimitedorRestrictedentryorexit&;Notdesignedforcontinuousworkeroccupancy.NONotaConfinedSpaceYESHazardousAtmosphere

EngulfmentHazard

ConfigurationHazard

AnyotherrecognizedserioushazardPermit-RequiredConfinedSpaceNonPermit-RequiredSpaceYESNOOrOrOr

ConfinedSpaceCategorizingtheWorkSpaceSpa53CategorizingtheWorkSpaceSpaToreclassifyapermit-requiredconfinedspace,apre-entrychecklistshallbecompletedandcertifiedbyanentrysupervisorpriortoentry.

ConfinedSpaceEntryThechecklistshallcontainthedate,thelocationofthespace,andthesignatureofthepersonprovidingthecertification.Toreclassifyapermit-require54Toreclassifyapermit-requirePre-EntryChecklistPhysicalPlantemployeesshallfollowthepre-entryproceduresthatestablishsafeentryforouremployees.Pre-EntryProceduresPre-EntryChecklistPhysicalPl55Pre-EntryChecklistPhysicalPlUnfavorableNaturalVentilationLackofairmovementinandoutofthespacecancreateanatmospheremuchdifferentthantheoutsideatmosphere.Deadlygasescanbetrappedinside.Organicmaterialscandecompose.Maynotbeenoughoxygenduetopresenceofothergasesorchemicalreactionssuchasrusting.UnfavorableNaturalVentilatio56UnfavorableNaturalVentilatioConfinedSpaceEntry-HazardsManholesoftenremaincoveredforlongperiodsoftime.Poisonousgases,suchashydrogensulfidecanaccumulateinsideofmanholes.H2SManholesmayalsoaccumulatehighlyflammablegasessuchasmethane.

CH4ConfinedSpaceEntry-Hazards57ConfinedSpaceEntry-HazardsOxygenDeficientAtmospheres19.5% Minimumacceptableoxygenlevel.15-19% Decreasedabilitytoworkstrenuously. Impaircoordination.Earlysymptoms.12-14% Respirationincreases.Poorjudgment.10-12% Respirationincreases.Lipsblue.8-10% Mentalfailure.Fainting.Nausea Unconsciousness.Vomiting.6-8% 8minutes-fatal,6minutes-50%fatal 4-5minutes-possiblerecovery.4-6% Comain40seconds.DeathOxygenDeficientAtmospheres1958OxygenDeficientAtmospheres19OxygenEnrichedAtmospheresOxygenlevelabove21%.Causesflammableandcombustiblematerialstoburnviolentlywhenignited.Neverusepureoxygentoventilate.Neverstoreorplacecompressedtanksinaconfinedspace.OxygenEnrichedAtmospheresOxy59OxygenEnrichedAtmospheresOxyFlammableAtmospheresCriticalFactors:Oxygencontentintheair.Presenceofaflammablegas,orvaporPresenceofdust(visibilityof5’orless)IgnitionSources:(HotWorkPermit)SparkingorelectrictoolWelding/cuttingoperationsSmokingFlammableAtmospheresCritical60FlammableAtmospheresCriticalHydrogenSulfideDecompositionofmaterials.Humanwaste.Rotteneggodoratlowconcentrations.Possiblynowarningathighconcentrations.

PPM

Effect

Time

10ppm PermissibleExposureLevel 8Hours 50-100 MildIrritation-eyes,throat 1Hour200-300 SignificantIrritation 1Hour500-700 Unconsciousness,Death 1/2-1Hour>1000 Unconsciousness,Death MinutesHydrogenSulfideDecomposition61HydrogenSulfideDecompositionCarbonMonoxideOdorless,ColorlessGas.CombustionBy-Product.Quicklycollapseathighconcentrations.

PPM

Effect

Time 50 PermissibleExposureLevel 8Hours 200 Slightheadache,discomfort 3Hours600 Headache,discomfort 1Hour1000-2000 Confusion,nausea,headache 2Hours1000-2000 Tendencytostagger 11/2Hours1000-2000 Slightheartpalpitation 30Min.2000-2500 Unconsciousness 30Min.CarbonMonoxideOdorless,Color62CarbonMonoxideOdorless,Color????????Freshoutsideairisblownintothespacetodiluteandremovecontaminants,andsupplyoxygen.O2Ifconcentrationsofgasesandvaporsarefoundtobeatharmfullevels,theconfinedspacemustbeventilatedbeforeentry.ConfinedSpaceEntry-HazardsO2O2O2FreshAir??FreshoutsideIfconcentratio63??FreshoutsideIfconcentratioTestingTheAtmosphereVerifypresenceofsafeworkatmosphere.Testatvariousdepthsofaconfinedspace.Top,Middle,BottomTestingTheAtmosphereVerifypTestingTheAtmosphereVerifypAlways

testtheairatvariouslevelstobesurethattheentirespaceissafe.GoodairneartheopeningdoesNOTmeanthereisgoodairatthebottom!Methaneislighterthanair.CarbonMonoxideisthesameasair.HydrogenSulfideisheavierthanair.AlwaystesttheGoodairneart65AlwaystesttheGoodairneartEmergencyProcedures

Call

911Itisveryimportanttocommunicatetothedispatcherthataconfinedspacerescueisnecessary.Shouldconditionsdevelopwhichrequireextrication,andtheentrantcannotgetoutoftheconfinedspaceontheirown,theattendantmustcallforemergencyassistanceatonce!EmergencyProcedures Call 91166EmergencyProcedures Call 911BARRIERSandSIGNSmustbeplacedaroundanyopeningstoprotecttheentrantsandpassers-by.CAUTIONOpeninginGroundKeepOut!BARRIERSandSIGNSmustbepla67BARRIERSandSIGNSmustbeplaContractorConfinedSpaceEntry• Contractorsmustfollowtheirownestablishedconfinedspaceentryprocedure.• AjointentrybyETSUemployeesandcontractorswillbecoordinatedbyanETSUentrysupervisor.• Contractorsmustsupplytheirownairmonitors.• ContractorsarerequiredtocontactaPhysicalPlantrepresentativeatthecompletionofanentrytodiscussanyhazardsconfrontedduringtheentry.ContractorConfinedSpaceEntr68ContractorConfinedSpaceEntrMSAOrionMultigasDetectorMSAOrionMultigasDetector69MSAOrionMultigasDetectorMSAVentilationFirstoptiontocorrectproblems.Mustbeawareofhazardsyouaretryingtocorrectintheconfinedspace.Airintakeinasafelocationtodrawfreshaironly.Continuousventilationwheneverpossible.Retesttheconfinedspacebeforeentry.VentilationFirstoptiontocor70VentilationFirstoptiontocorIsolationLockingandtaggingoutelectricalsources.Blankingandbleedingpneumaticandhydrauliclines.Disconnectingmechanicaldrivesandshafts.Securingmechanicalparts.Blankingsewerandwaterflow.Lockingandtaggingoutshutoffvalves.IsolationLockingandtaggingo71IsolationLockingandtaggingoRespiratorsAir-PurifyingRespiratorsFilterdangeroussubstancesfromtheair.Mustknowthetypeandamountofhazardoussubstancepresentintheconfinedspace.NEVERusewithoxygendeficiency!Air-SupplyingRespiratorsDeliverasafesupplyofbreathingairfromatankoranuncontaminatedareanearby.RespiratorsAir-PurifyingRespi72RespiratorsAir-PurifyingRespiEntrantResponsibilitiesKnowthehazardsofthespace.Properuseofequipmentinspace.Communicatewiththeattendant.Placeshis/herlockout/tagoutdeviceonisolationpoint(s)beforeentryAlerttheattendantwhenevertheyrecognizeadangeroussituation.DetectaprohibitedconditionEntrantResponsibilitiesKnowt73EntrantResponsibilitiesKnowtEntrantResponsibilitiesExitfromthespaceasquicklyaspossiblewhenever:AnordertoevacuateisgivenbytheattendantorentrysupervisorTheentrantrecognizesanywarningsignsofexposureoradangeroussituationTheentrantdetectsaprohibitedcondition.Themulti-gasdetectoralarmsEntrantResponsibilitiesExitf74EntrantResponsibilitiesExitfAttendantResponsibilitiesKnowsthehazardsthatmightbefacedduringentryAwareofpossiblebehavioraleffectsofhazardexposuretotheentrantMaintainsacountofentrantsinthespaceRemainsoutsidethepermitspaceduringentryoperationsAttendantResponsibilitiesKnow75AttendantResponsibilitiesKnowAttendantResponsibilitiesCommunicateswiththeentrantsandalertsifevacuationisneeded.Monitorsactivitiesinsideandoutsidethespacedeterminingifitissafe.Performsnon-entryrescue(tripod,non-entryretrievaldevice)Summonrescueservicesifpersonneedsassistancetoescapespace(911)AttendantResponsibilitiesComm76AttendantResponsibilitiesCommEntrySupervisorResponsibilitiesKnowsthehazardsthatmaybefacedduringentry,includingmode,signsorsymptoms,andconsequencesofexposure.Verifiesthattheappropriateentrieshavebeenmadeonthepermit.VerifiesthatalltestsspecifiedbythepermithavebeenconductedVerifiesthatallproceduresandequipmentspecifiedbythepermitareinplacebefore