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ContractorGuidanceNotePermittingProcess–ExcavationsPAPL-221-340Rev1.
EffectiveDate:28September2017Page1of71PURPOSEThisContractorGuidanceNoteoutlinesthemanagementandcontrolofallExcavationworksconductedbycontractors(includingthird-partycontractors)onthePerthAirportEstate.
2SCOPEExcavationworkswheretheexistinggroundistobedisturbedtoadepthof100mmorgreaterbymanualormechanicalmeans(shovelormachinedigging),andincludesboringordrivinganyobjectintotheground.
ThefollowingisnotconsideredtobeExcavation:vacuumextractionandhanddiggingusingashovelforservicelocationexcavationtomaximumtotaldepthofa100mmorless3DEFINITIONSHighRiskExcavationZone(HREZ)Areasaroundin-groundServicesthatareconsideredtorepresenthighrisktoindividualsandtooperationalreliabilityiftheyaredisturbedHighRiskServiceTypePrescribedDistance(eitherside)GasMains(Dampier/BunburyGasPipeline,HighandMediumPressurepipelines)15MetresFuelLines15MetresGasLowPressure(LP)3MetresHighVoltageReticulatedMainsincludingPrimaryAirfieldCircuits3MetresTelecommunications/DataCabling3Metres4PROCESS4.
1OSHWorksPlanningMeetingAnOSHWorksPlanningMeetingmustbeundertakenbeforeanyworksundercontractorthird-partyworkscommence.
OncompletionoftheOSHWorksPlanningMeetingthefollowingmustbeunderstood:LocationoftheExcavation(andproximitytoHeritageareas)TheextentanddimensionsoftheExcavationPAPL-221-340Rev1.
EffectiveDate:28September2017Page2of7IngroundservicesplanningLocationandIdentificationofallservicesServiceProtectionOfficerappointmentandresponsibilitiesHREZexcavationsidentified,anyadditionalcontrolsIsolationofelectricalservices(ifrequired)Assetownernotificationse.
g.
AtcoGas/Telstra/AirBPPlanningofExcavatione.
g.
Barricading/Signage4.
2HRAExcavationPermitRequestContractorsMUSTraiseaPermitRequestforallExcavationswhichmayimpactonPerthAirport'sinfrastructure,services,operationsorpersonnel,usingthePerthAirportElectronicPermittoWorkSystem(PEMAC).
LinktoPEMACavailablehere:https://hra.
perthairport.
com.
au/PCARE/Security/SignIn.
aspxNOTE:ThePAPLRepresentativeisresponsibleforissuingtheContractorwithaPEMAClogin.
Contractorsmust:CompleteaPAPLHRAEXCAVATIONRequestalongwiththerequiredSupportingDocumentationonlineatleasttenworkingdaysbeforetheplannedworks.
NOTcommencetheExcavationuntilthePermitRequesthasbeenapprovedandsignedbyallparties.
4.
3SupportingDocumentationAllSupportingDocumentationmustbesubmittedwiththeExcavationRequest.
ThetypeofdocumentsrequiredmustbeagreedintheOSHWorksPlanningMeeting.
ExcavationSupportingDocumentationASafeWorkMethodStatementandMethodologyVerificationandidentificationofingroundservicesincludingAs-ConsandGISExclusionzoneiserectedaroundtheproposedworksServiceLocationsDrawingsDBYDandGISDrawingsTemporaryworksrequiredi.
e.
trenchboxes4.
4ReviewofSupportingDocumentationThePAPLRepresentativeandPermitIssuerareresponsibleforreviewingtheExcavationRequestandSupportingDocumentationwithintheallocatedtenworkingdayperiodtoensuretheRequesthasadequatelyassessedthehazardsandcontrolsassociatedwiththework.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page3of74.
5SiteInspectionWhenthePermitIssuerissatisfiedtheExcavationRequestandSupportingDocumentationisadequate,thePermitIssuermustconductasiteinspectiontoensurethattheagreedcontrolsintheSupportingDocumentationhavebeenimplementedonsite.
NOTE:ThePAPLRepresentativemustensurethattherequirementsofthisGuidanceNoteareappliedinrelationtoExcavationSafetyRules.
4.
6IssuePermitOncetheSupportingDocumentationhasbeenreviewedandthesiteinspectioncompletedthePermitIssuermustsignandissuetheExcavationPermittoenableworktocommence.
4.
7MonitoringSpotChecksmaybeconductedtoensuretheagreedconditionsoftheExcavationPermitarebeingimplemented.
4.
8CompletionofWorkAftertheworkiscompletedthePermitApplicantisrequiredtonotifythePermitIssuerandthePAPLRepresentativethattheworksarecomplete.
ThePAPLRepresentativewillclosetheExcavationPermitonPEMAC.
4.
9PermitCancellationShouldanon-complianceoccurwiththeagreedcontrolsintheExcavationPermitandSupportingDocumentationthePermitIssuermaycancelthePermit.
IfthishappenstheApplicantmuststopworkimmediatelyuntilfurtherinstructionfromthePAPLRepresentative.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page4of75APPENDIX–EXCAVATIONSAFETYRULES5.
1GeneralRequirementsAHRA–EXCAVATIONPermitisrequiredforallExcavationswhichmayimpactonPerthAirport'sinfrastructure,services,operationsorpersonnel.
The'HierarchyofControl'mustbeappliedwhenplanningand/orconsideringcontrolmeasures.
Itistheresponsibilityofthecontractortoensurethattheworksareadequatelysupervised/inspectedtoensuretheworksareperformedasdetailedintheExcavationrequestandasexpected.
NoMechanicalExcavationcanbeundertakenwithin1metreofanyPerthAirportServiceunlessanagreedsafesystemofworkisinplaceandagreedwiththePAPLRepresentative.
HREZExcavationsinthevicinityofHighVoltageServicesrequiretheservicestobeisolatedwherereasonablypracticable.
ItistheresponsibilityofthecontractortoliaisewithPerthAirportElectricalTeamtoarrangetheisolation.
ThePAPLRepresentativemustbekeptabreastofanycommunicationswiththeElectricalTeam.
WheretreerootsareencounteredtheabilityforthesetodisturbServicesmanymetresawayshouldbeconsideredandappropriateplanningundertakentoensurethatremovaldoesnotcausedamage.
Priortocommencementofexcavationsaffectingroadsortrafficmovement,adocumentedtrafficmanagementplanshouldbepreparedthatincludes,wherenecessary,trafficcontroller,barricadesandanyroadclosures.
5.
2ExcavationPlanning5.
2.
1SWMSASWMSmustbecompletedandapprovedbeforeallexcavationsandgroundpenetrations.
TheSWMSshould:Provideadescriptionofthemethodstobeusedtoundertakeaninitialexaminationofthearea(e.
g.
toconfirmthatthelocationofutilitiesandessentialservicesiscorrect)ProvideadescriptionoftheexcavationmethodstobeusedtoundertaketheworkProvideadescriptionofthestandardworkproceduresandcontrolsthatapplyrelatingtobenching,shoring,placementofspoil,groundsupport,trafficabilityneartheedgesofopenexcavations,preventionoffalls,accessandegressfromtheexcavation,ventilationsystems,dewateringsystemsetc.
Detailthestepsandcontrolmeasuresrequiredtobeundertakentoensureasafesystemofwork.
5.
2.
2DatacollectionforexistingServicesDialBeforeYouDig(DBYD)enquirytoestablishtheknownServicesintheareawhereExcavationisplanned.
DBYDenquiriescanbelodgedinoneofthreeways:PAPL-221-340Rev1.
EffectiveDate:28September2017Page5of71.
Lodgingonlineatwww.
1100.
com.
au,or2.
UsingtheiPhoneApp,or3.
Ringingthenationalcallcentreon1100duringbusinesshours.
Asthereareasignificantnumberofactivitiesoccurringontheestate,inadditiontoDBYDenquiry,thePerthAirportDesignOfficeshouldbecontactedon94788888toverifywhetherotherworksrecentlycompletedorinprogresshaveinstalledadditionalServicestothoseshownontheDBYDdatawithinoradjacenttotheproposedExcavationsite.
5.
2.
3AccuratelocationofServicesonthesiteTherecommendedapproachforServicedetectionisasfollows:Step1–ServiceDataIdentificationDiscusstheDBYDdatawithyourServiceLocationContractorsanddevelopaplantoensurethatthemostappropriatedetectiondevicesareusedtobestidentifytheServicesknowntobeonthesite.
Step2–ExcavationSiteIdentificationTheextentandlocationoftheExcavationistobeaccuratelymarkedonthesiteusingtheinformationprovidedontheExcavationLocationPlanrequiredforanExcavationPermit.
Step3–ServiceLocationandMarkingRequirementsEachServiceshownontheDBYDdataandadditionalServicesidentifiedbythePAPLDesignOfficeistobemarkedonthesiteusingasystemofidentificationthatcanbemaintainedforthedurationofthework.
Identificationmarkers,suchasPVCpipes,sprayorsurveypegs,mustbeconsistentlycolourcodedandmustincludeinformationreferencingservicetype,pipe/conduitconfigurationandknownservicedepth.
DetailsofthecolourcodingmustbeincludedaspartoftheExcavationRequest.
HREZServicesrequireanincreasednumberofmarkerstobeinstalledandgreatercontrolonmarkerintegrityandlocationaccuracy.
TheServiceLocationContractoristoverifythateachServiceshownontheDBYDdataandadditionalServicesidentifiedbythePAPLdesignofficehasbeenmarkedonthesiteandthatthemarkersforeachcanbeclearlydistinguishedfromoneanother.
ServiceCrossingExcavationWhereExcavationcrossesaServicethemarkersaretoextendsufficientlybeyondeachendoftheExcavationtoensurethatatleasttwomarkersremainoneachsideoftheExcavationsothatthealignmentacrosstheExcavationcanbere-establishedatanytimeduringExcavation.
ServiceParalleltoExcavationWhereServicesrunparalleltotheExcavation,markersshouldbeinstalledatregularintervalsalongtheentirelengthoftheExcavationandextendingatleasttwomarkersbeyondtheextentoftheExcavation.
NOTE:FollowingareviewoftheDBYDdataandGISwheretheExcavationsworksareshownnottobeinaHREZandtheexcavationmethodisdeemednon-invasivebythePermitIssuer,thestepstobeimplementedasstipulatedinStep3aboveareatthediscretionofthePermitIssuer.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page6of7Step4–ExcavationPerimeterScanAsthedataonServicescancontaininaccuraciesincontentandalignmentitisalsonecessaryfortheperimeteroftheExcavationtobescannedusinganappropriatetechniquetoidentifyifanyunknownServiceenterstheExcavationzone.
Aminimumof3mmustbescannedaroundtheperimeteroftheexcavation.
Step5–MarkerCurrencyItistheresponsibilityofthecontractortoensurethattheactivitiesonsitedonotdisturbmarkers.
IfmarkersaredisturbedtheServiceLocationContractormustre-confirmtheaccuracyofmarkersrelevanttotheremainingExcavationworksbeforetheExcavationworksrecommencing.
5.
2.
4InformationonBuriedServicesOwned/ManagedbyInfrastructureCompaniesMuchoftheburiedservicesinfrastructureonthePerthAirportEstateisownedandmanagedby3rdpartyinfrastructurecompanies,including:FuelLines–AirBPGasMains–WestNetEnergy,AlintaGasandtheDampiertoBunburyNaturalGasPipelineAuthorityTelecommunications-TelstraPlanningforExcavationinthevicinityoftheseservicesshouldincludeengagementwiththeseorganisations(duringtheplanningphase),includingtheidentificationofcontrolsoracontingencyplaninthecaseofHREZ.
5.
3ServiceProtectionOfficerForeveryExcavationactivityonthePerthAirportestateapersonwithinthecompanyresponsiblefortheExcavationistobeidentifiedastheServiceProtectionOfficer(SPO).
TheSPOisthepersonthatPAPLholdsabsoluteresponsibilityforensuringthatnoServicesaredamagedduringtheExcavation.
TheSPOisspecificallyresponsible:ForensuringthatthecommitmentsmadeinandtheconditionsattachedtotheExcavationPermitfortheExcavation,arefollowedtotheletter;Forassessing,inatimelymanner,whentheidentifiedmitigationmeasurescannotbestrictlyfollowed;ForassessinginatimelymannerwhentheidentifiedmitigationmeasureswillnotachievethegoalofpreventingdamagetoServices;ForensuringthesafetyofpersonnelinvolvedorthosenearanExcavation;Forcausingtheworkstobehalteduntilthenecessaryre-assessmentofriskandsafetycanbeproperlyundertaken;FormanaginganychangesmadetotheExcavationPermitandtohavetheExcavationPermitre-approvedbythePermitIssuer.
TheSPOisresponsibleforensuringthecontinualprotectionofnewandexistingServicesduringactivitiesfollowingtheExcavationincludinginstallationofitemsinanyExcavation,thesurveyingofinstalledandexposedServicesandtheoperationofbackfilling.
ForworkinHighRiskExcavationZones(HREZ)100%supervisionisrequiredbytheSPO.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page7of75.
4ControlofHighVoltageServicesWhenExcavationistobeundertakeninthevicinityofHighVoltageServicesthathavenotbeenisolated,aPAPLElectricalRepresentativenominatedbyPAPL'sAirportElectricalEngineermustalwaysbepresentduringtheExcavation.
5.
5ExcavationSafetyWhereexcavationsare1.
5metresdeeporgreaterthecontractormustensure,thattheworkareaissecuredfromunauthorisedaccessbyprovidingsuitablesolidbarriersandsuitablesignage.
Theriskofinjurytoanypersonarisingfromthecollapseoftheexcavationsmustbeminimisedbyensuringthatallsidesoftheexcavationareadequatelysupportedbydoingoneormoreofthefollowing:oshoringbyshieldingorothercomparablemeans,obenching,obattering.
Nounauthorisedpersonshallbepermittedtoenteranexcavationwhileexcavationequipmentisoperating.
Toenablesafeaccessandegresstoandfromexcavations,ladders,rampsorothersafemeansofentryorexitshouldbeprovided.
Safeandsuitablemeansofmovementmustbeallowedforpersonsinandaroundandexcavatedarea.
Noitemofplantorexcavatedmaterialshouldbeplaced/storedneartheexcavatedarea.
Considerationshouldbegiventotheneedforanareatobeestablishedforstockpilingexcavatedmaterial.
Ifitisnotreasonablypracticabletoestablishastockpilearea,excavatedmaterialshouldbeplacedoutsidea45-degreeslopelinepassingthroughthebottomoftheexcavationandinnocasecloserthan1000mmfromtheedgeoftheexcavationExcavationsshouldbeinspecteddailybyacompetentpersonbeforethestartofworks.
5.
6EnvironmentalandHeritageClearanceThecontractormustensurethatHeritageMonitorsareengagedduringExcavationworksinareasofremnantvegetationorareasformallyregisteredbytheStateasheritagesites.
Shouldarchaeologicalmaterialbedisturbedduringexcavations,thecontractormustceaseallExcavationworksandcontactthePAPLRepresentativewhowillnotifyPerthAirport'sApprovalsTeam.
AClearing/PruningPermitmustbesoughtforanyremovalofvegetation,whethernativeorlandscapetrees/shrubsindevelopedareas.
ACleanFillFormmustbeapprovedbytheEnvironmentTeambeforeimportingoffillormovingsurplusspoilwithintheestate.
ADewateringPlanmustbeapprovedbytheEnvironmentTeambeforeanyExcavationworksrequiringdewatering.
EffectiveDate:28September2017Page1of71PURPOSEThisContractorGuidanceNoteoutlinesthemanagementandcontrolofallExcavationworksconductedbycontractors(includingthird-partycontractors)onthePerthAirportEstate.
2SCOPEExcavationworkswheretheexistinggroundistobedisturbedtoadepthof100mmorgreaterbymanualormechanicalmeans(shovelormachinedigging),andincludesboringordrivinganyobjectintotheground.
ThefollowingisnotconsideredtobeExcavation:vacuumextractionandhanddiggingusingashovelforservicelocationexcavationtomaximumtotaldepthofa100mmorless3DEFINITIONSHighRiskExcavationZone(HREZ)Areasaroundin-groundServicesthatareconsideredtorepresenthighrisktoindividualsandtooperationalreliabilityiftheyaredisturbedHighRiskServiceTypePrescribedDistance(eitherside)GasMains(Dampier/BunburyGasPipeline,HighandMediumPressurepipelines)15MetresFuelLines15MetresGasLowPressure(LP)3MetresHighVoltageReticulatedMainsincludingPrimaryAirfieldCircuits3MetresTelecommunications/DataCabling3Metres4PROCESS4.
1OSHWorksPlanningMeetingAnOSHWorksPlanningMeetingmustbeundertakenbeforeanyworksundercontractorthird-partyworkscommence.
OncompletionoftheOSHWorksPlanningMeetingthefollowingmustbeunderstood:LocationoftheExcavation(andproximitytoHeritageareas)TheextentanddimensionsoftheExcavationPAPL-221-340Rev1.
EffectiveDate:28September2017Page2of7IngroundservicesplanningLocationandIdentificationofallservicesServiceProtectionOfficerappointmentandresponsibilitiesHREZexcavationsidentified,anyadditionalcontrolsIsolationofelectricalservices(ifrequired)Assetownernotificationse.
g.
AtcoGas/Telstra/AirBPPlanningofExcavatione.
g.
Barricading/Signage4.
2HRAExcavationPermitRequestContractorsMUSTraiseaPermitRequestforallExcavationswhichmayimpactonPerthAirport'sinfrastructure,services,operationsorpersonnel,usingthePerthAirportElectronicPermittoWorkSystem(PEMAC).
LinktoPEMACavailablehere:https://hra.
perthairport.
com.
au/PCARE/Security/SignIn.
aspxNOTE:ThePAPLRepresentativeisresponsibleforissuingtheContractorwithaPEMAClogin.
Contractorsmust:CompleteaPAPLHRAEXCAVATIONRequestalongwiththerequiredSupportingDocumentationonlineatleasttenworkingdaysbeforetheplannedworks.
NOTcommencetheExcavationuntilthePermitRequesthasbeenapprovedandsignedbyallparties.
4.
3SupportingDocumentationAllSupportingDocumentationmustbesubmittedwiththeExcavationRequest.
ThetypeofdocumentsrequiredmustbeagreedintheOSHWorksPlanningMeeting.
ExcavationSupportingDocumentationASafeWorkMethodStatementandMethodologyVerificationandidentificationofingroundservicesincludingAs-ConsandGISExclusionzoneiserectedaroundtheproposedworksServiceLocationsDrawingsDBYDandGISDrawingsTemporaryworksrequiredi.
e.
trenchboxes4.
4ReviewofSupportingDocumentationThePAPLRepresentativeandPermitIssuerareresponsibleforreviewingtheExcavationRequestandSupportingDocumentationwithintheallocatedtenworkingdayperiodtoensuretheRequesthasadequatelyassessedthehazardsandcontrolsassociatedwiththework.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page3of74.
5SiteInspectionWhenthePermitIssuerissatisfiedtheExcavationRequestandSupportingDocumentationisadequate,thePermitIssuermustconductasiteinspectiontoensurethattheagreedcontrolsintheSupportingDocumentationhavebeenimplementedonsite.
NOTE:ThePAPLRepresentativemustensurethattherequirementsofthisGuidanceNoteareappliedinrelationtoExcavationSafetyRules.
4.
6IssuePermitOncetheSupportingDocumentationhasbeenreviewedandthesiteinspectioncompletedthePermitIssuermustsignandissuetheExcavationPermittoenableworktocommence.
4.
7MonitoringSpotChecksmaybeconductedtoensuretheagreedconditionsoftheExcavationPermitarebeingimplemented.
4.
8CompletionofWorkAftertheworkiscompletedthePermitApplicantisrequiredtonotifythePermitIssuerandthePAPLRepresentativethattheworksarecomplete.
ThePAPLRepresentativewillclosetheExcavationPermitonPEMAC.
4.
9PermitCancellationShouldanon-complianceoccurwiththeagreedcontrolsintheExcavationPermitandSupportingDocumentationthePermitIssuermaycancelthePermit.
IfthishappenstheApplicantmuststopworkimmediatelyuntilfurtherinstructionfromthePAPLRepresentative.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page4of75APPENDIX–EXCAVATIONSAFETYRULES5.
1GeneralRequirementsAHRA–EXCAVATIONPermitisrequiredforallExcavationswhichmayimpactonPerthAirport'sinfrastructure,services,operationsorpersonnel.
The'HierarchyofControl'mustbeappliedwhenplanningand/orconsideringcontrolmeasures.
Itistheresponsibilityofthecontractortoensurethattheworksareadequatelysupervised/inspectedtoensuretheworksareperformedasdetailedintheExcavationrequestandasexpected.
NoMechanicalExcavationcanbeundertakenwithin1metreofanyPerthAirportServiceunlessanagreedsafesystemofworkisinplaceandagreedwiththePAPLRepresentative.
HREZExcavationsinthevicinityofHighVoltageServicesrequiretheservicestobeisolatedwherereasonablypracticable.
ItistheresponsibilityofthecontractortoliaisewithPerthAirportElectricalTeamtoarrangetheisolation.
ThePAPLRepresentativemustbekeptabreastofanycommunicationswiththeElectricalTeam.
WheretreerootsareencounteredtheabilityforthesetodisturbServicesmanymetresawayshouldbeconsideredandappropriateplanningundertakentoensurethatremovaldoesnotcausedamage.
Priortocommencementofexcavationsaffectingroadsortrafficmovement,adocumentedtrafficmanagementplanshouldbepreparedthatincludes,wherenecessary,trafficcontroller,barricadesandanyroadclosures.
5.
2ExcavationPlanning5.
2.
1SWMSASWMSmustbecompletedandapprovedbeforeallexcavationsandgroundpenetrations.
TheSWMSshould:Provideadescriptionofthemethodstobeusedtoundertakeaninitialexaminationofthearea(e.
g.
toconfirmthatthelocationofutilitiesandessentialservicesiscorrect)ProvideadescriptionoftheexcavationmethodstobeusedtoundertaketheworkProvideadescriptionofthestandardworkproceduresandcontrolsthatapplyrelatingtobenching,shoring,placementofspoil,groundsupport,trafficabilityneartheedgesofopenexcavations,preventionoffalls,accessandegressfromtheexcavation,ventilationsystems,dewateringsystemsetc.
Detailthestepsandcontrolmeasuresrequiredtobeundertakentoensureasafesystemofwork.
5.
2.
2DatacollectionforexistingServicesDialBeforeYouDig(DBYD)enquirytoestablishtheknownServicesintheareawhereExcavationisplanned.
DBYDenquiriescanbelodgedinoneofthreeways:PAPL-221-340Rev1.
EffectiveDate:28September2017Page5of71.
Lodgingonlineatwww.
1100.
com.
au,or2.
UsingtheiPhoneApp,or3.
Ringingthenationalcallcentreon1100duringbusinesshours.
Asthereareasignificantnumberofactivitiesoccurringontheestate,inadditiontoDBYDenquiry,thePerthAirportDesignOfficeshouldbecontactedon94788888toverifywhetherotherworksrecentlycompletedorinprogresshaveinstalledadditionalServicestothoseshownontheDBYDdatawithinoradjacenttotheproposedExcavationsite.
5.
2.
3AccuratelocationofServicesonthesiteTherecommendedapproachforServicedetectionisasfollows:Step1–ServiceDataIdentificationDiscusstheDBYDdatawithyourServiceLocationContractorsanddevelopaplantoensurethatthemostappropriatedetectiondevicesareusedtobestidentifytheServicesknowntobeonthesite.
Step2–ExcavationSiteIdentificationTheextentandlocationoftheExcavationistobeaccuratelymarkedonthesiteusingtheinformationprovidedontheExcavationLocationPlanrequiredforanExcavationPermit.
Step3–ServiceLocationandMarkingRequirementsEachServiceshownontheDBYDdataandadditionalServicesidentifiedbythePAPLDesignOfficeistobemarkedonthesiteusingasystemofidentificationthatcanbemaintainedforthedurationofthework.
Identificationmarkers,suchasPVCpipes,sprayorsurveypegs,mustbeconsistentlycolourcodedandmustincludeinformationreferencingservicetype,pipe/conduitconfigurationandknownservicedepth.
DetailsofthecolourcodingmustbeincludedaspartoftheExcavationRequest.
HREZServicesrequireanincreasednumberofmarkerstobeinstalledandgreatercontrolonmarkerintegrityandlocationaccuracy.
TheServiceLocationContractoristoverifythateachServiceshownontheDBYDdataandadditionalServicesidentifiedbythePAPLdesignofficehasbeenmarkedonthesiteandthatthemarkersforeachcanbeclearlydistinguishedfromoneanother.
ServiceCrossingExcavationWhereExcavationcrossesaServicethemarkersaretoextendsufficientlybeyondeachendoftheExcavationtoensurethatatleasttwomarkersremainoneachsideoftheExcavationsothatthealignmentacrosstheExcavationcanbere-establishedatanytimeduringExcavation.
ServiceParalleltoExcavationWhereServicesrunparalleltotheExcavation,markersshouldbeinstalledatregularintervalsalongtheentirelengthoftheExcavationandextendingatleasttwomarkersbeyondtheextentoftheExcavation.
NOTE:FollowingareviewoftheDBYDdataandGISwheretheExcavationsworksareshownnottobeinaHREZandtheexcavationmethodisdeemednon-invasivebythePermitIssuer,thestepstobeimplementedasstipulatedinStep3aboveareatthediscretionofthePermitIssuer.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page6of7Step4–ExcavationPerimeterScanAsthedataonServicescancontaininaccuraciesincontentandalignmentitisalsonecessaryfortheperimeteroftheExcavationtobescannedusinganappropriatetechniquetoidentifyifanyunknownServiceenterstheExcavationzone.
Aminimumof3mmustbescannedaroundtheperimeteroftheexcavation.
Step5–MarkerCurrencyItistheresponsibilityofthecontractortoensurethattheactivitiesonsitedonotdisturbmarkers.
IfmarkersaredisturbedtheServiceLocationContractormustre-confirmtheaccuracyofmarkersrelevanttotheremainingExcavationworksbeforetheExcavationworksrecommencing.
5.
2.
4InformationonBuriedServicesOwned/ManagedbyInfrastructureCompaniesMuchoftheburiedservicesinfrastructureonthePerthAirportEstateisownedandmanagedby3rdpartyinfrastructurecompanies,including:FuelLines–AirBPGasMains–WestNetEnergy,AlintaGasandtheDampiertoBunburyNaturalGasPipelineAuthorityTelecommunications-TelstraPlanningforExcavationinthevicinityoftheseservicesshouldincludeengagementwiththeseorganisations(duringtheplanningphase),includingtheidentificationofcontrolsoracontingencyplaninthecaseofHREZ.
5.
3ServiceProtectionOfficerForeveryExcavationactivityonthePerthAirportestateapersonwithinthecompanyresponsiblefortheExcavationistobeidentifiedastheServiceProtectionOfficer(SPO).
TheSPOisthepersonthatPAPLholdsabsoluteresponsibilityforensuringthatnoServicesaredamagedduringtheExcavation.
TheSPOisspecificallyresponsible:ForensuringthatthecommitmentsmadeinandtheconditionsattachedtotheExcavationPermitfortheExcavation,arefollowedtotheletter;Forassessing,inatimelymanner,whentheidentifiedmitigationmeasurescannotbestrictlyfollowed;ForassessinginatimelymannerwhentheidentifiedmitigationmeasureswillnotachievethegoalofpreventingdamagetoServices;ForensuringthesafetyofpersonnelinvolvedorthosenearanExcavation;Forcausingtheworkstobehalteduntilthenecessaryre-assessmentofriskandsafetycanbeproperlyundertaken;FormanaginganychangesmadetotheExcavationPermitandtohavetheExcavationPermitre-approvedbythePermitIssuer.
TheSPOisresponsibleforensuringthecontinualprotectionofnewandexistingServicesduringactivitiesfollowingtheExcavationincludinginstallationofitemsinanyExcavation,thesurveyingofinstalledandexposedServicesandtheoperationofbackfilling.
ForworkinHighRiskExcavationZones(HREZ)100%supervisionisrequiredbytheSPO.
PAPL-221-340Rev1.
EffectiveDate:28September2017Page7of75.
4ControlofHighVoltageServicesWhenExcavationistobeundertakeninthevicinityofHighVoltageServicesthathavenotbeenisolated,aPAPLElectricalRepresentativenominatedbyPAPL'sAirportElectricalEngineermustalwaysbepresentduringtheExcavation.
5.
5ExcavationSafetyWhereexcavationsare1.
5metresdeeporgreaterthecontractormustensure,thattheworkareaissecuredfromunauthorisedaccessbyprovidingsuitablesolidbarriersandsuitablesignage.
Theriskofinjurytoanypersonarisingfromthecollapseoftheexcavationsmustbeminimisedbyensuringthatallsidesoftheexcavationareadequatelysupportedbydoingoneormoreofthefollowing:oshoringbyshieldingorothercomparablemeans,obenching,obattering.
Nounauthorisedpersonshallbepermittedtoenteranexcavationwhileexcavationequipmentisoperating.
Toenablesafeaccessandegresstoandfromexcavations,ladders,rampsorothersafemeansofentryorexitshouldbeprovided.
Safeandsuitablemeansofmovementmustbeallowedforpersonsinandaroundandexcavatedarea.
Noitemofplantorexcavatedmaterialshouldbeplaced/storedneartheexcavatedarea.
Considerationshouldbegiventotheneedforanareatobeestablishedforstockpilingexcavatedmaterial.
Ifitisnotreasonablypracticabletoestablishastockpilearea,excavatedmaterialshouldbeplacedoutsidea45-degreeslopelinepassingthroughthebottomoftheexcavationandinnocasecloserthan1000mmfromtheedgeoftheexcavationExcavationsshouldbeinspecteddailybyacompetentpersonbeforethestartofworks.
5.
6EnvironmentalandHeritageClearanceThecontractormustensurethatHeritageMonitorsareengagedduringExcavationworksinareasofremnantvegetationorareasformallyregisteredbytheStateasheritagesites.
Shouldarchaeologicalmaterialbedisturbedduringexcavations,thecontractormustceaseallExcavationworksandcontactthePAPLRepresentativewhowillnotifyPerthAirport'sApprovalsTeam.
AClearing/PruningPermitmustbesoughtforanyremovalofvegetation,whethernativeorlandscapetrees/shrubsindevelopedareas.
ACleanFillFormmustbeapprovedbytheEnvironmentTeambeforeimportingoffillormovingsurplusspoilwithintheestate.
ADewateringPlanmustbeapprovedbytheEnvironmentTeambeforeanyExcavationworksrequiringdewatering.
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天上云怎么样?天上云隶属于成都天上云网络科技有限公司，是一家提供云服务器及物理服务器的国人商家，目前商家针对香港物理机在做优惠促销，香港沙田机房采用三网直连，其中电信走CN2，带宽为50Mbps，不限制流量，商家提供IPMI，可以自行管理，随意安装系统，目前E3-1225/16G的套餐低至572元每月，有做大规模业务的朋友可以看看。点击进入：天上云官方网站天上云香港物理机服务器套餐：香港沙田数据中...
LayerStack$10.04/月（可选中国香港、日本、新加坡和洛杉矶）高性能AMD EPYC (霄龙)云服务器，
LayerStack（成立于2017年），当前正在9折促销旗下的云服务器，LayerStack的云服务器采用第 3 代 AMD EPYC™ (霄龙) 处理器，DDR4内存和企业级 PCIe Gen 4 NVMe SSD。数据中心可选中国香港、日本、新加坡和洛杉矶！其中中国香港、日本和新加坡分为国际线路和CN2线路，如果选择CN2线路，价格每月要+3.2美元，付款支持paypal，支付宝，信用卡等！...
腾讯云轻量应用服务器关于多个实例套餐带宽
腾讯云轻量应用服务器又要免费升级配置了，之前已经免费升级过一次了（腾讯云轻量应用服务器套餐配置升级 轻量老用户专享免费升配！），这次在上次的基础上再次升级。也许这就是良心云吧，名不虚传。腾讯云怎么样？腾讯云好不好。腾讯云轻量应用服务器 Lighthouse 是一种易于使用和管理、适合承载轻量级业务负载的云服务器，能帮助个人和企业在云端快速构建网站、博客、电商、论坛等各类应用以及开发测试环境，并提供...
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