StandardizationofbarrierdefinitionsSupplementtoReport415controlpreventAPRIL2016REPORT544AcknowledgementsThisreportwasdevelopedbytheIOGPProcessSafetySubcommittee.PhotographyusedwithpermissioncourtesyofBPp.l.c.and©SGV/iStockphoto(Frontcover)©Nostal6ie/iStockphoto(Backcover)DisclaimerWhilsteveryefforthasbeenmadetoensuretheaccuracyoftheinformationcontainedinthispublication,neitherIOGPnoranyofitsMemberspastpresentorfuturewarrantsitsaccuracyorwill,regardlessofitsortheirnegligence,assumeliabilityforanyforeseeableorunforeseeableusemadethereof,whichliabilityisherebyexcluded.Consequently,suchuseisattherecipient’sownriskonthebasisthatanyusebytherecipientconstitutesagreementtothetermsofthisdisclaimer.Therecipientisobligedtoinformanysubsequentrecipientofsuchterms.Thispublicationismadeavailableforinformationpurposesandsolelyfortheprivateuseoftheuser.IOGPwillnotdirectlyorindirectlyendorse,approveoraccreditthecontentofanycourse,eventorotherwisewherethispublicationwillbereproduced.CopyrightnoticeThecontentsofthesepagesare©InternationalAssociationofOil&GasProducers.Permissionisgiventoreproducethisreportinwholeorinpartprovided(i)thatthecopyrightofIOGPand(ii)thesourcesareacknowledged.Allotherrightsarereserved.AnyotheruserequiresthepriorwrittenpermissionofIOGP.TheseTermsandConditionsshallbegovernedbyandconstruedinaccordancewiththelawsofEnglandandWales.DisputesarisingherefromshallbeexclusivelysubjecttothejurisdictionofthecourtsofEnglandandWales.StandardizationofbarrierdefinitionsSupplementtoReport415RevisionhistoryVERSIONDATEAMENDMENTS1.1April2016FirstreleaseAPRIL2016REPORT5441.Background5Barriersrepresentagroupingofriskcontrols5KeyPerformanceIndicatorsappliedusingthebarrierconcept62.Scope73.Definingbarriertypes84.Hardwarebarriercategories105.Humanbarriercategories146.ManagementSystemElements157.CategorizingLOPCeventsandimprovingbarriereffectiveness16AppendixA17Example1:Offshorepipelinecathodicprotection17Example2:Tankoverfill17Example3:Valvebullplug18Example4:Hoserupture18Example5:Pipinghandover19Example6:Pumpsealinoffshoremodule20AppendixB21Hardwarebarrier21Humanbarriers21References24Contents4Standardizationofbarrierdefinitions1.BackgroundBarriersrepresentagroupingofriskcontrolsIOGPReport415,AssetIntegrity–thekeytomanagingmajorincidentrisks[1],publishedin2008,explicitlyaddressedassetintegrityandprocesssafetyrisksaspartofacompany’soverallhealth,safetyandenvironmentmanagementsystem(HSE-MS).GuidanceonestablishinganOperatingManagementSystem(OMS)isnowintegratedwithinIOGPReport510,OperatingManagementSystemFrameworkforcontrollingriskanddeliveringhighperformanceintheoilandgasindustry,publishedin2014[2].Reports415and510bothprovideguidanceonhowapplyriskmanagementasafundamentalprocessthatputsplannedmeasuresinplacetoeliminateorreducereleaseofhazardsbyapplyingriskcontrols.Report415introducedtheconceptofestablishingasetofbarriers,eachofwhichrepresentsagroupingofriskcontrols.Abarrierisdesignedtoeitherpreventaneventcausedbyreleaseofahazardortomitigateanevent’spotentialconsequences,includingmajorincidents.Multiplebarriersaredeployedincombinationtoaddresseachtypeofthreatorcauseofaneventanditsconsequences.BarrierAriskcontrolthatseekstopreventunintendedeventsfromoccurring,orpreventescalationofeventsintoincidentswithharmfulconsequences.FromIOGP510[2].ImplementationofthebarrierconceptisdescribedinReport4...
