MAJORHAZARDINDUSTRIESIntroduction112.MuchofHSE’sworkisaboutthemanagementofhealthandsafetyinhighhazardindustriesandthecontrolofmajorhazardevents-thepreventionofmajorincidentswherethehealthandsafetyofmanypeople,whetherworkersormembersofthepublic,isaffected.113.Progresswithpublishedplansduring2003/2004follow.Sectorscoveredarethosewherethecontrolofmajorhazardsiscritical,forexample,gasconveyanceandonshoremajorhazardpipelines,chemicalinstallationscoveredbytheControlofMajorAccidentHazardsRegulations(COMAH),explosivesandtherailways,mining,offshoreandnuclearindustries.HSCpolicystatementonpermissioningregimes114.WorkcontinuedtopubliciseandembedtheHSCpolicystatementonpermissioningregimespublishedinMarch2003.Thissetoutabenchmarkforthereviewofexistingpermissioningregimesandforconsideringproposalsfornewones.AkeyeventinpublicisingthepolicystatementwasajointseminarbetweenHSEandtheInstitutionofMechanicalEngineersinOctober2003.Thisgaveindustrypractitionersanopportunitytosharetheirviewsandexperiencesonhowtoimprovetheeffectivenessofsafetycasesandsafetyperformanceinindustriessubjecttopermissioningregimes.115.TheseminarcoincidedwithHSEpublishingaresearchreportidentifyingavailableevidenceontheimpactofsafetycaseregimes.ThereportbyVectrasaysthat,overall,industryseessafetycasesasmorebeneficialthanburdensomeandsupportstheirphilosophyandapproach,particularlythegoalsettingstyle.Otherbenefitsidentifiedincludetheintroductionofsystematicmanagementsystemstocontrolrisksandthegreaterinvolvementofstaffandsafetyrepresentativesintheprocess.Bothareseenasbeinghighlyeffectiveinreducingmajorincidents.Anationaltargetformajorhazards116.Workhasnowbeencompletedonthedevelopmentofasuiteoftargets,basedonprecursorevents(aneventorgroupofeventstheoccurrenceofwhichmightindicatefailuresincontrolsystemsrelevanttothecontrolofrisksfromamajorhazard-assuchtheyarethekindofeventinthepossiblechainofcausationandavoidancewhichcouldbeakeyelementinthepreventionofcatastrophicoutcomes)whichprovideasuitablemeasureofHSE’seffortstoregulateandimproveperformanceinthemajorhazardssector.Theyaresummarisedinthetablebelowwhichdefineseachtarget,setsoutbaselinesandreportson03/04performance.117.Thetargetsrepresentthediverserangeofindustriesinthemajorhazardssectorandhavebeenagreedwithkeystakeholders.Asingleaggregatedindicatorhasnotbeenpursuedbecauseofthecomplexityofbringingtogetherthedifferentdataseries.118.Thekeystepstakentodevelopthetargetsinclude:●establishingacommonbaselineyear-2001/02;●agreeingimprovementtargetswithrelevantsectorplayers;●foreachtarget,determiningperformancetrendsoverthemediumtermfromwhichtargettrajectoriescanbedetermined.27119.OriginalproposalstouseasetofsevenindicatorsfortherailsectorhavebeenovertakenbytheadoptionoftheRailSafetyandStandardsBoard(RSSB)‘railsafetyriskindex’(forthenationalrailnetwork)whichemploysawiderangeofrelevantpre-cursormetrics,weightedtorepresentthepotentialseverityofoutcomeforeachtypeandcombinedintoasinglevalue.RSSBandHSEhaveagreedatargettoreducetheoverallriskvalueby10%annually.120.Overthecourseoftheshadowrunningyeardatasensitivityhasbeenevaluatedandtrajectoriesandtargetsadjustedinthelightofexperience.TheresultswillbebuiltintotheTechnicalNotefortheHealthandSafetyPSAfor2005-2008.DeliveryoftheMajorHazardsTarget2003-20042003/042001/022002/03BaseYrQuarter1Quarter2Quarter3Quarter4TotalRailindicators*Signa...
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