HazardousIndustryPlanningAdvisoryPaperNo8HAZOPGuidelinesJanuary2011HIPAP8:HAZOPGuidelines©StateofNewSouthWalesthroughtheDepartmentofPlanning201123–33BridgeStreetSydneyNSWAustralia2000www.planning.nsw.gov.auISBN978-0-73475-872-9DOPHAZ_011Disclaimer:Whileeveryreasonableefforthasbeenmadetoensurethatthisdocumentiscorrectatthetimeofprinting,theStateofNewSouthWales,itsagentsandemployees,disclaimanyandallliabilitytoanypersoninrespectofanythingortheconsequencesofanythingdoneoromittedtobedoneinrelianceuponthewholeoranypartofthisdocument.ForewordSincethe1980s,theNewSouthWalesDepartmentofPlanninghaspromotedandimplementedanintegratedapproachtotheassessmentandcontrolofpotentiallyhazardousdevelopment.Theapproachhasbeendesignedtoensurethatsafetyissuesarethoroughlyassessedduringtheplanninganddesignphasesofafacilityandthatcontrolsareputinplacetogiveassurancethatitcanbeoperatedsafelythroughoutitslife.Overtheyears,anumberofHazardousIndustryAdvisoryPapersandotherguidelineshavebeenissuedbytheDepartmenttoassiststakeholdersinimplementingthisintegratedassessmentprocess.Withthepassingoftimetherehavebeenanumberofdevelopmentsinriskassessmentandmanagementtechniques,landusesafetyplanningandindustrialbestpractice.Inrecognitionofthesechanges,newguidelineshavebeenintroducedandalloftheearlierguidelineshavebeenupdatedandreissuedinacommonformat.IampleasedtobeassociatedwiththepublicationofthisnewseriesofHazardousIndustryAdvisoryPapersandassociatedguidelines.Iamconfidentthattheguidelineswillbeofvaluetodevelopers,consultants,decision-makersandthecommunityandthattheywillcontributetotheprotectionofthepeopleofNewSouthWalesandtheirenvironment.DirectorGeneralHIPAP8:HAZOPGuidelines|January2011iv|DepartmentofPlanningContentsExecutiveSummaryv1Introduction11.1Background11.2PurposeoftheGuidelines22TheStudy32.1Introduction32.2HazardandOperabilityStudyMethodology32.3SequenceofExamination42.4DetailsofStudyProcedure42.5HAZOPEffectiveness52.6Non-traditionalHAZOPEquivalents103TheReport133.1Aims133.2StudyTitlePage133.3TableofContents133.4GlossaryandAbbreviations133.5SummaryofMainFindingsandRecommendations133.6ScopeofReport133.7DescriptionoftheFacility143.8HAZOPTeamMembers143.9HAZOPMethodology143.10GuideWords143.11PlantOverview143.12AnalysisofMainFindings153.13ActionArisingFromtheHAZOP15References16Appendix117ExamplesofListsofGuideWordsforuseinHAZOPs17Appendix219ExampleHAZOPStudy19Appendix334ExampleFMEAMinuteSheet34ListofFiguresandTablesFigure1:TheHazards-RelatedAssessmentProcessviFigure3:HAZOPProcedureIllustration7Figure4:ExampleP&ID(Original)27Figure5:ExampleP&ID(Revised)33HIPAP8:HAZOPGuidelines|January2011v|DepartmentofPlanningExecutiveSummaryTheorderlydevelopmentofindustryandtheprotectionofcommunitysafetynecessitatetheassessmentofhazardsandrisks.TheDepartmentofPlanninghasformulatedandimplementedriskassessmentandlandusesafetyplanningprocessesthataccountforboththetechnicalandthebroaderlocationalsafetyaspectsofpotentiallyhazardousindustry.TheseprocessesareimplementedaspartoftheenvironmentalimpactassessmentproceduresundertheEnvironmentalPlanningandAssessmentAct1979.TheDepartmenthasdevelopedanintegratedassessmentprocessforsafetyassuranceofdevelopmentproposals,whicharepotentiallyhazardous.Theintegratedhazards-relatedassessmentprocesscomprises:apreliminaryhazardanalysisundertakentosupportthedevelopmentapplicationbydemonstra...