压力容器设计规范和规则

BOILERANDPRESSUREVESSELRULESANDREGULATIONS16VAC25-50-10etseq.VIRGINIASAFETYANDHEALTHCODESBOARDANDVIRGINIADEPARTMENTOFLABORANDINDUSTRYEffectiveDate:July2,2003VIRGINIASAFETYANDHEALTHCODESBOARDPage2of5016VAC25-50-10etseq.BOILERANDPRESSUREVESSELRULESANDREGULATIONSPARTIDefinitions.16VAC25-50-10Definitions.Thefollowingwordsandterms,whenusedinthischapter,shallhavethefollowingmeanings,unlessthecontextclearlyindicatesotherwise:“Act”meanstheBoilerandPressureVesselSafetyAct,Chapter3.1(§40.1-51.5etseq.ofTitle40.1)oftheCodeofVirginia.“Alteration”meansanychangeintheitemdescribedontheoriginalManufacturers'DataReportwhichaffectsthepressurecontainingcapabilityoftheboilerorpressurevessel.Non-physicalchanges,suchasanincreaseinthemaximumallowableworkingpressure(internalorexternal)ordesigntemperatureofaboilerorpressurevessel,shallbeconsideredanalteration.Areductioninminimumtemperaturesuchthatadditionalmechanicaltestsarerequiredshallalsobeconsideredanalteration.“Approved”meansacceptabletotheboard,commissionerorchiefinspectorasapplicable.“ASMECode”meanstheBoilerandPressureVesselCodeoftheAmericanSocietyofMechanicalEngineersapprovedandadoptedbythegoverningcouncilofsuchsocietyandapprovedandadoptedbytheboard.“AuthorizedInspectionAgency”meansoneofthefollowing:a.Adepartmentordivisionestablishedbyastate,commonwealthormunicipalityoftheUnitedStates,oraprovinceofCanadawhichhasadoptedoneormoresectionsoftheBoilerandPressureVesselCodeoftheASMEandwhoseinspectorsholdvalidcommissionswiththeNationalBoardofBoilerandPressureVesselInspectors;orequivalentqualificationsasdefinedandsetforthin16VAC25-50-50and16VAC25-50-70;b.Aninspectionagencyofaninsurancecompanywhichisauthorized(licensed)towriteboilerandpressurevesselinsuranceinthosejurisdictionswhichhaveexaminedtheagency'sinspectorstorepresentsuchjurisdictionsasisevidentbytheissuanceofavalidcertificateofcompetencytotheinspector;c.Anowner-userinspectionagencyasdefinedinthissection;ord.Acontractfeeinspector.“Board”meanstheVirginiaSafetyandHealthCodesBoard.VIRGINIASAFETYANDHEALTHCODESBOARDPage3of5016VAC25-50-10etseq.BOILERANDPRESSUREVESSELRULESANDREGULATIONS“Boiler”meansaclosedvesselinwhichwaterisheated,steamisgenerated,steamissuperheated,oranycombinationofthem,underpressureorvacuumforuseexternallytoitselfbythedirectapplicationofheat.Thetermboilershallincludefiredunitsforheatingorvaporizingliquidsotherthanwaterwheretheseunitsareseparatefromprocessingsystemsandarecompletewithinthemselves.“Certificateofcompetency”meansacertificateissuedbythecommissionertoapersonwhohaspassedtheprescribedexaminationasprovidedin16VAC25-50-50.See§§40.1-51.9and40.1-51.9:1oftheAct.“Certificateinspection”meansaninspection,thereportofwhichisusedbythechiefinspectortodecidewhetherornotacertificate,asprovidedforin§40.1-51.10oftheAct,maybeissued.Thiscertificateinspectionshallbeaninternalinspectionwhenrequired;otherwise,itshallbeascompleteaninspectionaspossible.“Chiefinspector”meansthechiefboilerandpressurevesselinspectoroftheCommonwealth.“Commission,NationalBoard”meansthecommissionissuedbytheNationalBoardtoaholderofaCertificateofCompetencyforthepurposeofconductinginspectionsinaccordancewiththeNationalBoardBylawsandthischapter.Theemployermustsubmittheinspector'sapplicationtotheNationalBoardforacommission.“Commissioner”meanstheCommissioneroftheDepartmentofLaborandIndustry.“Commonwealthinspector”meansanyagentappointedbythecommissionerundertheprovisionsof§40.1-51.9oftheAct.“Condemnedboilerorpressurevessel”meansaboilerorpressurevesselthathasbeeninspectedanddeclaredunsafeforuseordisqualifiedbylegalrequirementsandtowhichastampingormarkingdesignatingitscondemnationhasbeenappliedbythechieforcommonwealthinspector.“Department”meanstheDepartmentofLaborandIndustry.“Division”meanstheBoilerSafetyEnforcementDivisionoftheDepartmentofLaborandIndustry.“Electricboiler”meansaboilerinwhichthesourceofheatiselectricity.“ExaminingBoard”meanspersonsappointedbythechiefinspectortomonitorexaminationsofinspectors.VIRGINIASAFETYANDHEALTHCODESBOARDPage4of5016VAC25-50-10etseq.BOILERANDPRESSUREVESSELRULESANDREGULATIONS“Existinginstallation”meansandincludesanyboilerorpressurevesselconstructed,installed,placedinoperationorcontractedforbeforeJuly1,1974.“Externalinspection”meansaninspectionoftheexterioroftheboilerorpressurevesselanditsapplianceswhentheitemisinoperation.“Heatingboiler”meansasteamorvaporboileroperatingatpressuresnotexceeding15psig,orahot-waterboileroperatingatpressuresnotexceeding160psigortemperaturenotexceeding250°Fatorneartheboileroutlet.“High-pressure,high-temperaturewaterboiler”meansawaterboileroperatingatpressuresexceeding160psigortemperaturesexceeding250°Fatorneartheboileroutlet.“Hobbyboiler”meansasteamboilerwhichservesnocommercialpurposeandisusedsolelyforhobbyordisplayandoperatedsolelyfortheenjoymentoftheowner.“Hot-watersupplyboiler”meansaboilerfurnishinghotwatertobeusedexternallytoitselfatpressuresnotexceeding160psigortemperaturesnotexceeding250°Fatorneartheboileroutlet,withtheexceptionofboilerswhicharedirectlyfiredbyoil,gasorelectricitywherenoneofth