RCC-M-Edition 2007 SECTION I：SUBSECTION A GENERAL

GENERALRULESSECTIONI:SUBSECTIONADESIGNANDCONSTRUCTIONRULESFORMECHANICALCOMPONENTSOFPWRNUCLEARISLANDSRCC-MRCC-MRCC-M-Edition2007SubsectionAA1000OBJECTIVESANDSTRUCTUREOFTHECODEA1100OBJECTIVESThedesignandconstructionrulesapplicabletomechanicalcomponentsofPWRNuclearIslands(RCC-M)areapartofthecollectionofdesignandconstructionrulesfornuclearpowerplants.Itcoverstherulesapplicabletothedesignandmanufactureofpressureboundariesofmechanicalequipmentofpressurizedwaterreactors(PWR).ThepressurecomponentssubjecttotheRCC-MarespecifiedinA4000.Theyincludethereactorfluidsystems(primary,secondaryandauxiliarysystems)andothercomponentswhicharenotsubjecttopressure:vesselinternals,supportsforpressurecomponentssubjecttotheRCC-M,nuclearislandstoragetanks.WhenapressureequipmentissubjecttotheRCC-M,allitselementssubjecttopressurearealso,inaccordancewiththeprovisionsofA4000,andtheseelementsarethesameclassasthecomponent.InthiscasealltheprovisionsoftheRCC-Mareapplicable:design,procurement,manufacture,inspectionandpressuretesting.ElementswhicharenotsubjecttopressureandwhicharesubjecttotheRCC-MmaybecoveredwithintheCodebylimitedspecificprovisions(procurementofmaterialsforexample).Theotherrulesapplicabletothisequipmentmustbeincontractualform.Theassembliescomprisingpressureequipmentassembledbyamanufacturertoconstituteanintegratedandfunctionalwhole,shallbesubjecttotherulesindicatedinthisCode.MainobjectivesofCodeRequirementsaretoensuretheintegrityandmechanicalstabilityovertheequipmentdesignlife.FunctionabilityandoperabilityofequipmentarenotdirectlyaddressedintheCode.TheRCC-Mcontributestoensuringcompliancewithregulatoryrequirements.Theserequirementsdependontheapplicableregulatorycontext.Forinformationpurposes:-Thecorrespondencebetweentheessentialsafetyrequirementsmentionedinannex1ofEuropeanDirective97/23/ECandtheprovisionsoftheRCC-MisgiveninannexZZofthisCode.-Thecorrespondencebetweenannexes1,2,3and4oftheFrenchOrderdatedDecember12,2005,andtheprovisionsoftheRCC-MisgivenrespectivelyinchaptersZY1,ZY2,ZY3andZY4ofannexZYofthisCode.-Theprovisionsapplicablebywayofannex1ofEuropeanDirective97/23/ECareclarifiedinannexZU.-TheprovisionsapplicablebywayoftheFrenchOrderdatedDecember12,2005,areclarifiedinannexZT.©n°113-2007A1000/1RCC-M-Edition2007SubsectionAApplicationtootherregulatoryframeworksmustbecoveredbyappropriateprovisionsintheequipmentspecificationorinotherdocumentsspecifiedbythecontract.TheRCC-MisrepresentativeofthestateoftheartasconcernsthedesignandmanufactureofPWRcomponents,ensuringanoverallsafetyleveltestedthroughexperience.A1200STRUCTUREA1210GENERALSTRUCTURETheRCC-Mconsistsoffivesections(SeeTable1210.1),whichproviderulesforthedesignandconstructionprocessofequipment.SectionIisdividedintosubsectionsprovidingspecificrulesfordifferentcomponenttypesandclasses.SECTIONSIItoVproviderulesforthefollowingtechnicalfields:-SectionIIcoversrequirementsfortheprocurementofpartsandproducts.-SectionIIIspecifiesrulesfordestructivetestingandnon-destructiveexamination.-SectionIVspecifiesrulesforthequalificationandperformanceofweldingoperations.-SectionVspecifiesrulesformanufacturingoperationsotherthanwelding.SECTIONIcomprisessubsectionsnumberedalphanumerically:-SubsectionAcoversallgeneralrequirementsrelatingtoapplicationoftheserules.-SubsectionsB,C,D,E,G,H,JandPareapplicableto:-TOPRESSURECOMPONENTSOFAGIVENCLASSSubsectionBappliestoclass1components,SubsectionCappliestoclass2components,SubsectionDappliestoclass3components.Eachofthesesubsectionscoversvessels(vessels,heatexchangers),pumps,valves(excludingactuators)andpiping.-SPECIFICCOMPONENTSSubsectionGappliestoReactorinternals,SubsectionPappliestoContainmentpipepenetration.A1000/2©n°113-2007RCC-M-Edition2007SubsectionA-ALLCLASSESOFAGIVENTYPEOFCOMPONENTSubsectionH:Supports,SubsectionE:Smallpressurecomponents,SubsectionJ:Lowpressureoratmosphericstoragetanks.TableA1210.1:StructureofRCC-MGeneralContentsReferenceSymbolSECTIONI-NUCLEARISLANDCOMPONENTSSubsectionAGeneralrulesASubsectionZTechnicalappendicesZSubsectionBClass1componentsBSubsectionCClass2componentsCSubsectionDClass3componentsDSubsectionESmallcomponentsESubsectionGReactorinternalsGSubsectionHSupportsHSubsectionJLowpressureoratmosphericstoragetanksJSubsectionPContainmentpenetrationPSECTIONII-MATERIALSMSECTIONIII-EXAMINATIONMETHODSMCSECTIONIV-WELDINGSSECTIONV-FABRICATIONFA1220STRUCTUREOFSUBSECTIONSSubsectionsB,C,D,E,G,HandJhaveallthesamegeneralstructure.-Chapter1000specifiesthescopeofthesubsection,plusgeneralprovisions.Wherethesubsectionhasaspecificstructure,itisdescribedinmoredetailinchapter1000.-Chapter2000specifiestheproductsandpartswhichmaybeusedforthemanufactureofcomponents.-Chapter3000providesrulesfordesignofcomponents.ThedifferentsubsectionsB,C,D,E,G,H,Jincludespecificprovisionswithrespecttodesignrules,allowablestressesanddesignrequirements.-Chapter4000providesrulesforfabricationandexamination.©n°113-2007A1000/3RCC-M-Edition2007SubsectionA-Chapter5000dealswithitemswhicharespecifictothecomponentscoveredineachsubsection:testsforpressurecomponentsandstoragetanks,approv