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ASME BPVC-III-1-NB-2017 BPVC III NB 2017

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ASME BPVC III 1 NB 2017 Division 1 Subsection NB Class 1 Components SECTION III Rules for Construction of Nuclear Facility Components 2017 ASME Boiler and Pressure Vessel Code An International Code Markings such as ASME ASME Standard or any other marking including ASME ASME logos or the Certification Mark shall not be used on any item that is not constructed in accordance with all of the applicable requirements of the Code or Standard Use of ASME s name logos or Certification Mark requires f ormal ASME certification if no certification program is available such ASME markings may not be used For Certification and Accreditation Programs see https www asme org shop certification accreditation Items produced by parties not f ormally certified by ASME may not be described either explicitly or implicitly as ASME certified or approved in any code forms or other document III R ULESFORCONSTR UCTION OFNUCLEA RFA CILITY COMPONENTS Div ision1 SubsectionNB Class1Components A SMEBoil erandPr essureVesselCommittee onConstr uctionofNuclearFacilityComponents A NINTERNATIONA LCODE 2017A SMEBoilerlatestedition2017 TheAmericanSocietyofMechanicalEng ineers TwoParkAv enue NewY ork NY10016 5990 Copyrig ht 2017by THEAMERICANSOCIETYOFMECHANICALENGINEERS Allrig htsreserv ed TA BLEOFCONTENTS ListofSect ions x Forew ord x ii St at ementofPolicyont heUseoft heCert ificat ionMarkandCodeAut horizationinAdvert ising xiv St at ementofPolicyont heUseofASMEMark ingt oIdent ifyManufact uredItems xiv Submit t alofTechnicalInquiriestot heBoilerandPressureVesselSt andardsCommit t ees xv Personnel xv iii Organizat ionofSect ionIII xxxvii SummaryofChanges xl ListofChangesinRecordNumberOrder xliii Cross R eferencingandStylist icChangesint heBoilerandPressureVesselCode xliv ArticleNB 1000Introduction 1 NB 1100Scope 1 NB 1110Aspect sofConstruct ionCoveredbyTheseRules 1 NB 1120Temperat ureLimit s 1 NB 1130BoundariesofJurisdict ionApplicabletoThisSubsect ion 1 NB 1140ElectricalandMechanicalPenet rat ionAssemblies 2 ArticleNB 2000Material 7 NB 2100GeneralRequirement sforMat erial 7 NB 2110ScopeofPrincipalTermsEmploy ed 7 NB 2120Pressure Ret ainingMat erial 7 NB 2130CertificationofMaterial 9 NB 2140WeldingMat erial 9 NB 2150Mat erialIdent ificat ion 9 NB 2160Det eriorat ionofMat erialinService 9 NB 2170HeatTreat mentt oEnhanceImpactProperties 9 NB 2180ProceduresforHeatTreat mentofMat erial 9 NB 2190Non Pressure Ret ainingMat erial 10 NB 2200Mat erialTestCouponsandSpecimensforFerrit icSt eelMat erial 10 NB 2210HeatTreat mentRequirement s 10 NB 2220ProcedureforObt ainingTestCouponsandSpecimensforQuenchedandTempered Mat erial 10 NB 2300Fract ureToughnessRequirement sforMaterial 12 NB 2310Mat erialt oBeImpactTest ed 12 NB 2320ImpactTestProcedures 13 NB 2330TestRequirement sandAccept anceSt andards 13 NB 2340NumberofImpactTest sRequired 14 NB 2350Ret ests 15 NB 2360Calibrat ionofInst rument sandEquipment 15 NB 2400WeldingMat erial 16 NB 2410GeneralRequirement s 16 NB 2420RequiredTests 16 NB 2430WeldMet alTest s 16 NB 2440St orageandHandlingofWeldingMat erial 19 NB 2500ExaminationandRepairofPressure Ret ainingMaterial 19 NB 2510ExaminationofPressure RetainingMat erial 19 NB 2520ExaminationAft erQ uenchingandTempering 19 NB 2530ExaminationandRepairofPlat e 19 NB 2540ExaminationandRepairofForgingsandBars 22 iii NB 2550Examinat ionandRepairofSeamlessandWelded Wit houtFillerMet al TubularProduct s andFit t ings 24 NB 2560Examinat ionandRepairofTubularProduct sandFit t ingsWeldedW it hFillerMet al 26 NB 2570Examinat ionandRepairofSt aticallyandCent rifugallyCastProduct s 27 NB 2580Examinat ionofBolt s Studs andNut s 33 NB 2600Mat erialOrganizations Qualit ySyst emPrograms 35 NB 2610Document at ionandMaint enanceofQ ualit ySy stemPrograms 35 NB 2700DimensionalStandards 35 ArticleNB 3000Design 36 NB 3100GeneralDesig n 36 NB 3110LoadingCrit eria 36 NB 3120SpecialConsiderat ions 36 NB 3130GeneralDesig nRules 37 NB 3200DesignbyAnaly sis 41 NB 3210Requirement sforAccept abilit y 41 NB 3300V esselDesign 41 NB 3310GeneralRequirements 41 NB 3320DesignConsiderat ions 41 NB 3330OpeningsandReinforcement 41 NB 3340AnalysisofVessels 49 NB 3350DesignofWeldedConstruct ion 50 NB 3360SpecialVesselR equirement s 52 NB 3400PumpDesign 53 NB 3410GeneralRequirementsforCent rifugalPumps 53 NB 3420Definit ions 54 NB 3430DesignR equirementsforCent rifugalPumps 54 NB 3440DesignofSpecificPumpTy pes 56 NB 3500V alveDesign 58 NB 3510Accept abilit y 58 NB 3520DesignConsiderat ions 60 NB 3530GeneralRules 60 NB 3540DesignofPressure Ret ainingPart s 63 NB 3550CyclicLoadingRequirement s 76 NB 3560DesignR eport s 77 NB 3590PressureR eliefV alv eDesign 77 NB 3600PipingDesign 82 NB 3610GeneralRequirements 82 NB 3620DesignConsiderat ions 83 NB 3630PipingDesignandAnalysisCrit eria 85 NB 3640PressureDesign 86 NB 3650AnalysisofPipingProduct s 95 NB 3660DesignofWelds 101 NB 3670SpecialPipingRequirements 101 NB 3680St ressIndicesandFlexibilit yFact ors 103 NB 3690DimensionalRequirement sforPipingProduct s 117 ArticleNB 4000FabricationandInstallation 118 NB 4100GeneralRequirements 118 NB 4110Introduction 118 NB 4120Cert ificat ionofMat erialsandFabricat ionbyCert ificat eHolder 118 NB 4130RepairofMaterial 119 NB 4200Forming Fit ting andAligning 119 NB 4210Cut t ing Forming andBending 119 NB 4220FormingTolerances 120 NB 4230Fit t ingandAligning 122 NB 4240Requirement sforWeldJoint sinComponent s 124 iv NB 4250WeldingEndTransit ions MaximumEnv elope 131 NB 4300WeldingQ ualificat ions 132 NB 4310GeneralRequirement s 132 NB 4320WeldingQ ualificat ions Records andIdent ifyingSt amps 136 NB 4330GeneralRequirement sforWeldingProcedureQualificat ionTests 137 NB 4350SpecialQualificat ionRequirement sforTube t o TubesheetW elds 140 NB 4360Q ualificat ionRequirement sforWeldingSpeciallyDesignedWeldedSeals 140 NB 4400RulesGov erningMak ing Examining andRepairingWelds 141 NB 4410Precaut ionst oBeTak enBeforeWelding 141 NB 4420RulesforMakingWeldedJoint s 142 NB 4430WeldingofAt tachments 143 NB 4440WeldingofAppurtenances 146 NB 4450RepairofW eldMetalDefects 146 NB 4500Brazing 147 NB 4510RulesforBrazing 147 NB 4520BrazingQ ualificat ionRequirements 148 NB 4530Fit tingandAligningofPart st oBeBrazed 149 NB 4540ExaminationofBrazedJoint s 149 NB 4600HeatTreat ment 149 NB 4610WeldingPreheatR equirement s 149 NB 4620Post weldHeatTreat ment 149 NB 4630HeatTreat mentofWeldsOtherThant heFinalPost weldHeatTreat ment 157 NB 4650HeatTreat mentAfterBendingorFormingforPipes Pumps andV alves 157 NB 4660HeatTreat mentofElect roslagWelds 157 NB 4700MechanicalJoint s 157 NB 4710BoltingandThreading 157 NB 4720BoltingFlangedJoint s 157 NB 4730ElectricalandMechanicalPenet rat ionAssemblies 157 ArticleNB 5000Examination 158 NB 5100GeneralRequirement sforExamination 158 NB 5110Met hods Nondestruct iveExaminat ionProcedures andCleaning 158 NB 5120TimeofExaminationofW eldsandWeldMet alCladding 158 NB 5130ExaminationofW eldEdgePreparat ionSurfaces 159 NB 5140ExaminationofW eldsandAdjacentBaseMat erial 160 NB 5200RequiredExaminat ionofWeldsforFabricat ionandPreserv iceBaseline 160 NB 5210Cat egoryAVesselWeldedJointsandLongit udinalW eldedJoint sinOtherComponent s160 NB 5220Cat egoryBV esselWeldedJointsandCircumferent ialW eldedJoint sinPiping Pumps and V alves 160 NB 5230Cat egoryCVesselWeldedJoint sandSimilarW eldedJoint sinOt herComponent s 160 NB 5240Cat egoryDV esselWeldedJoint sandBranchandPipingConnect ionsinOt her Component s 160 NB 5250WeldMet alBuildupstoFormNozzles BranchandPipingConnectionsandforClosure OpeningReinforcement 161 NB 5260Fillet Part ialPenet rat ion Sock et andAt t achmentWeldedJoint s 161 NB 5270SpecialW eldedJoint s 161 NB 5280Preserv iceExaminat ion 162 NB 5300Accept anceSt andards 162 NB 5320RadiographicAccept anceSt andards 162 NB 5330UltrasonicAccept anceSt andards 163 NB 5340Magnet icPart icleAcceptanceSt andards 163 NB 5350LiquidPenet rantAccept anceSt andards 163 NB 5360EddyCurrentPreserv iceExaminat ionofInst alledNonferromagnet icSt eamGenerat or HeatExchang erTubing 164 v NB 5370V isualAcceptanceSt andardsforBrazedJoint s 164 NB 5380BubbleFormat ionTest ing 164 NB 5400FinalEx aminat ionofVessels 164 NB 5410Examinat ionAft erHy drost at icTest 164 NB 5500QualificationsandCertificationofNondest ruct iveExaminat ionPersonnel 164 NB 5510GeneralRequirements 164 NB 5520PersonnelQ ualificat ion Cert ificat ion andVerification 164 NB 5530Records 165 ArticleNB 6000Testing 166 NB 6100GeneralRequirements 166 NB 6110PressureTest ingofComponent s Appurt enances andSyst ems 166 NB 6120Preparat ionforTest ing 167 NB 6200Hydrostat icTest s 167 NB 6210Hydrostat icTestProcedure 167 NB 6220Hydrostat icTestPressureRequirement s 167 NB 6300Pneumat icTest s 168 NB 6310Pneumat icTest ingProcedures 168 NB 6320Pneumat icTestPressureR equirement s 168 NB 6400PressureTestGages 168 NB 6410 168 NB 6600SpecialTestPressureSit uat ions 169 NB 6610Component sDesignedforExt ernalPressure 169 NB 6620PressureTest ingofCombinat ionUnit s 169 ArticleNB 7000Ov erpressureProtection 170 NB 7100GeneralRequirements 170 NB 7110Scope 170 NB 7120Integrat edOv erpressureProt ect ion 170 NB 7130V erificationoft heOperat ionofReclosingPressureR eliefDevices 170 NB 7140Inst allat ion 170 NB 7150Accept ablePressureR eliefDevices 171 NB 7160Unaccept ablePressureReliefDev ices 171 NB 7170Permitt edUseofPressureReliefDev ices 171 NB 7200OverpressureProt ectionReport 172 NB 7210Responsibilit yforReport 172 NB 7220Cont entofR eport 172 NB 7230Cert ificat ionofReport 172 NB 7240ReviewofReportAft erInst allat ion 173 NB 7250FilingofReport 173 NB 7300Reliev ingCapacit y 173 NB 7310Expect edSy st emPressureTransientCondit ions 173 NB 7320Unexpect edSy st emExcessPressureTransientCondit ions 173 NB 7400SetPressuresofPressureReliefDev ices 174 NB 7410SetPressureLimit at ionsforExpect edSyst emPressureTransientCondit ions 174 NB 7420SetPressureLimit at ionforUnexpectedSy stemExcessPressureTransientCondit ions174 NB 7500Operat ingandDesignRequirement sforPressureReliefValves 174 NB 7510Safet y Safet yRelief andReliefValv es 174 NB 7520Pilot Operat edPressureR eliefV alves 175 NB 7530Pow er Actuat edPressureReliefV alv es 176 NB 7540Safet yValvesandPilot Operat edPressureReliefValvesWit hAuxiliaryActuating Dev ices 176 vi NB 7550Alt ernat iveTestMedia 177 NB 7600NonreclosingPressureReliefDevices 178 NB 7610RuptureDiskDev ices 178 NB 7620Inst allat ion 178 NB 7700Certificat ion 179 NB 7710Responsibilit yforCert ificat ionofPressureReliefV alves 179 NB 7720Responsibilit yforCert ificat ionofNonreclosingPressureReliefDev ices 179 NB 7730Capacit yCert ificat ionofPressureReliefValves CompressibleFluids 179 NB 7740Capacit yCert ificat ionofPressureReliefValves IncompressibleFluids 182 NB 7800Marking St ampingWit hCert ificat ionMark andDat aReports 184 NB 7810PressureReliefValves 184 NB 7820RuptureDiskDev ices 184 NB 7830Certificat eofAuthorizat iontoUseCertificationMark 185 ArticleNB 8000Nameplates StampingWithCertificationMark andReports 186 NB 8100GeneralRequirement s 186 FIGURES NB 1132 2 1At t achment sint heComponentSupportLoadPat hThatDoNotPerforma Pressure Ret ainingFunction 3 NB 1132 2 2At t achment sThatDoNotPerformaPressure RetainingFunct ionandAreNotint he ComponentSupportLoadPat h Nonst ruct uralAt t achment s 4 NB 1132 2 3At t achment sThatPerformaPressure R et ainingFunct ion 5 NB 1132 2 4At t achment sWit hint heReactorPressureV essel CoreSupportSt ruct ures ThatDoNot PerformaPressure R et ainingFunct ion 6 NB 2433 1 1WeldMet alDelt aFerrit eCont ent 20 NB 2552 1AxialPropagat ionofSoundinTubeWall 25 NB 2575 2 1TypicalPressure RetainingPartsofPumpsandValves 31 NB 3332 2 1ChartforDet erminingV alueofF 43 NB 3338 2 a 1Direct ionofStressComponents 45 NB 3338 2 a 2NozzleDimensions 46 NB 3339 1 b 1ExamplesofAccept ableTransit ionDet ails 48 NB 3339 4 1Limit sofReinforcingZone 49 NB 3351 1WeldedJointLocat ionsTy picalofCat egoriesA B C andD 50 NB 3352 1TypicalBut tJoint s 51 NB 3361 1Cat egoryAandBJoint sBet weenSect ionsofUnequalThick ness 53 NB 3423 1TypicalSingleVolut eCasing 54 NB 3423 2TypicalDoubleVolut eCasing 54 NB 3433 4 1MinimumTangent ialInletandOut letWallThick ness 55 NB 3441 1 1TypeAPump 56 NB 3441 1 2TypeAPump 56 NB 3441 2 1TypeBPump 56 NB 3441 3 1TypeCPump 57 NB 3441 3 2TypeCPump 57 NB 3441 4 a 1TypeDPump 58 NB 3441 5 1TypeEPump 58 NB 3441 6 a 1TypeFPump 58 NB 3544 1 a 1Fillet sandCorners 64 NB 3544 1 c 1RingGroov es 64 NB 3544 3 1LugsandProt uberances 65 NB 3544 7 1FlatWallLimit ation 66 NB 3545 1 a 1PressureAreaMet hod 67 NB 3545 2 a 1Crit icalSect ionsofV alveBodies 70 vii NB 3545 2 c 1ModelforDet erminingSecondarySt ressinV alv eCrotchR egion 72 NB 3545 2 c 3ThermalStressIndexVersusThick nessCont inuit yRunorBranch 73 NB 3545 2 c 4SecondarySt ressIndexVersusThicknessDiscontinuit yR unorBranch 74 NB 3545 2 c 5C 4 V ersusT e1 t e 75 NB 3545 2 c 6St ressIndexforThermalFat igue 75 NB 3591 1 1Ty picalPressureReliefDevices 79 NB 3591 1 2Ty picalPressureReliefandSafet yR eliefDevices 80 NB 3594 3 1ValveNozzle 81 NB 3622 1Ex amplesofRev ersingandNonrev ersingDy namicLoads 84 NB 3643 3 a 1BranchConnect ionNomenclat ure 89 NB 3643 3 a 2Ty picalR einforcementofOpenings 90 NB 3643 3 a 3Ty picalR einforcedExt rudedOut let 91 NB 3644 b 1MiterJointGeomet ry 93 NB 3647 2 1Ty pesofPermanentBlanks 94 NB 3653 2 b 1DecompositionofTemperat ureDist ribut ionRang e 97 NB 3683 1 c 1 106 NB 3683 1 d 1 107 NB 3683 6 1 110 NB 3684 1Direct ionofSt ressComponent s 112 NB 3685 2 1ElbowNomenclat ure 115 NB 3686 1 1 115 NB 3686 2 1 116 NB 3686 5 1BranchConnect ionsinStraightPipe 116 NB 3686 6 1Reducers 117 NB 4221 1 1MaximumDifferenceinCross Sect ionalDiamet ers 121 NB 4221 2 a 1MaximumPermissibleDev iat ioneFromaTrueCircularForm 122 NB 4221 2 a 2MaximumArcLengthforDeterminingPlusorMinusDev iat ion 123 NB 4233 a 1But tW eldAlignmentandMismat chTolerancesforUnequalI D andO D W henCom ponentsAreWeldedFromOneSideandFairingIsNotPerformed 125 NB 4243 1Accept ableFullPenet rat ionWeldDetailsforCat egoryCJoint s NB 3352 3 126 NB 4244 a 1NozzlesJoinedbyFullPenet rat ionBut tWelds 127 NB 4244 b 1NozzlesJoinedbyFullPenet rat ionCornerWelds 128 NB 4244 c 1Deposit edW eldMetalUsedasReinforcementofOpening sforNozzles 129 NB 4244 d 1Part ialPenet rat ionNozzles 130 NB 4244 d 2Part ialPenet rat ionNozzleforCoaxialCy linders 131 NB 4244 e 1ObliqueConnections 132 NB 4246 a 1Ty picalPipingBranchConnectionsJoinedbyFullPenetrat ionWelds 133 NB 4246 b 1Ty picalPipingBranchConnectionsJoinedbyaFilletW eldoraPart ialPenet rat ion Weld 134 NB 4250 1WeldingEndTransit ions MaximumEnvelope 135 NB 4250 2Componentt oPipeWeld 136 NB 4250 3Pipet oPipeWeld 136 NB 4427 1FilletandSocketWeldDet ailsandDimensions 144 NB 4433 1Ty pesofAt t achmentWelds 145 NB 4440 1Appurt enanceWeldJointDet ails NPS2 DN50 andSmaller 147 NB 4511 1BrazedConnectionsforAppurt enancesandPiping NPS1 DN25 andSmaller 148 NB 4622 9 d 1 1DissimilarMet alR epairCav it yMeasurement 156 T A BLES NB 2332 a 1R equiredC v ValuesforPiping Pumps andValves 14 NB 2333 1RequiredC v ValuesforBolt ingMat erial 15 NB 2432 1 1SamplingofW eldingMat erialsforChemicalAnaly sis 18 NB 2432 2 a 1ChemicalAnaly sisforReactorVesselW eldingMat erial 18 NB 2432 2 a 2ChemicalAnaly sisforWeldingMat erialforOt herThanReact orV esselWelds 19 NB 2571 1RequiredExaminat ions 28 NB 3338 2 c 1StressIndicesforNozzles 47 v iii NB 3339 3 1RequiredMinimumReinforcingArea A r 48 NB 3339 7 c 1St ressIndicesforInternalPressureLoading 49 NB 3641 1 a 1V aluesofA 87 NB 3681 a 1St ressIndicesforUseWit hEquat ionsinNB 3650 104 NB 3685 1 1Curv edPipeorWeldingEndElbow s Int ernalPressure 113 NB 3685 1 2 Curv edPipeorWeldingEndElbow s MomentLoading 114 NB 4232 1MaximumAllowableOffsetinFinalWeldedJoint s 123 NB 4524 1MaximumDesignTemperaturesforBrazingFillerMet al 149 NB 4622 1 1Mandat oryRequirementsforPost w eldHeatTreat mentofWelds 151 NB 4622 4 c 1Alternat iveHoldingTemperaturesandTimes 152 NB 4622 7 b 1Exemptionst oMandatoryPWHT 153 NB 5111 1Thickness IQIDesignat ions Essent ialHoles andWireDiamet ers 159 ENDNOTES 187 ix 17 LISTOFSECTIONS SECTIONS IRulesforConst ruct ionofPowerBoilers IIMat erials PartA FerrousMat erialSpecificat ions PartB NonferrousMat erialSpecificat ions PartC Specificat ionsforWeldingRods Elect rodes andFillerMetals PartD Propert ies Cust omary PartD Propert ies Met ric IIIRulesforConst ructionofNuclearFacilit yComponent s Subsect ionNCA GeneralR equirement sforDivision1andDivision2 Appendices Div ision1 Subsect ionNB Class1Component s Subsect ionNC Class2Component s Subsect ionND Class3Component s Subsect ionNE ClassMCComponent s Subsect ionNF Support s Subsect ionNG CoreSupportSt ructures Division2 CodeforConcret eCont ainment s Division3 Cont ainmentSyst emsforTransport at ionandStorageofSpentNuclearFuelandHigh Level R adioact iv eMat erial Division5 HighTemperat ureReact ors IVRulesforConstruct ionofHeat ingBoilers VNondest ructiveExaminat ion V IRecommendedRulesfort heCareandOperat ionofHeat ingBoilers V IIRecommendedGuidelinesfort heCareofPowerBoilers V IIIRulesforConstruct ionofPressureV essels Division1 Division2 Alt ernativeRules Division3 Alt ernativeRulesforConst ruct ionofHighPressureVessels IXW elding Brazing andFusingQualificat ions XFiber R einforcedPlast icPressureV essels X IRulesforInserviceInspect ionofNuclearPow erPlantComponent s X IIRulesforConstruct ionandCont inuedServiceofTransportTank s The2015EditionofSectionIIIw asthelasteditioninw hichSect ionIII Div ision1 SubsectionNH Clas s1ComponentsinEl evatedTem peratureServ ic e w aspublished TherequirementslocatedwithinSubsectionNHweremov edtoSectionIII Div ision5 SubsectionHB Subpart Bfortheelev atedtemperatureconstructionofClassAcomponents x INTERPRETA T IONS Int erpretat ionsareissuedinrealt imeinASME sInt erpret at ionsDat abaseatht t p go asme org Int erpret ations His t oricalBPV Cint erpretat ionsmayalsobefoundint heDatabase CODECA SES TheBoilerandPressureV esselCodecommitt eesmeetregularlyt oconsiderproposedaddit ionsandrevisionst ot he Codeandt oformulat eCasest oclarifyt heint entofexist ingrequirementsorprovide w hent heneedisurgent rulesfor mat erialsorconst ruct ionsnotcoveredbyexistingCoderules ThoseCasest hathav ebeenadopt edwillappearint he appropriat e2017CodeCasesbook BoilersandPressureV essels or NuclearComponent s Supplement swillbesent ormadeav ailableautomat icallyt ot hepurchasersoft heCodeCasesbook supt ot hepublicat ionoft he2019Code xi FOREWORD In1911 TheAmericanSociet yofMechanicalEngineersestablishedt heBoilerandPressureVesselCommit t eet ofor mulat est andardrulesfort heconst ruct ionofst eamboilersandot herpressurev essels In2009 t heBoilerandPressure VesselCommit t eew assupersededbyt hefollowingcommit tees a Commit t eeonPowerBoilers I b Commit t eeonMat erials II c Commit t eeonConstruct ionofNuclearFacilit yComponent s III d Commit t eeonHeat ingBoilers IV e Commit t eeonNondest ruct iv eEx aminat ion V f Commit t eeonPressureVessels VIII g Commit t eeonWelding Brazing andFusing IX h Commit t eeonFiber ReinforcedPlast icPressureV essels X i Commit t eeonNuclearInserviceInspect ion XI j Commit t eeonTransportTank s XII k TechnicalOversightManagementCommit t ee TOMC Wherereferenceismadet o t heCommit tee int hisForew ord eachoft hesecommit t eesisincludedindividuallyand collect iv ely TheCommittee sfunctionistoestablishrulesofsafetyrelatingonlytopressureintegrity whichgovernthe const ruct ion ofboilers pressurev essels t ransporttank s andnuclearcomponent s andt heinserv iceinspect ionofnu clearcomponent sandt ransportt ank s TheCommit t eealsoint erpret st heseruleswhenquest ionsariseregardingt heir int ent Thet echnicalconsist encyoft heSect ionsoftheCodeandcoordinat ionofstandardsdev elopmentact ivit iesoft he Commit t eesissupport edandguidedbyt heTechnicalOversightManagementCommitt ee ThisCodedoesnotaddress ot hersafet yissuesrelat ingt otheconst ruct ionofboilers pressurevessels t ransportt ank s ornuclearcomponent s or t heinserviceinspect ionofnuclearcomponent sort ranspo

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