ASMENDE人员细则.docx
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ASMENDE人员细则.docx
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ASMENDE人员细则
WrittenPracticeforQualification
andCertificationofNDEPersonnel
PREPARE/DATE
REVIEW/DATE
APPROVE/DATE
1.
Scope
1.1ThiswrittenpracticeprovidesguidelineforthequalificationandcertificationofNDEpersonnelwhoareengagedinASMECodeproductsmanufacturing.
1.2ThispracticeshallbeincompliancewiththerequirementsofSNT-TC-1A(currentCodeacceptededition).
2.Definitions
2.1Termsincludedinthispracticearedefinedasfollows:
1).Qualification:
Demonstratedskill,demonstratedknowledge,documentedtraininganddocumentedexperiencerequiredforpersonneltoproperlyperformthedutiesofaspecificjob.
2).Certification:
Writtentestimonyofqualification.
3).Training:
Theorganizedprogramdevelopedtoimparttheknowledgeandskillsnecessaryforqualification.
4).Experience:
WorkactivitiesaccomplishedinaspecificNDEmethodunderthedirectionofqualifiedsupervisionincludingtheperformanceoftheNDEmethodandcorrespondingworkingscopebutnotincludingtimespentinorganizedtrainingprograms.
5).Certificate:
Certifieddocument.
3.NondestructiveTestingMethods
QualificationandcertificationofNDEpersonnelinaccordancewiththispracticeisapplicabletothefollowingmethods:
1)RadiographicTesting(RT)
2)UltrasonicTesting(UT)
3)LiquidPenetrationTesting(PT)
4)MagneticParticleTesting(MT)
4.LevelsofQualification
4.1Therearethree(3)basicLevelsofqualificationforNDEindividualsinaccordancewithSNT-TC-1A(currentCodeacceptededition).
4.2Whileintheprocessofbeingqualifiedandcertified,anindividualshallbeconsideredatrainee.Atraineeshallworkwithacertifiedindividualandshallnotindependentlyconduct,interpret,evaluate,orreporttheresultsofanyNDE.
4.3ThethreebasicLevelsofqualificationareasfollows:
(1)NDELevelI:
AnNDELevelIindividualshallbequalifiedtoproperlyperformspecificcalibrationsandevaluationsforacceptanceorrejectiondeterminationsaccordingtowritteninstructionsandtorecordresults.TheNDELevelIindividualshallfollowthenecessaryinstructionorsupervisionofacertifiedNDELevelⅡorlevelⅢindividual.
(2)NDELevelII:
AnNDELevelIIindividualshallbequalifiedtosetupandcalibrateequipmentandtointerpretandevaluateresultswithrespecttoapplicablecodes,standards,andspecifications.TheNDELevelIIshallbethoroughlyfamiliarwiththescopeandlimitationsofthemethodsforwhichqualifiedandshallexerciseassignedresponsibilityforon-the-jobtrainingandguidanceoftraineesandNDELevelIpersonnel.TheNDELevelIIshallbeabletopreparetheinstructions,organizeNDEexaminationandreporttheresultsofNDE.
(3)NDELevelIII:
AnNDELevelIIIindividualshallbecapableofestablishingtechniquesandprocedures,interpretingCode,standards,specificationsandproceduresanddesignatingtheparticularNDEmethods,techniquesandprocedurestobeused.TheNDELevelIIIindividualshallberesponsiblefortheNDEoperationsforwhichqualifiedandassignedandbecapableofinterpretingandevaluatingresultsintermsofexistingCode,standardsandspecifications.TheNDELevelIIIshallhavesufficientpracticalbackgroundinapplicablematerials,fabrication,andproducttechnologytoestablishtechniquesandtoassistinestablishingacceptancecriteriaincaseofothercriteriaavailable.TheNDELevelIIIshallhavegeneralfamiliaritywithotherappropriateNDEmethodsasdemonstratedbytheASNTLevelIIIBasicexaminationorothermeans.TheNDELevelIII,inthemethodsinwhichcertified,shallbecapableoftrainingandexaminingNDELevelIandIIpersonnelforcertificationinthosemethods.
5.Education,TrainingandExperienceRequirementsforInitialQualification
5.1PersonnelapplyingforcertificationinNDEshallhavesufficienteducation,trainingandexperiencetoensuretounderstandtheprincipleandoperationmethodsofthecertificationforwhichtheyareapplying.
5.2Priortotheestablishmentofthiswrittenpracticethosewhosetrainingtermandexperienceareequivalenttothatoflevel,I,II,IIIpersonnelandareofverifiedmaybeconsideredofsatisfyingthecriteriaofPar.5.3.
5.3Inconsiderationforcertification,acandidateshallsatisfyoneofthefollowingcriteriafortheapplicableNDELevel:
5.3.1NDELevelIandII
Table1liststhetrainingandexperiencefactorsrequiredforinitialqualificationofLevelIandLevelIIindividuals.
RequiredEducation,ExperienceandInitialTrainingtime(hours)forNDELevelIandII
ExaminationMethodGrade
RT
MT
UT
PT
I
II
I
II
I
II
I
II
Completionwithapassinggradeofatleast2yearsofengineeringofsciencestudyinauniversity,collegeortechnicalschool
29
35
8
4
30
40
4
4
Highschoolgraduationorequivalent
39
40
12
8
40
40
4
8
WorkTimeExperience(months/hours)
3/210
9/630
1/70
3/210
3/210
9/630
1/70
2/140
Notes:
(1).ForLevelIIcertification,theexperienceshallconsistoftimeatLevelIorequivalent.IfapersonisbeingqualifieddirectlytoLevelIIwithnotimeatLevelI,therequiredexperienceshallconsistofthesumofthetimesrequiredforLevelIandLevelIIandtherequiredtrainingshallconsistofthesumofthehoursrequiredforLevelIandLevelII.
(2).Initialexperiencemaybegainedsimultaneouslyintwoormoremethodsifthecandidatespendsaminimumof25%ofhisworktimeoneachmethodforwhichcertificationissought,andtheremainderoftheworktimeclaimedasexperienceisspentinNDE-relatedactivitiesdefinedintheABC’Swrittenpractice.
5.3.2NDELevelIII
(1)Havegraduatedfromaminimumfour-yearcollegeoruniversitycurriculumwithadegreeinengineeringorscience,plusoneyear’sexperienceinNDEinanassignmentcomparabletothatofanNDELevelIIintheapplicabletestmethods.or;
(2)Havecompletedwithpassinggradesatleasttwoyearsofengineeringorsciencestudyatauniversity,college,ortechnicalschool,plustwoyear’sexperienceinNDEinanassignmentatleastcomparabletothatofNDELevelIIintheapplicableNDEmethods.or;
(3)Havefouryear’sexperienceinNDEinanassignmentatleastcomparabletothatofanNDELevelIIintheapplicableNDEmethods.
6.TrainingPrograms
6.1PersonnelapplyingforinitialcertificationshallreceivesufficientorganizedtrainingtobecomethoroughlyfamiliarwiththeprinciplesandpracticesofthespecifiedNDEmethodrelatedtothelevelofcertificationdesiredandapplicabletotheprocessestobeusedandtheproductstobeexamined.
6.2Thetrainingprogramshallincludesufficientexaminationstoassurethatthenecessaryinformationhasbeencomprehended.
6.3ASNTrecommendedtrainingcourseoutlinesforNDELevelIandIIpersonnelareusedasreferencematerialsforthiswrittenpractice.
7.Examinations
7.1AdministrationandGrading
NDELevelIIIorhisdesignatedrepresentativeshallberesponsiblefortheadministrationandgradingofexaminations.
7.2VisionExaminations
1)Theexaminationshallassurenaturalorcorrectednear-distanceacuityinatleastoneeyesuchthattheapplicantiscapableofreadingaminimumofJaeger2,orequivalenttypeandsizeletteratadistanceofnotlessthan305mmonastandardJaegertestchart.
2)Theexaminationshalldemonstratethecapabilityofdistinguishinganddifferentiatingcontrastamongcolorsorshadesofgrayusedinthemethod.
3)Thevisionexaminationsshallbeconductedannually.
4)Examinationresultsshallbekeptonfileduringtheperiodofcertification.
7.3ForLevelIandIIpersonnel,acompositegradeshallbedeterminedbysimpleaveragingoftheresultsofthegeneral,specificandpracticalexaminationsdescribedbelow.
7.3.1GeneralExamination(Written)
1)Thegeneralexaminationsshalladdressthebasicprinciplesoftheapplicablemethod.
2)Inpreparingtheexaminations,theChiefExaminer(LevelIII)orhisdesignatedrepresentativeshallselectordeviseappropriatequestionsaccordingtotheapplicablemethodandthedegreerequiredbythiswrittenpractice.
3)Theminimumnumberofquestionsareasfollows:
Testmethod
Numberof
LevelIQuestions
Numberof
LevelIIQuestions
RT
40
40
MT
30
30
UT
40
40
PT
30
30
7.3.2SpecificExaminations(Written)
1)Thespecificexaminationshalladdresstheequipment,operatingproceduresandNDEtechniquesthattheindividualmayencounterduringspecificassignmentstothedegreerequiredbythiswrittenpractice.
2)ThespecificexaminationshallalsocoverthespecificationsorcodesandacceptancecriteriausedinNDEprocedures.
3)Theminimumnumberofquestionsareasfollows:
Testmethod
Numberof
LevelIQuestions
Numberof
LevelIIQuestions
RT
20
20
MT
20
15
UT
20
20
PT
20
15
7.3.3PracticalExamination
1)Proficiencyshallbedemonstratedinperforming(forlevelⅡselectingandperforming)theapplicableNDEononeormoresamplesapprovedbytheNDELevelIIIandinevaluatingtheresultstothedegreeofresponsibilityasdescribedinthiswrittenpractice.
2)Priortoexamination,theChiefExaminer(LevelIII)orhisdesignatedrepresentativeshallprepareachecklistofatleastten(10)differentcheckpointsrequiringanunderstandingofNDEparametersandthecompany’sproceduralrequirementsshallbeincludedinthispracticalexamination.
3)ThecandidateshalldemonstrateskillfuloperationofthenecessaryNDEequipment,record,andanalyzetheresultantinformationtothedegreerequired.
4)AtleastoneselectedspecimenshallbetestedandtheresultsoftheNDEshallbeanalyzedbythecandidate.
5)Thedescrip
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