ASD-STAN PREN 4179-2014 Aerospace series Qualification and approval of personnel for non-destructive testing (Edition P 5).pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4179 Edition P 5 December 2014 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: Supersedes edition P 4 April

2、2008 Will supersede EN 4179:2009 Descriptors: ENGLISH VERSION Aerospace series Qualification and approval of personnel for non-destructive testing Srie arospatiale Qualification et agrment du personnel pour les contrles non destructifs Luft- und Raumfahrt Qualifikation und Zulassung des Personals fr

3、 zerstrungsfreie Prfungen This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by t

4、he experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and r

5、eview by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giv

6、ing the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. NOTE This standard is technically equivalent to NAS410 Revision 4 Edition approved for publication 1st December 2014 Comments should be sent within six months after the date of publication

7、 to ASD-STAN Metallic Material Domain Copyright 2014 by ASD-STAN prEN 4179:2014 (E) 2 Contents Page Foreword . 5 1. SCOPE 6 1.1 PURPOSE 6 1.2 APPLICABILITY . 6 1.2.1 IMPLEMENTATION . 6 1.3 COMMON METHODS 6 1.3.1 OTHER METHODS 6 2. REFERENCE DOCUMENTS 7 2.1 STANDARDS . 7 2.2 ORDER OF PRECEDENCE . 7 3

8、. DEFINITIONS AS APPLIED TO THIS STANDARD . 7 3.1 CERTIFICATION . 7 3.2 CLOSED BOOK EXAMINATION . 7 3.3 COGNIZANT ENGINEERING ORGANIZATION 7 3.4 DIRECT OBSERVATION 7 3.5 DIRECT READOUT INSTRUMENT . 7 3.6 DOCUMENTED 7 3.7 EMPLOYER 8 3.8 EVALUATION 8 3.9 EXAMINATION 8 3.10 EXAMINER 8 3.11 EXPERIENCE .

9、 8 3.12 FORMAL EDUCATION . 8 3.13 FORMAL TRAINING 8 3.14 GENERAL EXAMINATION . 8 3.15 INDICATION . 8 3.16 INSTRUCTOR . 8 3.17 INTERPRETATION 8 3.18 METHOD . 9 3.19 NATIONAL AEROSPACE NDT BOARD (NANDTB) . 9 3.20 NON-FILM RADIOGRAPHY . 9 3.21 ON-THE-JOB TRAINING . 9 3.22 OPEN BOOK EXAMINATION . 9 3.23

10、 OPERATING APPROVAL 9 3.24 OUTSIDE AGENCY 9 3.25 PRACTICAL EXAMINATION 9 3.26 PRIME CONTRACTOR . 9 3.27 PROCEDURE . 9 3.28 QUALIFICATION .10 3.29 RESPONSIBLE LEVEL 3 10 prEN 4179:2014 (E) 3 3.30 SPECIFIC EXAMINATION . 10 3.31 SUB-CONTRACTOR 10 3.32 TECHNIQUE . 10 3.33 TEST SAMPLE . 10 3.34 WORK INST

11、RUCTION 10 3.35 WRITTEN . 10 3.36 WRITTEN PRACTICE 10 4. GENERAL REQUIREMENTS 10 4.1 WRITTEN PRACTICE 10 4.1.1 ADDITIONAL REQUIREMENTS . 11 4.1.2 NDT TECHNIQUES . 11 4.1.3 TRAINING OUTLINES. 11 4.1.4 EXAMINATION PRACTICES 11 4.1.5 ADMINISTRATION . 11 4.1.6 RECORDS . 11 4.2 METHODS 11 4.3 LEVEL 1-LIM

12、ITED . 11 4.4 RESPONSIBILITY . 12 4.4.1 RESPONSIBLE LEVEL 3 12 4.4.2 NATIONAL AEROSPACE NDT BOARD (NANDTB) . 12 4.4.3 OUTSIDE AGENCY . 12 5. QUALIFICATION AND CERTIFICATION LEVELS 13 5.1 LEVELS OF QUALIFICATION AND CERTIFICATION . 13 5.1.1 TRAINEE 13 5.1.2 LEVEL 1-LIMITED . 13 5.1.3 LEVEL 1 14 5.1.4

13、 LEVEL 2 14 5.1.5 LEVEL 3 14 5.1.6 AUDITOR 15 6. TRAINING AND EXPERIENCE . 15 6.1 TRAINING 15 6.1.1 TRAINING OUTLINES. 16 6.1.2 PREVIOUS TRAINING 16 6.1.3 EQUIVALENT TRAINING 16 6.1.4 HEALTH AND SAFETY TRAINING . 16 6.1.5 TRAINING FACILITIES . 16 6.2 TRAINING AND EXAMINATION PERSONNEL . 17 6.2.1 EXA

14、MINERS 17 6.2.2 INSTRUCTORS . 17 6.2.3 OUTSIDE AGENCIES 17 prEN 4179:2014 (E) 4 6.3 EXPERIENCE .17 6.3.1 PREVIOUS EXPERIENCE .17 6.3.2 EQUIVALENT EXPERIENCE 17 6.4 EMERGING NDT METHODS 18 6.4.1 LEVELS 1 AND 2 .18 6.4.2 LEVEL 3 19 7. EXAMINATIONS 19 7.1 PURPOSE 19 7.1.1 VISION .19 7.1.2 GENERAL 20 7.

15、1.3 SPECIFIC 20 7.1.4 PRACTICAL .20 7.2 ADMINISTRATION OF EXAMINATIONS .21 7.2.1 ADMINISTRATION BY AN OUTSIDE AGENCY 22 7.2.2 SCORING 22 7.2.3 RE-EXAMINATION 22 8. CERTIFICATION .22 8.1 GENERAL 22 8.2 RECORDS .22 8.2.1 RECORD AVAILABILITY 23 8.3 LOSS OF CERTIFICATION 23 8.3.1 EXPIRATION .23 8.3.2 SU

16、SPENSION 23 8.3.3 REVOCATION .23 8.4 REINSTATEMENT OF CERTIFICATION.23 8.5 RECERTIFICATION .23 8.5.1 LEVEL 1-LIMITED, LEVEL 1 AND LEVEL 2 .23 8.5.2 LEVEL 3 24 8.6 ANNUAL MAINTENANCE 24 TABLES TABLE I MINIMUM FORMAL TRAINING HOURS FOR LEVEL 1 for example, ultrasonic immersion testing or ultrasonic co

17、ntact testing. 3.33 TEST SAMPLE A part or image containing one or more known and documented natural or artificial discontinuities, flaws or conditions used in the practical examination to demonstrate the candidates proficiency in an NDT method. Test samples can refer to actual hardware, fabricated t

18、est parts, or, when applicable, images of actual hardware such as radiographs. 3.34 WORK INSTRUCTION A document detailing the NDT technique and testing parameters to be used for the inspection of a specific component, group of parts (e.g. “aluminum extrusions” or “steel brackets”), or assembly. Thes

19、e are sometimes referred to in the industry as “technique sheets” or “data cards”. Such work instructions are based on procedures defined in 3.27. 3.35 WRITTEN Retrievable electronic or hard copy. 3.36 WRITTEN PRACTICE A document that describes an employers requirements and methodology for controlli

20、ng and administering the NDT personnel qualification and certification process. 4. GENERAL REQUIREMENTS 4.1 WRITTEN PRACTICE The employer shall develop and maintain a written practice for the qualification and certification of NDT personnel that meets the requirements of this standard. The written p

21、ractice shall address the procedural details necessary for the employer to implement an NDT qualification and certification program and shall include, either directly or by reference, the details of the NDT qualification and certification process, including: The levels of qualification and certifica

22、tion used by the employer prEN 4179:2014 (E) 11 Personnel duties and responsibilities Training and experience requirements Certification and recertification requirements Records and record keeping requirements Requirements for expiration, suspension, revocation and reinstatement of certifications Pr

23、ocess for annual maintenance The written practice shall be approved by the Responsible Level 3. The written practice and applicable NANDTB procedures shall be available for review by the employers customer(s) and regulatory agencies. 4.1.1 ADDITIONAL REQUIREMENTS The written practice shall include a

24、ny additional requirements levied by the employer or cognizant engineering organization, such as additional certification levels or increased experience requirements. 4.1.2 NDT TECHNIQUES The written practice shall include the specific technique(s) within each method and the actions to be taken conc

25、erning additional training and experience, as well as the written and practical testing, when additional techniques are introduced for a currently certified individual. 4.1.3 TRAINING OUTLINES The written practice shall reference or include the NDT training outlines used by the employer. If an outsi

26、de agency is used to provide training, the Responsible Level 3 shall verify that the training meets the employers requirements. 4.1.4 EXAMINATION PRACTICES The written practice shall include the designation of the individual(s) or organization(s) responsible for administering examinations, the numbe

27、r of examination questions to be administered, and the specific visual acuity examination method to be used. If required, the use of a general examination for recertification shall be documented in the written practice. 4.1.5 ADMINISTRATION The written practice shall include the identification of th

28、e individual(s) or organization(s) responsible for administering and maintaining all or part of the employers certification program. 4.1.6 RECORDS The written practice shall include the designation of the individual(s) or organization(s) responsible for maintaining the qualification and certificatio

29、n records and where such records shall be kept. 4.2 METHODS For the common methods listed in 1.3, the minimum requirements for training, experience and examination are detailed in Sections 6, and 7 of this standard. These requirements shall serve as a guideline for other current or emerging methods

30、as defined in 1.3.1. 4.3 LEVEL 1-LIMITED When authorized by the cognizant engineering organization and the employers written practice, the performance of a specific NDT test on a specified part, feature, or assembly may be performed by personnel certified to Level 1-Limited. Each use of Level 1-Limi

31、ted is a separate certification and shall be approved by the cognizant engineering organization. An individual shall not possess more than three Level 1-Limited certifications at any given time. The following shall be documented and be made available for review by the employers customers and regulat

32、ory agencies: prEN 4179:2014 (E) 12 The case-by-case justification for using Level 1-Limited The cognizant engineering organization approval The training and experience hours and the number of examination questions The specific NDT test to be performed The specific hardware to be tested The authorit

33、y to accept or reject hardware, if applicable 4.4 RESPONSIBILITY The employer is responsible for the implementation of, and compliance with, this standard and for certifying qualified personnel. In addition, the prime contractor shall be responsible for compliance to this standard by their sub-contr

34、actors. Employers using outside agencies shall be responsible for assuring that the appropriate requirements of this standard are met. The employer is solely responsible for the certification of its employees and cannot certify for another employer. Individuals cannot qualify themselves. Self-employ

35、ed individuals may certify themselves provided they have a written practice and have been qualified to the requirements of this standard by another individual certified to Level 3 in accordance with this standard. 4.4.1 RESPONSIBLE LEVEL 3 The employer shall identify in writing a “Responsible Level

36、3” to act on its behalf in matters regarding the NDT qualification and certification process. The Responsible Level 3 shall be certified in accordance with this standard as a Level 3 in one or more NDT methods and shall have a thorough knowledge of the written instructions, codes, specifications and

37、 standards used by the employer. He/she shall also have a thorough knowledge of the materials, components, product technologies, NDT methods and NDT techniques used by the employer. Additional Examiners as defined in this standard may be identified and delegated in writing as necessary to provide co

38、verage for all methods used by the employer. The Responsible Level 3 may be an outside agency but in this case he/she can only qualify personnel, as only the employer can certify personnel. The Responsible level 3 shall be responsible for implementation of this standard and the overall administratio

39、n of the qualification and certification program. 4.4.2 NATIONAL AEROSPACE NDT BOARD (NANDTB) The organization has a constitution, a deciding entity, and governed according to administrative and working procedures. The voting members in the deciding entity are NDT Level 3 personnel and are from part

40、icipating prime contractors or type certificate holders as a minimum. Other members may be co-opted as voting or non-voting members as necessary to support the NANDTB. Regulatory agencies for civilian and/or defense have the right to be included as observer members. The Responsible Level 3 may use a

41、n NANDTB to: Develop training course outlines and training material Create examination questions and administer examinations Approve outside and/or internal organizations providing training and/or examination services Define requirements for qualification of NDT personnel in emerging NDT methods Ret

42、ain written and practical examinations Designate Examiners and/or instructors at outside or internal organizations providing training and examination services Where an NANDTB is used to provide such services, it shall develop processes and procedures that shall ensure full compliance with the requir

43、ements of this standard. The activities, processes, procedures, technique catalogs, etc. undertaken/developed by an NANDTB shall be made available for review by prime contractors and regulatory agencies. For countries where no NANDTB exists, the services of other NANDTBs may be used, but are not req

44、uired to do so, unless specified by local or regulatory requirements. 4.4.3 OUTSIDE AGENCY An employer may use a Level 3 certified in accordance with this standard from an outside agency to develop a certification program, act as the Responsible Level 3, examine NDT personnel or perform any other qu

45、alification or Level 3 function. An outside agency may qualify, but not certify personnel. The employer shall document the suitability of any outside agency selected to perform any function in meeting the requirements prEN 4179:2014 (E) 13 of this standard. This documentation shall be of sufficient

46、detail to justify the outside agencys ability to perform the required Level 3 function(s). 5. QUALIFICATION AND CERTIFICATION LEVELS 5.1 LEVELS OF QUALIFICATION AND CERTIFICATION The four basic levels of certification are Level 1-Limited, Level 1, Level 2 and Level 3. The employer may subdivide, add

47、 or limit levels as appropriate, but cannot eliminate or reduce the minimum requirements for each level. If the employer does not wish to use all of the levels, those levels to be used shall be documented in the employers written practice. Where other variations or subdivisions are implemented, the

48、requirements and responsibilities shall also be detailed in the employers written practice. NDT personnel shall not independently perform the functions listed in 5.1.2, 5.1.3, 5.1.4 and 5.1.5 if not certified to the appropriate level in the applicable technique/method. 5.1.1 TRAINEE An individual wh

49、o is documented as participating in a training program for an NDT method and is in the process of becoming qualified for certification to Level 1, Level 1-Limited or directly to Level 2 shall be considered a trainee. In the technique/method in which they are preparing for certification, trainees shall: Be documented as a trainee and be actively participating in a training program for a stated NDT method for a limited and specified period of time.