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NDT人员PCN考试及授证的通用规程

The British Institute of Non-Destructive Testing is an accredited certification body offering

personnel and quality management systems assessment and certification against criteria set out in

international and European standards through the PCN Certification Scheme.

Certification Services Division

1 Spencer Parade, Northampton

NN1 5AA, United Kingdom

Tel: +44(0) 1604-259-056.

Fax: +44(0) 1604-231-489.

E-mail: pcn@https://www.doczj.com/doc/b3964234.html,

PCN/GEN ISSUE 6 dated 1st July 2010

GENERAL REQUIREMENTS FOR QUALIFICATION AND PCN CERTIFICATION OF NDT PERSONNEL

CONTENTS

Introduction (2)

1. Scope (3)

2. References (3)

3. Terms and Definitions. (4)

4. Abbreviations (6)

5. Duties and responsibilities (7)

6. Levels of PCN certification (8)

7. Training (9)

8. Industrial NDT Experience (10)

9. Vision Requirements (11)

10. Qualification Examination (12)

11. Examination Exemptions (17)

12. Conduct of Examinations (17)

13. Grading of Examinations (18)

14. Re-examination (18)

15. Publication of Examination Results (19)

16. Certification (19)

17. Validity of Certification (19)

18. Renewal and recertification (20)

19. Complaints and Appeals (20)

20. Change of Employer (21)

21. Supplementary Examinations (21)

22.

Certification and Examination Records (22)

23. Use and Misuse of Certificates (22)

Introduction

The PCN Scheme is an international programme for the certification of competence of non-destructive testing personnel which satisfies the requirements of a number of European and international standards.

The Council of the British Institute of NDT constitutes a Certification Management Committee and delegates to the CMC the responsibility for maintaining a management overview of the operations of its Certification Services Division . Membership of boards and committees is open to the participation of individuals and organisations. Further information on the work of committees and committee membership is available from The Certification Services Division of the British Institute of NDT.

The CMC fulfils the requirement for a Scheme Committee in terms of ISO/IEC 17024 (Personnel Certification) and an Impartiality Committee in terms of ISO/IEC 17021 (Management Systems Certification).

There is a wide range of qualification examinations available within the Scheme, covering various NDT methods and techniques. Authorised Qualifying Bodies are independent organisations (see definition: "Authorised Qualifying Bodies") which have been audited against rigorous criteria prior to authorization, and which are subject to regular surveillance. Organisations anywhere in the world wishing to explore the possibility of being authorised to conduct PCN examinations are encouraged to discuss the potential for their involvement with BINDT Certification Services.

This document, which is implemented with effect from 1st July 2009, sets out the general requirements and procedures common to all central parts of the scheme. Supplementary appendices are published covering specific examinations applicable to various industry and product sectors. Appendices to this document cover:

Appendix B Castings

Appendix C Welds

Appendix D Wrought Products and Forgings

Appendix E Pre and in-service Inspection (multi-sector)

Appendix F Railway (multi-sector)

This series of documents is designed to provide comprehensive information for users of the PCN Scheme. The complete list of published PCN documents is detailed in publication reference PSL/8A, which is updated and republished every three months in "NDT News", the newsletter of the British Institute of NDT (BINDT). PCN documents are also available for download from the Institute's web site at https://www.doczj.com/doc/b3964234.html,

The United Kingdom Secretary of State has appointed the British Institute of Non-Destructive Testing as a Recognised Third-Party Organisation (RTPO) under regulation 20of the European Pressure Equipment Regulations 1999 which implement the provisions of Directive 97/23/EC of the European Parliament concerning pressure equipment. The scope of the appointment is for the approval of personnel to carry out non-destructive tests on permanent joints for pressure equipment in categories III and IV in accordance with section 3.1.3 of Schedule 2 to the Regulations.

Success in qualification examinations described in Appendices C and E results in the award of PCN certification covering the testing of permanent joints (welds), which meets or exceeds the EN 473 criteria and fully satisfies Directive 97/23/EC and applicable harmonized standards. No additional procedure is necessary to apply for separate approval in order to satisfy the PED.

Copies of PCN documents are available free of charge from BINDT Certification Services Division at 1 Spencer Parade, Northampton NN1 5AA, United Kingdom. Organisations requiring at all times to be in possession of the most up to date PCN documents may register with the "PCN Update Scheme" which, for a small annual fee, guarantees that they automatically receive all new or revised PCN documents in electronic form.

It is intended, through publication of these documents, to provide PCN candidates and certificate holders with all relevant information. However, if further information or advice is required on any certification matter, please contact the Certification Services Division of BINDT on telephone number +44 (01604) 259056, or email questions to pcn@https://www.doczj.com/doc/b3964234.html,.

1. Scope

1.1. This document describes a system for the qualification and certification of personnel

who perform industrial non-destructive testing.

1.2. Specific details of the certification available at each level in the various NDT methods

and industry sectors are contained in the appropriate supplementary appendix to this

document. A list of the current supplementary appendices is published within

document PSL/8A, which is updated every three months and is freely available from

the British Institute of NDT or any of its Authorised Qualifying Bodies.

1.3. This document incorporates provisions from other PCN publications, all of which are

available from the British Institute of NDT at 1 Spencer Parade, Northampton NN1

5AA, or from https://www.doczj.com/doc/b3964234.html,, and which are listed below under "References".

2. References

2.1. Regulations

97/23/EC – Pressure Equipment Directive

2.2. Standards

ISO/IEC 17024 : 2003 General requirements for bodies operating certification systems of persons

CEN/TS 15053: 2005, Non-destructive testing – Recommendations for discontinuities-types in test specimens for examination

CEN ISO/TR 25107:2006, Non-destructive testing – Guidelines for NDT training syllabuses (ISO/TR 25107:2006)

CEN ISO/TR 25108:2006, Non-destructive testing – Guidelines for NDT personnel training organisations (ISO/TR 25108:2006)

CEN/TR 15589:2006, Non-destructive testing – Code of practice for the approval of NDT personnel by recognised third party organizations under the provisions of Directive 97/23/EC BS EN 473: 2008 General principles for qualification and certification of NDT personnel ISO 9712: 2005 Non-destructive testing - Qualification and certification of personnel

2.3. PCN documents (referenced herein):

PSL/4 Examination availability

PSL/8A PCN Documents - Issue status

PSL/30 Log of pre-certification experience

PSL/31 Use of PCN & UKAS Logo

PSL/42 Log of pre-certification on-the-job training

PSL/44 Vision Requirements

PSL/49 Examination exemptions for holders of certification other than PCN

PSL/51 acceptable certification for persons supervising PCN candidates gaining

experience prior to certification

PSL/57C application for certification, experience gained post examination.

PSL/67 Supplementary 56 day rule waiver

PSL/70 Request for L2 certificate issue to a L3 certificate holder.

CP9 Requirements for BINDT Authorised Qualifying Bodies

CP16 Renewal and recertification of PCN Levels 1 & 2 certificates

CP17 Renewal and recertification of PCN Level 3 certificates

CP19 Informal access to Authorised Qualifying Bodies by third parties.

CP22 marking and grading PCN practical examinations

CP25 Guidelines for the preparation of NDT procedures and instructions in PCN examinations

CP27 Code of Ethics for PCN certificate Holders

3. Terms and Definitions.

For the purposes of this document, the following definitions apply:

3.1. Approved Training Organisation (ATO) – A legal entity assessed against the criteria

in CEN ISO/TR 25108 and approved by BINDT to provide specified training courses

for personnel intending to attempt a PCN or other specified examination.

3.2. Authorised Examination Centre (AEC) – a location, approved by BINDT, where PCN

examinations are conducted.

3.3. Authorised Qualifying Body (AQB) - A body, independent of any single predominant

interest, satisfying the criteria detailed in PCN document reference CP9 and

authorised by the British Institute of NDT to prepare and administer PCN

examinations to qualify NDT personnel.

3.4. Appropriately Qualified Personnel - Individuals carrying out supervision of candidates

for PCN certification holding relevant certification issued by a BINDT recognised

certification body meeting the requirements of ISO/IEC 17024.

Note: The certification concerned must include supervisory competence and have a

similar technical scope as that certification which is the subject of surveillance. Where

there are insufficient appropriately qualified persons in a country outside of the United

Kingdom to satisfy the requirement, supervision of PCN candidates may be carried

out by persons holding relevant qualification acceptable to BINDT (see PSL/51

acceptable certification for persons supervising PCN candidates gaining experience

prior to certification).

3.5. Basic Examination - An examination, at Level 3, which demonstrates knowledge of

materials science and technology, the PCN qualification and certification system, and

of the theoretical principles of at least four NDT methods at level 2.

3.6. Candidate - individual seeking qualification and certification and who gains

experience under the supervision of suitably qualified personnel.

3.7. Certificate – document, issued by the certification body under the provisions of the

applicable standard, indicating that the named person has demonstrated the

competence(s) defined on the certificate

3.8. Certification - procedure used by BINDT to confirm that the qualification requirements

for a method, level and sector have been fulfilled, leading to the issue of a certificate

Note: The issuing of a certificate does not authorize the holder to operate; this

authority can only be given by the employer.

3.9. Certification Body - The body that administers procedures for certification of NDT

personnel in accordance with this specification, and fulfills the requirements of

ISO/IEC 17024.

Note: In the present case, the Certification Body is the British Institute of Non-

Destructive Testing, which manages and administers the PCN Scheme.

3.10. Employer - The organisation for which a candidate or holder of certification works on

a regular basis. An employer may also be a candidate.

3.11. Examiner - An individual certificated to Level 3 in the method and sector for which he

or she is to conduct, supervise and grade examinations and who is authorised so to

do by the British Institute of NDT.

3.12. General Examination – a written examination, at Level 1 or 2, concerned with the

principles of an NDT method.

3.13. Industrial NDT Experience – the experience needed to acquire the skill and

knowledge to fulfil the provisions of qualification in the appropriate sector, and which

is gained under the supervision of Appropriately Qualified Personnel, in the application of the NDT method in the sector concerned.

Note: Experience may be acquired either prior to or following success in the qualification examination. However, the chances of success in a PCN examination may be significantly reduced if candidates have little or no current experience in the application of the NDT method in the sector concerned.

In the event that the PCN examination has been passed by a candidate lacking the experience required for certification, BINDT will issue a letter of attestation to the successful candidate indicating that he or she has passed the qualification examination and needs only to meet the experience requirement in order to be certificated. Records of experience obtained post examination shall be presented on PCN form PSL/30.

3.1

4. Invigilator - An individual trained by an AQB in the process of examination invigilation

to BINDT requirements, particularly with respect to the points to be observed during a practical examination, and who is impartial with respect to the candidate(s) under examination. Invigilators shall be authorized in writing by BINDT on the AQB schedule of authorization.

3.15. Job-specific training - instruction, provided by the employer (or his agent) to the

candidate or certificate holder in those aspects of non-destructive testing specific to the employer’s products, NDT equipment, NDT procedures, and applicable codes, standards and specifications, leading to the award of operating authorisation.

Note: A job specific examination, which is often solely of a practical nature, may be conducted by the employer as a part of the NDT personnel authorisation procedure (the British Institute of NDT publishes guidance for employers in conducting and recording such examinations), or by a BINDT Authorised Qualifying Body.

3.16. Main NDT Method Examination - written examination, at Level 3, which demonstrates

the candidate’s general and specific knowledge of the applicable NDT method, and the ability to write NDT procedures for the NDT method as applied in the industrial or product sector(s) for which certification is sought.

3.17. Multiple choice examination question - A question worded in a manner giving rise to

four potential replies, only one of which is correct, the remaining three being incorrect or incomplete

3.18. NDT Instruction - A written description of the precise steps to be followed in testing to

an established standard, code, specification or NDT procedure.

3.19. NDT Technique - A specific way of utilizing an NDT method (for example, ultrasonic

immersion technique).

3.20. NDT Procedure - A written description of all essential parameters and precautions to

be observed when applying an NDT technique to a specific test, following an established standard, code or specification. An NDT Procedure can involve the application of more than one NDT Method or Technique.

3.21. NDT Method - Discipline applying a physical principle in Non-Destructive Testing (for

example, Ultrasonic Testing).

3.22. NDT Training - a process of instruction in theory and practice in the NDT method in

which certification is sought, which takes the form of training courses to a syllabus approved by BINDT.

3.23. Operating Authorisation - written statement issued by the employer, based upon the

scope of certification, authorizing the individual to carry out defined tasks.

Authorisation may be dependent on the provision of job-specific training.

3.2

4. Practical Examination - assessment of practical skills in which the candidate

demonstrates familiarity with and the ability to operate the necessary test equipment, to test the prescribed specimens, and to record and to analyse the resulting information to the degree required.

3.25. Qualification - Evidence of training, professional knowledge, skill and experience as

well as physical fitness to enable NDT personnel to properly perform NDT tasks

3.26. Qualification Examination - An examination administered directly by the British

Institute of NDT or by an Authorised Qualifying Body, which assesses the general,

specific and practical knowledge and skill of the candidate.

Note: No documentary material, other than that provided by the examination centre, is

to be accessible to the candidate under any circumstances during a PCN qualification

examination. In an open book examination the candidate is provided with all

necessary reference material by the examination centre; during a closed book

examination, the candidate is not allowed access to any reference material

whatsoever.

3.27. Qualified supervision - supervision of candidates gaining experience by NDT

personnel certificated under the PCN Scheme or by non-certificated personnel who,

in the opinion of BINDT, possess the knowledge, skill, training and experience

required to properly perform such supervision

3.28. Record of Certification - Document listing all PCN certification issued under the rules

specified in this document and its antecedents, indicating that the named individual

has demonstrated proficiency in performing NDT within the scope of the certification.

3.29. Sector - A particular section of industry or technology where specialized NDT

practices are used, requiring specific product related knowledge, skill, equipment or

training. A sector may be interpreted to mean a product (castings, welds or wrought

products) or an industry (railway or in-service testing).

3.30. Significant Interruption - absence from (or a change of) work activity which prevents

the holder of PCN certification from practising the duties corresponding to his or her

level in the method and sector(s) for which certification was issued, for (a) a

continuous period in excess of one year or (b) two or more periods for a total time

exceeding two years.

Note: Legal holidays, or periods of sickness or courses of less than thirty days are not

taken into account when calculating the interruption.

3.31. Specific Examination - written examination, at Level 1 or Level 2, concerned with

testing techniques applied in a particular sector(s), including knowledge of the

product(s) tested, and of codes, standards, specifications, procedures and

acceptance criteria.

3.32. Specification - document stating requirements

3.33. Specimen - a sample used in practical examinations, which may include radiographs

and data sets, and which are representative of products typically tested in the

applicable sector, and which may include more than one area or volume to be tested.

3.3

4. Specimen master report - model answer, indicating the optimum result for a practical

examination given a defined set of conditions (equipment type, settings, technique,

specimen, etc.), against which the candidate's test report will be graded.

3.35. Supervision - act of directing the application of NDT performed by other NDT

personnel, which includes the control of actions involved in the preparation of the

test, performance of the test and reporting of the results.

3.36. Validation - act of demonstrating that a verified procedure will work in practice and

fulfil its intended function, normally achieved by actual witnessing, demonstration,

field or laboratory tests or selected trials.

3.37. Written Practice – documented procedure detailing the employer’s requirements for

qualification, certification and authorization of NDT employees.

4. Abbreviations

The abbreviations used within this document or its appendices are as follows:

AEC Authorised Examination centres

AT Acoustic Emission Testing

ATO Approved Training Organisations

AQB Authorised Qualifying Bodies

AUT Automated Ultrasonic Testing

BRS Basic Radiation Safety

BINDT The British Institute of NDT (the certification body)

CB Certification Body

ET Electromagnetic Testing (Eddy Current Testing)

MT Magnetic Particle Testing

NDT Non-Destructive Testing

OTJ on-the-job (Training)

PA Phased array (of eddy current or ultrasonic transducers)

PED Pressure equipment Directive (97/23/EC)

PT Penetrant Testing

QA Quality Assurance

QC Quality Control

RI Radiographic Interpreter

RPS Radiation Protection Supervisor

RT Radiographic Testing

TOFD Time of Flight Diffraction

UT Ultrasonic Testing

VT Visual Testing

5. Duties and responsibilities

5.1. The Certification Body (BINDT)

5.1.1. BINDT will fulfil the requirements of ISO/IED 17024 and, inter alia, will

ensure that the PCN Scheme(s) for qualification and certification of

personnel, and the assessment and certification of systems, are controlled

and operated so as to ensure, amongst other things, that they are impartial,

and that decisions taken and implemented at all levels, including

management and committees, are free from commercial or other pressures

that may prevent the objective provision of certification services.

5.1.2. BINDT will approve Authorised Qualifying Bodies (AQB) to carry out

examinations (assessments) on its behalf, and will carry out regular and

frequent assessments of AQB against a published specification (document

CP9).

5.1.3. BINDT will approve Examination Centres (AECs) where PCN examinations

are conducted.

5.2. The employer.

5.2.1. The employer attests to the validity of the personal information provided by

the candidate, including the declaration of education, training and experience

required for eligibility.

5.2.2. Where required by regulatory requirements and codes, the authorisation to

operate must be given in writing by the employer in accordance with a

Written Practice or Quality Procedure that defines any employer required job-

specific training and examinations designed to verify the certificate holder's

knowledge of relevant industry code(s), standard(s), NDT procedures,

equipment, and acceptance criteria for the products tested.

5.2.3. The employer shall ensure that candidates gaining experience for

certification are supervised by Appropriately Qualified Personnel.

5.2.4. With regard to certificated persons, the employer shall be responsible for:

?issuing the operating authorisation

?verification of visual acuity in accordance with PSL/44, and

?verification of continuity in the application of the NDT method

without Significant Interruption.

5.3. Candidates for PCN Certification shall

5.3.1. provide verifiable documentary evidence in a form acceptable to BINDT (a

correctly completed form PSL/30 satisfies this requirement) that experience

has been gained under the supervision of Appropriately Qualified Personnel

(see definition at 3.4).

5.3.2. provide documentary evidence of satisfactory completion of a course of

training at an ATO approved by BINDT.

5.3.3. undertake to abide by the Code of Ethics, published as CP27, for candidates

and certificates holders

5.3.4. assume all of the responsibilities described for the employer if self employed.

5.4. Certificate holders shall

5.4.1. undertake to abide by the Code of Ethics published as CP27.

5.4.2. submit to an annual test of visual acuity, and provide the results of tests to

the employer.

5.4.3. notify BINDT Certification Services and the employer in the event that the

conditions for validity of PCN certification (see clause 17) are not fulfilled

6. Levels of PCN certification

6.1. Level 1 personnel are qualified to carry out NDT operations according to written

instructions under the supervision of Appropriately Qualified Level 2 or Level 3

Personnel. Within the scope of the competence defined on the certificate, Level 1

personnel may be authorized by the employer to perform the following in accordance

with NDT instructions:

?set up equipment;

?carry out the test;

?record and classify the results in terms of written criteria;

?report the results.

Level 1 personnel have not demonstrated competence in the choice of test method or

technique to be used, nor for the assessment, characterisation or interpretation of test

results.

6.2. Level 2 personnel have demonstrated competence to perform and supervise non-

destructive testing according to established or recognised procedures. Within the

scope of the competence defined on the certificate, level 2 personnel may be

authorised by the employer to:

?select the NDT technique for the test method to be used;

?define the limitations of application of the testing method;

?translate NDT standards and specifications into NDT instructions;

?set up and verify equipment settings;

?perform and supervise tests;

?interpret and evaluate results according to applicable standards, codes or

specifications;

?prepare written NDT instructions;

?carry out and to supervise all level 1 duties;

?provide guidance for personnel at or below level 2, and

?organise and report the results of non-destructive tests.

6.3. Level 3 personnel are qualified to direct any NDT operation for which they are

certificated and may be authorised by the employer to:

?assume full responsibility for a test facility or examination centre and staff;

?establish, review for editorial and technical correctness and validate NDT

instructions and procedures;

?interpret codes, standards, specifications and procedures;

?designate the particular test methods, techniques and procedures to be

used;

?within the scope and limitations of any certification held (see clause 6.3.3),

carry out all level 1 and level 2 duties, and

?provide guidance and supervision at all levels.

6.3.1. Level 3 personnel have demonstrated:

? a competence to interpret and evaluate test results in terms of existing

codes, standards and specifications;

?possession of the required level of knowledge in applicable materials,

fabrication and product technology sufficient to enable the selection of

NDT methods and techniques, and to assist in the establishment of test

criteria where none are otherwise available;

? a general familiarity with other NDT methods.

6.3.2. Level 3 certificated personnel may be authorised to carry out, manage and

supervise PCN qualification examinations on behalf of the British Institute of

NDT.

6.3.3 Where Level 3 duties require the individual to apply routine NDT by a method

or methods within a particular product or industry sector, the British Institute

of NDT strongly recommends that industry demand that this person should

hold and maintain Level 2 certification in the applicable method(s) and

sector(s).

6.4. The range and scope of PCN certification available at each level is defined in the

relevant appendix to these general requirements.

7. Training

7.1. To be eligible for examination, candidates must have successfully completed, prior to

making application for examination, a British Institute of NDT validated course of

training at a BINDT ATO which covers the relevant part of the published syllabus

(CEN ISO/TR 25107).

7.2. Where PCN examinations are to be conducted for candidates in an overseas location

and BINDT validated training is not available through a BINDT ATO, any training that

covers the relevant syllabus may be granted interim recognition for up to two years as

meeting PCN requirements for pre-certification training.

7.3. For mature candidates, with at least 5 years documented experience without

significant interruption (see definitions) in the NDT method and sector for which

certification is sought, who can provide evidence of completion of a course of training

(covering the relevant syllabus) which was of at least the duration specified in Table

1, the need to have attended a British Institute of NDT approved course of training

may be waived. Such candidates should apply to the BINDT Authorised Qualifying

Body as ‘mature candidates’, attaching evidence of that status. If a significant

interruption in continuity in the application of the NDT method exists, the candidate

shall undertake further training determined by BINDT. The minimum required

duration of any training, which includes both theoretical and practical elements, is

shown in Table 1 below:

Table 1 – minimum required durations of training 5

8. Industrial NDT Experience

8.1. Industrial NDT experience in the appropriate sector may be acquired either prior to or

following success in the qualification examination

8.2. In the event that the experience is sought following successful examination, the

results of the examination shall remain valid for up to two years.

8.3. Documentary evidence (in a form acceptable to the British Institute of NDT, i.e., on

PCN form PSL/30) of experience satisfying the following requirements shall be

confirmed by the employer and submitted to the BINDT AQB prior to examination, or

directly to BINDT prior to the award of PCN certification in the event that experience

is gained after examination.

8.4. The minimum duration of experience for certification shall be as defined in Table 2.

Table 2: Minimum Duration of Experience for certification

9. Vision Requirements

9.1. The PCN requirements for colour perception and acuity of vision, together with the

qualifications of those administering the vision tests, are fully defined in PCN

document PSL/44, which includes a form for recording the results of vision tests. The

requirements are reproduced below for ease of information:

9.2. Candidates for PCN examinations will be required, on the day of the examination, to

provide proof of a satisfactory vision test conducted within the 12 months preceding

the examination.

9.2.1. Near vision acuity shall permit reading a minimum of Jaeger number 1 or

Times Roman N 4.5 or equivalent letters (having a height of 1,6 mm) at not

less than 30 cm with one or both eyes, either corrected or uncorrected;

9.2.2. Colour vision shall be sufficient that the candidate can distinguish and

differentiate contrast between the colours or shades of grey used in the NDT

method concerned as specified by the employer.

NOTE: Subsequent to certification, the documented tests of visual acuity shall be

carried out at least every twelve months.

10. Qualification Examination

10.1. General

An examiner shall not be permitted to examine any candidate that he has trained for

the examination, or who is employed in the same facility as the candidate.

Note: only BINDT authorises examiners and examination invigilators within the PCN

Scheme, and all examination personnel are required to declare any interest in a

candidate that presents for examination. In case of doubt regarding maintenance of

impartiality, AQB shall consult with BINDT Certification Services before conducting

examinations.

10.2. Examination Application

10.2.1. Initial enquiries to the BINDT Authorised Qualifying Body may be by

telephone. Formal applications must be made on an application form

(PSL/57) available direct from BINDT or from the AQB. No examination

appointment can be considered confirmed until a correctly completed

application form has been received.

10.2.2. Application forms ask for specific details on experience and training to the

published syllabus and must be signed to the effect that these details are

correct. In the event of a false statement being discovered, any certification

awarded as a result of the examination will be null and void.

10.2.3. Applications dependent upon the individual holding appropriate certification

must be supported by acceptable evidence of such certification; photocopies

are acceptable at this stage, but original certificates, together with proof of

identity, shall be presented to the examination invigilator on the date of

examination. Failure to comply with this clause will result in a refusal to

examine.

10.2.4. The location of all Authorised Qualifying Bodies, the scope of examinations

for which they are approved, and contact information is given in document

PSL/4, copies of which are available from the British Institute of NDT.

10.2.5. Provision is made wherever possible for candidates with a disability which

may affect their ability to complete PCN examinations. For example, up to

25% additional time may be allowed in examinations for candidates suffering

from dyslexia. The candidate is responsible for bringing his or her disability to

the attention of the examining body.

10.3. Examination Equipment and Documentation

10.3.1. BINDT Authorised Qualifying Bodies will provide all necessary NDT

equipment although candidates may bring and use their own equipment by

prior arrangement with the AQB. Any item of apparatus brought by a

candidate that is unreliable or rendered unserviceable during the examination

shall be replaced by the candidate. Guidance on suitable equipment is

available directly from the BINDT Authorised Qualifying Body.

10.3.2. Digital instrumentation capable of storing calibration details, formulae or data

relevant to NDT must be deprogrammed prior to attempting any PCN

practical examination using that instrument. The candidate will be required to

demonstrate compliance and, in the event that the BINDT Authorised

Qualifying Body is not satisfied that deprogramming is effective, the

candidate may be required to use equipment provided by the AQB or be

refused examination.

10.3.3. All necessary reference standards will be provided by the BINDT Authorised

Qualifying Body. Candidates must not be in possession of any reference

documentation, other than that provided by the AQB, during a PCN

examination.

10.3.4. Provided security of examination materials can be guaranteed, candidates

will be allowed the use of an AQB provided PC or lap-top computer in the

NDT instruction and NDT procedure writing section of the PCN examination.

On no account will the use of a candidate’s own computer be permitted

during a PCN examination and, for reasons of security, candidates are not

permitted to bring any form of computer, including hand-held devices (PDAs,

etc.) into the examination facilities at a PCN AQB or Examination Centre.

The provision of computers for candidate use is optional for any BINDT AQB.

10.3.5. The use of a pocket calculator is permissible in PCN examinations provided

that it is of a type that does not permanently store programs, formulae or data

relevant to NDT.

10.3.6. Mobile telephones are not permitted in any PCN examination area.

10.4. Qualification Examination Content - Levels 1 and 2

10.4.1. Examination sections

10.4.1.1. The qualification examination consists of written general and

specific parts, and a specific practical examination covering a

given NDT method applied to specimens representative of

products in one or more industrial sectors.

10.4.1.2. The general and specific written examinations are comprised

mainly of multi-choice answer questions (exceptions being the

radiation protection and the Level 3 recertification examinations).

10.4.1.3. The time allowed to the candidates for completion of each

examination shall be based upon the number and difficulty of the

questions. The average time allowed shall be no less than one

minute nor longer than two minutes per multiple choice question.

The time allowed for examinations comprised of narrative answer

questions varies but is specified on the examination paper

presented to the candidate.

10.4.1.4. The practical examination is of sufficient duration, complexity and

scope adequately to verify the candidate’s ability to apply the NDT

method to real test situations. The time allowed for the practical

examination is detailed in the appropriate appendix to these

general requirements.

10.4.2. General Examination

10.4.2.1. The general examination includes only validated questions

selected in an unpredictable way from the collection of general

questions approved by the British Institute of NDT at the time of

the examination. The number of questions in each NDT method

general examination is as defined in Table 3.

10.4.3. Specific Examination

10.4.3.1. The specific examination includes only validated questions

selected in an unpredictable way from the collection of specific

questions approved by the British Institute of NDT at the time of

the examination.

10.4.3.2. All Level 1 Specific Theory Papers have 30 questions. All Level 2

Specific Theory Papers have 36 questions.

10.4.3.3. During the specific examination, the candidate shall be required to

answer multiple-choice questions, including questions involving

calculations, written procedures and questions on product

technology, codes, standards and specifications.

10.4.3.4. If the specific examination covers two or more product sectors, the

questions will be evenly spread between the sectors concerned 10.4.4. Practical Examination (see CP22 for information on grading)

10.4.4.1. The practical examination is designed to ascertain the ability of the

candidate to:

?make the required settings;

?operate the test equipment properly;

?perform testing of prescribed components relating to the industrial sector concerned;

?record and to analyse the resultant information to the degree required according to written instructions for Level 1 or a code,

standard, specification or a procedure for Level 2.

10.4.4.2. For Level 2 the candidate will demonstrate the ability to prepare

written instructions for Level 1. This will be an open book

examination where the candidate is provided with the relevant

standard, code or specification, together with a copy of CP25.

10.4.4.3. The Level 1 candidate will follow the NDT instruction(s) provided

by the examiner, while the Level 2 candidate will select the

applicable NDT technique and determine the operating conditions

related to a given code, standard, or specification.

10.4.4.4. The specimens used for the practical test will be selected from a

collection of representative specimens approved by BINDT during

the approval audits at the AQB. Each test specimen shall contain

one or more of the discontinuities defined in CEN/TS 15053.

10.4.4.5. The number of areas or volumes to be tested and the time allowed

during the practical examination will be adequate to the level and

NDT method, and to the sector concerned, and is defined in the

relevant appendix to this specification.

10.4.4.6. Specimens will be uniquely identified and have a master report

which includes all of the equipment settings used to detect

specified discontinuities contained within the specimen. The

master sheet is compiled based upon at least two independent

tests, and is validated by an authorised examiner for use in

grading PCN examinations. The independent test reports from

which the master report is compiled shall be retained as records.

10.4.4.7. Specimens contain discontinuities characteristic of those that

occur during manufacturing or in service. They may be natural,

artificial or implanted. For practical radiography, the specimen will

not necessarily contain discontinuities since these will be exhibited

in the radiographs for interpretation.

10.4.4.8. For those examinations where discontinuities are normally

replaced by artificial sources or data, the level 1 candidate shall

demonstrate the ability to set up the equipment, verify its

sensitivity and record the test data; the level 2 candidate shall also

demonstrate the ability to interpret and evaluate previously

recorded test data.

10.5. Qualification Examination Content - Level 3

10.5.1. General

10.5.1.1. All candidates for level 3 certification in any NDT method shall

have successfully completed (with a grade of ≥ 70 %) the practical

examination for level 2 in the relevant sector and method, except

for the drafting of NDT instructions for level 1 (see 10.5.3.3).

10.5.1.2. A candidate who is level 2 in the same product sector, or has

successfully passed a level 2 practical examination for the method

in an industrial sector (e.g. Aerospace) in which the product is

commonly tested (e.g. castings and wrought products), is exempt

from passing again the level 2 practical examination. This

exemption is only valid for the product sectors covered by the

industrial sector concerned and, in any other circumstances, the

relevant sector is the sector in which the candidate seeks level 3

certification.

10.5.2. Basic Examination.

10.5.2.1. The basic examination shall be passed first and the result will

remain valid, provided that the first main method examination is

passed within five years after passing the basic examination. A

candidate holding a valid level 3 certificate is exempt from the

need to retake the basic examination.

10.5.2.2. Examination questions shall be selected from the current

collection of questions approved by BINDT at the time of the

examination. The number of questions set will be as defined in

Table 4.

10.5.2.3. All the questions are of the multiple choice answer type. The total

time allowed for this examination is 3 hours.

10.5.3. Main Method Examination

10.5.3.1. This written examination shall assess the candidate’s knowledge of

the main method subjects using the minimum required number of

multiple choice questions approved by the British Institute of NDT

at the time of the examination. The number of questions shall be

as defined in Table 5.

10.5.3.2. The duration of the examination is 1 hour for part D, 40 minutes

for part E,and 4 hours for part F.

10.5.3.3. Level 3 candidates not holding appropriate level 2 certification

shall pass a relevant level 2 practical examination (except that

they need not draft an NDT instruction).

10.5.3.4. The successful candidate for PCN Level 3 certification may be

issued Level 2 certification in the same NDT method and sector

without further examination provided the relevant PCN Level 2

practical examination was passed in order to gain the Level 3

certification concerned. The resultant Level 2 certification will be

valid for only those categories in which success in the practical

examination was achieved and will expire on the same date as the

related Level 3 certification and the procedure for revalidation will

be the same as for any level 2 certificate. Candidates seeking the

issue of a PCN Level 2 certificate under the procedure defined in

this clause will submit their request using form PSL-70 (Request

for L2 issue to L3 holder).

11. Examination Exemptions

11.1. Candidates in initial PCN examinations are not required to attempt an examination

part in which they have already achieved success during the process of gaining PCN

certification, so long as the subject examination part has (or had) the same (or a

greater) scope as that part for which an exemption is claimed, and the resultant

certification remains valid.

11.2. Existing PCN level 3 certificate holders who are attempting additional level 3

examinations will be exempt the whole of the basic examination and, if they hold

valid certification at level 3 covering the same method in a different sector, the part D

(a general examination covering the Level 3 knowledge relating to the test method).

11.3. Existing PCN level 3 certificate holders wishing to gain level 2 certification in the

same sector and NDT method, will be exempt all examination parts other than the

level 2 practical examination.

11.4. Level 3 candidates who hold PCN (or equivalent acceptable to BINDT) level 2

certificates are exempt part or the whole of the level 3 Basic examination part C.

However, the candidate must demonstrate a general knowledge at level 2 of at least

four NDT methods, including at least one relating to a volumetric NDT method (UT or

RT).

11.5. Level 3 candidates who hold valid level 2 in the same sector or have successfully

passed a level 2 practical examination for the method in an industrial sector are

exempt from passing again the level 2 practical examination. This exemption is only

valid for the product sectors covered by the industrial sector concerned and, in any

other circumstances, the relevant sector is the sector in which the candidate seeks

level 3 certification.

11.6. For the purpose of claiming exemptions, certification issued by other independent

NDT personnel certification bodies may be considered by the British Institute of NDT

for equivalence (refer to PCN document PSL/49 for further information). An

administrative charge will be made where the British Institute of NDT requires an

evaluation of alternative certification.

11.7. If any candidate elects to include in his or her examination any part or parts from

which he or she could be exempt, then failure in any such part will cause the

candidate to fail and no certification will be issued. The validity of any existing PCN

certificates held by the candidate will be unaffected by such failure.

11.8. A candidate for radiography who claims an exemption in respect of Basic Radiation

Safety should note that PCN radiography certification is valid only so long as the

holder holds any other level of PCN radiation protection certification, or valid

radiation safety certification recognised by the British Institute of NDT.

12. Conduct of Examinations

12.1. General

12.1.1. At the time of examination, the candidate shall have in his or her possession

valid proof of identification and an official notification of the examination,

which shall be shown to the examiner or invigilator upon demand.

12.1.2. Candidates must not be in possession of any equipment or documentation,

other than that provided by the examination centre with the authority of an

authorised examiner, during a qualification examination.

12.1.3. Any candidate who, during the course of the examination, does not abide by

the examination rules or who perpetrates, or is an accessory to, fraudulent

conduct shall be excluded from further participation.

12.1.4. Candidates proved to have cheated in a PCN examination will not be

accepted as a candidate for any PCN examination for a period of 12 calendar

months from the date of the examination in which cheating was established

to have taken place. No examination results will be issued for those

examination parts already completed and a letter will be sent to the candidate

concerned and to the employer or sponsor explaining why the examination

was terminated.

12.2. Preparation and conduct of examinations

12.2.1. All PCN examinations shall be prepared, and supervised by authorised

examiners, and conducted in AECs established, approved and monitored by

the British Institute of NDT, either directly or through an AQB.

12.2.2. Examinations shall be invigilated by an examiner, or by one or more trained

and authorised invigilators placed under the responsible examiner’s control. 13. Grading of Examinations

13.1 The pass mark for each examination part, and for levels 1 and 2, for each

examination specimen tested, is 70%.

13.2 Grading of PCN practical; examinations is detailed in document CP22.

13.3 To be eligible for certification all candidates must achieve an overall score of no less

than 80%, which is the average of the scores for the general, specific and practical

examination parts. All examination scores shall be of equal weight in determining the

average score.

13.4 The Level 3 Main Method examination shall not be graded until such time as the

candidate has been successful in the Level 3 Basic examination. The pass mark for

each examination part is 70% with a straight average of no less than 80%.

14. Re-examination

14.1. A candidate who fails to obtain the pass grade for any examination part (general,

specific or practical), may be re-examined twice in the failed part(s), provided the re-

examination takes place not sooner than one month, unless further training

acceptable to BINDT (see 7.2) is satisfactorily completed, nor later than twelve

months after the original examination.

14.2. A candidate who achieves a passing grade of 70% in each of the examination parts,

(general, specific or practical), but whose average score is less that the required 80%,

may be re-examined a maximum of two times in any or all of the examination parts in

order to achieve an overall average score of 80%, provided the re-examination takes

place not sooner than one month, unless further training acceptable to BINDT (see

7.2) is satisfactorily completed, nor later than twelve months after the original

examination.

14.3. A candidate who fails all permitted re-examinations shall apply for and take the initial

examination according to the procedure established for new candidates.

14.4. A candidate whose examination results have not been accepted for reason of fraud or

unethical behaviour shall wait at least 12 months before re-applying for examination.

15. Publication of Examination Results

15.1. All candidates will be issued with a standard PCN examination results notice by the

BINDT Authorised Qualifying Body, normally within 21 days of completion of

examination, provided all examination fees have been paid.

15.2. A copy of the results notice will be sent to the organisation paying the examination

and certification fees, and to the PCN Certification Records Office, which will issue

certification to candidates fulfilling all pre-requisites (training, experience, satisfactory

vision and success in the relevant examination) for certification.

15.3. Candidates who have met all requirements for certification with the exception of

having the required minimum experience will be advised by the PCN Certification

Records Office on how to record experience gained under Appropriately Qualified

Supervision. Applications for certification post experience are made directly to the

PCN Certification Records Office on form PSL/57C.

15.4. Candidates who fail any part of the examination will be provided with brief reasons for

failure on this notice.

16. Certification

16.1. Successful candidates will be issued a PCN certificate of competence, which

indicates that all conditions for certification, as detailed in the present specification

document, are met. Issue of certification normally takes place within 21 days of

BINDT receiving the formal notification of success in the examination from the AQB.

However, where a candidate for certification has achieved a pass in all relevant

examination parts, but has not yet satisfied the pre-requisite experience and vision

requirements, the issue of certification may be deferred for up to two years from the

date of success in the PCN examination.

16.2. Once the PCN Certification Records Office is in possession of evidence that all pre-

requisites (training, experience, satisfactory vision and success in the relevant PCN

examination) have been satisfied, a PCN certificate stating the level and category

awarded will be published.

16.3. The PCN record of certification and/or corresponding wallet card bears:

16.3.1. the full name of the certificated individual;

16.3.2. the date of certification;

16.3.3. the date upon which certification expires;

16.3.4. the level of certification;

16.3.5. the NDT method(s);

16.3.6. the applicable sector(s);

16.3.7. the specific scope of the competence;

16.3.8. a unique PCN identification number;

16.3.9. the signature of the certificated individual;

16.3.10. a photograph of the certificated individual (either on the certificate or a

wallet card).

NOTE: By issuing the certificate and/or the corresponding wallet card, the British Institute of NDT attests to the qualification of the individual but does not give any authority to operate. 17. Validity of Certification

17.1. The period of validity of the certification is normally of five years from the date of

certification, and the expiry date is indicated on the certificate and/or wallet card.

17.2. Where success in the recertification procedure occurs within the 90 days prior to

expiry of the certificate, the new certificate will expire five years after the expiry date

of the certificate being revalidated. If the renewal or recertification procedure is

completed prior to 90 days before expiry, the new certificate will be valid for five

years from the completion of that renewal or recertification procedure.

17.3. PCN certification shall be invalid:

17.3.1. in any industrial sector which is not covered by the certificate (unless the

holder successfully completes a supplementary examination for the

industrial sector);

17.3.2. at the option of the British Institute of NDT after reviewing evidence of

unethical behaviour (see CP27 – PCN Code of Ethics);

17.3.3. if examination or certification fees are not paid when due;

17.3.4. if the individual fails to satisfy the criteria for visual acuity and colour

perception;

17.3.5. if a significant interruption(see definitions) takes place in the method for

which the individual is certificated;

17.3.6. from the date of issue of notification of failure in a PCN examination for

recertification.

17.3.7. in the case of certification for industrial radiography, if the period since the

certificate holder has achieved success in a PCN (or recognised

equivalent) radiation safety examination exceeds five years;

NOTE: PCN radiography certification is considered by BINDT to be valid in any

country outside of the United Kingdom where the certificate holder has passed an

examination on local radiation safety regulations, and provides to BINDT evidence of

valid radiation safety certification issued by a recognised independent authority in that

country.

17.4. Verification of current PCN certification is available at https://www.doczj.com/doc/b3964234.html,/PCN provided

the correct PCN number of the individual is entered.

18. Renewal and recertification

18.1. The procedure for renewal and recertification of PCN level 1 and 2 certificates is

detailed in PCN document CP16.

18.2. The procedure for renewal and recertification of PCN level 3 certificates is detailed in

PCN document CP17.

18.3. To ensure continuity, it is advisable to submit applications for renewal or

recertification at least 56 days prior to certificate expiry. Applications for renewal or

recertification after the certificate has expired may be considered (up to one year

after expiry), but such applications will be subject to payment of an additional

administration fee.

18.4. In the event of failure in a recertification examination, BINDT will immediately cancel

the certificate concerned, issuing a new record of certification that no longer shows

the competence concerned, and sending this with an explanatory letter to the

certificate holder asking for the return of the superseded record of certification. The

cancellation of the certificate will not affect the eligibility of the candidate to attempt

the one permitted retest within the six month period allowed.

18.5. If renewal is applied for more than 12 months after expiry, recertification by

examination shall be required.

18.6. If recertification is applied for more that 12 months after expiry, a complete initial

examination - general, specific and practical - for Level 1 and Level 2, and a main

method examination for Level 3, including the Level 2 practical, shall be required. 19. Complaints and Appeals

19.1. PCN certificate holders must recognise that personal integrity and professional

competence are the fundamental principles on which their testing activities are

founded (see also use and misuse of certificates – paragraph 23). Accordingly, it is a

condition of PCN certification that certificate holders shall undertake to comply with a

code of ethics, which is published as PCN document reference CP27.

2016年移动L1认证家客精彩试题

家客业务试题单选题： 1、迁改工程中更换光缆接头盒时单模光纤的平均接头损耗应小于：A A.0.1dB/个 B.0.08dB/个 C.0.05dB/个 D.0.01dB/个 2、人行道及其它地段的管道埋深（PVC管材）：主管位深度为（B）厘米 A.65 B.60 C.55 D.50 3、代维公司的义务在（B）均为有效 A.双方合作期间 B.双方合作期间以及合作结束后 C.合作结束后 D.协定时间 4、代维公司应承担（D）的义务 A.有期限的 B.二十年 C.一年 D.永久性的 5、代维公司未经许可不得擅自向外披露包含（A）的移动公司商业信息 A.企业信息和客户信息 B.企业信息 C.客户信息 D.技术信息 6、在电气技术中，绿/黄双色导线用作（A ）。 A.地线 B.中性线 C.相线 D.以上说法都不对 7、三相四线制的中性线上不准安装开关或熔断器的原因是C A.中性线上无电流，熔丝烧不断 B.开半接通或断开对电路无影响 C.开关断开或熔丝断后，三相不对称负载承受三相不对称电压的作用，无常工作，严重时会烧毁负载 D.安装开关或熔断器降低了中性线的机械强度8、以下不属于代维单位职责的是D A.设立7*24小时热线，并落实专人及时响应 B.加强对代维工作信息化平台的使用和维护，确保系统和信息安全 C.制定代维工作作业计划 D.负责建设和完善代维管理信息化管理平台 9、代维费用结算依据需要哪些人员签字确认？D A.各级负责人 B.代维管理员 C.双方经办人员 D.双方经办人员、代维管理员及各级负责人 10、依据《安全生产法》，生产经营单位与从业人员订立协议，免除或者减轻其对从业人员因生产安全事故伤亡依法应承担的责任的，该协议（ C ）。 A.成立 B.效力待定 C.无效 D.依具体情况确定 11、小区ONU至用户侧户线布放采用沿墙钉固布放时，要求卡钉间距相同，网线每隔（B ）应当用扎带或扎线进行绑扎，在转弯处应增大绑扎密度，且转角处需有保护防磨措施。 A.50厘米 B.80厘米 C.100厘米 D.150厘米 12、家庭宽带安装过程中，当遇到网线从低楼层翻上楼顶时，路由应尽量选择楼梯通道的窗户外侧沿窗户边（ A ）处、并在窗户上下同时进行钉固。 A.10厘米 B.20厘米 C.30厘米 D.50厘米 13、域名被集团流控封堵后解封堵方法 A.发EOMS给集团处理 B.通过OA发给到信息安全运营中心 C.发EOMS给省公司处理 D.以上都不对 14、FTTH安装中，需要根据开通确认单上的信息在（ B ）设备上进行 LOID配置 A.ONU B.ONT C.OLT D.OMC 15、装机过程中，上门服务人员应在预约时间前（ D ）分钟到达现场 A.1-2 B.2-5 C.5-8 D.5-10 16、装机服务前，若因特殊原因确实需要改变上门服务时间的，应至少提前（C）小时通知客户 A..5 B.1 C.2 D.3 17、驻地网家客小区中，箱体设备需进行接电接地，要求接地电阻值小于多少？A A.5欧姆 B.10欧姆 C.15欧姆 D.20欧姆 18、代维中发生的低值易耗品的费用，原则上由（b）负责承担 A.装机人员 B.代维公司 C.移动公司 D.用户 19、代维人员考核指标有A

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国家职业资格考试 ------------------电子商务师职业资格认证简介电子商务师是利用计算机技术、网络技术等现代信息技术从事商务活动或相关工作的人员。随着现代信息技术在商务领域的普遍运用，电子商务师正成为劳动力市场需求的热点。 2001 年劳动和社会保障部制订并颁布了《电子商务师国家职业标准（试行）》，为保证培训和鉴定标准的同一性，在一套集职业培训综合教学平台、实验室软件、专用考试系统为一体的培训考核综合平台上进行所有的考试。在管理上对培训鉴定机构引入了特许授权管理模式，以保证电子商务师培训鉴定的整体质量。电子商务师职业等级该职业共设四个等级，分别为：电子商务员（国家职业资格四级）、助理电子商务师（国家职业资格三级）、电子商务师（国家职业资格二级）和高级电子商务师（国家职业资格一级）。电子商务师报考条件电子商务员（具备以下条件之一者）（ 1 ）在本职业见习工作 1 年以上，经本职业正规培训达规定标准学时数，并取得毕（结）业证书者。（ 2 ）取得经劳动保障行政部门审核认定的、以中级技能为培养目标的中等以上职业学校本职业（专业）毕业证书者。助理电子商务师（具备以下条件之一者）

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