ISO 9712:2012 非破壊検査—NDT担当者の資格と認定 | ページ 6

3.1

authorized qualification body

body, independent of the employer, authorized by the certification body to prepare and administer qualification examinations

3.2

basic examination

written examination, at Level 3, which demonstrates the candidate’s knowledge of the materials science and process technology and types of discontinuities, the specific qualification and certification system, and the basic principles of NDT methods as required for Level 2

Note 1 to entry: For an explanation of the three levels of qualification, see Clause 6.

Note 2 to entry: The qualification and certification system is specified in this International Standard.

3.3

candidate

individual seeking qualification and certification who gains experience under the supervision of personnel having a qualification acceptable to the certification body

3.4

certificate

document issued by the certification body under specified provisions, indicating that the named person has demonstrated the competence(s) defined on the certificate

Note 1 to entry: The provisions are specified in this International Standard.

3.5

certification

procedure used by the certification body to confirm that the qualification requirements for a method, level and sector have been fulfilled, leading to the issuing of a certificate

3.6

certification body

body that administers procedures for certification according to specified requirements

Note 1 to entry: The requirements are specified in this International Standard.

3.7

employer

organization for which the candidate works on a regular basis

Note 1 to entry: An employer can also be a candidate at the same time.

3.8

examination centre

centre approved by the certification body where qualification examinations are carried out

3.9

examiner

person certified to Level 3 in the method and product or industrial sector for which he is authorized by the certification body to conduct, supervise and grade the qualification examination

3.10

general examination

written examination, at Level 1 or Level 2, concerned with the principles of an NDT method

3.11

industrial experience

experience, acceptable to the certification body, gained under qualified supervision, in the application of the NDT method in the sector concerned, needed to acquire the skill and knowledge to fulfil the provisions of qualification

3.12

invigilator

person authorized by the certification body to supervise examinations

3.13

job-specific training

training, provided by the employer (or his agent) to the certificate holder in those aspects of non-destructive testing specific to the employer’s products, NDT equipment, NDT procedures, and applicable codes, standards, specifications and procedures, leading to the award of operating authorizations

3.14

main-method examination

written examination, at Level 3, which demonstrates the candidate’s general and specific knowledge, 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

3.15

multiple choice examination question

wording of a question giving rise to four potential replies, only one of which is correct, the remaining three being incorrect or incomplete

3.16

NDT instruction

written description of the precise steps to be followed in testing to an established standard, code, specification or NDT procedure

3.17

NDT method

discipline applying a physical principle in non-destructive testing

3.18

NDT procedure

written description of all essential parameters and precautions to be applied when non-destructively testing products in accordance with standard(s), code(s) or specification(s)

3.19

NDT technique

specific way of utilizing an NDT method

3.20

NDT training

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 the certification body

3.21

operating authorization

written statement issued by the employer, based upon the scope of certification, authorizing the individual to carry out defined tasks

Note 1 to entry: Such authorization can be dependent on the provision of job-specific training.

3.22

practical examination

assessment of practical skills, in which the candidate demonstrates familiarity with, and the ability to perform, the test

3.23

qualification

demonstration of physical attributes, knowledge, skill, training and experience required to properly perform NDT tasks

3.24

qualification examination

examination, administered by the certification body or the authorized qualification body, which assesses the general, specific and practical knowledge and the skill of the candidate

3.25

qualified supervision

supervision of candidates gaining experience by NDT personnel certified in the same method under supervision or by non-certified personnel who, in the opinion of the certification body, possess the knowledge, skill, training, and experience required to properly perform such supervision

3.26

sector

particular section of industry or technology where specialized NDT practices are used, requiring specific product-related knowledge, skill, equipment or training

Note 1 to entry: A sector can be interpreted to mean a product (welded products, castings) or an industry (aerospace, in-service testing). See Annex A.

3.27

significant interruption

absence or change of activity which prevents the certified individual from practising the duties corresponding to the level in the method and the sector(s) within the certified scope, for either a continuous period in excess of one year or two or more periods for a total time exceeding two years

Note 1 to entry: Legal holidays or periods of sickness or courses of less than 30 days are not taken into account when calculating the interruption.

3.28

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

3.29

specification

document stating requirements

3.30

specimen

sample used in practical examinations, possibly including radiographs and data sets, which is representative of products typically tested in the applicable sector

Note 1 to entry: A specimen can include more than one area or volume to be tested.

3.31

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 is graded

3.32

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

3.33

validation

act of demonstrating that a verified procedure works in practice and fulfils its intended function, normally achieved by actual witnessing, demonstration, field or laboratory tests or selected trials

3.34

renewal

procedure for revalidation of a certificate without examination at any time up to five years after success in an initial, supplementary or recertification examination

3.35

recertification

procedure for revalidation of a certificate by examination or by otherwise satisfying the certification body that the published criteria for recertification are satisfied