Non-destructive testing - NDT personnel training organizations (ISO/TS 25108:2018)

This document gives requirements and recommendations for non-destructive testing (NDT) training
organizations, with the intention of harmonizing and maintaining the general standard of training of
NDT personnel for industrial needs.
It also establishes the minimum requirements for effective structured training of NDT personnel to
ensure eligibility for qualification examinations leading to third-party certification according to
recognized standards.
NOTE ISO/TS 25107 gives requirements and recommendations for NDT training syllabuses intended for
training.

Zerstörungsfreie Prüfung - Richtlinien für Ausbildungsstätten für Personal der zerstörungsfreien Prüfung (ISO/TS 25108:2018)

Essais non destructifs - Organismes de formation du personnel END (ISO/TS 25108:2018)

Le présent document fournit des exigences et des recommandations pour les organismes de formation aux essais non destructifs (END), dans l'intention d'harmoniser et de tenir à jour la norme générale relative à la formation du personnel END pour les besoins industriels.
Il établit également les exigences minimales pour une formation efficace et structurée du personnel END, afin de garantir l'éligibilité dudit personnel pour les examens de qualification conduisant à la certification par une tierce partie selon des normes reconnues.
NOTE L'ISO/TS 25107 fournit des exigences et des recommandations concernant les programmes de formation en END prévus pour la formation.

Neporušitvene preiskave - Organizacije, ki usposabljajo osebje za neporušitvene preiskave (ISO/TS 25108:2018)

Ta dokument vsebuje zahteve in priporočila za organizacije, ki nudijo usposabljanje za neporušitvene preiskave (NDT), z namenom uskladitve in vzdrževanja splošnega standarda usposabljanja osebja za neporušitvene preiskave za potrebe v panogi.
Določa tudi minimalne zahteve za učinkovito strukturirano usposabljanje osebja za neporušitvene preiskave, s čimer se zagotovi upravičenost kvalifikacijskih izpitov za pridobitev certifikata, ki ga v skladu s priznanimi standardi organizirajo tretje osebe.
OPOMBA: Standard ISO/TS 25107 vsebuje zahteve in priporočila za program (učni načrt) usposabljanja osebja za neporušitvene preiskave.

General Information

Status
Published
Publication Date
03-Feb-2019
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
06-Dec-2018
Due Date
10-Feb-2019
Completion Date
04-Feb-2019

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SLOVENSKI STANDARD
SIST-TS CEN ISO/TS 25108:2019
01-marec-2019
1DGRPHãþD
SIST-TP CEN ISO/TR 25108:2007
Neporušitvene preiskave - Organizacije, ki usposabljajo osebje za neporušitvene
preiskave (ISO/TS 25108:2018)

Non-destructive testing - NDT personnel training organizations (ISO/TS 25108:2018)

Zerstörungsfreie Prüfung - Richtlinien für Ausbildungsstätten für Personal der
zerstörungsfreien Prüfung (ISO/TS 25108:2018)
Essais non destructifs - Organismes de formation du personnel END (ISO/TS
25108:2018)
Ta slovenski standard je istoveten z: CEN ISO/TS 25108:2018
ICS:
03.100.30 Vodenje ljudi Management of human
resources
19.100 Neporušitveno preskušanje Non-destructive testing
SIST-TS CEN ISO/TS 25108:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN ISO/TS 25108:2019
CEN ISO/TS 25108
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
November 2018
TECHNISCHE SPEZIFIKATION
ICS 19.100 Supersedes CEN ISO/TR 25108:2006
English Version
Non-destructive testing - NDT personnel training
organizations (ISO/TS 25108:2018)

Essais non destructifs - Organismes de formation du Zerstörungsfreie Prüfung - Richtlinien für

personnel END (ISO/TS 25108:2018) Ausbildungsstätten für Personal der zerstörungsfreien

Prüfung (ISO/TS 25108:2018)

This Technical Specification (CEN/TS) was approved by CEN on 20 October 2018 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to

submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS

available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in

parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TS 25108:2018 E

worldwide for CEN national Members.
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CEN ISO/TS 25108:2018 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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CEN ISO/TS 25108:2018 (E)
European foreword

This document (CEN ISO/TS 25108:2018) has been prepared by Technical Committee ISO/TC 135

"Non-destructive testing" in collaboration with Technical Committee CEN/TC 138 “Non-destructive

testing” the secretariat of which is held by AFNOR.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes CEN ISO/TR 25108:2006.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO/TS 25108:2018 has been approved by CEN as CEN ISO/TS 25108:2018 without any

modification.
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SIST-TS CEN ISO/TS 25108:2019
TECHNICAL ISO/TS
SPECIFICATION 25108
First edition
2018-10
Non-destructive testing — NDT
personnel training organizations
Essais non destructifs — Organismes de formation du personnel END
Reference number
ISO/TS 25108:2018(E)
ISO 2018
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ISO/TS 25108:2018(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2018

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved
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Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 General ............................................................................................................................................................................................................................ 2

5 Training organization management ................................................................................................................................................ 3

6 Quality management system .................................................................................................................................................................... 3

7 Induction of students ....................................................................................................................................................................................... 3

8 Student assessment ........................................................................................................................................................................................... 4

9 Training curriculum and course notes .......................................................................................................................................... 4

10 Facilities ......................................................................................................................................................................................................................... 5

11 Training specimens ........................................................................................................................................................................................... 5

12 NDT equipment — General ........................................................................................................................................................................ 5

13 Technical library ................................................................................................................................................................................................... 5

14 Instructors .................................................................................................................................................................................................................. 5

15 Training records ................................................................................................................................................................................................... 6

Annex A (informative) Guidelines for NDT training organization on holdings ........................................................7

Annex B (informative) E-Learning .......................................................................................................................................................................17

Bibliography .............................................................................................................................................................................................................................19

© ISO 2018 – All rights reserved iii
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Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso

.org/iso/foreword .html.

This document was prepared by Technical Committee ISO/TC 135, Non-destructive testing,

Subcommittee SC 7, Personnel qualification.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/members .html.
This first edition cancels and replaces ISO/TR 25108:2006.
iv © ISO 2018 – All rights reserved
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Introduction

Since the effectiveness of non-destructive testing (NDT) personnel is dependent on the technical

knowledge acquired, a system to evaluate and document the appropriate theoretical and practical

knowledge competencies of personnel is required.

To harmonize and maintain training and certification of NDT personnel, this document for NDT training

organizations, together with NDT training syllabuses (ISO/TS 25107) have been developed with the

intent to serve those involved in training to achieve a uniform level of training, training material and

consequently competence of personnel.
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TECHNICAL SPECIFICATION ISO/TS 25108:2018(E)
Non-destructive testing — NDT personnel training
organizations
1 Scope

This document gives requirements and recommendations for non-destructive testing (NDT) training

organizations, with the intention of harmonizing and maintaining the general standard of training of

NDT personnel for industrial needs.

It also establishes the minimum requirements for effective structured training of NDT personnel to

ensure eligibility for qualification examinations leading to third-party certification according to

recognized standards.

NOTE ISO/TS 25107 gives requirements and recommendations for NDT training syllabuses intended for

training.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO/TS 18173, Non-destructive testing — General terms and definitions

ISO 9712, Non-destructive testing — Qualification and certification of NDT personnel

ISO/TS 25107, Non-destructive testing — NDT training syllabuses
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO/TS 18173 and ISO 9712 and

the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
3.1
course note

educational material that is used in the classroom to support learning objectives

Note 1 to entry: Supplied and produced by the organization in either paper or electronic format (e.g. course

manual or presentation, assignments, lab exercises, quizzes, etc.).
3.2
course outline

document agreed between the organization and students that includes a high-level overview of what

will be taught
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3.3
curriculum

detailed plan of study prepared by the training organization which describes the aims, academic and

practical content, learning outcomes and practical competencies to be gained, teaching, training and

learning methods, assessment processes for the lessons and academic content taught and practical

competencies trained in a specific course
3.4
distance education

any mode of delivery which occurs when students are learning independently at a location away from

the premises of the training organization and the instructor provides only consultation to the student(s)

3.5
e-learning
learning method facilitated by information and communication technology
3.6
instructor
person performing training
3.7
training staff
personnel performing work affecting the NDT training quality

Note 1 to entry: Pertains to personnel other than the instructor (3.6) such as secretariat staff, assistant

instructors, lab assistants, proctors.
4 General

A planned and systematic training process can make an important contribution in helping a training

organization to improve its capabilities and to meet its objectives.

For selecting and implementing training to address gaps between required and existing competence

requirements, training organizations shall monitor the following stages:
a) defining training needs;
b) designing and planning training;
c) providing training;
d) evaluating the outcome of training.

Training curriculum shall be developed to establish a clear understanding of the training objectives

and the learning outcomes that define what the student will be able to achieve as a result of the training

and to ensure that the basic knowledge required by students in continuing to fulfil their training needs

are met.

This can include initial training in areas such as math, materials and processes and safety.

Training objectives shall be based on the expected competence as developed for the training needs in

order to ensure the effective delivery of training. They should consider the following:

a) training needs;
b) students;
c) training methods;
d) outline of content;
e) lesson plans;
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f) duration;
g) resources required;
h) delivery mode.

Criteria for evaluating the training outcomes and monitoring the training process should be defined.

5 Training organization management

The training organization shall appoint a person to be responsible for the overall management of the

training centre and courses.

A person should also be appointed to be responsible for establishing a quality management system

covering all aspects of the training services provided.
6 Quality management system

The training organization shall have a suitable quality management system which is documented and

ensures the effective delivery of the training requirements.

EXAMPLE A documented quality management system based on ISO 9001 is an example of method of

satisfying this requirements.

The system shall be controlled and periodically reviewed according to the stipulations (for example,

ISO 9712, ISO/TS 25107) in the quality management system.

Where the competence of an individual is based on appropriate education, training, skills and

experience, the training organization shall:

— determine the necessary competence for training staff performing work affecting the NDT training

quality;
— provide training or take other actions to satisfy these needs; and
— evaluate the effectiveness of the action taken.
7 Induction of students

The training organization shall provide all information and conditions necessary for attendance in the

training.

For example, a system of induction should ensure that, upon receipt of an application for training,

students are provided with unambiguous information/instructions on the following:

— prior knowledge requirements (i.e. math, materials and processes, radiation safety);

— training fees, including all that is covered by the fees, and methods of payment (there should be no

hidden extras requiring further payments, and a schedule of course fees should be published);

— dates and times for course attendance, and clear instructions concerning the location of the

training venue;

— transport (including information on parking), accommodation and catering arrangements;

— NDT equipment required to be provided by the student, and/or details of the NDT equipment

provided by the training organization;
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— personal protective equipment, if required, and details of the essential safety requirements

pertaining to the training venue, especially where the training includes the use of ionizing radiation

or substances hazardous to health;
— any textbooks that the student is required to provide;

— the name and contact information of a training organization representative from whom additional

information can be obtained prior to or during the training.
8 Student assessment

A system of ongoing assessment of students shall be used to ensure that the learning progress of the

individual student is monitored, and which results in counselling for those students who fail to achieve

the required standard at any point during the course.
Key
1 training
2 on-going assessment

NOTE The dotted line indicates additional training with the options theoretical, practical or both.

Good.
Poor.
Successful completion of training.
Figure 1 — Student assessment

The training organization shall have a system in place to ensure every effort is made for safeguarding

the integrity of training examinations no matter what training format is used.

NOTE Training format can include in-class training or distance education including e-learning (Annex B

provides guidance on e-learning).

A traceable statement of completion of training shall be issued, including the list of trainers, following

final evaluation. This statement shall contain the result of the final evaluation.

Contracts between the training organization and the student, and/or representative, shall highlight the

possible consequences of the student not meeting the requirements at any assessment point during

training.
9 Training curriculum and course notes

The training organization should publish and make freely available upon request a training outline

for each course offered. This outline should cover the relevant elements of the syllabus referenced in

ISO 9712.

The training curriculum shall be designed to balance both theoretical and practical elements. For

Levels 1 and 2 training organizations should dedicate (50 ± 10) % of the minimum training requirement

to practical exercises.

The training organization shall maintain a master set of training notes bearing a revision date, to ensure

consistency between courses in the event of instructor changes. The master set shall be reviewed

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periodically and revised as necessary in light of changes to the referenced syllabus and applicable

standards.

Each student shall be provided with a comprehensive set of appropriate course notes.

10 Facilities

Classrooms and practical facilities shall be well lit and ventilated, and there should be adequate

provision of teaching aids.

Where applicable, personal protective equipment shall be provided if students are not advised to

provide this for themselves. Equipment provided by students shall be verified as suitable by the

responsible course instructor.
11 Training specimens

Training specimens, including radiographs and data sets, shall be available in sufficient quantity

and complexity to cover the full range of NDT methods and techniques encompassed by the training

syllabuses.

The specimens with discontinuities shall contain real or artificial discontinuities representative of those

found in the field (not applicable to strain gauge testing or other techniques which are not focussed on

the detection of discontinuities such as thickness measurements, conductivity measurements, etc.).

The position and characterization of all real or artificial discontinuities, relevant to the NDT method/

technique within each specimen shall be recorded in a report.
12 NDT equipment — General

Appropriate NDT equipment; including NDT instruments, accessories, calibration blocks, shall be

available in sufficient quantities that provide each student with the opportunity to complete all

exercises individually with a maximum of two students working on the same exercise at the same time

(see Annex A).

There shall be a documented system for maintenance and verification of NDT equipment, including

records.
13 Technical library

The NDT and product standards relevant to the courses shall be available to the students.

Relevant technical publications covering the training syllabus should also be available.

Relevant certification scheme documents should be included in this library and made known to the

students.
14 Instructors

There shall be sufficient instructors available to ensure that a minimum of one trained and appropriately

qualified instructor is present and available to students at all times whilst the course is in progress.

Instructors shall be appropriately qualified for the NDT method, sector or subject matter that the

course covers.

Instructors shall be familiar with the course outline and curriculum requirements, various training

systems, and be able to transfer knowledge by effective means.
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The training organization is responsible to ensure that the instructor’s NDT and product knowledge is

current and maintained up to date.

Class sizes should be limited to 10 students for each instructor during practical training.

15 Training records

There shall be a system for raising and maintaining training records, which shall be kept secure and

confidential.
Students’ records shall include:
1) names and contact details for all students;
2) duration and completion dates of training;

3) training history, including results of on-going assessments and the result of the final evaluation; and

4) training staff involved for each student.
Instructor’s records should include:
1) background and experience;
2) qualifications;
3) certification;
4) formal training and updating; and

5) evaluation of the training provided by the instructor (i.e. periodic monitoring of delivery).

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Annex A
(informative)
Guidelines for NDT training organization on holdings

NDT equipment should be available for the full range of NDT techniques, within the scope of the NDT

method and techniques being taught (Clause 12).
a) Ultrasonic testing (UT):
Equipment (Instruments):

— Ultrasonic test instrument with adjustable repetition rate and pulse length – Freq. 1 to 10 MHz

minimum;
— Cables as applicable to connect probe and instrument;
Probes (Sensors):
— Angle beam probe:
— 2,25 MHz to 5 MHz, 45/60 or 65/70 degrees, 12 mm to 24 mm square or round;
— 2,25 MHz to 5 MHz, 45/60 or 65/70 degrees, 6 mm to 12 mm square or round;
— Straight beam probe:
— 2 MHz to 2,25 MHz, 10 mm to 24 mm square or round;
— 4 MHz to 5 MHz, 10 mm to 24 mm square or round;
— Dual element straight beam probe:
— 4 MHz to 5 MHz, 6 mm to 12 mm square or round;
Consumable materials:
— Couplant (machine oil, glycerin, water, etc.);
Calibration Blocks (Standard blocks):
— Step wedge calibration block:
— 0,100 in to 0,500 in 0,1 increments;
— 1 mm to 8 mm in 1 mm increments as specified in ISO 16946;

— Equivalent calibration block according to regional standard 3 mm to 10 mm in 1 mm

increments as specified in relevant standards;
— Calibration block:
— IIW block (steel – type 1 or 2);
— Calibration block No. 1 according to ISO 2400;
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— Equivalent calibration block according to regional standard;
— Calibration block:
— DSC or Mini-angle beam block;
— Calibration block No. 2 according to ISO 7963;
— Equivalent calibration block according to regional standard;
Others (Optional):

— Lab scanner with turntable (any brand)/manipulator tube; 2 degrees of freedom/rollers for

back shock;
— Focused immersion probe, 5 MHz to 20 MHz;
— Non-Focused immersion probe, 5 MHz to 20 MHz;
— Portable immersion tank with manipulator (manual or mechanized);
— Resolution block or in range of ASME: resolution block;
UT-TOFD:
— UT-TOFD data collection instrument;

— Computer with software to interact with the UT-TOFD instrument, read the data and evaluate

the results;
— UT-TOFD scanner including probe and encoder;
— Transducers with matching wedges to produce centre beam refracted angles;
— Calibration blocks;
— Cables for all parts of the equipment;
UT-PAUT:
— Data collection instruments;

— Computer with software to interact with the UT-PAUT instrument, read the data and evaluate

the results;

— Transducer sets for each UT-PAUT instrument with sufficient elements and frequencies;

— Appropriate wedges and adaptors;
— UT-PAUT scanner including probe and encoder;
— Calibration blocks;
— Cables for all parts of the equipment.
b) Radiographic testing (RT):
Equipment (Instruments):

— At least one X-ray tube with a kilovolt range appropriate to the materials to be tested;

— For gamma radiography (where appropriate), an Iridium 192 source, with suitable container

and projection mechanism;
— Bunker or X-Ray cabin;
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— An X-ray beam centering device;
— Separate darkrooms for film processing and film preparation;
— A manual or automatic processing unit incorporating thermostatically c
...

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