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Qualification and Certification

in NDERoots and the way of

EN 473 / ISO 9712

Dr. Heinrich Heidt, Ralf Holstein

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NDT

Non destructive testing is the examination ofmaterials and components without changing ordestroying their usefulness

NDT plays a crucial role in everyday life and isnecessary to assure safety and reliability

Typical examples are found in aircraft, motorvehiclespipelines, bridges, trains, power stations, refineriesand oil platforms which are all inspected using NDT


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Knowledge and experience of the NDT-

Personnel are the main keys for good

NDT-Results

Since more than 80 years these people

are specially trained

The first trainings where simple on-the-

ob trainings


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NDT Personnel

Later on a classroom training was addedand finished with an examination

The next step was a recommendation for the

Certification of NDT-Personnel ,first

published in the US 1967


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Examination

Training Eye Test Experience Authorization


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Certification by employer

First certificates were given by the

employer

He was responsible for training ,

examination certification for storing the

files

This had to be described in a Written

Practice


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Certification by employer

Problems

The certification is different from company

to company

Every customer is checking the system

with review and approval (multiple cost)

Some employers misuse the flexibility


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Central Certification

Beginning 1974 National NDT-Societies all

over the world started to offer a Central

Certification

fter an examination by an independentexaminer, an independent certification

body is giving the certificates


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The certificates are widely accepted

The qualification is cost efficient

There is no difference from one employerto another


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The good acceptance of the central

certification led forward to internationallyrecognized programs

Between 1987 and 1993 CEN and ISO

developed the standardsEN 473 and ISO 9712


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fter some years of experience both

organizations improved and revised thedocuments

They added a training syllabus and

requirements for training organizations


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Requirements of EN 473

ExperienceCertification

ExaminationTraining


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Level of competence

Three levels of competence are defined

Level 1 the basic operator

Level 2 the advanced operator

Level 3the supervisor


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Level

May be authorized to

a) set up NDT equipment,

b) perform the tests

c) record and classify the results of the

tests in terms of written criteria ,

d) report the results


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Level 2

Set up and verify equipment settings ,

perform and supervise tests ,

interpret and evaluate results accordingto applicable standards , codes orspecifications,

prepare written NDT instructions

organize and report the results


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Level 3

ssume full responsibility for a test facility orexamination centre and staff,

establish and validate NDT instructions and

proceduresdesignate the particular test methods ,

procedures and NDT instructions to be used

carry out and supervise all level 1 and level 2

duties


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Requirements

Requirements for experience training andexamination differ from Level to Level

They also depend on the NDT method


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Experience in Months

Method Level 1 Level 2

Ultrasonic 3 9

MagneticParticle

1 3

Penetrant

Testing

1 3


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Pre Education for Level 3

Experience

(months)

at least three years accredited in

science or engineering college or

12

university programme

technical school or

at least two years of engineering or

science study at an accredited college or

university

24

No degree 48


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Training

In Level 1 and 2 a formal training is

required

The training has to be accepted by thecertification body

The time requirements are depending on

the NDT-methodUT1 40 hours UT2 80 hours


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Training

For Level 3 preparation for examination

may be achieved in different ways

By attending training courses, conferences or

seminars

alternatively by studying books, periodicals

and other specialized printed materials


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Examination

Prior to examination , every candidate has

to fulfill the requirements for training and

experienceThen he is able to apply for theexamination performed under the control

of the certification body


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Examination Level and 2

Examination with three parts

General Written(90 Min)Knowledge of basic principles

Specific Written (90 Min)Knowledge of procedures, codes

and instructions

Practical hands on (120 min):

Performing tests on differentobjects with real defects


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Training and examination

Level 3


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Demand of EN 473

5.3.3.2 Level 3 personnel have demonstrated

b) sufficient practical knowledge to selectNDT-methods, establish NDT techniques

c) a general familiarity with other NDT methods


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Level 3 Knowledge

Level 3Level 2

practical

PracticalKnowledgeHouwatorTest

General OverviewMaterials/processes

Method principlesAdvantages/Problems

Method selection

Basic

Level 3Main Method

High Level

Knowledgein every

singleMethod

Examination Examination Examination


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Level 3 Examination

1 practical examination for the test method (4hours)

2 written examination (6 parts) for the generaloverview (8 hours)

3 written examination (3 parts) for the deepknowledge of the single method (8 hours)

Examination 1 and 3 must be passed for everymethod in witch he wants to become a level 3person


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Certification

fter a person has fulfilled everyrequirement for experience , training and

examination he can apply for certification

The Certification Body is checking it and

granting certificates


C tifi ti

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Certification

Wallet card

Limited validationCertificate 4


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Validation

The validation period starts if everyrequirement for certification is fulfilled ,normally with the day of the last

examinationcertificate according to EN 473 is valid

for a maximum of 5 years


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Validation

fter 5 years the certificate can berenewed if there is evidence of

continuous work, stated by the employerfter another 5 years it can be recertified

but only by examination


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Certification OrganizingExaminationsImplementing a

QM System

ofPersonnel

Tasks of the

CertificationBody

Catalog of

questions

Supervising andDocumentation training of Examiners


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Summary

Central Certification of NDT Personnel is a

common way in Europe

The Standard EN 473 in second edition isdescribing such a system

More than 100.000 certificates show the big

acceptance on the market


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Digital Radiology

The first course on Imaging NDE before: Radioscopy,Level 1 & 2, each 4 days

Special Topics

- Imaging systems, check of image quality, optimisation- Images of welding and casting defects

- Exercises

-Filtering and noise reduction (Level 2)

- utomatic and interactive defect recognition (Level 2)


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Qualification and

Certification

beyond the Standards?


Many companies need

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Many companies need

Senior Experts for multiple NDT-methods

Level 3

+ with two or more

main methods


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aEtxiaom

ninatio

QuestionsQuestions

Materials/processes

25

EN 473

20

4 selectedNDT-methods

60

Questions

SNT-TC1A

20

Questions

All 10NDT-

methods

20

Questions

NDT-

Management

20

Questions

Examination 1 Examination 2 Exam. 3

240 min. 80 min. 40 min.


Summary of new Level 3 quality initiative

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Summary of new Level 3 quality initiative

Examination I

Examination II

Examination III

NDT-Select

2 Main Method Examinations

NDT-Master


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Some Data

aboutDGZ

(German Society for Non-Destructive testing)


The DGZfP

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Education nd Training Ltd

Since more than 70 years, training of testing personnel

is one of the main tasks of the DGZfP which has nowa long tradition and is perform with grea scio

Since 1956,

more than 35 00 pectors have be

O trainedhe DGZf offers a comprehensive p ra inx regi a ining centers and several authorized

aining lo .

This network makes the DGZfP to one of the larges

training organizations for NDT personnel in Europe

Dr. Heinrich Heidt, Ralf Holstein 8

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Training Centers


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Quality

Costumer satisfaction is our goal

Our training organization fulfills the

requirements of ISO 9001 2000The training content is controlled bya governing board of NDT-experts

from industry institutes andsuppliers


F l R

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Formal Reasons

A quality managementsystem designed tosatisfy ISO 9001

2000 would beconsidered to satisfythese guidelines


Benefit for the Organisation

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Talking about quality

brings the idea of

customer satisfaction in

every mind

It is changing the

behavior of our

colleagues



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certified qualitysystem attracts

costumers

1 3 5 7 9 1 1 1 3 1 5 1 7 1 9 2 1 2 3 2 5 2 7 2 9 3 1 3 3 3 5 3 7 3 9 4 1 4 3 4 5 4 7 4 9 5 1 5 3


Benefit

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Benefit

Continuousoptimization of the

work

Procedures and

documentations as

Backup


Benefit for employees

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Benefit for employees

Involvement andInfluence

Information

Continuous education


Benefit for customers

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Benefit for customers

Fulfillment ofMarket

requirements

Public statement thatqualityis important

Company

Thank you foDr. Heinrich Heidt, Ralf Holstein

Documents

Heidt