Nuclear criticality safety - Nuclear criticality safety training for operations (ISO 23133:2021)

This document specifies minimum nuclear criticality safety training requirements for operations staff, operations supervisors, and management.
This document is applicable to areas, processes or facilities containing quantities of fissile material for which nuclear criticality safety assessment is required as defined in ISO 1709.
This document is not applicable to the transport of fissile materials outside the boundaries of nuclear establishments.

Kritikalitätssicherheit - Kritikalitätssicherheitstraining für Betriebe (ISO 23133:2021)

Sûreté-criticité - Formation à la sûreté-criticité dans le cadre de l’exploitation (ISO 23133:2021)

Le présent document spécifie les exigences minimales en matière de formation à la sûreté-criticité du personnel d'exploitation, du personnel d'encadrement et du personnel de direction.
Le présent document est applicable aux sites, procédés ou installations contenant des quantités de matières fissiles devant faire l'objet d'une évaluation de la sûreté-criticité, conformément au document ISO 1709.
Le présent document n'est pas applicable au transport de matières fissiles en dehors du périmètre des installations nucléaires.

Varnost pred kritičnostjo - Usposabljanje za varnost pred kritičnostjo pri obratovanju (ISO 23133:2021)

General Information

Status
Published
Publication Date
20-Dec-2022
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
21-Dec-2022
Due Date
30-Sep-2024
Completion Date
21-Dec-2022

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SLOVENSKI STANDARD
SIST EN ISO 23133:2023
01-marec-2023
Varnost pred kritičnostjo - Usposabljanje za varnost pred kritičnostjo pri
obratovanju (ISO 23133:2021)

Nuclear criticality safety - Nuclear criticality safety training for operations (ISO

23133:2021)

Kritikalitätssicherheit - Kritikalitätssicherheitstraining für Betriebe (ISO 23133:2021)

Sûreté-criticité - Formation à la sûreté-criticité dans le cadre de l’exploitation (ISO

23133:2021)
Ta slovenski standard je istoveten z: EN ISO 23133:2022
ICS:
03.100.30 Vodenje ljudi Management of human
resources
27.120.20 Jedrske elektrarne. Varnost Nuclear power plants. Safety
SIST EN ISO 23133:2023 en,fr,de

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

---------------------- Page: 1 ----------------------
SIST EN ISO 23133:2023
---------------------- Page: 2 ----------------------
SIST EN ISO 23133:2023
EN ISO 23133
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 03.100.30; 27.120.20
English Version
Nuclear criticality safety - Nuclear criticality safety
training for operations (ISO 23133:2021)

Sûreté-criticité - Formation à la sûreté-criticité dans le Kritikalitätssicherheit - Kritikalitätssicherheitstraining

cadre de l'exploitation (ISO 23133:2021) für Betriebe (ISO 23133:2021)
This European Standard was approved by CEN on 18 December 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

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

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

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye 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

© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 23133:2022 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN ISO 23133:2023
EN ISO 23133:2022 (E)
Contents Page

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

---------------------- Page: 4 ----------------------
SIST EN ISO 23133:2023
EN ISO 23133:2022 (E)
European foreword

The text of ISO 23133:2021 has been prepared by Technical Committee ISO/TC 85 "Nuclear energy,

nuclear technologies, and radiological protection” of the International Organization for Standardization

(ISO) and has been taken over as EN ISO 23133:2022 by Technical Committee CEN/TC 430 “Nuclear

energy, nuclear technologies, and radiological protection” the secretariat of which is held by AFNOR.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by June 2023, and conflicting national standards shall be

withdrawn at the latest by June 2023.

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.

Any feedback and questions on this document should be directed to the users’ national standards body.

A complete listing of these bodies can be found on the CEN website.

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, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the

United Kingdom.
Endorsement notice

The text of ISO 23133:2021 has been approved by CEN as EN ISO 23133:2022 without any modification.

---------------------- Page: 5 ----------------------
SIST EN ISO 23133:2023
---------------------- Page: 6 ----------------------
SIST EN ISO 23133:2023
INTERNATIONAL ISO
STANDARD 23133
First edition
2021-01
Nuclear criticality safety — Nuclear
criticality safety training for
operations
Sûreté-criticité — Formation à la sûreté-criticité dans le cadre de
l’exploitation
Reference number
ISO 23133:2021(E)
ISO 2021
---------------------- Page: 7 ----------------------
SIST EN ISO 23133:2023
ISO 23133:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

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
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
---------------------- Page: 8 ----------------------
SIST EN ISO 23133:2023
ISO 23133:2021(E)
Contents Page

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

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

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

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

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

4 Operations training ........................................................................................................................................................................................... 2

4.1 General ........................................................................................................................................................................................................... 2

4.2 Operations nuclear criticality safety training program ....................................................................................... 2

4.3 Objectives..................................................................................................................................................................................................... 2

4.4 Training of operations staff .......................................................................................................................................................... 3

4.5 Training of operations supervisors ....................................................................................................................................... 3

4.6 Training of management ................................................................................................................................................................ 3

5 Role in the training program ................................................................................................................................................................... 4

5.1 General ........................................................................................................................................................................................................... 4

5.2 Operations staff ...................................................................................................................................................................................... 4

5.3 Operations supervisors ................................................................................................................................................................... 4

5.4 Management .............................................................................................................................................................................................. 4

5.5 Nuclear criticality safety staff .................................................................................................................................................... 4

5.6 Training coordinator .......................................................................................................................................................................... 4

5.7 Criticality trainer ................................................................................................................................................................................... 5

6 Content of training .............................................................................................................................................................................................. 5

7 Delivery of training ............................................................................................................................................................................................ 5

8 Evaluation of training and testing ...................................................................................................................................................... 6

9 Maintenance of training ................................................................................................................................................................................ 6

10 Records ........................................................................................................................................................................................................................... 7

Bibliography ................................................................................................................................................................................................................................ 8

© ISO 2021 – All rights reserved iii
---------------------- Page: 9 ----------------------
SIST EN ISO 23133:2023
ISO 23133:2021(E)
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.

ISO 23133 was prepared by Technical Committee ISO/TC 85, Nuclear energy, nuclear technologies, and

radiological protection, Subcommittee SC 5, Nuclear installations, processes and technologies.

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.
iv © ISO 2021 – All rights reserved
---------------------- Page: 10 ----------------------
SIST EN ISO 23133:2023
ISO 23133:2021(E)
Introduction

Experience of criticality accidents and evidence of operations history worldwide has indicated that

human errors on different levels (management, operations staff, and/or operations supervisors),

through lack of understanding or ignorance of nuclear criticality safety, have contributed to accidents.

In order to maintain nuclear criticality safety for facilities handling and processing fissile material it is

necessary to ensure the operations staff, operations supervisors, and management are suitably trained

in nuclear criticality safety. This document was developed in response to demand for a definition of the

minimum nuclear criticality safety training requirements for operations staff, operations supervisors,

and management.

This training is distinct from that of the training necessary for nuclear criticality safety staff in that

it is tailored to suit the needs of maintaining nuclear criticality safety for operations. This document

sets out standards for achieving and maintaining an adequate level of understanding and knowledge in

order to operate nuclear facilities safely with respect to nuclear criticality safety.

This document covers high-level training for maintaining nuclear criticality safety. This includes

preparedness for and response to a potential criticality accident. ISO 11320 contains more specific

training provisions on emergency preparedness and response. This document supports integrating such

provisions, when relevant, within the training program for operations staff, operations supervisors,

and management.
© ISO 2021 – All rights reserved v
---------------------- Page: 11 ----------------------
SIST EN ISO 23133:2023
---------------------- Page: 12 ----------------------
SIST EN ISO 23133:2023
INTERNATIONAL STANDARD ISO 23133:2021(E)
Nuclear criticality safety — Nuclear criticality safety
training for operations
1 Scope

This document specifies minimum nuclear criticality safety training requirements for operations staff,

operations supervisors, and management.

This document is applicable to areas, processes or facilities containing quantities of fissile material for

which nuclear criticality safety assessment is required as defined in ISO 1709.

This document is not applicable to the transport of fissile materials outside the boundaries of nuclear

establishments.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions 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
operations staff

workers who, in the act of carrying out activities as part of a facility or process, have duties for

maintaining nuclear criticality safety

Note 1 to entry: These include staff and (sub)contractors performing activities in accordance with written

procedures as part of production, processing and handling of fissile material. They may also include workers

such as maintenance workers, and health physics monitors if they could have an effect on nuclear criticality

safety either through action or inaction as part of their duties. They do not include support staff, whose actions

would not be expected to affect fissile material processes.
3.2
operations supervisors

individuals who direct or supervise operations staff (3.1) in the production, processing or handling of

fissile material, and who accept responsibility for the safety of operations under his/her control

3.3
management

individuals with overall responsibility for the nuclear criticality safety of operations for a site, process

or facility
© ISO 2021 – All rights reserved 1
---------------------- Page: 13 ----------------------
SIST EN ISO 23133:2023
ISO 23133:2021(E)
3.4
nuclear criticality safety staff
individuals competent in the assessment of nuclear criticality safety requireme
...

SLOVENSKI STANDARD
oSIST prEN ISO 23133:2022
01-oktober-2022
Varnost pred kritičnostjo - Usposabljanje za varnost pred kritičnostjo pri
obratovanju (ISO 23133:2021)

Nuclear criticality safety - Nuclear criticality safety training for operations (ISO

23133:2021)

Kritikalitätssicherheit - Kritikalitätssicherheitstraining für Betriebe (ISO 23133:2021)

Sûreté-criticité - Formation à la sûreté-criticité dans le cadre de l’exploitation (ISO

23133:2021)
Ta slovenski standard je istoveten z: prEN ISO 23133
ICS:
03.100.30 Vodenje ljudi Management of human
resources
27.120.20 Jedrske elektrarne. Varnost Nuclear power plants. Safety
oSIST prEN ISO 23133:2022 en,fr,de

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

---------------------- Page: 1 ----------------------
oSIST prEN ISO 23133:2022
---------------------- Page: 2 ----------------------
oSIST prEN ISO 23133:2022
INTERNATIONAL ISO
STANDARD 23133
First edition
2021-01
Nuclear criticality safety — Nuclear
criticality safety training for
operations
Sûreté-criticité — Formation à la sûreté-criticité dans le cadre de
l’exploitation
Reference number
ISO 23133:2021(E)
ISO 2021
---------------------- Page: 3 ----------------------
oSIST prEN ISO 23133:2022
ISO 23133:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

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
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
oSIST prEN ISO 23133:2022
ISO 23133:2021(E)
Contents Page

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

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

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

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

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

4 Operations training ........................................................................................................................................................................................... 2

4.1 General ........................................................................................................................................................................................................... 2

4.2 Operations nuclear criticality safety training program ....................................................................................... 2

4.3 Objectives..................................................................................................................................................................................................... 2

4.4 Training of operations staff .......................................................................................................................................................... 3

4.5 Training of operations supervisors ....................................................................................................................................... 3

4.6 Training of management ................................................................................................................................................................ 3

5 Role in the training program ................................................................................................................................................................... 4

5.1 General ........................................................................................................................................................................................................... 4

5.2 Operations staff ...................................................................................................................................................................................... 4

5.3 Operations supervisors ................................................................................................................................................................... 4

5.4 Management .............................................................................................................................................................................................. 4

5.5 Nuclear criticality safety staff .................................................................................................................................................... 4

5.6 Training coordinator .......................................................................................................................................................................... 4

5.7 Criticality trainer ................................................................................................................................................................................... 5

6 Content of training .............................................................................................................................................................................................. 5

7 Delivery of training ............................................................................................................................................................................................ 5

8 Evaluation of training and testing ...................................................................................................................................................... 6

9 Maintenance of training ................................................................................................................................................................................ 6

10 Records ........................................................................................................................................................................................................................... 7

Bibliography ................................................................................................................................................................................................................................ 8

© ISO 2021 – All rights reserved iii
---------------------- Page: 5 ----------------------
oSIST prEN ISO 23133:2022
ISO 23133:2021(E)
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.

ISO 23133 was prepared by Technical Committee ISO/TC 85, Nuclear energy, nuclear technologies, and

radiological protection, Subcommittee SC 5, Nuclear installations, processes and technologies.

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.
iv © ISO 2021 – All rights reserved
---------------------- Page: 6 ----------------------
oSIST prEN ISO 23133:2022
ISO 23133:2021(E)
Introduction

Experience of criticality accidents and evidence of operations history worldwide has indicated that

human errors on different levels (management, operations staff, and/or operations supervisors),

through lack of understanding or ignorance of nuclear criticality safety, have contributed to accidents.

In order to maintain nuclear criticality safety for facilities handling and processing fissile material it is

necessary to ensure the operations staff, operations supervisors, and management are suitably trained

in nuclear criticality safety. This document was developed in response to demand for a definition of the

minimum nuclear criticality safety training requirements for operations staff, operations supervisors,

and management.

This training is distinct from that of the training necessary for nuclear criticality safety staff in that

it is tailored to suit the needs of maintaining nuclear criticality safety for operations. This document

sets out standards for achieving and maintaining an adequate level of understanding and knowledge in

order to operate nuclear facilities safely with respect to nuclear criticality safety.

This document covers high-level training for maintaining nuclear criticality safety. This includes

preparedness for and response to a potential criticality accident. ISO 11320 contains more specific

training provisions on emergency preparedness and response. This document supports integrating such

provisions, when relevant, within the training program for operations staff, operations supervisors,

and management.
© ISO 2021 – All rights reserved v
---------------------- Page: 7 ----------------------
oSIST prEN ISO 23133:2022
---------------------- Page: 8 ----------------------
oSIST prEN ISO 23133:2022
INTERNATIONAL STANDARD ISO 23133:2021(E)
Nuclear criticality safety — Nuclear criticality safety
training for operations
1 Scope

This document specifies minimum nuclear criticality safety training requirements for operations staff,

operations supervisors, and management.

This document is applicable to areas, processes or facilities containing quantities of fissile material for

which nuclear criticality safety assessment is required as defined in ISO 1709.

This document is not applicable to the transport of fissile materials outside the boundaries of nuclear

establishments.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions 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
operations staff

workers who, in the act of carrying out activities as part of a facility or process, have duties for

maintaining nuclear criticality safety

Note 1 to entry: These include staff and (sub)contractors performing activities in accordance with written

procedures as part of production, processing and handling of fissile material. They may also include workers

such as maintenance workers, and health physics monitors if they could have an effect on nuclear criticality

safety either through action or inaction as part of their duties. They do not include support staff, whose actions

would not be expected to affect fissile material processes.
3.2
operations supervisors

individuals who direct or supervise operations staff (3.1) in the production, processing or handling of

fissile material, and who accept responsibility for the safety of operations under his/her control

3.3
management

individuals with overall responsibility for the nuclear criticality safety of operations for a site, process

or facility
© ISO 2021 – All rights reserved 1
---------------------- Page: 9 ----------------------
oSIST prEN ISO 23133:2022
ISO 23133:2021(E)
3.4
nuclear criticality safety staff

individuals competent in the assessment of nuclear criticality safety requirements

Note 1 to entry: The staff might not be competent in nuclear criticality safety for all fissile material operations

carried out on a nuclear site but will be familiar with the fissile material operations for which they provide

nuclear criticality safety support.
3.5
trainee
individual being trained in nuclear criticality safety
3.6
criticality trainer
individual competent in delivering nuclear criticality safety training
3.7
training coordinator

individual who provides assistance and advice to facilitate nuclear criticality safety training

3.8
nuclear criticality safety program

arrangements and procedures implemented in order to ensure nuclear criticality safety for a site,

facility or process
3.9
operations nuclear criticality safety training program

program detailing the training requirements, method of delivery, and evaluation process for operations

staff (3.1), operations supervisors (3.2) and management (3.3)
4 Operations training
4.1 General

Subclauses 4.2 to 4.6 define the high-level requirements for nuclear criticality safety training for

operations. Detail of the roles in the training program and specific requirements for how some aspects

of the high-level requirements are to be met are presented in the proceeding clauses.

4.2 Operations nuclear criticality safety training program

The nuclear criticality safety program shall include an operations nuclear criticality safety training

program.
4.3 Objectives

An operations nuclear criticality safety training program shall address the following principal training

objectives:

a) Understanding of the nature of a criticality accident so that the severity of the hazard and the need

for maintaining safety are understood.

b) Understanding of the mechanisms and activities to control nuclear criticality safety.

c) Understanding that everyone involved in operations, directly or indirectly, can affect nuclear

criticality safety.

d) Understanding of nuclear criticality safety relating to operations in the specific workplace.

e) Understanding of the role of emergency preparedness and
...

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