Nuclear facilities - Instrumentation and control systems - Design, location and application criteria for installed area gamma radiation dose rate monitoring equipment for use during normal operation and anticipated operational occurrences

IEC 61031:2020 applies to the design, location and application of installed equipment for monitoring local gamma radiation dose rates within nuclear facilities during normal operation and anticipated operational occurrences. High range area gamma radiation dose rate monitoring equipment for accident conditions currently addressed by IEC 60951-1 and IEC 60951-3 is not within the scope of this document. This document does not apply to the measurement of neutron dose rate. Additional equipment for neutron monitoring may be required, depending on the plant design, if the neutron dose rate makes a substantial contribution to the total dose equivalent to personnel.
This document provides guidelines for the design principles, the location, the application, the calibration, the operation, and the testing of installed equipment for continuously monitoring local gamma radiation dose rates in nuclear facilities under normal operation conditions and anticipated operational occurrences. These instruments are normally referred to as area radiation monitors. Portable instruments are also used for this purpose but are not covered by this document.

Installations nucléaires - Systèmes d'instrumentation et de contrôle-commande - Critères de conception, d'implantation et d'application pour les matériels de surveillance du débit de dose de rayonnement gamma à poste fixe, utilisés pendant le fonctionnement normal et lors d'incidents de fonctionnement prévus

IEC 61031:2020 s'applique à la conception, l'implantation et l'application des matériels à poste fixe destinés à la surveillance locale des débits de dose de rayonnement gamma dans les installations nucléaires pour le fonctionnement normal et les incidents de fonctionnement prévus. Le matériel de surveillance du débit de dose de rayonnement gamma à large gamme pour les conditions accidentelles est actuellement couvert par l'IEC 60951-1 et l'IEC 60951-3; il n'entre pas dans le domaine d'application du présent document. Le présent document fournit des lignes directrices pour les principes de conception, l'implantation, l'application, l'étalonnage, le fonctionnement et les essais du matériel à poste fixe destiné à la surveillance permanente des débits de dose de rayonnement gamma local dans les installations nucléaires, dans des conditions de fonctionnement normal et d'incidents de fonctionnement prévus. Ces appareils sont généralement appelés moniteurs de rayonnement de zone. Des appareils portatifs sont également utilisés dans ce but, mais ne sont pas couverts par le présent document.
Le présent document est destiné à être utilisé conjointement avec l'IEC 60532:2010. Cette deuxième édition annule et remplace la première édition parue en 1990. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a. extension du domaine d'application de la norme des centrales nucléaires de puissance aux installations nucléaires et alignement du titre en conséquence;
b.prise en compte des normes pertinentes publiées par le SC 45A de l'IEC depuis la publication de la première édition et référence à ces normes, le cas échéant.

General Information

Status
Published
Publication Date
27-Jul-2020
Current Stage
PPUB - Publication issued
Start Date
31-Jul-2020
Completion Date
28-Jul-2020
Ref Project

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IEC 61031
®

Edition 2.0 2020-07
INTERNATIONAL
STANDARD



Nuclear facilities – Instrumentation and control systems – Design, location and
application criteria for installed area gamma radiation dose rate monitoring
equipment for use during normal operation and anticipated operational
occurrences

IEC 61031:2020-07(en)

---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
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IEC 61031

®


Edition 2.0 2020-07




INTERNATIONAL



STANDARD



















Nuclear facilities – Instrumentation and control systems – Design, location and

application criteria for installed area gamma radiation dose rate monitoring

equipment for use during normal operation and anticipated operational

occurrences
























INTERNATIONAL

ELECTROTECHNICAL


COMMISSION





ICS 13.280; 27.120.10 ISBN 978-2-8322-8586-2




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® Registered trademark of the International Electrotechnical Commission

---------------------- Page: 3 ----------------------
– 2 – IEC 61031:2020 © IEC 2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 10
4 Abbreviated terms . 11
5 Design principles . 11
5.1 Function and application criteria . 11
5.2 General requirements . 12
5.2.1 General characteristics and lifecycle . 12
5.2.2 Safety classification and appl
...

IEC 61031
®

Edition 2.0 2020-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE


Nuclear facilities – Instrumentation and control systems – Design, location and
application criteria for installed area gamma radiation dose rate monitoring
equipment for use during normal operation and anticipated operational
occurrences

Installations nucléaires – Systèmes d'instrumentation et de contrôle-commande –
Critères de conception, d'implantation et d'application pour les matériels de
surveillance du débit de dose de rayonnement gamma à poste fixe, utilisés
pendant le fonctionnement normal et lors d'incidents de fonctionnement prévus

IEC 61031:2020-07(en-fr)

---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2020 IEC, Geneva, Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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About the IEC
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International Standards for all electrical, electronic and related technologies.

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