Design of nuclear power plants against seismic events — Part 1: Principles

This document applies to nuclear power plants with water cooled reactors and, in particular, to the design of components and civil structures against seismic events in order to meet the safety objectives. For other nuclear facilities the applicability of the document is checked in advance, before it might be applied correspondingly. Seismic isolation is not adressed in the series of ISO 4917. The following safety objectives are defined in order to ensure the protection of people and the environment against radiation risks: a) controlling reactivity; b) cooling fuel assemblies; c) confining radioactive substances; d) limiting radiation exposure.

Conception parasismique des installations nucléaires — Partie 1: Principes

General Information

Status
Published
Publication Date
21-Feb-2024
Current Stage
6060 - International Standard published
Start Date
22-Feb-2024
Due Date
15-Feb-2024
Completion Date
22-Feb-2024
Ref Project

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Standards Content (Sample)

International
Standard
ISO 4917-1
First edition
Design of nuclear power plants
2024-02
against seismic events —
Part 1:
Principles
Conception parasismique des installations nucléaires —
Partie 1: Principes
Reference number
ISO 4917-1:2024(en) © ISO 2024

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ISO 4917-1:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
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

© ISO 2024 – All rights reserved
ii

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ISO 4917-1:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General seismic design concept . 6
5 Determining the design basis earthquake . 7
5.1 General requirements .7
5.2 Deterministic determination of the design basis earthquake .7
5.3 Probabilistic determination of the design basis earthquake .8
5.4 Specification of the design basis earthquake .8
5.5 Seismic-engineering parameters of the design basis earthquake .8
6 General design requirements .10
6.1 Design basis.10
6.1.1 Classification . .10
6.1.2 Verification of design basis earthquake safety .10
6.2 Combinations of seismic action with other actions .11
6.3 Verification procedures .11
6.3.1 General requirements .11
6.3.2 Modeling .
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 4917-1
ISO/TC 85/SC 6
Design of nuclear power plants against
Secretariat: DIN
seismic events —
Voting begins on:
2023-11-29
Part 1:
Voting terminates on:
Principles
2024-01-24
Conception parasismique des installations nucléaires —
Partie 1: Principes
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 4917-1:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/FDIS 4917-1:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 4917-1
ISO/TC 85/SC 6
Design of nuclear power plants against
Secretariat: DIN
seismic events —
Voting begins on:
Part 1:
Voting terminates on:
Principles
Conception parasismique des installations nucléaires —
Partie 1: Principes
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
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.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 4917-1:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 2 ----------------------
ISO/FDIS 4917-1:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General seismic design concept . 6
5 Determining the design basis earthquake . 7
5.1 General requirements . 7
5.2 Deterministic determination of the design basis earthquake . 7
5.3 Probabilistic determination of the design basis earthquake . 8
5.4 Specification of the design basis earthquake . 8
5.5 Seismic-engineering parameters of the design basis earthquake . 9
6 General design requirements .10
6.1 Design basis.
...

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Secretariat: DIN
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Design of nuclear power plants against seismic events —
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Principles
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COPYRIGHT PROTECTED DOCUMENT
Conception parasismique des installations nucléaires —
Partie 1: Principes
FDIS stage

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ISO/FDIS 4917-1:2023(E)
Formatted: Font: Bold, English (United Kingdom)
Formatted: Left, Tab stops: Not at 17 cm
Formatted: Left: 1.9 cm, Right: 1.9 cm, Gutter: 0 cm,
© ISO 2023
Header distance from edge: 1.27 cm
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
Formatted: Adjust space between Latin and Asian text,
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, Adjust space between Asian text and numbers
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
Formatted: zzCopyright address, Indent: First line: 0 cm,
Adjust space between Latin and Asian text, Adjust space
CP 401 • Ch. de Blandonnet 8 • CP 401
between Asian text and numbers
CH-1214 Vernier, Geneva, Switzerland
Tel.Phone: + 41 22 749 01 11
Formatted: French (Switzerland)
Fax + 41 22 749 09 47
E-mail: copyright@iso.org
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www.iso.org
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between Asian text and numbers
Website: www.iso.org
Published in Switzerland
Formatted: Left
© ISO 2023 – All rights reserved iii
© ISO 2023 – All rights reserved iii

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ISO/FDIS 4917-1:2023(E)
Formatted: Font: Bold, English (United Kingdom)
Formatted: Space After: 0 pt, Tab stops: Not at 17 cm
Formatted: Adjust space between Latin and Asian text,
Contents Page
Adjust space between Asian text and numbers, Tab stops:
Not at 0.71 cm + 17.2 cm
Foreword .vi
Introduction. vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General seismic design concept . 8
5 Determining the design basis earthquake . 8
5.1 General requirements . 8
5.2 Deterministic determination of the design basis earthquake . 9
5.3 Probabilistic det
...

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