International ISO Standard ISO 4917-1 First edition Design of nuclear power plants 2024-02 against seismic events Part 1: Principles Conception parasismique des installations nucleéaires - Partie 1: Principes Reference number ISO 4917-1:2024(en) @ ISO 2024 IS0 4917-1:2024(en) COPYRIGHT PROTECTED DOCUMENT @IS02024 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 ofthe requester. ISO copyright office CP 40i: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland @IS02024-Allrightsreserved i