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IEC 60951-3-ed.3.0
Nuclear facilities - Instrumentation systems important to safety - Radiation monitoring for accident and post-accident conditions - Part 3: Equipment for continuous high range area gamma monitoring
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STANDARD published on 10.11.2022
The information about the standard:
Designation standards: IEC 60951-3-ed.3.0
Publication date standards: 10.11.2022
SKU: NS-1095115
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60951-3-ed.3.0 :
IEC 60951-3:2022 provides general guidance on the design principles and performance criteria for equipment for continuous high range area gamma monitoring in nuclear facilities for accident and post-accident conditions. This document categorizes accident conditions into design basis accidents (DBA) and design extension conditions (DEC), including severe accident (SA). The purpose of this document is to lay down general requirements for equipment for continuous high range area gamma monitoring of radiation within the facility during and after accident conditions in nuclear facilities. This document is applicable to installed dose rate meters that are used to monitor high levels of gamma radiation during and after an accident. This third edition cancels and replaces the second edition published in 2009.The main technical changes with regard to the previous edition are as follows: - Title modified. - To be consistent with the categorization of the accident condition. - To update the references to new standards published since the second edition. - To update the terms and definitions. This standard is to be read in conjunction with IEC 60951-1. LIEC 60951-3:2022 fournit des recommandations generales relatives aux principes de conception et aux criteres de performance de lensemble de surveillance locale en continu des rayonnements gamma a large gamme utilise dans les installations nucleaires en conditions accidentelles et post-accidentelles. Le present document classe les conditions accidentelles en accidents de dimensionnement (DBA) et en conditions additionnelles de dimensionnement (DEC), incluant les accidents graves (SA).Le present document a pour objet detablir les exigences generales relatives a lensemble de surveillance locale en continu des rayonnements gamma a large gamme dans les installations nucleaires en conditions accidentelles et post-accidentelles. Le present document sapplique aux moniteurs de debit de dose a poste fixe qui sont utilises pour surveiller les rayonnements gamma de niveau eleve pendant et apres un accident. Cette troisieme edition annule et remplace la deuxieme edition parue en 2009. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: - Le titre a ete modifie. - La categorisation des conditions accidentelles a ete harmonisee. - Les references aux nouvelles normes publiees depuis la deuxieme edition ont ete mises a jour. - Les termes et definitions ont ete mis a jour. La presente norme doit etre lue conjointement avec lIEC 60951-1.
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