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BS EN 60709:2010

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Nuclear power plants. Instrumentation and control systems important to safety. Separation
Available format(s)

Hardcopy , PDF

Superseded date

07-15-2019

Language(s)

English

Published date

08-31-2010

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General principles for separation within I&C systems
  important to safety
5 Design basis
6 Requirements for cabling separation
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Pertains to nuclear power plant instrumentation and control (I&C) systems, and their cables, that are important to safety, as defined in IAEA Safety Guide NS-G-1.3.

This standard is applicable to nuclear power plant instrumentation and control (I&C) systems, and their cables, that are important to safety, as defined in IAEA Safety Guide NS-G-1.3. It is also applicable to temporary installations which are part of those I&C systems important to safety (for example, auxiliary equipment for commissioning tests and experiments). Clause 6 is intended particularly for the cabling of the I&C systems important to safety. This standard applies to the I&C of new nuclear power plants as well as to I&C upgrading or back-fitting of existing plants. For existing plants, only a subset of the requirements is applicable; this subset is to be identified at the beginning of any project. Where independence is required by general safety standards such as IAEA safety guides or IEC 61513, one aspect of achieving this independence is physical separation between the systems and their equipment that perform functions important to safety. This standard defines the assessments needed and the technical requirements to be met for I&C systems important to safety and their cables, in order to achieve adequate physical separation between redundant sections of a system and between a system and another system. This separation is needed to prevent or minimise the impact on safety that could result from faults and failures which could be propagated or affect several sections of a system or several systems.

Committee
NCE/8
DevelopmentNote
Renumbers & supersedes BS IEC 60709. 2010 version incorporates corrigendum to BS IEC 60709. (08/2010)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 61196-1-303:2018 Identical
EN 60709:2010 Identical
IEC 60709:2004 Identical

IEC 61226:2009 Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
IEC TR 62096:2009 Nuclear power plants - Instrumentation and control important to safety - Guidance for the decision on modernization
IEC TS 61000-6-5:2001 Electromagnetic compatibility (EMC) - Part 6-5: Generic standards - Immunity for power station and substation environments
IEC 61513:2011 Nuclear power plants - Instrumentation and control important to safety - General requirements for systems
IEC 60964:2009 Nuclear power plants - Control rooms - Design

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