IEC_61513.pdf

BRITISH STANDARDBS IEC 61513:2001Nuclear power plants Instrumentation and control for systems important to safety General requirements for systemsICS 27.120.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWLicensed Copy:Science&Technology Facilities Council,25/08/2010 10:10,Uncontrolled Copy,(c)BSIBS IEC 61513:2001This British Standard,having been prepared under the direction of the Engineering Sector Committee,was published under the authority of the Standards Committee and comes into effect on 15 August 2001 BSI 07-2001ISBN 0 580 38154 4National forewordThis British Standard reproduces verbatim IEC 61513:2001 and implements it as the UK national standard.This standard has adopted a presentation format similar to the basic safety publication BS IEC 61508 with an overall safety life-cycle and a system life-cycle.It provides an interpretation of the general requirements of BS IEC 61508 for application to the nuclear power sector,particularly Instrumentation and Control Systems important to safety.This Standard does not contain requirements for software applications in the nuclear power sector;these are provided in BS IEC 60880.It should be noted that the nuclear industry manages the risk assessment and related matters of BS IEC 61508,Part 1 by following IAEA Safety Guides,which place greater emphasis on risk reduction through reducing the probability of hazards and their consequences.The UK participation in its preparation was entrusted to Technical Committee NCE/8,Reactor instrumentation,which has the responsibility to:A list of organizations represented on this committee can be obtained on request to its secretary.From 1 January 1997,all IEC publications have the number 60000 added to the old number.For instance,IEC 27-1 has been renumbered as IEC 60027-1.For a period of time during the change over from one numbering system to the other,publications may contain identifiers from both systems.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled“International Standards Correspondence Index”,or by using the“Find”facility of the BSI Standards Electronic Catalogue.A British Standard does not purport to include all the necessary provisions of a contract.Users of British Standards are responsible for their correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.aid enquirers to understand the text;present to the responsible international/European committee any enquiries on the interpretation,or proposals for change,and keep the UK interests informed;monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover,an inside front cover,the IEC title page,pages 2 to 95 and a back cover.The BSI copyright date displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd.No.DateCommentsLicensed Copy:Science&Technology Facilities Council,25/08/2010 10:10,Uncontrolled Copy,(c)BSINORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD61513Premire ditionFirst edition2001-03Centrales nuclaires Instrumentation et contrle commande dessystmes importants pour la sret Prescriptions gnrales pour les systmesNuclear power plants Instrumentation and control forsystems important to safety General requirements for systemsNumro de rfrenceReference numberCEI/IEC 61513:2001BS IEC 61513:2001100270 ISB 1Licensed Copy:Science&Technology Facilities Council,25/08/2010 10:10,Uncontrolled Copy,(c)BSI61513?IEC:2001 2 CONTENTSFOREWORD.4INTRODUCTION.51Scope.61.1General.61.2Application:new and pre-existing plants.61.3Framework.62Normative references.93Definitions.114Symbols and abbreviations.225Overall safety life cycle of the I&C.225.1Deriving the I&C requirements from the plant safety design base.265.2Output documentation.285.3Design of the total I&C architecture and assignment of the I&C functions.295.4Overall planning.355.5Output documentation.406System safety life cycle.406.1Requirements.446.2System planning.566.3Output documentation.616.4System qualification.666.5Summary of main specific requirements for different classes and categories.717Overall integration and commissioning.727.1Requirements on the objectives to be achieved.727.2Output documentation.728Overall operation and maintenance.728.1Requirements on the objectives to be achieved.738.2Output documentation.73Annex A(informative)Basic safety issues in the NPP.74Annex B(informative)Categorisation of functions and classification of systems.78Annex C(informative)Qualitative defence approach against CCF.83Annex D(informative)Relations of IEC 61508 with IEC 61513 and standards of thenuclear application sector.87Bibliography.95BS IEC 61513:2001 BSI 0720012Licensed Copy:Science&Technology Facilities Council,25/08/2010 10:10,Uncontrolled Copy,(c)BSI61513?IEC:2001 3