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BS IEC 62342:2007

Current

Current

The latest, up-to-date edition.

Nuclear power plants. Instrumentation and control systems important to safety. Management of ageing

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-09-2007

$520.16
Including GST where applicable

INTRODUCTION
1 Scope
  1.1 Management of physical ageing
  1.2 Management of technology ageing (obsolescence)
  1.3 Safety goal of this standard
2 Normative references
3 Terms and definitions
4 Background
5 Requirements for ageing management
  5.1 General
  5.2 Methodology
  5.3 Process
6 Understanding I&C ageing phenomena
  6.1 General
  6.2 Stresses causing ageing
  6.3 Ageing mechanisms and ageing effects
7 Requirements to address ageing effects
  7.1 Ageing effect identification
  7.2 Selection of I&C components for ageing evaluation
      7.2.1 General
      7.2.2 Identification of I&C functions, systems, and
            equipment
      7.2.3 Breakdown of I&C equipment and components
      7.2.4 Failure analysis
      7.2.5 Susceptibility to ageing
  7.3 Evaluating ageing degradation of I&C
  7.4 Ageing stresses
      7.4.1 General
      7.4.2 External stresses influencing ageing
      7.4.3 Internal stresses influencing ageing
      7.4.4 Stress history and insecure conditions
  7.5 Intended function versus qualification
      7.5.1 Equipment specification and qualification
      7.5.2 Impact on the qualification hypothesis
      7.5.3 Applicability of ageing models
  7.6 Surveillance tests and maintenance requirements
      7.6.1 Maintenance and surveillance test processes
      7.6.2 Ageing evidence from operating and maintenance
            research
      7.6.3 Sample tests
  7.7 Support resources
  7.8 Documentation requirements
8 Requirements for ageing control
  8.1 General
  8.2 Definition of ageing control programs
  8.3 Means for I&C ageing management
9 Organization
  9.1 General
  9.2 Organization for ageing management
  9.3 Identifying long-term operating strategies and I&C life
      cycle
  9.4 Organization for the long-term maintenance of I&C
      equipment
  9.5 Quality assurance
  9.6 Reporting
Annex A (informative) Guidance on characterizing I&C ageing
                      phenomena and acquiring data for ageing
                      management of I&C components in nuclear
                      power plants
Annex B (informative) Examples of ageing management practices
                      for selected I&C components in nuclear
                      power plants
Annex C (informative) Examples of testing and monitoring
                      techniques for I&C ageing management
Bibliography

Provides strategies, technical requirements, and recommendations for the management of ageing of nuclear power plant (NPP) instrumentation and control (I&C) systems and associated equipment.

Committee
NCE/8
DevelopmentNote
Supersedes 05/30079005 DC. (09/2007) Reviewed and confirmed by BSI, September 2013. (08/2013)
DocumentType
Standard
Pages
44
PublisherName
British Standards Institution
Status
Current
Supersedes

Provides strategies, technical requirements, and recommendations for the management of ageing of nuclear power plant instrumentation and control systems and associated equipment. Also includes annexes on test methods, procedures, and technologies that may be used to verify proper operation of such equipment and aim to prevent ageing degradation from having any adverse impact on the plant safety, efficiency, or reliability. Applies to all types of nuclear power plants and relates primarily to safety.

Standards Relationship
IEC 62342:2007 Identical

IEC 60050-394:2007 International Electrotechnical Vocabulary (IEV) - Part 394: Nuclear instrumentation - Instruments, systems, equipment and detectors
IEC 62385:2007 Nuclear power plants - Instrumentation and control important to safety - Methods for assessing the performance of safety system instrument channels
IEC TR 62096:2009 Nuclear power plants - Instrumentation and control important to safety - Guidance for the decision on modernization
IEC 60780:1998 Nuclear power plants - Electrical equipment of the safety system - Qualification
IEC 61513:2011 Nuclear power plants - Instrumentation and control important to safety - General requirements for systems
IEC 62397:2007 Nuclear power plants - Instrumentation and control important to safety - Resistance temperature detectors
IEC 60050-393:2003 International Electrotechnical Vocabulary (IEV) - Part 393: Nuclear instrumentation - Physical phenomena and basic concepts

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