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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS EN 62502 - ANALYSIS TECHNIQUES FOR DEPENDABILITY - EVENT TREE ANALYSIS
Hardcopy , PDF
30-06-2011
English
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1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and acronyms
5 General description
6 Benefits and limitations of Event Tree Analysis
6.1 Benefits
6.2 Limitations
7 Relationship with other analysis techniques
7.1 Combination of Event Tree Analysis and Fault
Tree Analysis
7.2 Layer of Protection Analysis (LOPA)
7.3 Combination with other techniques
8 Development of event trees
8.1 General
8.2 Steps in Event Tree Analysis
8.2.1 Procedure
8.2.2 Step 1: Definition of the system or
activity of interest
8.2.3 Step 2: Identification of the initiating
events of interest
8.2.4 Step 3: Identification of mitigating factors
and physical phenomena
8.2.5 Step 4: Definition of outcomes and quantification
8.2.6 Step 5: Analysis of the outcomes
8.2.7 Step 6: Uses of Event Tree Analysis Results
9 Evaluation
9.1 Preliminary remarks
9.2 Qualitative analysis - Managing dependencies
9.2.1 General
9.2.2 Functional dependencies
9.2.3 Structural or physical dependencies
9.3 Quantitative analysis
9.3.1 Independent sequence of events
9.3.2 Fault tree linking and Boolean reduction
10 Documentation
Annex A (Informative) - Graphical representation
Annex B (Informative) - Examples
B.1 Fire incident in a nuclear power plant
B.1.1 Introduction
B.1.2 Screening analysis
B.1.3 Quantitative analysis
B.1.4 Results
B.2 Event Tree Analysis for a level-crossing system
B.2.1 Symbols and acronyms
B.2.2 Objective
B.2.3 System definition
B.2.4 Hazard identification
B.2.5 Event Tree Analysis
B.2.6 Quantitative analysis
B.2.7 Analysis of the outcomes and definition of
necessary action
B.2.8 Conclusion
B.3 Fault tree linking and Boolean reduction
Bibliography
BS EN 62502
| Committee |
DS/1
|
| DocumentType |
Draft
|
| Pages |
46
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| IEC 61025:2006 | Fault tree analysis (FTA) |
| IEC 62425:2007 | Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling |
| IEC 62551:2012 | Analysis techniques for dependability - Petri net techniques |
| IEC 60812:2006 | Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA) |
| IEC 62429:2007 | Reliability growth - Stress testing for early failures in unique complex systems |
| IEC 61078:2016 | Reliability block diagrams |
| IEC 61165:2006 | Application of Markov techniques |
| IEC 61511-3:2016 | Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels |
| IEC 60300-3-1:2003 | Dependability management - Part 3-1: Application guide - Analysis techniques for dependability - Guide on methodology |
| IEC 61703:2016 | Mathematical expressions for reliability, availability, maintainability and maintenance support terms |
| IEC 60300-3-9:1995 | Dependability management - Part 3: Application guide - Section 9: Risk analysis of technological systems |
| IEC PAS 62508:2007 | Guidance on human factors engineering for system life cycle applications |
| ISO 3534-1:2006 | Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability |
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