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Erschienen in:
2021 | OriginalPaper | Buchkapitel
4. Risk Assessment Techniques
verfasst von : Konstantinos Tzanakakis
Erschienen in: Managing Risks in the Railway System
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Abstract
Various tools and methods are used for the assessment of risk. As presented in Chapter 3 (The Process of Risk Management), Risk Assessment includes Risk identification,
Risk Analysis and Risk Evaluation. Following Risk Assessment techniques for risk identification, risk analysis (consequence analysis; qualitative, semi-quantitative or quantitative probability estimation; assessing the effectiveness of any existing controls; estimation the level of risk) and risk evaluation as per ISO/IEC 31010:2009 are presented with an indication of their applicability for the various processes: 4This chapter also discusses the Risk Management Plan, a document that describes at a high level how an Organization manages its risks and how the entire process is embedded in the activities of the Organization. Reading this Chapter you will get to know Risk Assessment techniques and their applicability (for risk identification, risk analysis and risk evaluation). You will also understand the objectives of a Risk Management Plan
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Brainstorming
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Structured or semi-structured interviews
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Delphi simulation technique
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Checklist analysis
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Preliminary hazard analysis
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Hazard and operability studies (HAZOP)
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Root cause analysis
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Failure mode effect analysis (FMEA and FMECA)
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Fault tree analysis (FTA)
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Event tree analysis
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Decision tree
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Bow tie analysis
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Monte Carlo simulation
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Cost/benefit analysis