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SA/SNZ HB 89:2013


Risk management — Guidelines on risk assessment techniques

This Handbook provides general guidance to assist in the selection and application of techniques that can be applied to various risk assessment activities. It provides an overview of the purpose, general nature and limitations of 30 techniques which can be used when assessing risk.
Published: 18/12/2013
Pages: 87
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Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Terms and definitions
2 Risk assessment concepts
2.1 Purpose
2.2 Risk assessment and risk management
2.2.1 General
2.2.2 Risk assessment and the risk management framework
2.2.3 Risk assessment and the risk management process
3 Risk assessment process
3.1 Overview
3.2 Preparation for risk assessment
3.2.1 General considerations
3.2.2 Communication and consultation
3.2.3 Revisiting the framework, and internal and external context
3.2.4 Defining scope and purpose of the assessment
3.3 Risk identification
3.4 Risk analysis
3.4.1 General
3.5 Qualitative and quantitative techniques
3.5.1 Qualitative analysis
3.5.2 Semi-quantitative analysis
3.5.3 Quantitative analysis
3.5.4 Assessment of controls
3.5.5 Consequence analysis
3.5.6 Likelihood analysis
3.5.7 Analysis of level of risk
3.5.8 Preliminary analysis
3.5.9 Uncertainties and sensitivities
3.5.10 Risk analysis verification
3.6 Risk evaluation
3.7 Recording and reporting
3.8 Monitoring and reviewing risk assessment
3.9 Application of risk assessment during life cycle phases
4 Selection of risk assessment techniques
4.1 General
4.2 Selection of techniques
Appendix A
Appendix B
B1 Bayesian analysis and Bayes nets
B1.1 Overview
B1.2 Use
B1.3 Input
B1.4 Process
B1.5 Outputs
B1.6 Strengths and limitations
B2 Bow tie analysis
B2.1 Overview
B2.2 Use
B2.3 Input
B2.4 Process
B2.5 Output
B2.6 Strengths and limitations
B3 Brainstorming
B3.1 Overview
B3.2 Use
B3.3 Inputs
B3.4 Process
B3.5 Outputs
B3.6 Strengths and limitations
B4 Business impact analysis (BIA)
B4.1 Overview
B4.2 Use
B4.3 Inputs
B4.4 Process
B4.5 Outputs
B4.6 Strengths and limitations
B5 Cause and effect analysis
B5.1 Overview
B5.2 Use
B5.3 Inputs
B5.4 Process
B5.5 Output
B5.6 Strengths and limitations
B6 Cause-consequence analysis
B6.1 Overview
B6.2 Use
B6.3 Inputs
B6.4 Process
B6.5 Output
B6.6 Strengths and limitations
B7 Checklists
B7.1 Overview
B7.2 Use
B7.3 Inputs
B7.4 Process
B7.5 Outputs
B7.6 Strengths and limitations
B8 Consequence/likelihood matrix
B8.1 Overview
B8.2 Use
B8.3 Input
B8.4 Process
B8.5 Output
B8.6 Strengths and limitations
B9 Cost-benefit analysis (CBA)
B9.1 Overview
B9.2 Use
B9.3 Inputs
B9.4 Process
B9.5 Output
B9.6 Strengths and limitations
B10 Decision tree analysis
B10.1 Overview
B10.2 Use
B10.3 Inputs
B10.4 Process
B10.5 Outputs
B10.6 Strengths and limitations
B10.7 Additional information
B11 Delphi technique
B11.1 Overview
B11.2 Use
B11.3 Inputs
B11.4 Process
B11.5 Outputs
B11.6 Strengths and limitations
B12 Event tree analysis (ETA)
B12.1 Overview
B12.2 Use
B12.3 Inputs
B12.4 Process
B12.5 Outputs
B12.6 Strengths and limitations
B12.7 Additional information
B13 Failure mode and effects analysis (FMEA) and failure mode, effects and criticality analysis (FMECA)
B13.1 Overview
B13.2 Use
B13.3 Inputs
B13.4 Process
B13.5 Outputs
B13.6 Strengths and limitations
B13.7 Additional information
B14 Fault tree analysis (FTA)
B14.1 Overview
B14.2 Use
B14.3 Inputs
B14.4 Process
B14.5 Outputs
B14.6 Strengths and limitations
B14.7 Additional information
B15 F-N curves
B15.1 Overview
B15.2 Use
B15.3 Inputs
B15.4 Process
B15.5 Output
B15.6 Strengths and limitations
B16 Hazard analysis and critical control points (HACCP)
B16.1 Overview
B16.2 Use
B16.3 Inputs
B16.4 Process
B16.5 Outputs
B16.6 Strengths and limitations
B16.7 Additional information
B17 Hazard and operability studies (HAZOP)
B17.1 Overview
B17.2 Use
B17.3 Inputs
B17.4 Process
B17.5 Outputs
B17.6 Strengths and limitations
B17.7 Additional information
B18 Human reliability analysis (HRA)
B18.1 Overview
B18.2 Use
B18.3 Input
B18.4 Process
B18.5 Outputs
B18.6 Strengths and limitations
B19 Layers of protection analysis (LOPA)
B19.1 Overview
B19.2 Uses
B19.3 Inputs
B19.4 Process
B19.5 Output
B19.6 Strengths and limitations
B19.7 Additional information
B20 Markov analysis
B20.1 Overview
B20.2 Use
B20.3 Inputs
B20.4 Process
B20.5 Output
B20.6 Strengths and limitations
B20.7 Additional information
B21 Monte Carlo simulation
B21.1 Overview
B21.2 Use
B21.3 Input
B21.4 Process
B21.5 Output
B21.6 Strengths and limitations
B21.7 Additional information
B22 Multi-criteria decision analysis (MCDA)
B22.1 Overview
B22.2 Use
B22.3 Inputs
B22.4 Process
B22.5 Outputs
B22.6 Strengths and limitations
B23 Preliminary hazard analysis (PHA)
B23.1 Overview
B23.2 Use
B23.3 Inputs
B23.4 Process
B23.5 Outputs
B23.6 Strengths and limitations
B24 Risk indices
B24.1 Overview
B24.2 Use
B24.3 Input
B24.4 Process
B24.5 Output
B24.6 Strengths and limitations
B25 Root cause analysis (RCA)
B25.1 Overview
B25.2 Use
B25.3 Inputs
B25.4 Process
B25.5 Outputs
B25.6 Strengths and limitations
B26 Scenario analysis
B26.1 Overview
B26.2 Use
B26.3 Inputs
B26.4 Process
B26.5 Outputs
B26.6 Strengths and limitations
B27 Sneak circuit analysis (SCA)
B27.1 Overview
B27.2 Use
B27.3 Input
B27.4 Process
B27.5 Output
B27.6 Strengths and limitations
B27.7 Additional information
B28 Structured or semi-structured interviews
B28.1 Overview
B28.2 Use
B28.3 Inputs
B28.4 Process
B28.5 Outputs
B28.6 Strengths and limitations
B28.7 Additional information
B29 Structured ‘what if’ techniques (SWIFT)
B29.1 Overview
B29.2 Use
B29.3 Inputs
B29.4 Process
B29.5 Outputs
B29.6 Strengths and limitations
B30 Toxicological and eco-toxicological risk assessment
B30.1 Overview
B30.2 Use
B30.3 Inputs
B30.4 Process
B30.5 Outputs
B30.6 Strengths and limitations
Cited references in this standard
Analysis techniques for dependability — Event tree analysis (ETA)
Functional Safety — Safety instrumented systems for the process industry sector, Part 3: Guidance for the determination of the required safety integrity levels
[Pending Revision]
Functional safety of electrical/electronic/programmable electronic safety-related systems, Supplement 1: Commented version (Supplement to AS 61508 series)
Analysis techniques for system reliability — Procedure for failure mode and effects analysis (FMEA)
Fault tree analysis (FTA)
Content history