4.1 Identify Hazards and Potential Effects 17 1 Introduction 1 4.2 Evaluate Risks 20 1.1 Elements of the HSE Management 4.2.1 Scenario development (causes) 20 System 1 4.2.2 Probability 20 1.2 Tools for the Hazards and Effects Management Process 2 4.2.3 Consequence analysis 20 1.2.1 Selection of tools 2 4.2.4 Determination of risk 22 1.2.2 Application and competence 2 4.2.5 Quantitative Risk Assessment (QRA) 23 2 Hazards and Effects 4.2.6 Screening criteria: Terminology 3 limits/standards 26 2.1 Hazards, Effects and Incidents 3 4.3 Record Hazards and Effects 26 2.2 Threats and Barriers 4 4.3.1 Records 26 2.3 Consequences, Mitigation and 4.3.2 Hazards and effects register 26 Recovery Preparedness Measures 4 4.3.3 Manual of Permitted Operations (MOPO) 27 2.4 Risk 8 4.4 Compare with Objectives and 2.5 Fault and Event Trees 9 Performance Criteria 27 2.6 Likelihood and Consequence (or 4.5 Establish Risk Reduction Effect) 9 Measures 27 3 Hazards and Effects 4.5.1 General 27 Management Process (HEMP) 11 4.5.2 Control of release of hazards 3.1 The Steps in the Process 11 and effects 28 4.5.3 Recovery preparedness 3.2 Implementation of HEMP 12 measures 28 3.2.1 Assets: planning and review 12 Appendix I Activities: Planning 3.2.2 Activities: planning and and Review HEMP Tools and review 13 Techniques 31 3.3 Approaches to the Hazards and Effects Management Process 14 Appendix II Assets: Planning 3.3.1 Experience/judgement 14 and Review HEMP Tools and Techniques 33 3.3.2 Checklists 14 3.3.3 Codes and standards 15 3.3.4 Structured review Appendix III Hazards and Effects techniques 15 Hierarchy 36 Appendix IV Structured Review Techniques Summary Description Sheets 55 4 Structured Review Techniques 17
1 Introduction 1 1.1 Elements of the HSE Management System 1 1.2 Tools for the Hazards and Effects Management Process 2 1.2.1 Selection of tools 2 1.2.2 Application and competence 2 2 Hazards and Effects Terminology 3 2.1 Hazards, Effects and Incidents 3 2.2 Threats and Barriers 4 2.3 Consequences, Mitigation and Recovery Preparedness Measures 4 2.4 Risk 8 2.5 Fault and Event Trees 9 2.6 Likelihood and Consequence (or Effect) 9 3 Hazards and Effects Management Process (HEMP) 11 3.1 The Steps in the Process 11 3.2 Implementation of HEMP 12 3.2.1 Assets: planning and review 12 3.2.2 Activities: planning and review 13 3.3 Approaches to the Hazards and Effects Management Process 14 3.3.1 Experience/judgement 14 3.3.2 Checklists 14 3.3.3 Codes and standards 15 3.3.4 Structured review techniques 15 4 Structured Review Techniques 17 4.1 Identify Hazards and Potential Effects 17 4.2 Evaluate Risks 20 4.2.1 Scenario development (causes) 20 4.2.2 Probability 20 4.2.3 Consequence analysis 20 4.2.4 Determination of risk 22 4.2.5 Quantitative Risk Assessment (QRA) 23 4.2.6 Screening criteria: limits/standards 26 4.3 Record Hazards and Effects 26 4.3.1 Records 26 4.3.2 Hazards and effects register 26 4.3.3 Manual of Permitted Operations (MOPO) 27 4.4 Compare with Objectives and Performance Criteria 27 4.5 Establish Risk Reduction Measures 27 4.5.1 General 27 4.5.2 Control of release of hazards and effects 28 4.5.3 Recovery preparedness measures 28 Appendix I Activities: Planning and Review HEMP Tools and Techniques 31 Appendix II Assets: Planning and Review HEMP Tools and Techniques 33 Appendix III Hazards and Effects Hierarchy 36 Appendix IV Structured Review Techniques Summary Description Sheets 55
EP-95-0300_(HEMP)[1].docx