Guidelines for Process Hazard Analysis (PHA) Revalidations

Cover
Title Page
Copyright
Table of Contents
List of Tables
List of Figures
Acronyms and Abbreviations
Glossary and Nomenclature
Acknowledgments
Preface
Dedication
Introduction
Objective of this Book
Scope of this Book
How to Use This Guidelines Book
1 OVERVIEW OF THE PHA REVALIDATION PROCESS
1.1 What is a PHA and What is a PHA Intended to Accomplish?
1.2 Overview of Typical PHA Activities
1.2.1 PHA Core Methodology
1.2.2 PHA Complementary Analyses
1.3 General Risk Assessment Principles
1.3.1 Risk and Risk Toler
1.3.2 Supplemental Risk Assessments
1.4 PHA Revalidation Objectives
1.5 PHA Revalidation Concept
1.6 PHA Revalidation Cycle
1.7 The Role of a PHA Revalidation Procedure
1.8 Relationship of RBPS Pillars to a PHA Revalidation
2 PHA REVALIDATION REQUIREMENTS
2.1 External Legal/Regulatory Requirements
2.1.1 General Obligations
2.1.2 Specific RAGAGEPs
2.2 Internal Company Policy Requirements
2.2.1 Compliance-Driven Policies
2.2.2 EHS-Driven Policies
2.2.3 Value-Driven Policies
2.3 Internal Company Drivers That Impact Revalidation
2.4 Principles for Successful Definition of Revalidation Requirements
3 EVALUATING THE PRIOR PHA
3.1 Prior PHA Essential Criteria
3.1.1 Prior PHA Methodology Used
3.1.2 Prior PHA Inputs
3.1.3 Prior PHA Scope
3.1.4 Drawing Essential Criteria Conclusions
3.2 Prior PHA Quality and Completeness
3.2.1 Application of Analysis Method(s)
3.2.2 Level of Detail and Accuracy of the Core Analysis
3.2.3 Logic Errors and Inconsistencies in the Analysis
3.2.4 Failure to Document Hazards
3.2.5 Improper Application of Risk Tolerance
3.2.6 Drawing Quality and Completeness Conclusions
3.3 Prior PHA Topics for Additional Evaluation
3.3.1 Status of Prior PHA Recommendations
3.3.2 Complementary Analyses and Supplemental Risk Assessments
3.3.3 Opportunity to Learn and Capture Information
3.3.4 Continuous Improvement
3.3.5 PHA Documentation Software Changes
3.3.6 Time Since the Previous Redo
3.4 Principles for Successful Prior PHA Evaluation
4 EVALUATING OPERATING EXPERIENCE SINCE THE PRIOR PHA
4.1 Operating Experience Influence on Revalidation
4.2 Types of Operating Experience That Should Be Considered
4.2.1 MOC and PSSR Records
4.2.2 Incident Reports
4.2.3 Routine Maintenance Records
4.2.4 Audit Results
4.2.5 Organizational Changes Not Addressed by MOCs
4.2.6 Metrics and Overall Performance
4.3 How Operating Experience Affects the Revalidation
4.4 Principles for Successful Operating Experience Evaluation
5 SELECTING AN APPROPRIATE PHA REVALIDATION APPROACH
5.1 Revalidation Approaches
5.1.1 Update
5.1.2 Redo
5.1.3 Combining Update and Redo in a Revalidation
5.2 Selecting the Revalidation Options
5.2.1 Have the Requirements Changed Significantly?
5.2.2 Is the Prior PHA Deficient or Unacceptable?
5.2.3 Are There Too Many Changes or Significant Revelations in Operating Experience?
5.3 Principles for Successful Revalidation Approach Selection
6 PREPARING FOR PHA REVALIDATION MEETINGS
6.1 Planning the Revalidation Meetings
6.1.1 Establishing the Revalidation Scope
6.1.2 Selecting Team Members
6.1.3 Estimating Schedule, Time, and Resources
6.2 Identifying and Collecting Information
6.2.1 Determining Information Requirements
6.2.2 Distributing Information
6.3 Reviewing and Preparing Information
6.3.1 Prior PHA Reports and Related Documentation
6.3.2 Prior PHA Recommendation Resolution Status
6.3.3 MOC and PSSR Records
6.3.4 Audit Results
6.3.5 Incident Reports
6.3.6 Current Piping and Instrument Diagrams
6.3.7 Current Operating Procedures
6.3.8 Special Considerations for Complementary Analyses and Supplemental Risk Assessments
6.4 Principles for Successful Revalidation Preparation
7 CONDUCTING PHA REVALIDATION MEETINGS
7.1 Applying Analysis Methodologies
7.1.1 Revalidation of the Core Analysis
7.1.2 Revalidation of Complementary Analyses
7.1.3 Revalidation of Supplemental Risk Assessments
7.2 Facilitating Effective Revalidation Meetings
7.2.1 Team Composition
7.2.2 Meeting Kickoff
7.2.3 Meeting Productivity
7.3 Revalidation Meeting Conclusion
7.4 Principles for Successful Revalidation Meetings
8 DOCUMENTING AND FOLLOWING UP ON A PHA REVALIDATION
8.1 Documentation Approaches
8.2 Report and Its Contents
8.3 Recommendations and Follow-Up
8.4 Records Retention and Distribution
8.5 Principles for Successful Documentation and Follow-Up
REFERENCES
APPENDICES
APPENDIX A Essential Criteria Checklist
APPENDIX B PHA Quality and Completeness Checklist
APPENDIX C Example Change Summary Worksheet
APPENDIX D Checklist of Process, Facility, and Human Factors Changes
APPENDIX E Example Facility Siting Checklists
APPENDIX F Example Human Factors Checklists
APPENDIX G Example External Events Checklist
INDEX
EULA