Cover image for Revalidating process hazard analyses
Title:
Revalidating process hazard analyses
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Publication Information:
New York, N.Y. : Center for Chemical Process Safety, American Institute of Chemical Engineers, c2001
Physical Description:
xvii, 116 p. : ill. ; 24 cm.
ISBN:
9780816908301
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30000010262138 TP150.S24 F73 2001 Open Access Book Book
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Summary

Summary

The foundation of any successful process safety program is a current set of process hazard analyses (PHAs) for each of its processes. Revalidating PHAs to keep them up to date and applicable is a must. This book is derived from the experience of many companies in the chemical and hydrocarbon processing industries, and presents demonstrated, concise, and common sense approaches for a resource-effective revalidation of PHAs. It includes flowcharts, checklists, and worksheets that provide invaluable assistance to the revalidation process.


Author Notes

Walter L. Frank is the author of Revalidating Process Hazard Analyses, published by Wiley.

David K. Whittle is the author of Revalidating Process Hazard Analyses, published by Wiley.


Table of Contents

Preface
Acknowledgments
Glossary
Acronyms and Abbreviations
Introduction
Why Was This Book Written?
Scope of This Book
The CCPS Workshop
How This Book Is Organized
Chapter 1 Refresher on the Basics
1.1 What a PHA IS Intended to Accomplish
1.2 Brief Review of the More Common PHA Methodologies
1.3 PHA Team Make-Up
Chapter 2 Revalidation-What IS It?
2.1 The Reason for Revalidation
2.2 Revalidation Objective
2.3 Revalidation Concept
2.4 Establishing the Revalidation Schedule
2.5 The Role of a Revalidation Procedure
Chapter 3 Preparing for the Revalidation Study
3.1 Preplan the Revalidation
3.1.1 Establishing the Scope of the Revalidation
3.1.2 Selection of Team Members
3.1.3 Scheduling-Estimating Time and Resources
3.2 Identify, Collect, and Prepare Needed Information
3.2.1 Determining Information Requirements
3.2.2 Distribution of Information
3.3 Review and Analyze Information
3.3.1 Prior PHA Report(s) and Related Documentation
3.3.2 Resolution Completion Report for Prior PHA Recommendations
3.3.3 MOC and PSSR Documentation
3.3.4 PSM System Audit Results
3.3.5 Incident and Near-Miss Reports
3.3.6 Piping and Instrument Diagrams (P&IDs)
3.3.7 Operating Procedures
Chapter 4 Evaluating the Prior PHA Study
4.1 Evaluation of the PHA with Respect to Essential Criteria
4.1.1 PHA Rigor
4.1.2 Methodology Used
4.1.3 Team Make-Up
4.1.4 Documentation
4.1.5 Drawing the Conclusions
4.2 Evaluation of PHA Quality and Completeness
4.3 Other Considerations
4.4 Common Problems with PHAs
Chapter 5 Identifying Changes That Have Occurred Since the Prior PHA
5.1 Logging the Identified Changes
5.2 Documented and Controlled Changes
5.2.1 MOC and PSSR Review
5.2.2 P&ID Comparison
5.2.3 Procedure Reviews
5.2.4 PHA and Incident Investigation Recommendations
5.3 Undocumented and Uncontrolled Changes
5.3.1 Interviews of Facility Personnel
5.3.2 Maintenance Records
5.3.3 Purchase Specifications and Records
5.3.4 Incident Investigation Reports
5.5.5 PSM Program Audits
Chapter 6 Identifying an Appropriate Revalidation Methodology
6.1 Revalidation Options
6.1.1 Update and Revalidate
6.1.2 Retrofit, Update, and Revalidate
6.1.3 Redo
6.2 Selecting the Revalidation Option
Chapter 7 Conducting the Revalidation Study Sessions
7.1 Team Training
7.2 Application of Revalidation methodology
7.3 Special Topics
7.3.1 Staying Productive
7.3.2 Facility (or Stationary Source) Siting
7.3.3 Human Factors
7.3.4 Wrap-Up Discussions
Chapter 8 Documenting the Revalidation Study
8.1 Documentation Approaches
8.2 Report and Its Content
8.3 Recommendation Follow-Up
8.4 Records Retention and Distribution
Appendix A Federal Regulatory Requirements
Appendix B Essential Criteria Checklist
Appendix C PHA Quality and Completeness Checklist
Appendix D Example Change Summary Worksheet
Appendix E Facility and Process Modification Checklist
Appendix F Facility and Stationary Source Siting Checklist
Appendix G Human Factors Checklist
Bibliography
Index