Ccps (Center For Chemical Process Safety)

Guidelines for Revalidating a Process Hazard Analysis (eBook, ePUB)

• Format: ePub

Produktbeschreibung

GUIDELINES FOR REVALIDATING A PROCESS HAZARD ANALYSIS 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 process hazard analyses (PHAs). It includes flowcharts, checklists, and worksheets that provide invaluable assistance to the revalidation process. The new edition, now as a guideline, provides a compete and thorough update of the first book and will provide much needed and requested guidance on PHA Revalidations including evaluating Prior PHA Studies, Identifying an Appropriate Revalidation Methodology, Preparing and Conducting the Revalidation Study Sessions, and Documenting the Revalidation Study.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 240
• Erscheinungstermin: 21. Oktober 2022
• Englisch
• ISBN-13: 9781119643715
• Artikelnr.: 66253515

Autorenporträt

The Center for Chemical Process Safety (CCPS) has been the global leader in developing and disseminating information on process safety management and technology since 1985. It has published over 100 books in its process safety guidelines and process safety concepts series and created over 30 training modules through its Safety in Chemical Engineering Education series.

Inhaltsangabe

List of Tables ix

List of Figures ix

Acronyms and Abbreviations x

Glossary and Nomenclature xii

Acknowledgments xiv

Preface xvi

Dedication xvii

Introduction xix

Objective of this Book xix

Scope of this Book xix

How to Use This Guidelines Book xx

1 OVERVIEW OF THE PHA REVALIDATION PROCESS 1

1.1 What is a PHA and What is a PHA Intended to Accomplish? 2

1.2 Overview of Typical PHA Activities 4

1.2.1 PHA Core Methodology 4

1.2.2 PHA Complementary Analyses 6

1.3 General Risk Assessment Principles 8

1.3.1 Risk and Risk Tolerance 8

1.3.2 Supplemental Risk Assessments 9

1.4 PHA Revalidation Objectives 11

1.5 PHA Revalidation Concept 14

1.6 PHA Revalidation Cycle 16

1.7 The Role of a PHA Revalidation Procedure 19

1.8 Relationship of RBPS Pillars to a PHA Revalidation 21

2 PHA REVALIDATION REQUIREMENTS 23

2.1 External Legal/Regulatory Requirements 23

2.1.1 General Obligations 25

2.1.2 Specific RAGAGEPs 26

2.2 Internal Company Policy Requirements 28

2.2.1 Compliance-Driven Policies 29

vi Guidelines for Revalidating a Process Hazard Analysis

2.2.2 EHS-Driven Policies 29

2.2.3 Value-Driven Policies 30

2.3 Internal Company Drivers That Impact Revalidation 31

2.4 Principles for Successful Definition of Revalidation Requirements 33

3 EVALUATING THE PRIOR PHA 35

3.1 Prior PHA Essential Criteria 38

3.1.1 Prior PHA Methodology Used 38

3.1.2 Prior PHA Inputs 40

3.1.3 Prior PHA Scope 43

3.1.4 Drawing Essential Criteria Conclusions 46

3.2 Prior PHA Quality and Completeness 48

3.2.1 Application of Analysis Method(s) 49

3.2.2 Level of Detail and Accuracy of the Core Analysis 50

3.2.3 Logic Errors and Inconsistencies in the Analysis 56

3.2.4 Failure to Document Hazards 58

3.2.5 Improper Application of Risk Tolerance 59

3.2.6 Drawing Quality and Completeness Conclusions 60

3.3 Prior PHA Topics for Additional Evaluation 61

3.3.1 Status of Prior PHA Recommendations 61

3.3.2 Complementary Analyses and Supplemental Risk

Assessments 62

3.3.3 Opportunity to Learn and Capture Information 62

3.3.4 Continuous Improvement 63

3.3.5 PHA Documentation Software Changes 63

3.3.6 Time Since the Previous Redo 63

3.4 Principles for Successful Prior PHA Evaluation 64

4 EVALUATING OPERATING EXPERIENCE SINCE THE PRIOR PHA 67

4.1 Operating Experience Influence on Revalidation 68

4.2 Types of Operating Experience That Should Be Considered 68

4.2.1 MOC and PSSR Records 69

4.2.2 Incident Reports 75

4.2.3 Routine Maintenance Records 77

4.2.4 Audit Results 78

4.2.5 Organizational Changes Not Addressed by MOCs 79

Contents vii

4.2.6 Metrics and Overall Performance 82

4.3 How Operating Experience Affects the Revalidation 83

4.4 Principles for Successful Operating Experience Evaluation 85

5 SELECTING AN APPROPRIATE PHA REVALIDATION APPROACH 89

5.1 Revalidation Approaches 90

5.1.1 Update 90

5.1.2 Redo 92

5.1.3 Combining Update and Redo in a Revalidation 94

5.2 Selecting the Revalidation Options 97

5.2.1 Have the Requirements Changed Significantly? 98

5.2.2 Is the Prior PHA Deficient or Unacceptable? 100