Guidelines for Revalidating a Process Hazard Analysis [Hardcover]

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.

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 lƒ<