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Opening Process Equipment (OPE) Hazards
Risk Recognition and Prevention
M. Darryl Yoes (Author)
9781394422241, Wiley
Hardback, published 15 May 2026
368 pages
22.9 x 15.2 x 2.3 cm, 0.626 kg
Essential guide to preventing fatal incidents during equipment opening through real-world case analysis Opening process equipment remains one of the most hazardous activities in refining and petrochemical operations, with failures causing loss of containment incidents, including severe injuries and fatalities, from trapped pressure, pyrophoric ignition, and energy isolation breakdowns. Opening Process Equipment (OPE) Hazards: Risk Recognition and Prevention delivers a narrative-driven approach to these risks, written by a veteran refinery safety manager with over 50 years of frontline experience in incident management, safety consulting, and leading Safe Operations Training courses worldwide. The book guides readers from foundational OPE concepts and regulatory requirements through advanced mitigation strategies. Real-world incident analyses grouped thematically reveal recurring failure patterns including wrong-flange errors, pyrophoric material hazards, and inadequate lockout-tagout procedures. Each chapter features quizzes, scenario-based discussion questions, technical illustrations, and flowcharts clarifying isolation procedures and zero-energy verification protocols. Readers will also find: Process operators, maintenance technicians, first-line supervisors, and safety engineers in refining, petrochemical, chemical, and oil and gas industries will find actionable guidance for preventing OPE incidents. Corporate training departments and technical college instructors will also gain ready-to-use materials for onboarding and continuing safety education.
Preface xiii 1 What Is "Opening Process Equipment"? 1 2 Equipment Preparation for Opening – Making It Safe 13 3 The Potential Hazards Associated with OPE 35 4 When Are We Most Vulnerable to These Hazards? 47 5 OPE and the Relevant US Occupational Safety and Health Administration Regulations 61 6 The Key Elements of Effective Gas Testing 69 7 Controlling or Mitigation of OPE Hazards to Prevent Loss of Containment 79 8 Lifesaving Rules and the Consequences of Violating Lifesaving Rules 103 9 The Hazards of Risk Perception and Risk Habituation 107 10 Preventing "Normalization of Deviation" 117 11 Opening Process Equipment: What Has Happened/What Can Happen and How Is It Prevented? A series of Case Studies, organized for thematic clarity (causal factors), and the date of occurrence: 129 Appendix A End-of-Book Quiz 277 Index 341
About the Author xix
Appendix B End-of-Book and End-of-Chapter Quizzes (with Answers) 281
Appendix C Key Elements for Removing Equipment from Service and Preparation for Opening: A Job Aid for Removing Equipment from Service 321
Appendix D The Importance of Effective Equipment Isolation: A Job Aid for Effective Equipment Isolation 331
Appendix E Field Checklist for Equipment Opening: A Job Aid for Safe Equipment Opening 335
Subject Areas: Industrial chemistry & manufacturing technologies [TD]
