This book provides designers and operators of chemical process facilities with a general philosophy and approach to safe automation, including independent layers of safety. An expanded edition, this book includes a revision of original concepts as well as chapters that address new topics such as use of wireless automation and Safety Instrumented Systems. This book also provides an extensive bibliography to related publications and topic-specific information.
List of Figures Xi
List of Tables Xvii
Abbreviations Xix
Glossary Xxiii
1 Process Safety and Safe Automation 1
1.1 Objective 7
1.2 Scope 9
1.3 Limitations 9
1.4 Target Audience 11
1.5 Incidents That Define Safe Automation 13
1.6 Overview of the Contents 18
1.7 Key Differences 21
2 The Role of Automation in Process Safety 23
2.1 Process Operations 23
2.2 Plant Automation 33
2.3 A Framework for Process Safety 42
2.4 Risk-Based Design 54
2.5 Risk Management of Existing Facility 78
3 Automation Specification 83
3.1 Process Automation Lifecycle 83
3.2 Functional Specification 91
3.3 Designing For Operating Objectives 92
3.4 Inherently Safer Practices 104
3.5 Designing for Core Attributes 107
3.6 Control and Safety System Integration 133
4 Design And Implementation Of Process Control Systems 153
4.1 Input and Output Field Signal Types 161
4.2 Basic Application Program Functions 162
4.3 Process Clóh