What Went Wrong?

Table of Contents

Copyright

Dedication

Acknowledgments

Preface

Units and Nomenclature

A. What Went Wrong?

Chapter 1. Preparation for Maintenance

1.1. Isolation

1.1.1. Failure to Isolate

1.1.2. Isolations Removed Too Soon

1.1.3. Inadequate Isolation

1.1.4. Isolation of Service Lines

1.1.5. Isolations Not Removed

1.1.6. Some Miscellaneous Incidents Involving Isolation for Maintenance

1.1.7. Electrical Isolation

1.2. Identification

1.2.1. The Need for Tagging

1.2.2. The Need for Clear, Unambiguous Labeling

1.2.3. The Need for Clear Instructions

1.2.4. Identification of Relief Valves

1.2.5. Make Sure You Find the Right Line

1.3. Removal of Hazards

1.3.1. Equipment Not Gas Freed

1.3.2. Conditions Can Change after Testing

1.3.3. Hazards Can ...