IIAR Guideline for Developing an Energy Control Plan for Manual Hand Valves in Ammonia Refrigeration Systems – 1st Edition is now available at this link.
Summary of LOTO Guideline chapters:
Overview of LOTO Devices (Chapter 2): Chapter 2 summarizes LOTO devices commonly used on manual hand valves and provides guidance on selecting and implementing LOTO devices.
Energy Control Program (Chapter 3): Chapter 3 describes a framework for incorporating manual hand valves into an energy control program. Valves are divided into three categories, each representing a different level of risk.
Common Scenarios Involving Manually Operated Hand Valves (Chapter 4): Chapter 4 summarizes common scenarios involving manual hand valves and provides guidance on how to apply LOTO to each scenario.
Qualification Requirements (Chapter 5): Personnel who operate manual hand valves in an ammonia refrigeration system must be qualified to do so. Chapter 5 provides guidance on qualification requirements.
Contractors (Chapter 6): Many facilities utilize contractors for operation and maintenance tasks. Chapter 6 offers guidance for
contractors who operate manual hand valves in an ammonia refrigeration system.
