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Inherently Safer - The Designs of the Future?

Originally delivered Jun 23, 2010
Source: AIChE
  • Type:
    Archived Webinar
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An inherently safer design is one that avoids hazards instead of controlling them, particularly by removing or reducing the amount of hazardous material or the number of hazardous operations. We should use inherently safer designs whenever they are reasonably practicable. When they are not reasonably practicable, passive safety equipment is better than active equipment. Inherently safer designs have not been adopted as rapidly as other process safety features and are often ignored in the recommendations made after accidents; the reasons are discussed in this session. Inherently safer designs are usually cheaper than conventional ones and are a lesser target for terrorists.

In this Webinar, we present an introduction to ISD, including the following topics:

• What is ISD?
• Examples of ISD
• The role of ISD in the overall management of process risks
• ISD conflicts and decision making
• ISD and US regulations – current and proposed
• How can I incorporate ISD into my process safety management program?


Dennis C. Hendershot

Dennis C. Hendershot is a chemical engineer with 40 years of experience in process research and development, plant design and startup, and process safety. From 1970 until his retirement in 2005 as a Senior Technical Fellow, he worked at Rohm and Haas Company. He then joined Chilworth Technology Inc. as a Principal Process Safety Specialist (retiring again in 2009), and the Center for Chemical Process Safety (CCPS) of the American Institute of Chemical Engineers as a Staff Consultant. With CCPS, he has worked with the Inherently Safer Design Subcommittee, the Risk Tolerance Criteria...Read more

Dr. Trevor Kletz

After graduating in chemistry at Liverpool University, UK in 1944, Trevor Kletz joined Imperial Chemical Industries (ICI) and spent eight years in research, sixteen in production management and the last fourteen as process safety adviser to the Petrochemicals Division.  In 1978 he was appointed an Industrial (part-time) Professor at Loughborough University, UK. On retiring from ICI in 1982, he joined the University full-time; in 1986 he became a visiting fellow and is now a visiting professor. He is also an adjunct professor at the Mary Kay O’Connor Process Safety Center at Texas A...Read more

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