18 Layer of Protection Analysis (LOPA) – Case Studies and Application Experience

Monday, March 14, 2011: 1:30 PM
Columbus IJ (Hyatt Regency Chicago)
Description:
LOPA is now widely used to evaluate risk. In its original form and subsequent modifications, LOPA is applied beyond the petrochemical industries. Its conservative risk tolerance, ease of use, and semi-quantitative consequence ranking make it attractive to all levels of personnel. Challenges remain in integrating LOPA with PHA, and incorporating it into the renewal cycle. This session welcomes papers discussing case studies on evaluating risk with LOPA, on justifying SIS decisions, and on extending it into nontraditional industries. Papers with particular emphasis on future developments will be given priority.

Sponsor:
13th Process Plant Safety Symposium (PPSS)

Chair:
John W. Champion
Email: johnwchampion@dow.com

Co-Chair:
Douglas J. Ferguson
Email: dougf@primatech.com

- indicates paper has an Extended Abstract file available on CD.

File available
1:30 PM
(18a) A Conceptual Approach to the Evaluation of Layers of Protection for Inherently Safer System Design
J. Wayne Chastain and Robert Kline
File available
2:00 PM
(18b) High Demand, Low Demand, and Time at Risk (Important Considerations beyond Basic LOPA)
H. W. Thomas
File available
2:30 PM
(18c) Incorporating and Quantifying Human Activities and Actions In Layer of Protection Analysis
Philip M. Myers

3:00 PM
Coffee Break
File available
3:30 PM
(18d) The Interrelationship of Risk Criteria and Frequency Modifiers
Dr. Angela E. Summers
File available
4:00 PM
(18e) How Layer of Protection Analysis In Europe Is Affected by the Guidance Drawn up After the Buncefield Accident
Richard Gowland
File available
4:30 PM
(18f) Using LOPA for Sil Assignment: A Tale of Two Plants
Michael S. Schmidt and Dan Kilpatrick
See more of this Group/Topical: Topical 1: Global Congress on Process Safety
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