October 2001

Special Report: Plant Safety and Reliability

Consider using a new reliability tool: Weibull analysis for production data

Using these techniques, companies can distinguish between processing problems and reliability issues

Barringer, H. P., Barringer & Associates, Inc.; Roberts, Jr., W. T., The Dow Chemical Company

In this case history, a major chemical company successfully uses the Weibull techniques to answer these questions: Is the problem a reliability problem or a production issue? What is the demonstrated capacity of the plant? What are efficiency/utilization losses costing the facility? What is the reliability of the process plant? By applying the Weibull technique, this company defines a strategic course of action based on quantification of process reliability. This tool when added to its reliability improvement arsenal will help any company optimize availability of its products to its customers and maximize profits to its stakeholders. Introduction to

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