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Stopping the Swirl: Facilitation Tools that Improve PHA Results and Efficiency

by Jacob Lindler


Effective Process Hazard Analysis (PHA) facilitators combine soft skills with technical knowledge to guide
PHA teams through a thorough identification and analysis of process hazards. PHAs for complex
processing units place a significant demand on the time of valuable engineering, design, and operations
personnel, so conducting an efficient PHA is key to minimizing team fatigue and maximizing available
resources. Inevitably, there are hazard scenarios at which the team’s discussion begins to swirl, circling
around multiple consequence definitions or risk rankings without coming to agreement. Facilitators
should consider the following examples of tools successfully used to stop the swirl by providing the PHA
team with the right information at the right time.

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