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When the COVID-19 pandemic began, many plant sites minimized on-site staff to essential personnel, and restrictions prevented in-person...

The process industry uses Layer Of Protection Analysis (LOPA) to document extremely small probabilities for catastrophic events....

Kahneman has written about fast and unconscious thinking (a.k.a. system 1), versus conscious and slow thinking (a.k.a. system 2). We use...

This paper discusses the identification, selection, implementation and management of Non-SIF IPLs through the process lifecycle.

Functional safety specialists may be stuck in the past and doing industry a disservice. The current industry trend is to only consider rando

The benefit of such studies is that it’s easier and less expensive to make necessary changes to systems while the design is still on paper.

Functional Safety & Bayesian Networks Functional safety engineers fol low the ISA/IEC 61511 standard & perform calculations based on...

What might go wrong with an FSA, and what might you do to ensure that an FSA runs smoothly?

Inspired by “Conducting an Effective Functional Safety Assessment” presented at 2019 ISA PIC 2019—Process Industry Conference. by Greg...

Industry uses many numbers in process safety associated with predicting the likelihood of rare, catastrophic events (e.g., failure rates, de