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The ISA/IEC 61511 Safety Life Cycle starts with a Process Hazard Analysis (PHA) and a Risk Assessment. What is a PHA? Why do we do it?...

OSHA contended that the boiler was interconnected to a covered process through the refinery fuel gas system and steam header. The 10th Circu

Greenville, SC – October 28, 2021 – aeSolutions, a consulting, engineering, and systems integration company, is excited to announce the...

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...