- September 6, 2025Bowtie Analysis combines elements of fault tree and event tree approaches to map both causes and consequences of a hazard.…
- September 6, 2025Fault Tree Analysis (FTA) is a top-down, deductive method used to analyze the root causes of system failures. In functional…
- May 6, 2025TMEL sets the acceptable frequency for a hazardous event. It links company risk targets to SIL determination.
- May 6, 2025This method combines numbers and categories—like likelihood rankings and consequence levels—to estimate risk and prioritize hazards.
- May 5, 2025A Risk Matrix maps severity and likelihood of events on a grid to support SIL selection or risk decisions.
- May 5, 2025QRA assigns numerical values to risk. It models event frequencies and consequences to guide safety design.
- May 5, 2025PHA is the U.S. term for structured hazard reviews like HAZOP. In IEC terms, this falls under Hazard and Risk…
- May 5, 2025The PEAR Model evaluates risk across four impact categories—used in prioritizing hazards and assigning SILs.
- May 5, 2025A Major Accident causes serious harm to people, environment, or property and often triggers regulatory reporting.
- May 5, 2025An Initiating Event is the first failure or condition that could lead to a hazardous situation—such as valve failure or…