Definition:
A Hazard is a potential source of harm, which can result in human injury, environmental damage, or equipment loss.
Key Points:
- Hazard identification is the first step in functional safety lifecycle.
- Basis for defining Safety Instrumented Functions (SIFs).
Example:
Overpressure of a chemical reactor is a hazard requiring mitigation.
See Also: H&RA, PEAR model
Cited Source:
- IEC 61511-1:2016, Clause 3.2.28