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What is System Safety?
The system safety discipline involves the application of special technical and
managerial skills to the systematic, forward-looking identification and
control of hazards throughout the life cycle of a project, program, or activity.
The primary objective of system safety is accident prevention. Proactively identifying,
assessing, and eliminating or controlling safety-related hazards, to acceptable levels,
can achieve accident prevention.
Key Definitions
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A hazard is a present condition, event, or circumstance
that could lead to or contribute to an unplanned or undesired event.
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The term risk is an expression of the future impact of
an undesired event in terms of event severity and event
likelihood.
Throughout the system safety process, the task is to identify hazards and then to
analyze, assess, and prioritize risk, with results documented for decision-making.
The continuous loop process provides for validation of decisions and evaluation for
desired results and/or the need for further action.
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