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  F E A T U R E

Some Methodologies For Risk Assessment

October 30, 2000


  • Failure Mode and Effects Analysis: Examines each potential failure condition in a system to determine the severity of the impact to the system.

  • HAZOP (Hazard and Operability): Examines process and engineering intentions to assess the potential hazards that can arise from deviations from design specifications.

  • Historical Analysis: Examines frequency of past incidents to determine the probability of a condition recurring.

  • Human-Error Analysis: Examines the possible impact of human intervention and error on a system.

  • Probabilistic Risk Assessment: Examines the probability that a combination of events will lead to a particular condition.

  • Tree Analysis: A family of analysis methods, such as event tree, attack tree, management-oversight tree and fault tree, that focuses on processes or a sequence of events that may lead to a particular condition.


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