Risk Analysis
What-if Analysis
Hazard and Operability (HAZOP) Studies
Failure Mode and Effects Analysis (FMEA)
Preliminary Hazard Analysis (PHA)
Oil & Gas Installations especially refineries
tank farms
cross country pipelines
bottling plants
Event Symbols
Basic event
External event
Undeveloped event
OR gate
AND gate
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Fault tree analysis
Define the undesired event to study
Obtain an understanding of the system
Construct the fault tree
Evaluate the fault tree
Control the hazards identified
Event tree analysis
Define the system
Identify the accident scenarios
Identify the initiating events
Identify intermediate events
Build the event tree diagram
Obtain event failure probabilities
Identify the outcome risk
Evaluate the outcome risk
Recommend corrective action
Document the ETA