Develop a list of critical functions at your site. Ensure each critical function has a unique name. Indicate a weighting factor that helps to establish each function’s relative criticality, or importance. For more information on critical functions see the TRN Resource: Critical Functions.
| Critical Function
A critical function is a specific procedure, task, or decision that is necessary to sustain the critical mission.
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Weighting Factor
Integer weight of the critical function’s importance to the site. Default is 1; higher values indicate that the critical function is more important. Apply the same weight for critical functions of similar importance.
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Tier
Criticality tier of the function. Automatically set by weighting factors. Most important function is in Tier 1.
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