What is a medium risk work activity?
Cause / Would Cause:
Power reduction < 20%
Unplanned LCO entry
Emergent single point failure configuration
Reactivity management work level of R1, R2, or R3 when no compensatory/contigency actions are covered by procedure
Atypical plant configuration
ESF actuation
Loss of switchyard North or South Bus
What events present an operational challenge?
Unplanned power change
Unplanned LCO entry
Unplanned duration that exceeds 75% of LCO action statement
Unplanned increase in CDF or BOP trip risk
Failure to identify medium/high risk activity
Several others but these are the important ones
What is a high risk work activity?
Cause / Would Cause:
Unit loses all power generation capability
Reduce power ≥ 20%
Entry into LCO that requires S/D in ≤ 24 hrs
Whose permission is required to start emergent work without an approved work package?
Shift Manager
Emergency Director