AOP-38 "Acts of Nature" Flashcards
1
Q
AOP-38 entry conditions
A
- Lake level > 585’
- High wind (Murray and Trettel Notification Form probability of 60% or more for wind gusts over 58 mph, PPC indicates >= 40 mph winds for >= 1 hour or 58 mph for any duration, or National Weather Service has issued a high wind warning forecasted w/in the next 72 hours for Van Buren, Berrien, or Allegan County)
- Extreme wind (Murray and Trettel Notification Form probability of 60% or more for wind gusts over 70 mph, or PPC indicates sustained winds >= 70 mph for >= 15 minutes
- Tornado (tornado sighting in the OCA, or National Weather Service Tornado Warning or Watch for Van Buren County
- Sustained heavy rain (rain in excess of storm drain capacity causing exterior flooding or creating high runoff flow that threatens to enter plant structures or equipment at a rate that could affect the operation of plant equipment
- Heavy snowfall or blizzard conditions (National Weather Service Notification for Van Buren County of winter storms with sustained or frequent winds of 35 mph or higher with considerable falling and/or blowing snow that frequently reduces visibility to 1/4 mile or less expected to prevail for a minimum of 3 hours, or Van Buren County Officials notification that attempts to keep major roadways clear have been suspended
- Earthquake (indication of an earthquake felt by people in the OCA
- Geo-Magnetic Storm Disturbance (notification of a predicted Geo-Magnetic Storm Disturbance with a K-index >= 7
2
Q
AOP-38 automatic actions
A
NONE
3
Q
AOP-38 reactor trip criteria
A
- Lake water starts to enter the turbine building/screenhouse
- Water level at Condensate Pump thrust bearing
- Water level >= 9” in the vicinity of buses 1A, 1B, and 1E
4
Q
AOP-38 equipment trip criteria
A
- Condensate Pump - water level at Condensate Pump thrust bearing
- Electrical buses 1A, 1B, and 1E - water level >= 9” in the vicinity of buses 1A, 1B, and 1E
5
Q
AOP-38 immediate actions
A
NONE
