Semantic search
| Entered date | Event description | |
|---|---|---|
| ENS 41983 | 12 September 2005 23:27:00 | On September 12, 2005, at 2300 hours, a hurricane warning was issued, which resulted in the declaration of an unusual event for both units. Unit 1 and 2 are currently operating at 100 percent of rated thermal power. The plant area is not currently experiencing any hurricane force winds. The wind speed at the site is approximately 24 miles per hour. State and county emergency response organizations have been notified. The resident inspector has been notified. There is no significant impact to the safety of the plant at this time. The plant is currently in Abnormal Operating Procedure 0AOP-13.0, 'Operation During Hurricane, Flood Conditions, Tornado, or Earthquake,' and Plant Emergency Procedure 0PEP-02.6, 'Severe Weather,' in preparation for hurricane conditions. On-site facilities are not being activated at this time. No off-site assistance is requested. Request suspension of additional follow up notification unless plant conditions change. All Emergency Core Cooling Systems and the Emergency Diesel Generators are fully operable if needed. The electrical grid is stable.
Commenced reduction in power on Unit 2 in anticipation of exceeding 74 mph winds. Prediction revised to maximum of 64 mph onsite. Power reduction stopped. Plant stabilized. Power will be restored. Notified RCT (Hasselberg) and R2IRC (Casto).
As of 2300 hours (EDT) on September 14, 2005, the Hurricane Warning south of Cape Fear, North Carolina, has been discontinued; therefore, the Unusual Event has been terminated. Entry into the Unusual Event was reported by Event Notification 41983. Both Unit 1 and Unit 2 continue to operate at 100 percent power. There has been no damage affecting safety equipment or causing operational constraints as a result of Hurricane Ophelia. The licensee notified state/local agencies and will inform the NRC Resident Inspector. Notified R2DO (Munday), NRR (Mayfield), IRD (McGinty), FEMA (Snyder), and DHS (Gomez). |
| ENS 40953 | 14 August 2004 13:40:00 | Licensee declared an Unusual Event at 1308 EDT on 08/14/04. Unusual Event was declared due to a Loss of Offsite Power which occurred due to a Lockout trip of the Station Auxiliary Transformer. All four emergency diesel generators started and loaded properly. On the reactor trip, all rods fully inserted. They received Group II, VI, and VIII PCIS isolations due to the loss of power. The MSIVs are closed and the licensee manually started RCIC for reactor level control and HPCI for reactor pressure control. The licensee in activating the Emergency Response Organizations. No offsite assistance required. The licensee notified the NRC Resident Inspector, State and local Emergency response organizations.
Licensee declared termination of the Unusual Event at 1713 EDT on 08/14/04 after restoring offsite power to the Station Auxiliary Transformer, BOP and Emergency Buses. The licensee notified the NRC Resident Inspector. Notified R2DO (Julian), R4DO (Smith), IRD (Nieh), NRR EO (Carpenter), DHS (Doyle), and FEMA (Sullivan) |