Event Notification Report for July 06, 2019
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
07/05/2019 - 07/06/2019
EVENT NUMBERS
54286
Power Reactor
Event Number: 54286
Facility: CATAWBA
Region: 2 State: SC
Unit: [] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: WILL FOWLER
HQ OPS Officer: THOMAS KENDZIA
Region: 2 State: SC
Unit: [] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: WILL FOWLER
HQ OPS Officer: THOMAS KENDZIA
Notification Date: 09/19/2019
Notification Time: 14:08 [ET]
Event Date: 07/06/2019
Event Time: 01:56 [EDT]
Last Update Date: 09/19/2019
Notification Time: 14:08 [ET]
Event Date: 07/06/2019
Event Time: 01:56 [EDT]
Last Update Date: 09/19/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(v)(A) - POT UNABLE TO SAFE SD 50.72(b)(3)(v)(B) - POT RHR INOP 50.72(b)(3)(v)(D) - ACCIDENT MITIGATION
10 CFR Section:
50.72(b)(3)(v)(A) - POT UNABLE TO SAFE SD 50.72(b)(3)(v)(B) - POT RHR INOP 50.72(b)(3)(v)(D) - ACCIDENT MITIGATION
Person (Organization):
BRIAN BONSER (R2DO)
BRIAN BONSER (R2DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 2 | N | Y | 100 | Power Operation | 100 | Power Operation |
BOTH TRAINS OF COMPONENT COOLING WATER DETERMINED INOPERABLE
"10 CFR 50.72(b)(3)(v)(A, B, and D) - Event or Condition that Could Have Prevented the Fulfillment of a Safety Function Unit 2 Component Cooling water system inoperable.
"On July 6, 2019, from 0156 to 1545 [EDT], it was determined that both trains of the unit 2 component cooling water system were simultaneously inoperable; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). The affected safety function was restored on July 6, 2019, at 1545 [EDT] when the 2B component cooling train was restored to operable.
"There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified."
At the time of the event no other safety related systems were inoperable. The event had no impact on Unit 1.
"10 CFR 50.72(b)(3)(v)(A, B, and D) - Event or Condition that Could Have Prevented the Fulfillment of a Safety Function Unit 2 Component Cooling water system inoperable.
"On July 6, 2019, from 0156 to 1545 [EDT], it was determined that both trains of the unit 2 component cooling water system were simultaneously inoperable; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). The affected safety function was restored on July 6, 2019, at 1545 [EDT] when the 2B component cooling train was restored to operable.
"There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified."
At the time of the event no other safety related systems were inoperable. The event had no impact on Unit 1.