Event Notification Report for November 10, 2013
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
11/09/2013 - 11/10/2013
EVENT NUMBERS
49526
Power Reactor
Event Number: 49526
Facility: LIMERICK
Region: 1 State: PA
Unit: [1] [] []
RX Type: [1] GE-4,[2] GE-4
NRC Notified By: BILL SOKSO
HQ OPS Officer: DONG HWA PARK
Region: 1 State: PA
Unit: [1] [] []
RX Type: [1] GE-4,[2] GE-4
NRC Notified By: BILL SOKSO
HQ OPS Officer: DONG HWA PARK
Notification Date: 11/10/2013
Notification Time: 16:16 [ET]
Event Date: 11/10/2013
Event Time: 13:51 [EST]
Last Update Date: 11/10/2013
Notification Time: 16:16 [ET]
Event Date: 11/10/2013
Event Time: 13:51 [EST]
Last Update Date: 11/10/2013
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(v)(C) - POT UNCNTRL RAD REL
10 CFR Section:
50.72(b)(3)(v)(C) - POT UNCNTRL RAD REL
Person (Organization):
JAMES NOGGLE (R1DO)
JAMES NOGGLE (R1DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
SECONDARY CONTAINMENT INTEGRITY MOMENTARILY DECLARED INOPERABLE
"Station personnel simultaneously opened the inner and outer air lock doors from the unit 1 reactor enclosure to the radwaste enclosure. Reactor enclosure secondary containment integrity was declared INOPERABLE per TS 4.6.5.1.1.b.2 due to report of both containment airlock doors on the 217 foot elevation being momentarily open at the same time. Reactor enclosure D/P [differential pressure] remained steady at .35 inches water column.
"Reactor enclosure secondary containment integrity was declared OPERABLE following verification that at least one airlock door to each access of secondary containment was closed per U1 TS 4.6.5.1.1.b.2. Total LCO time was approximately 10 seconds."
The licensee has notified the NRC Resident Inspector.
"Station personnel simultaneously opened the inner and outer air lock doors from the unit 1 reactor enclosure to the radwaste enclosure. Reactor enclosure secondary containment integrity was declared INOPERABLE per TS 4.6.5.1.1.b.2 due to report of both containment airlock doors on the 217 foot elevation being momentarily open at the same time. Reactor enclosure D/P [differential pressure] remained steady at .35 inches water column.
"Reactor enclosure secondary containment integrity was declared OPERABLE following verification that at least one airlock door to each access of secondary containment was closed per U1 TS 4.6.5.1.1.b.2. Total LCO time was approximately 10 seconds."
The licensee has notified the NRC Resident Inspector.