Event Notification Report for January 20, 2017
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
01/19/2017 - 01/20/2017
EVENT NUMBERS
52501
Power Reactor
Event Number: 52501
Facility: MILLSTONE
Region: 1 State: CT
Unit: [] [] [3]
RX Type: [1] GE-3,[2] CE,[3] W-4-LP
NRC Notified By: WALTER ORF
HQ OPS Officer: STEVEN VITTO
Region: 1 State: CT
Unit: [] [] [3]
RX Type: [1] GE-3,[2] CE,[3] W-4-LP
NRC Notified By: WALTER ORF
HQ OPS Officer: STEVEN VITTO
Notification Date: 01/20/2017
Notification Time: 16:02 [ET]
Event Date: 01/20/2017
Event Time: 08:35 [EST]
Last Update Date: 01/20/2017
Notification Time: 16:02 [ET]
Event Date: 01/20/2017
Event Time: 08:35 [EST]
Last Update Date: 01/20/2017
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(v)(C) - POT UNCNTRL RAD REL 50.72(b)(3)(v)(D) - ACCIDENT MITIGATION
10 CFR Section:
50.72(b)(3)(v)(C) - POT UNCNTRL RAD REL 50.72(b)(3)(v)(D) - ACCIDENT MITIGATION
Person (Organization):
SILAS KENNEDY (R1DO)
SILAS KENNEDY (R1DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 3 | N | Y | 100 | Power Operation | 100 | Power Operation |
FAILURE OF A SECONDARY CONTAINMENT DOOR TO CLOSE
"At 0835 [EST] on January 20, 2017, at Millstone Power Station Unit 3, subsequent to personnel passage through a door in the auxiliary building, the door failed rendering it unable to completely close. At this time, in accordance with Technical Specification 3.6.6.2 "Secondary Containment," the Shift Manager declared the secondary containment inoperable. The door was repaired and the door completely closed at 1256 [EST] on January 20, 2017, and secondary containment was declared operable.
"Since Secondary Containment was rendered inoperable, Dominion is reporting that this condition could have prevented the fulfillment of the safety function to control the release of radioactive material and mitigate the consequences of an accident.
"This condition is being reported pursuant to 10 CFR 50.72(b)(3)(v)(C) and 10 CFR 50.72(b)(3)(v)(D).
"The NRC Senior Resident Inspector has been notified."
"At 0835 [EST] on January 20, 2017, at Millstone Power Station Unit 3, subsequent to personnel passage through a door in the auxiliary building, the door failed rendering it unable to completely close. At this time, in accordance with Technical Specification 3.6.6.2 "Secondary Containment," the Shift Manager declared the secondary containment inoperable. The door was repaired and the door completely closed at 1256 [EST] on January 20, 2017, and secondary containment was declared operable.
"Since Secondary Containment was rendered inoperable, Dominion is reporting that this condition could have prevented the fulfillment of the safety function to control the release of radioactive material and mitigate the consequences of an accident.
"This condition is being reported pursuant to 10 CFR 50.72(b)(3)(v)(C) and 10 CFR 50.72(b)(3)(v)(D).
"The NRC Senior Resident Inspector has been notified."