Event Notification Report for February 18, 2015
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
02/17/2015 - 02/18/2015
EVENT NUMBERS
50830
Power Reactor
Event Number: 50830
Facility: NINE MILE POINT
Region: 1 State: NY
Unit: [] [2] []
RX Type: [1] GE-2,[2] GE-5
NRC Notified By: MARK L. GREER
HQ OPS Officer: JEFF HERRERA
Region: 1 State: NY
Unit: [] [2] []
RX Type: [1] GE-2,[2] GE-5
NRC Notified By: MARK L. GREER
HQ OPS Officer: JEFF HERRERA
Notification Date: 02/18/2015
Notification Time: 16:01 [ET]
Event Date: 02/18/2015
Event Time: 14:06 [EST]
Last Update Date: 02/18/2015
Notification Time: 16:01 [ET]
Event Date: 02/18/2015
Event Time: 14:06 [EST]
Last Update Date: 02/18/2015
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
Person (Organization):
RAY POWELL (R1DO)
JANE MARSHALL (NRR)
WILLIAM GOTT (IRD)
RAY POWELL (R1DO)
JANE MARSHALL (NRR)
WILLIAM GOTT (IRD)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 2 | M/R | Y | 100 | Power Operation | 0 | Hot Shutdown |
MANUAL SCRAM DUE TO RAPIDLY RISING REACTOR WATER LEVEL
"At 1406 [EST] Nine Mile Point Unit 2 inserted a manual scram due to rapidly rising reactor water level.
"The cause of the rapidly rising water prior to the manual scram is unknown and under investigation.
"Reactor water level is currently being maintained in normal control band post scram.
"The reactor scram is reportable in accordance with 10 CFR 50.72(b)(2)(iv)(B) as, 'Any event or condition that results in actuation of the reactor protection system (RPS) when the reactor is critical.'
"The NRC Resident has been notified."
All rods fully inserted. Nine Mile Point Unit 2 is in a normal electrical shutdown configuration. The licensee reported no impact on Unit 1.
The New York State Public Service Commission was also notified.
"At 1406 [EST] Nine Mile Point Unit 2 inserted a manual scram due to rapidly rising reactor water level.
"The cause of the rapidly rising water prior to the manual scram is unknown and under investigation.
"Reactor water level is currently being maintained in normal control band post scram.
"The reactor scram is reportable in accordance with 10 CFR 50.72(b)(2)(iv)(B) as, 'Any event or condition that results in actuation of the reactor protection system (RPS) when the reactor is critical.'
"The NRC Resident has been notified."
All rods fully inserted. Nine Mile Point Unit 2 is in a normal electrical shutdown configuration. The licensee reported no impact on Unit 1.
The New York State Public Service Commission was also notified.