Event Notification Report for August 05, 2017
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
08/04/2017 - 08/05/2017
EVENT NUMBERS
52889
52889
Power Reactor
Event Number: 52889
Facility: NINE MILE POINT
Region: 1 State: NY
Unit: [] [2] []
RX Type: [1] GE-2,[2] GE-5
NRC Notified By: CARL CRAWFORD
HQ OPS Officer: MARK ABRAMOVITZ
Region: 1 State: NY
Unit: [] [2] []
RX Type: [1] GE-2,[2] GE-5
NRC Notified By: CARL CRAWFORD
HQ OPS Officer: MARK ABRAMOVITZ
Notification Date: 08/06/2017
Notification Time: 00:26 [ET]
Event Date: 08/05/2017
Event Time: 22:35 [EDT]
Last Update Date: 08/06/2017
Notification Time: 00:26 [ET]
Event Date: 08/05/2017
Event Time: 22:35 [EDT]
Last Update Date: 08/06/2017
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):
JON LILLIENDAHL (R1DO)
JON LILLIENDAHL (R1DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 2 | A/R | Y | 84 | Power Operation | 0 | Hot Shutdown |
AUTOMATIC REACTOR SCRAM DURING TESTING
"At 2235 [EDT] Nine Mile Point Unit 2 experienced an automatic scram on high reactor pressure. Turbine stop valve testing was in progress at the time of the scram. All control rods inserted. Pressure control is via the turbine bypass valves. The cause of the scram is being investigated.
"This is a 4-Hour report for 10CFR50.72(b)(2)(iv)(B) RPS [Reactor Protection System] Actuation.
"The NRC Resident Inspector has been notified."
Reactor water level is being maintained with normal feedwater flow. No safety or relief valves lifted. The plant is in its normal shutdown electrical lineup.
"At 2235 [EDT] Nine Mile Point Unit 2 experienced an automatic scram on high reactor pressure. Turbine stop valve testing was in progress at the time of the scram. All control rods inserted. Pressure control is via the turbine bypass valves. The cause of the scram is being investigated.
"This is a 4-Hour report for 10CFR50.72(b)(2)(iv)(B) RPS [Reactor Protection System] Actuation.
"The NRC Resident Inspector has been notified."
Reactor water level is being maintained with normal feedwater flow. No safety or relief valves lifted. The plant is in its normal shutdown electrical lineup.