| U.S. Nuclear Regulatory Commission
Operations Center Event Reports For
05/31/2016 - 06/01/2016 ** EVENT NUMBERS ** |
 | Agreement State | Event Number: 51951 | Rep Org: KENTUCKY DEPT OF RADIATION CONTROL
Licensee: BIG RIVERS ELECTRIC CORPORATION
Region: 1
City: HENDERSON State: KY
County:
License #: 201-277-56
Agreement: Y
Docket:
NRC Notified By: ERIC PERRY
HQ OPS Officer: BETHANY CECERE | Notification Date: 05/24/2016
Notification Time: 09:11 [ET]
Event Date: 05/18/2016
Event Time: [CDT]
Last Update Date: 05/24/2016 | Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
| Person (Organization):
JON LILLIENDAHL (R1DO)
NMSS_EVENTS_NOTIFIC (EMAI)
| Event Text AGREEMENT STATE REPORT - FAILED SHUTTER DEVICE
The following report was excerpted from an email from the Commonwealth of Kentucky, Department for Public Health, Radiation Health Branch:
On May 18, 2016, a fixed gauge was discovered to have a failed shutter device at the licensee's site at West Centertown, Kentucky. There was a failure of on/off mechanisms on one fixed gauge to function as designed. Failure discovered during routine testing of on/off mechanism by licensee. The licensee has contacted a service provider to schedule removal/repair.
The licensee notified the Kentucky Department for Public Health on May 24, 2016.
The fixed gauge is in a remote area of the plant and no overexposures of personnel have occurred.
Kentucky Event Report ID: KY160005. |
| Power Reactor | Event Number: 51967 | Facility: CALVERT CLIFFS
Region: 1 State: MD
Unit: [1] [ ] [ ]
RX Type: [1] CE,[2] CE
NRC Notified By: TIM HUBER
HQ OPS Officer: JEFF HERRERA | Notification Date: 05/31/2016
Notification Time: 18:12 [ET]
Event Date: 05/31/2016
Event Time: 16:26 [EDT]
Last Update Date: 05/31/2016 | Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
| Person (Organization):
DAN SCHROEDER (R1DO)
|
| Unit | SCRAM Code | RX CRIT | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode | | 1 | A/R | Y | 100 | Power Operation | 0 | Hot Standby | Event Text CALVERT CLIFFS LOSS OF LOAD TURBINE/REACTOR TRIP FROM 100 PERCENT POWER
"On 05/31/2016 at 1626 [EDT], a Reactor Trip occurred on Loss of Load RPS [Reactor Protection System] actuation. The Turbine Trip was apparently caused by a failed ESFAS [Engineered Safety Feature Actuation System] logic module. The failed NSR [Non Safety Related] logic module was associated with 11 Steam Generator High Level Turbine Trip. All systems responded as designed. Normal decay heat removal is to the condenser. All offsite power sources remained in service."
The NRC Resident Inspector was notified. | |