Event Notification Report for October 06, 2015
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
10/05/2015 - 10/06/2015
Power Reactor
Event Number: 51457
Facility: GRAND GULF
Region: 4 State: MS
Unit: [1] [] []
RX Type: [1] GE-6
NRC Notified By: BRANDON STARNES
HQ OPS Officer: JEFF HERRERA
Region: 4 State: MS
Unit: [1] [] []
RX Type: [1] GE-6
NRC Notified By: BRANDON STARNES
HQ OPS Officer: JEFF HERRERA
Notification Date: 10/06/2015
Notification Time: 17:56 [ET]
Event Date: 10/06/2015
Event Time: 13:30 [CDT]
Last Update Date: 10/06/2015
Notification Time: 17:56 [ET]
Event Date: 10/06/2015
Event Time: 13:30 [CDT]
Last Update Date: 10/06/2015
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
NICK TAYLOR (R4DO)
NICK TAYLOR (R4DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
INADVERTENT EMERGENCY SIREN ACTUATION
"At 1333 [CDT] on 10-6-2015, GGNS [Grand Gulf Nuclear Station] was notified by Claiborne County Civil Defense that the Public Notification System (ANS) Sirens in Claiborne County had been inadvertently initiated by Claiborne County at 1330 today.
"In response, GGNS informed Claiborne County, MS, State of Mississippi, Tensas Parish, LA, the State of Louisiana and other government agencies of a spurious actuation of the emergency response sirens in Claiborne County. The duration of the siren actuation was approximately 2 minutes. Upon cancellation of the siren activation command at 1332, the Claiborne County Emergency Director issued a 'NO EMERGENCY' message via CODE RED and Tone Alert Radio.
"At approximately 1342, Claiborne County Emergency Management Agency also faxed a 'NO EMERGENCY' Emergency Alert System message transmission request to the following television stations: WJMI, WLBT, and WJTV."
The licensee stated Claiborne County technicians believed this was caused by human error.
The Licensee notified the NRC Resident Inspector.
"At 1333 [CDT] on 10-6-2015, GGNS [Grand Gulf Nuclear Station] was notified by Claiborne County Civil Defense that the Public Notification System (ANS) Sirens in Claiborne County had been inadvertently initiated by Claiborne County at 1330 today.
"In response, GGNS informed Claiborne County, MS, State of Mississippi, Tensas Parish, LA, the State of Louisiana and other government agencies of a spurious actuation of the emergency response sirens in Claiborne County. The duration of the siren actuation was approximately 2 minutes. Upon cancellation of the siren activation command at 1332, the Claiborne County Emergency Director issued a 'NO EMERGENCY' message via CODE RED and Tone Alert Radio.
"At approximately 1342, Claiborne County Emergency Management Agency also faxed a 'NO EMERGENCY' Emergency Alert System message transmission request to the following television stations: WJMI, WLBT, and WJTV."
The licensee stated Claiborne County technicians believed this was caused by human error.
The Licensee notified the NRC Resident Inspector.
Part 21
Event Number: 51611
Rep Org: QUALTECH NP
Licensee: QUALTECH NP
Region: 3
City: CINCINNATI State: OH
County:
License #:
Agreement: Y
Docket:
NRC Notified By: MARGIE HOVER
HQ OPS Officer: DONG HWA PARK
Licensee: QUALTECH NP
Region: 3
City: CINCINNATI State: OH
County:
License #:
Agreement: Y
Docket:
NRC Notified By: MARGIE HOVER
HQ OPS Officer: DONG HWA PARK
Notification Date: 12/18/2015
Notification Time: 15:50 [ET]
Event Date: 10/06/2015
Event Time: 00:00 [EST]
Last Update Date: 02/08/2019
Notification Time: 15:50 [ET]
Event Date: 10/06/2015
Event Time: 00:00 [EST]
Last Update Date: 02/08/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
21.21(d)(3)(i) - DEFECTS AND NONCOMPLIANCE
10 CFR Section:
21.21(d)(3)(i) - DEFECTS AND NONCOMPLIANCE
Person (Organization):
LADONNA SUGGS (R2DO)
RAY AZUA (R4DO)
PART 21/50.55 REACTORS (EMAIL)
LADONNA SUGGS (R2DO)
RAY AZUA (R4DO)
PART 21/50.55 REACTORS (EMAIL)
POTENTIAL PART 21 INVOLVING A200 SERIES STARTERS
The following is excerpted from a report submitted by QualTech NP, Nuclear Division, Curtiss-Wright Corporation:
"Pacific Gas and Electric (PG&E) reported to QTNP [QualTech NP] that they have had eight Cutler Hammer A200 series starter failures since September 15, 2008. The failures would remain in the operated/energized contact state with power removed for some period of time. All starters impacted with this failure were continuously energized. The concern was that if tripped, that the main contacts would not open to protect the motor.
"Testing was performed by Eaton Industrial Controls Division after receiving defective samples from PG&E. The test report from Eaton was received by QTNP for further review and evaluation. On October 6, 2015 QTNP determined that the Cutler Hammer A200 series starter failures may be reportable and an extent of condition review needed to be done.
"The root cause was a silicon based mold release that remained on the molded parts and would come between the moving (magnet) & fixed armatures. When heated for an extended period of time, this material would become sticky causing anywhere from a minor delay in opening, up to a frozen closed condition.
"Cutler Hammer has determined that the silicone mold release was first introduced into the manufacturing facility in May, 2008, due to a shortage of the Zinc Stearate Mold release that was traditionally used. The silicon based mold release was periodically used until October 2012. According to Cutler Hammer, anything made after January 1, 2013 should definitely be silicon mold release free.
"Thus any starters/contactors of the CH A200 series manufactured between May 2008 & December 31 , 2012 could have this concern. This failure has only been reported for continuously energized applications. The end user should evaluate their applications for this potential failure mechanism."
QTNP has notified North Anna, H. B. Robinson, Diablo Canyon, and Hatch.
The following is excerpted from a report submitted by QualTech NP, Nuclear Division, Curtiss-Wright Corporation:
"Pacific Gas and Electric (PG&E) reported to QTNP [QualTech NP] that they have had eight Cutler Hammer A200 series starter failures since September 15, 2008. The failures would remain in the operated/energized contact state with power removed for some period of time. All starters impacted with this failure were continuously energized. The concern was that if tripped, that the main contacts would not open to protect the motor.
"Testing was performed by Eaton Industrial Controls Division after receiving defective samples from PG&E. The test report from Eaton was received by QTNP for further review and evaluation. On October 6, 2015 QTNP determined that the Cutler Hammer A200 series starter failures may be reportable and an extent of condition review needed to be done.
"The root cause was a silicon based mold release that remained on the molded parts and would come between the moving (magnet) & fixed armatures. When heated for an extended period of time, this material would become sticky causing anywhere from a minor delay in opening, up to a frozen closed condition.
"Cutler Hammer has determined that the silicone mold release was first introduced into the manufacturing facility in May, 2008, due to a shortage of the Zinc Stearate Mold release that was traditionally used. The silicon based mold release was periodically used until October 2012. According to Cutler Hammer, anything made after January 1, 2013 should definitely be silicon mold release free.
"Thus any starters/contactors of the CH A200 series manufactured between May 2008 & December 31 , 2012 could have this concern. This failure has only been reported for continuously energized applications. The end user should evaluate their applications for this potential failure mechanism."
QTNP has notified North Anna, H. B. Robinson, Diablo Canyon, and Hatch.