| U.S. Nuclear Regulatory Commission
Operations Center Event Reports For
01/17/2018 - 01/18/2018 ** EVENT NUMBERS ** |
 | Agreement State | Event Number: 53161 | Rep Org: PA BUREAU OF RADIATION PROTECTION
Licensee: WEST PENN HOSPITAL
Region: 1
City: PITTSBURGH State: PA
County:
License #: PA-0121
Agreement: Y
Docket:
NRC Notified By: JOHN CHIPPO
HQ OPS Officer: DONALD NORWOOD | Notification Date: 01/10/2018
Notification Time: 11:55 [ET]
Event Date: 01/09/2018
Event Time: [EST]
Last Update Date: 01/10/2018 | Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
| Person (Organization):
ANTHONY DIMITRIADIS (R1DO)
NMSS_EVENTS_NOTIFICA (EMAI)
| Event Text AGREEMENT STATE REPORT - SOURCE CABLE DAMAGED IN HIGH DOSE RATE AFTERLOADER UNIT
The following information was received via E-mail:
"On January 9, 2018, the licensee informed the Department [Pennsylvania Department of Environmental Protection] of a problem with their Flexitron HDR [high dose rate] unit. It is reportable per 10 CFR 30.50(b )(2).
"After a service provider completed a source exchange on an Elekta Flexitron Model 136149A02 HDR remote afterloader unit containing 9.6 curies of iridium-192 on Friday morning, January 5, 2018, the unit was tested for operation three times and worked properly. At approximately 1400 EST on the January 5, 2018, a hospital physicist was starting his QA procedures on the unit. At that point, the source would not come out of the safe position and he received an error code. The physicist then contacted the service provider and he returned to the site. The service provider tried multiple tasks to get the source to engage, all were unsuccessful. He felt there was some form of obstruction or possibly a drive issue. He then scheduled to be onsite January 9, 2018 with a fellow engineer to further investigate the issue. They discovered the source cable was badly frayed and could not be safely removed and placed into the existing transport containers. Currently, the source and cable have been taped in place so they will not move and the device has been locked in its storage closet at the facility. The Department is in contact with the hospital Radiation Safety Officer and further information is not available at this time.
"The Department will perform a reactive inspection. More information will be provided as received."
PA Event Report ID No: PA180001 |
| Agreement State | Event Number: 53163 | Rep Org: IOWA DEPARTMENT OF PUBLIC HEALTH
Licensee: ARCONIC DAVENPORT WORKS
Region: 3
City: BETTENDORF State: IA
County:
License #: 0169-1-82-FG
Agreement: Y
Docket:
NRC Notified By: RANDAL DAHLIN
HQ OPS Officer: DONALD NORWOOD | Notification Date: 01/10/2018
Notification Time: 15:19 [ET]
Event Date: 01/09/2018
Event Time: [CST]
Last Update Date: 01/10/2018 | Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
| Person (Organization):
MARK JEFFERS (R3DO)
NMSS_EVENTS_NOTIFICA (EMAI)
| Event Text AGREEMENT STATE REPORT - FIXED NUCLEAR GAUGE SHUTTER FAILED TO CLOSE
The following information was received via E-mail:
"The licensee reported that a shutter on a fixed gauge (Isotope Measuring Systems, Inc. model 5221-02) containing five (5) five curies of Americium-241 sealed sources had one of the five shutters on the device fail to close during device calibration on January 9, 2018. This failure was reported to the Iowa Department of Public Health (IDPH) on January 10, 2018. The licensee has contacted the manufacturer and a service representative will arrive on site Thursday, January 11, 2018 to assess the cause of the shutter failure. IDPH will provide additional information to the NRC after receiving the manufacturer service representatives field report." |
| Power Reactor | Event Number: 53170 | Facility: SURRY
Region: 2 State: VA
Unit: [1] [ ] [ ]
RX Type: [1] W-3-LP,[2] W-3-LP
NRC Notified By: RODNEY ADAMS
HQ OPS Officer: STEVEN VITTO | Notification Date: 01/17/2018
Notification Time: 15:08 [ET]
Event Date: 01/17/2018
Event Time: 09:52 [EST]
Last Update Date: 01/17/2018 | Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(iv)(A) - VALID SPECIF SYS ACTUATION
| Person (Organization):
GERALD MCCOY (R2DO)
|
| Unit | SCRAM Code | RX CRIT | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode | | 1 | N | Y | 100 | Power Operation | 100 | Power Operation | Event Text AUTO-START OF EMERGENCY DIESEL GENERATOR DUE TO TRANSFORMER FUSES BEING DISCONNECTED
"At 0952 EST on 01/17/2018 with Unit 1 and Unit 2 operating at 100 percent, the normal supply breaker to the Unit 1J Emergency Bus tripped open due to an under-voltage condition when the potential transformer fuses were inadvertently disconnected. This resulted in a loss of power to the Unit 1J Emergency Bus from its normal off-site power supply. Number 3 Emergency Diesel Generator automatically started on an under-voltage signal and loaded onto the Unit 1J Emergency Bus, as designed.
"All equipment performed as expected during the event and there were no unexplained occurrences. Maintenance has verified the fuses have been reconnected and at 1221 EST, off-site power was restored to Unit 1J Emergency Bus. At 1254 EST Number 3 Emergency Diesel Generator was secured in accordance with Station Operating procedures.
"All Electrical distribution systems have been restored to a normal alignment.
"There were no radiation releases due to this event, nor were there any personnel injuries or contamination events.
"This event is being reported in accordance with 10 CFR 50.72(b)(3)(iv)(A) due to the auto start of Number 3 Emergency Diesel Generator."
The licensee notified the NRC Resident Inspector. |
| Power Reactor | Event Number: 53173 | Facility: WATTS BAR
Region: 2 State: TN
Unit: [1] [ ] [ ]
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: ANDREW WALDMANN
HQ OPS Officer: HOWIE CROUCH | Notification Date: 01/17/2018
Notification Time: 22:41 [ET]
Event Date: 01/17/2018
Event Time: 20:02 [EST]
Last Update Date: 01/17/2018 | Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(v)(D) - ACCIDENT MITIGATION
| Person (Organization):
GERALD MCCOY (R2DO)
|
| Unit | SCRAM Code | RX CRIT | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode | | 1 | N | Y | 100 | Power Operation | 100 | Power Operation | Event Text SHIELD BUILDING INOPERABLE
"At 2002 EST on January 17, 2018, annulus differential pressure exceeded its pressure limit. At that time, the Shield Building was declared inoperable requiring entry into Technical Specification 3.6.15, Conditions A and B. Action was taken by field operators to swap annulus vacuum control dampers to restore annulus differential pressure. At 2024 EST, annulus differential pressure was restored to required limits, the Shield Building was declared operable, and LCO 3.6.15, Conditions A and B were exited.
"The temporary loss of the Shield Building resulted from a failure of the annulus vacuum control system to maintain the required differential pressure. Manual swap-over of pressure control to the backup damper restored differential pressure to required limits allowing exit from TS LCO 3.6.15 and restoration of the Shield Building safety function.
"The Shield Building ensures that the release of radioactive material from the containment atmosphere is restricted to those leakage paths and associated leakage rates assumed in the accident analysis during a Loss of Coolant Accident (LOCA). The Emergency Gas Treatment System (EGTS) would have automatically started and performed its design function to maintain annulus vacuum within required limits.
"This event is being reported pursuant to 10 CFR 50.72(b)(3)(v)(D).
"The NRC Resident Inspector has been notified." | |