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Event Notification Report for May 16, 2018

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
05/15/2018 - 05/16/2018

EVENT NUMBERS
53403534045340554646

Power Reactor
Event Number: 53403
Facility: VOGTLE
Region: 2     State: GA
Unit: [3] [4] []
RX Type: [3] W-AP1000,[4] W-AP1000
NRC Notified By: DANIEL MICKINAC
HQ OPS Officer: ANDREW WAUGH
Notification Date: 05/16/2018
Notification Time: 16:51 [ET]
Event Date: 05/16/2018
Event Time: 11:33 [EDT]
Last Update Date: 05/16/2018
Emergency Class: NON EMERGENCY
10 CFR Section:
26.719 - FITNESS FOR DUTY
Person (Organization):
ANTHONY MASTERS (R2DO)
FFD GROUP (EMAIL)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
3 N N 0 Under Construction 0 Under Construction
4 N N 0 Under Construction 0 Under Construction
Event Text
FITNESS-FOR-DUTY TEST POSITIVE FOR NON-LICENSED SUPERVISOR

At 1133 EDT on May 16, 2018, Southern Nuclear Operating Company determined a non-licensed contractor supervisor had a confirmed positive for a controlled substance during a random Fitness-for-Duty test. The employee's unescorted access to the plant has been suspended.

The NRC Resident Inspector has been notified.


Power Reactor
Event Number: 53404
Facility: ARKANSAS NUCLEAR
Region: 4     State: AR
Unit: [1] [] []
RX Type: [1] B&W-L-LP,[2] CE
NRC Notified By: KEVIN PARKS
HQ OPS Officer: DONALD NORWOOD
Notification Date: 05/16/2018
Notification Time: 22:19 [ET]
Event Date: 05/16/2018
Event Time: 17:50 [CDT]
Last Update Date: 05/16/2018
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL 50.72(b)(3)(iv)(A) - VALID SPECIF SYS ACTUATION
Person (Organization):
HEATHER GEPFORD (R4DO)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 A/R Y 10 Power Operation 0 Hot Standby
Event Text
AUTOMATIC REACTOR TRIP DUE TO LOSS OF MAIN FEEDWATER PUMP

"At 1750 CDT, the Arkansas Nuclear One, Unit 1 (ANO-1) reactor tripped due to the trip of the 'B' Main Feedwater Pump. Unit 1 was at 10 percent power with escalation of power in progress with one Main Feedwater Pump in service. Investigation is in progress as to the cause of the Main Feedwater Pump trip. The Main Feedwater Pump trip resulted in RPS [reactor protection system] actuation on loss of both Main Feedwater Pumps and resulted in Emergency Feedwater (EFW) actuation. All Control Rods inserted into the core properly and the reactor was verified shutdown.

"EFW experienced a half-trip on the 'A' train of Emergency Feedwater Initiation and Control (EFIC) at time of system actuation, but was successfully actuated manually immediately upon discovery. Train 'B' EFIC actuated in Automatic as designed. The half-trip of the 'A' train of EFIC is currently believed to be associated with EFIC Channel 'C'; however, investigation is underway to verify this.

"Currently, ANO-1 has been stabilized and is being maintained in Mode 3 with Auxiliary Feedwater in service. Heat removal is via Turbine Bypass valves to the Condenser.

"No radiological releases have occurred due to this event."

There was no effect on Arkansas Nuclear One, Unit 2. The licensee notified the NRC Resident Inspector and the State of Arkansas.


Power Reactor
Event Number: 53405
Facility: SOUTH TEXAS
Region: 4     State: TX
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: ANDY DUNLAP
HQ OPS Officer: ANDREW WAUGH
Notification Date: 05/16/2018
Notification Time: 23:29 [ET]
Event Date: 05/16/2018
Event Time: 22:02 [CDT]
Last Update Date: 05/17/2018
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
HEATHER GEPFORD (R4DO)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation
2 N Y 100 Power Operation 100 Power Operation
Event Text
OFFSITE NOTIFICATION OF FIRES IN THE OWNER CONTROLLED AREA

"On May 16, 2018 at approximately 1425 CDT, two grass fires started in the Owner Controlled Area surrounding South Texas Project (STP) Nuclear Generating Station. The Bay City Volunteer Fire Department was called to the site to fight the fire. Reinforcements from Tres Palacios Oaks, Midfield and Markham Fire Departments were called in to assist with firefighting efforts. The grass fires were extinguished on May 16, 2018 at 2046 CDT. The fires occurred outside the protected area of the plant and presented no danger to the public or the safe operation of the units.

"On May 16, 2018 at 2202 CDT, STP Nuclear Generating Station issued a press release to inform area residents."

The licensee notified the NRC Resident Inspector.

* * * UPDATE ON MAY 17, 2018 AT 13:33 EDT FROM BILLY HERZOG TO THOMAS KENDZIA * * *

"On May 17, 2018, at 11:10 CDT STP Nuclear Generating Station notified the Texas Commission on Environmental Quality (TCEQ) of the grass fires, resulting in visible emissions, that occurred in the Owner Controlled Area of the STP Nuclear Generating Station on May 16, 2018, between the times of 14:25 and 20:46 CDT.

"No further press releases are planned."

The licensee notified the NRC Resident Inspector.

Notified R4DO (Gepford).


Agreement State
Event Number: 54646
Rep Org: COLORADO DEPT OF HEALTH
Licensee: FOX ACRES COUNTRY CLUB
Region: 4
City: RED FEATHER LAKES   State: CO
County:
License #: GL000782
Agreement: Y
Docket:
NRC Notified By: KATHRYN MOTE
HQ OPS Officer: JEFFREY WHITED
Notification Date: 04/07/2020
Notification Time: 14:36 [ET]
Event Date: 05/16/2018
Event Time: 00:00 [MDT]
Last Update Date: 04/07/2020
Emergency Class: Non Emergency
10 CFR Section:
AGREEMENT STATE
Person (Organization):
GREG PICK (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
ILTAB (EMAIL)
Event Text
AGREEMENT STATE REPORT - LOST TRITIUM EXIT SIGN

The following summary was received from the State of Colorado via E-mail:

The licensee is unable to locate a tritium exit sign with an activity of 9.21 Ci. The exit sign may have been removed during renovation.

THIS MATERIAL EVENT CONTAINS A "LESS THAN CAT 3" LEVEL OF RADIOACTIVE MATERIAL

Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf