Event Notification Report for January 28, 1999
U.S. Nuclear Regulatory Commission
Operations Center
Event Reports For
01/27/1999 - 01/28/1999
** EVENT NUMBERS **
35220 35318
!!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!!
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|Power Reactor |Event Number: 35220 |
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| FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 01/05/1999|
| UNIT: [1] [] [] STATE: OH |NOTIFICATION TIME: 19:14[EST]|
| RXTYPE: [1] GE-6 |EVENT DATE: 01/05/1999|
+------------------------------------------------+EVENT TIME: 15:18[EST]|
| NRC NOTIFIED BY: FREDERICK SMITH |LAST UPDATE DATE: 01/27/1999|
| HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+
+------------------------------------------------+PERSON ORGANIZATION |
|EMERGENCY CLASS: N/A |BRENT CLAYTON R3 |
|10 CFR SECTION: | |
|AESF 50.72(b)(2)(ii) ESF ACTUATION | |
| | |
| | |
| | |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|1 N Y 95 Power Operation |95 Power Operation |
| | |
| | |
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EVENT TEXT
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| AUTOMATIC START OF AN ANNULUS EXHAUST GAS TREATMENT SYSTEM FAN DURING TRAIN |
| RESTORATION |
| |
| While returning the Annulus Exhaust Gas Treatment System (AEGTS) train 'B' |
| to standby readiness from secured status, the 'B' exhaust fan automatically |
| started when the fan control switch was placed in the 'standby' position. |
| The licensee believes that the initiating signal may not have been valid and |
| that the cause may have been a faulty flow switch. Reportability is still |
| under investigation. |
| |
| The licensee notified the NRC Resident Inspector. |
| |
| * * * UPDATE at 1047 on 01/27/99 by Fred Smith to Dick Jolliffe * * * |
| |
| The initiating signal for the 'B' exhaust fan could not be reproduced. |
| Through the process of analysis and testing, licensee engineering personnel |
| determined that the most suspect component that malfunctioned and caused the |
| initiating signal was a flow switch in the discharge of the AEGTS train 'A'. |
| A review of the data available and observations by the operating crew |
| indicated that no actual low flow or LOCA signal existed. Therefore, the |
| initiation was determined to be caused by an invalid signal. |
| |
| Licensee engineering personnel determined that AEGTS is considered part of |
| the Reactor Building Ventilation System (RBVS), consistent with the UFSAR. |
| The invalid low flow signal that was the most likely cause of the AEGTS |
| train 'B' initiation is not considered an ESF actuation signal. |
| |
| The AEGTS (ESF actuation system) initiation was caused by an invalid signal |
| that initiated the system as an RBVS and thus, the licensee desires to |
| retract this event. |
| |
| The licensee notified the NRC Resident Inspector. The Operations Officer |
| notified R3DO Tony Vegel. |
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|General Information or Other |Event Number: 35318 |
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| REP ORG: KS DEPT OF HEALTH & ENVIRON |NOTIFICATION DATE: 01/27/1999|
|LICENSEE: CODER X-RAY & WELDING SERVICES |NOTIFICATION TIME: 10:02[EST]|
| CITY: McPherson REGION: 4 |EVENT DATE: 09/11/1998|
| COUNTY: STATE: KS |EVENT TIME: 12:00[CST]|
|LICENSE#: 21-B165-01 AGREEMENT: Y |LAST UPDATE DATE: 01/27/1999|
| DOCKET: |+----------------------------+
| |PERSON ORGANIZATION |
| |CHARLES MARSCHALL R4 |
| | |
+------------------------------------------------+ |
| NRC NOTIFIED BY: TOM CONLEY | |
| HQ OPS OFFICER: DICK JOLLIFFE | |
+------------------------------------------------+ |
|EMERGENCY CLASS: N/A | |
|10 CFR SECTION: | |
|NAGR AGREEMENT STATE | |
| | |
| | |
| | |
| | |
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EVENT TEXT
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| AGREEMENT STATE REPORT - POTENTIAL OVEREXPOSURE INVOLVING A RADIOGRAPHER - |
| |
| ON 09/11/98, DURING AN ANNUAL INSPECTION OF CODER X-RAY AND WELDING |
| SERVICES, McPHERSON, KS (LICENSE #21-B165-01) BY THE KANSAS DEPARTMENT OF |
| HEALTH AND ENVIRONMENT (KANSAS INVESTIGATION FILE #KS-98-20), THE DOSIMETRY |
| READING OF THE OWNER WAS FOUND TO BE GREATER THAN 5 REM (6400 MILLIREMS DDE) |
| FOR 1998. |
| |
| THE OWNER STATED THAT HE WAS ASSIGNED A DOSE OF 2370 MILLIREMS FOR THE |
| QUARTER AND THAT HIS BADGE RECEIVED AN INADVERTENT EXPOSURE DUE TO A SPARK |
| GENERATED WHILE HE WAS WELDING AND THAT HIS POCKET ION CHAMBER DOSE FOR THE |
| PERIOD IN QUESTION WAS 440 MILLIREM. HE BELIEVES THAT THE OVEREXPOSURE WAS |
| THE RESULT OF A SPARK THAT BURNED HIS FILM HOLDER, NOT THE RESULT OF GAMMA |
| RAYS RECEIVED DURING AN INDUSTRIAL RADIOGRAPHY OPERATION. |
| |
| KANSAS INSPECTORS WERE UNABLE TO COMPLETE THEIR FOLLOWUP INVESTIGATION ON |
| 12/10/98 BECAUSE THE LOG BOOKS IN QUESTION WERE NOT AVAILABLE AT THE TIME. |
| |
| MR CONLEY HAS DISCUSSED THIS SITUATION WITH REGION 4 LINDA McLEAN. |
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