U.S. Nuclear Regulatory Commission Operations Center Event Reports For 03/22/95 - 03/23/95 ** EVENT NUMBERS ** 28523 28554 28571 28572 28573 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28523 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 03/14/95 | |UNIT: [ ] [2] [ ] STATE: GA |NOTIFICATION TIME: 05:36 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 03/14/95 | +------------------------------------------------+EVENT TIME: 01:44[EST]| |NRC NOTIFIED BY: LADD |LAST UPDATE DATE: 03/22/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EMERGENCY BUS INADVERTENTLY DEENERGIZED DURING MAINTENANCE | | | | THE TRAIN B 4160 VAC BUS WAS INADVERTENTLY DEENERGIZED WHILE | | TROUBLESHOOTING A PROBLEM WITH A BREAKER CELL SWITCH ON A SUPPLY BREAKER. | | THE LOSS OF POWER CAUSED THE TURBINE-DRIVEN AUXILIARY FEEDWATER DISCHARGE | | VALVES TO STROKE OPEN DUE TO AN UNDERVOLTAGE SIGNAL FROM THE SEQUENCER. THE | | TRAIN B EDG WAS IN MAINTENANCE MODE FOR THE TROUBLESHOOTING AND DID NOT | | START. THE PROBLEM WAS ISOLATED AND THE BUS WAS REENERGIZED. THE TURBINE | | DRIVEN AUXILIARY FEEDWATER PUMP WAS TAGGED OUT AND DID NOT START. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | ** UPDATE DATE\TIME:3/22/95 @ 1738 EST *FROM LICENSEE:CHESTNUT BY:McGINTY** | | THE LICENSEE RETRACTED THIS EVENT BASED ON A REVIEW WHICH CONFIRMED THAT | | THIS EVENT IS NOT REPORTABLE BECAUSE THE LOSS OF POWER AND AFW ACTUATION | | SIGNAL REPRESENTED AN INVALID ESF ACTUATION. THE ACTUATION WAS CAUSED BY A | | HUMAN ERROR DURING TROUBLE SHOOTING. IN ADDITION, AS THE UNIT WAS IN A | | DEFUELED CONDITION, THE AFW SYSTEM HAD BEEN PROPERLY REMOVED FROM SERVICE. | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. HOO INFORMED THE R2DO | | (CRLENJAK). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28554 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 03/17/95 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 19:19 [ET]| |RX TYPE: [3] CE |EVENT DATE: 03/17/95 | +------------------------------------------------+EVENT TIME: 17:50[CST]| |NRC NOTIFIED BY: TERRY SCHRECKENGAST |LAST UPDATE DATE: 03/22/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A BOTTLE OF NON-ALCOHOLIC WHITE WINE WAS DISCOVERED IN THE CONTROL ROOM. | | | | A PLANT OPERATOR DISCOVERED A BOTTLE OF NON-ALCOHOLIC WHITE WINE LABELED | | ST. REGIS VINEYARDS OF CALIFORNIA BLANC IN AN UNMARKED LOCKER IN THE BACK | | OF THE CONTROL ROOM. THE LABEL READ THAT THE ALCOHOL HAD BEEN REMOVED AND | | THAT ITS ALCOHOL CONTENT WAS LESS THAN 0.5 PERCENT. THE BOTTLE HAD | | APPROXIMATELY 1/2 CUP MISSING. THE BOTTLE WAS DISCOVERED DURING A SEARCH | | FOR VALVE LOCKS, AND THE ONLY OTHER THING IN THE LOCKER WAS SOME MODESTY | | CLOTHING. | | | | THE BOTTLE IS NOW IN THE SECURITY DEPARTMENT'S EVIDENCE ROOM AND IT IS | | SEALED. THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | | | | ** UPDATE DATE\TIME:3/22/95 @ 1702 EST *FROM LICENSEE:SCOTT BY:McGINTY** | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON THE INVESTIGATION WHICH | | DETERMINED THAT THE NON-ALCOHOLIC BEVERAGE WHICH WAS DISCOVERED IS NOT A | | CONTRABAND. THUS, THE INTRODUCTION INTO THE CONTROL ROOM IS NOT CONTRARY | | TO PART 73 REQUIREMENTS, AND IS NOT REPORTABLE. THE BEVERAGE HAS 0.5 | | PERCENT ALCOHOL CONTENT, AND THIS CONCENTRATION LEVEL IS BELOW THE | | THRESHOLD FOR DEEMING A BEVERAGE AN ALCOHOL. THE LICENSEE DISCUSSED THIS | | RETRACTION WITH MR. DECKER OF R3, AND WILL INFORM THE RESIDENT INSPECTOR. | | HOO INFORMED THE R4DO (STETKA). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28571 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 03/22/95 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 08:58 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 03/22/95 | +------------------------------------------------+EVENT TIME: 08:12[EST]| |NRC NOTIFIED BY: McKENNY |LAST UPDATE DATE: 03/22/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | WITH THE PLANT IN CONDITION 4 (COLD SHUTDOWN) DURING A REFUELING OUTAGE, | | THE PLANT RECEIVED A HIGH HIGH SRM Rx SCRAM SIGNAL FOR UNKNOWN REASONS. | | | | A REACTOR SCRAM OCCURRED DUE TO A MANUAL SCRAM CHANNELS' ACTIVATION - SRM | | "A" SPIKED HI - HI. THE APPARENT CAUSE APPEARS TO BE "NOISE" RELATED. THERE | | WAS NO ROD MOTION BECAUSE ALL RODS HAD BEEN INSERTED PRIOR TO THE SCRAM. | | THERE WERE SHORTING LINKS REMOVED IN THE SRMS SO THAT ANY ONE OF THE SRM | | COULD GENERATE A SCRAM. LICENSEE IS INVESTIGATING THE CAUSE. | | | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28572 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 03/22/95 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 10:29 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 03/22/95 | +------------------------------------------------+EVENT TIME: 10:08[EST]| |NRC NOTIFIED BY: LANGAN |LAST UPDATE DATE: 03/22/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED THAT THEY COULD HAVE A MALFUNCTION WITH THEIR | | SUPPLEMENTAL LEAK COLLECTION AND RELEASE FILTERS AND THE CONTROL ROOM | | FILTERS. | | | | THIS PROBLEM WAS DISCOVERED DURING AN ENGINEERING REVIEW OF A CONDITION FOR | | WHICH HISTORICAL BREECHES OF THE CONTROL ROOM BOUNDARY MAY HAVE RENDERED | | THE CONTROL ROOM FILTERS INCAPABLE OF PERFORMING THEIR SAFETY FUNCTION OF | | MAINTAINING POSITIVE PRESSURE IN THE CONTROL ROOM. THIS CONDITION COULD | | HAVE EXISTED SINCE 1986. THERE WILL BE AN ENGINEERING EVALUATION TO | | DETERMINE THE REQUIRED ACTIONS TO BE TAKEN. | | | | THE RI, STATE AND LOCAL AGENCIES HAVE BEEN NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28573 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 03/22/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 17:07 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 03/22/95 | +------------------------------------------------+EVENT TIME: 16:12[EST]| |NRC NOTIFIED BY: MOFFATT |LAST UPDATE DATE: 03/22/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK CRLENJAK RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | INADEQUATE POST-LOCA RX BUILDING WATER INVENTORY TO SUPPORT CURRENT EOP's | | FOR COOLDOWN SHOULD ONLY ONE LOW PRESSURE INJECTION PUMP BE IN OPERATION. | | | | DURING AN ENGINEERING INVESTIGATION OF A PREVIOUS EVENT (#28038), INVOLVING | | HIGH PRESSURE INJECTION (MAKEUP) PUMP SUCTION CONCERNS, AN ADDITIONAL | | CONDITION OUTSIDE THE DESIGN BASIS WAS DISCOVERED. IN THE EVENT OF CERTAIN | | LOCA's, EOP-08 (LOCA COOLDOWN) DIRECTS THE OPERATORS TO ESTABLISH SUCTION | | FROM THE RX BUILDING SUMP TO THE LOW PRESSURE INJECTION (DHR) PUMPS WHEN | | BORATED WATER STORAGE TANK LEVEL DECREASES TO A PREVIOUSLY DETERMINED | | LEVEL. LATER IN THE PROCEDURE, OPERATORS ARE DIRECTED TO OPEN HIGH | | PRESSURE INJECTION PUMP(s) CROSS-TIE VALVES IN THE EVENT THAT ONLY ONE LOW | | PRESSURE INJECTION PUMP IS AVAILABLE TO SUPPLY SUCTION (PIGGY-BACK MODE). | | | | THIS CREATES A SYSTEM ALIGNMENT WHERE ONE LOW PRESSURE INJECTION PUMP COULD | | BE SUBJECTED TO SUPPLYING 2200 GPM NOMINAL TO THE RX VESSEL, 1080 GPM | | NOMINAL TO THE HIGH PRESSURE INJECTION PUMPS AND 100 GPM NOMINAL | | RECIRCULATION FLOW. A RECENT CALCULATION SHOWS THAT INSUFFICIENT WATER | | INVENTORY WILL EXIST IN THE RX BUILDING TO PROVIDE ADEQUATE NET POSITIVE | | SUCTION HEAD (NPSH) TO A SINGLE LOW PRESSURE INJECTION PUMP AT THESE FLOW | | RATES, INCLUDING FLOW ERROR. | | | | THE HIGH PRESSURE INJECTION PUMPS SUCTION CROSS-TIE VALVES ARE CURRENTLY | | BEING MAINTAINED UNDER ADMINISTRATIVE CONTROLS (CAUTION TAGGED). THE | | SHORT-TERM INSTRUCTIONS TO PROVIDE OPERATORS WITH ADDITIONAL GUIDANCE ARE | | BEING REVIEWED AND SHOULD BE ISSUED SHORTLY. THE LICENSEE WILL BE FURTHER | | INVESTIGATING LONG-TERM CORRECTIVE ACTIONS. THE LICENSEE HAS NOT DECLARED | | ANY SAFETY EQUIPMENT TECHNICALLY OR ADMINISTRATIVELY INOPERABLE. THE | | LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+