U.S. Nuclear Regulatory Commission Operations Center Event Reports For 12/03/97 - 12/04/97 ** EVENT NUMBERS ** 33214 33262 33327 33328 33334 33344 33345 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33214 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 11/05/97 | |UNIT: [1] [2] [3] STATE: SC |NOTIFICATION TIME: 12:25 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 11/05/97 | +------------------------------------------------+EVENT TIME: 12:15[EST]| |NRC NOTIFIED BY: DANNY DURHAM |LAST UPDATE DATE: 12/03/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHUCK CASTO RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N N 0 REFUELING | 0 REFUELING | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PLANT SECURITY EVENT - | | | | UNAUTHORIZED ENTRY INTO VITAL AREA ON 10/30/97. IMMEDIATE COMPENSATORY | | MEASURES TAKEN UPON DISCOVERY. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. REFER TO THE HOO LOG FOR ADDITIONAL DETAILS. | | | | * * * UPDATE AT 1356 ON 11/06/97 BY TERRY KING ENTERED BY JOLLIFFE * * * | | | | CORRECTED INFORMATION REGARDING UNAUTHORIZED ENTRY INTO VITAL AREA ON | | 10/30/97. REFER TO THE HOO LOG FOR DETAILS. THE LICENSEE INFORMED THE | | NRC RESIDENT INSPECTOR. THE OPERATIONS OFFICER INFORMED R2DO CHUCK OGLE. | | | | * * * UPDATE AT 1651 EST ON 12/03/97 BY DANNY DURHAM TO FANGIE JONES * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON FURTHER REVIEW OF GUIDANCE | | CONTAINED IN (A) NUREG-1304, "REPORTING OF SAFEGUARDS EVENTS" AND (B) | | GENERIC LETTER 91-03, "REPORTING OF SAFEGUARDS EVENTS". THE OCCURRENCE | | WILL REMAIN ON THE OCONEE SECURITY QUARTERLY SAFEGUARDS EVENT LOG. | | | | THE LICENSEE INFORMED THE NRC REGION II SAFEGUARDS INSPECTOR (BILL | | STANSBURY) AND WILL INFORM THE RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER INFORMED THE R2DO (ROBERT HAAG). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33262 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 11/14/97 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 16:52 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 11/14/97 | +------------------------------------------------+EVENT TIME: 15:09[CST]| |NRC NOTIFIED BY: SNIDER |LAST UPDATE DATE: 12/03/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MELVYN LEACH 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 Y 0 STARTUP | 0 STARTUP | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | INADVERTENT BORON DILUTION PREVENTION SYSTEM ACTUATION DURING STARTUP | | | | DURING A UNIT STARTUP, A BORON DILUTION PREVENTION SYSTEM (BDPS) ACTUATION | | OCCURRED DUE TO A VALID SIGNAL. THE EVENT OCCURRED JUST AFTER CRITICALITY | | WHEN SOURCE RANGE COUNTS INCREASED ABOVE THE P-6 PERMISSIVE, THEN | | MOMENTARILY DECREASED BELOW THE P-6 SETPOINT, CAUSING THE PREVIOUSLY | | BLOCKED 'B' TRAIN BDPS ACTUATION LOGIC TO RESET. THE ACTUATION CAUSED | | REFUELING WATER STORAGE TANK VALVE 2CV112E TO OPEN, AND VOLUME CONTROL TANK | | VALVE 2CV112C TO CLOSE, AS DESIGNED. OPERATORS TOOK IMMEDIATE ACTION TO | | BLOCK THE BDPS AND REALIGN THE VALVES TO THEIR ORIGINAL POSITIONS. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | * * * UPDATE AT 1627 EST ON 12/03/97 BY JOHN BROWNING TO FANGIE JONES * * * | | | | THE LICENSEE IS RETRACTING THIS REPORT. THE ACTUATION OF THE BDPS WAS | | FOUND TO BE DUE TO A SPURIOUS SIGNAL AND NOT IN RESPONSE TO AN UNPLANNED | | POSITIVE REACTIVITY ADDITION. ADDITIONALLY, THE BDPS IS NOT AN ENGINEERED | | SAFETY FEATURES SYSTEM PER THE UPDATED FINAL SAFETY ANALYSIS REPORT AND AS | | SUCH IS NOT A REPORTABLE UNDER 10CFR50.72(b)(ii). | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED R3D0 (MARK RING). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33327 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 11/30/97 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 05:17 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 11/30/97 | +------------------------------------------------+EVENT TIME: 03:27[CST]| |NRC NOTIFIED BY: TOM PETELLE |LAST UPDATE DATE: 12/03/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE BURGESS 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 Y 99 POWER OPERATION | 99 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTAINMENT VENTILATION ISOLATION ACTUATION SIGNAL AND ALARM RECEIVED. | | | | THE LICENSEE RECEIVED A CONTAINMENT VENTILATION ISOLATION ACTUATION SIGNAL | | AND ALARM. IT WAS DETERMINED THAT THE 2AR012 "CONTAINMENT BUILDING FUEL | | HANDLING INCIDENT" AREA RADIATION MONITOR HAD FAILED ITS DAILY AUTO | | CHECKOUT TEST, CAUSING AN RM-11 OPERATE FAILURE WHICH GENERATED A TRAIN "B" | | CONTAINMENT ISOLATION SIGNAL. THERE WAS NO RELEASE IN PROGRESS AND ALL | | REQUIRED CONTAINMENT ISOLATION VALVES WERE CLOSED PRIOR TO THE EVENT. | | SUBSEQUENTLY, A MANUAL CHECK SOURCE WAS SUCCESSFULLY PERFORMED AND THE | | CONTAINMENT VENTILATION ISOLATION SIGNAL WAS RESET WITHOUT INCIDENT. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE OF THIS EVENT. | | | | * * * UPDATE AT 1749 EST ON 12/03/97 BY E. STEFAN TO FANGIE JONES * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON THE DETERMINATION THAT THE | | EQUIPMENT WAS ALREADY IN THE ENGINEERED SAFETY FEATURES POSITION AND THE | | INITIATING SIGNAL WAS INVALID DUE TO A FAULTY DETECTOR. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED THE R3DO (MARK RING). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33328 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 11/30/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 14:00 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 11/29/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 18:48[CST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/03/97 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |BRUCE BURGESS RDO | | DOCKET: 0707001 |FRED COMBS, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: MAURER | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |OCBA 76.120(c)(2)(i) ACCID MT EQUIP FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE HIGH PRESSURE FIRE WATER SYSTEM ADT COMPANY ALARM COMPUTER IN THE | | "C-300" BUILDING LOCKED UP. | | | | ON 11/29/97 AT 1845, THE "C-300" BUILDING ALARM COMPUTER FOR THE PLANT'S | | HIGH PRESSURE FIRE WATER SYSTEM (HPFWS) LOCKED UP. UPON DISCOVERY OF THE | | "C-300" COMPUTER MALFUNCTION, AN OPERATOR WAS DISPATCHED TO MONITOR THE | | REDUNDANT ADT COMPANY ALARM COMPUTER IN THE "C-200" BUILDING. THE SYSTEM | | ENGINEER WAS NOTIFIED AND THE "C-300" BUILDING ADT COMPANY COMPUTER WAS | | RESTORED TO OPERABLE STATUS AT 2025 ON 11/29/97. IT WAS THEN DETERMINED | | THAT FOR A PORTION OF THE ADT COMPANY ALARM OUTAGE, THE "C-300" BUILDING | | FIRE ALARM ANNUNCIATOR AND ALARM LIGHT PLATE WERE ALSO EFFECTIVELY | | DISABLED. THIS CONDITION DOES NOT MEET TSR 2.3.4.8 AND 2.4.4.5 | | REQUIREMENTS. HOWEVER, THE LICENSEE STILL HAD THE CAPABILITY TO DETERMINE | | IF HPFWS SPRINKLER SYSTEM ACTUATION OCCURRED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE 1152 EST ON 12/03/97 BY W. CAGE TO FANGIE JONES * * * | | | | THE LICENSEE IS RETRACTING THIS NOTIFICATION BASED ON A REVIEW OF THE | | SUBJECT EVENT. THE "LOCK UP" OF THE "C-300" BUILDING ALARM COMPUTER WOULD | | NOT HAVE PREVENTED THE AUTOMATIC HIGH PRESSURE FIRE WATER SYSTEM FROM | | MITIGATING A FIRE. THE ALARM COMPUTER IS USED TO ANNUNCIATE WATER FLOWS ON | | THE HIGH PRESSURE FIRE WATER SYSTEM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE OPERATIONS OFFICER | | NOTIFIED R3DO (MARK RING). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33334 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 12/02/97 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 04:59 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 12/02/97 | +------------------------------------------------+EVENT TIME: 02:41[CST]| |NRC NOTIFIED BY: TOM PETELLE |LAST UPDATE DATE: 12/03/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK RING 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 Y 99 POWER OPERATION | 99 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTAINMENT VENTILATION ISOLATION ACTUATION SIGNAL AND ALARM RECEIVED. | | | | THE LICENSEE RECEIVED A CONTAINMENT VENTILATION ISOLATION ACTUATION SIGNAL | | AND ALARM. IT WAS DETERMINED THAT THE 2AR012 (RADIATION MONITORS #11 & # | | 23) "CONTAINMENT BUILDING FUEL HANDLING INCIDENT" AREA RADIATION MONITOR | | HAD FAILED ITS DAILY AUTO CHECK SOURCE TEST; THIS GENERATED A TRAIN "B" | | CONTAINMENT ISOLATION SIGNAL. THERE WAS NO CONTAINMENT RELEASE IN PROGRESS | | AND ALL REQUIRED CONTAINMENT ISOLATION (VQ) VALVES WERE ALREADY CLOSED | | PRIOR TO THE EVENT. ATTEMPTS TO MANUALLY CHECK SOURCE THE SKID FAILED AND | | LIMITING CONDITION OF OPERATION ACTION 3.3.1-1a WAS ENTERED, WHICH REQUIRES | | THE CONTAINMENT (VQ) VALVES TO REMAIN CLOSED. THE LICENSEE IS INVESTIGATING | | THIS EVENT. | | | | THIS SAME INCIDENT OCCURRED ON 11/30/97. SEE EVENT REPORT #33327. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | * * * UPDATE AT 1749 EST ON 12/03/97 BY E. STEFAN TO FANGIE JONES * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON THE DETERMINATION THAT THE | | EQUIPMENT WAS ALREADY IN THE ENGINEERED SAFETY FEATURES POSITION AND THE | | INITIATING SIGNAL WAS INVALID DUE TO A FAULTY DETECTOR. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED THE R3DO (MARK RING). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33344 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 12/03/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 11:39 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 12/03/97 | +------------------------------------------------+EVENT TIME: 10:55[EST]| |NRC NOTIFIED BY: BOB SMITH |LAST UPDATE DATE: 12/03/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KATHLEEN MODES RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - STATE NOTIFIED OF DISCOLORATION OF INTAKE STRUCTURE DISCHARGE WATER - | | | | AT 1100 ON 12/02/97, THE LICENSEE DISCOVERED A DISCOLORATION IN THE | | DISCHARGE WATER FROM THE UNIT 3 INTAKE STRUCTURE DURING CLEANING | | OPERATIONS. THE LICENSEE TERMINATED THE CLEANING OPERATIONS AND IS | | INVESTIGATING THE CAUSE. | | | | AT 1055 ON 12/03/97, THE LICENSEE NOTIFIED THE STATE OF CONNECTICUT | | BUREAU OF WATER MANAGEMENT OF THE WATER DISCOLORATION. | | | | THIS EVENT HAS NO EFFECT ON UNITS 1 OR 2. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33345 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 12/03/97 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 15:59 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 12/03/97 | +------------------------------------------------+EVENT TIME: 12:30[EST]| |NRC NOTIFIED BY: DAN BIERBRAUER |LAST UPDATE DATE: 12/03/97 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KATHLEEN MODES 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL FOR SUPPRESSION POOL TO BE BYPASSED DURING A LOCA. | | | | FOLLOWING A GENERAL ELECTRIC PART 21 NOTIFICATION, A REVIEW OF PLANT | | PROCEDURES FOUND THAT CERTAIN PROCEDURES WOULD ALLOW FOR A DIRECT PATH TO | | EXIST BETWEEN THE DRYWELL AND TORUS. THIS DIRECT PATH COULD HAVE RESULTED | | IN BYPASSING THE SUPPRESSION POOL AND SUBSEQUENTLY OVER PRESSURIZING THE | | PRIMARY CONTAINMENT DURING A LOSS OF COOLANT ACCIDENT. | | | | THE PROCEDURES WILL BE CHANGED BEFORE THE PLANT IS STARTED UP. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | SEE SIMILAR EVENTS 33120, 33121, 33292 | +------------------------------------------------------------------------------+