U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/26/98 - 06/29/98 ** EVENT NUMBERS ** 34356 34383 34435 34437 34438 34439 34440 34441 34442 34443 34444 34445 34446 34447 34448 34449 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34356 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 06/06/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 12:03 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 06/06/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 05:50[CDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 06/28/98 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |BRUCE JORGENSEN RDO | | DOCKET: 0707001 |JOHN HICKEY, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: W. F. CAGE | | |HQ OPS OFFICER: STEVE SANDIN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |OCBA 76.120(c)(2)(i) ACCID MT EQUIP FAILS | | |OCBB 76.120(c)(2)(ii) EQUIP DISABLED/FAILS | | |OCBC 76.120(c)(2)(iii) REDUNDANT EQUIP INOP | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PARTIAL FAILURE OF PLANT AIR SYSTEM RESULTED IN THE CRITICALITY ACCIDENT | | ALARM SYSTEM BEING INOPERABLE FOR AUDIBILITY. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM PADUCAH: | | | | "ON 06/06/98 AT 0550 CDT, THE PLANT EXPERIENCED A PARTIAL FAILURE OF THE | | COMPRESSED AIR SYSTEM WHEN TWO COMPRESSORS EXPERIENCED ON-LINE TRIPS. THE | | COMPRESSORS IN THE C-335 AIR PLANT TRIPPED DUE TO A DISRUPTION OF COOLING | | WATER DURING A SPRINKLER SYSTEM ACTUATION. THE SPRINKLER SYSTEM ACTUATION | | WHICH WAS LOCATED IN C-535 SWITCHYARD ON TRANSFORMER 56 WAS CAUSED BY A | | FAULTY HEAT ACTUATED DEVICE. THE COMPRESSORS WERE IMMEDIATELY RESTARTED. | | THESE COMPRESSOR TRIPS CAUSED THE PLANT CRITICALITY ACCIDENT ALARM SYSTEM | | (CAAS) TO BECOME INOPERABLE MOMENTARILY FOR AUDIBILITY DUE TO INADEQUATE | | PLANT AIR CAPACITY TO THE CAAS ALARM HORNS. ALL FACILITIES WITH CAAS ALARM | | HORNS SUPPLIED BY PLANT AIR WERE AFFECTED. THE DETECTABILITY FUNCTION OF | | THE CAAS WAS NOT AFFECTED IN ANY FACILITY. OPERATING CONDITIONS IN THE AIR | | PLANT HAVE STABILIZED, AND THE AIR COMPRESSORS REQUIRED TO BE IN SERVICE TO | | SUPPORT CAAS OPERABILITY ARE IN SERVICE. OPERABILITY OF THE AUDIBILITY | | FUNCTION OF THE CAAS HAS BEEN FULLY RESTORED." | | | | "THIS EVENT IS SIMILAR TO EVENT NOTIFICATION WORK SHEETS 34206 (05/10/98), | | 34212 (05/11/98), 34236 (05/14/98), AND 34277 (05/21/98) PREVIOUSLY | | REPORTED." | | | | "THE INAUDIBILITY OF THE CAAS IS REPORTABLE TO THE NRC AS A 24-HOUR EVENT | | NOTIFICATION UNDER 10 CFR 76.120(c)(2)." | | | | PADUCAH PERSONNEL INFORMED THE NRC SENIOR RESIDENT INSPECTOR AND THE | | DEPARTMENT OF ENERGY SITE REPRESENTATIVE. | | | | * * * UPDATE AT 2157 EDT ON 06/28/98 FROM CAGE RECEIVED BY TROCINE * * * | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM PADUCAH: | | | | "ON 06/06/98 AT 0550 [CDT], THE PLANT EXPERIENCED A PARTIAL FAILURE OF THE | | COMPRESSED AIR SYSTEM WHEN TWO AIR COMPRESSORS TRIPPED OFF LINE. AT THE | | TIME OF THE TRIPS, THE TOTAL AIR CAPACITY WAS 15,000 SCFM. THE COMPRESSORS | | LOST ARE CREDITED WITH SUPPLYING A TOTAL OF 4,000 SCFM (2,000 SCFM EACH), | | AND THUS, THE PLANT AIR CAPACITY WAS REDUCED TO 11,000 SCFM. THIS IS 250 | | SCFM LESS THAN THE TOTAL PLANT AIR CAPACITY REQUIRED TO MAINTAIN | | OPERABILITY OF THE [CAAS] AUDIBILITY SAFETY FUNCTION." | | | | "ON 06/23/98, AN ENGINEERING NOTICE...WAS ISSUED WHICH EVALUATED THE EFFECT | | ON CAAS OPERABILITY DUE TO A REDUCTION IN PLANT AIR CAPACITY FROM 11,250 TO | | 11,000 SCFM. THE EVALUATION CONCLUDED THAT THE REDUCTION IN PLANT AIR | | CAPACITY FROM 11,250 TO 11,000 SCFM WOULD NOT PRECLUDE THE PLANT AIR SYSTEM | | [FROM] PROVIDING THE REQUIRED MOTIVE FORCE TO THE CAAS NECESSARY FOR IT TO | | PERFORM ITS INTENDED SAFETY FUNCTION." | | | | "THUS, THE CAAS WAS NOT DISABLED AND REMAINED OPERABLE DURING THE LOSS OF | | THE TWO SUBJECT AIR COMPRESSORS. GIVEN THIS, THE...REPORTING CRITERIA WAS | | NOT MET, AND THE NOTIFICATION IS BEING RETRACTED." | | | | PADUCAH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | OFFICER NOTIFIED THE R3DO (JORDAN) AND NMSS EO (WEBER). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 34383 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: NOSAG PRODUCTS CORP |NOTIFICATION DATE: 06/10/98 | | CITY: KENDALLVILLE REGION: 3 |NOTIFICATION TIME: 18:39 [ET]| | COUNTY: STATE: IN |EVENT DATE: 06/10/98 | |LICENSE#: AGREEMENT: N |EVENT TIME: : [EDT]| | DOCKET: |LAST UPDATE DATE: 06/26/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JIM MCCORMICK-BARGER RDO | | |JOE HOLONICH/NMSS EO | +------------------------------------------------+MADERA REG3 | |NRC NOTIFIED BY: MESSERSMITH |BARRETT AND MARTIN AEOD | |HQ OPS OFFICER: CHAUNCEY GOULD |FEMA, DOE, USDA, HHS FAX | +------------------------------------------------+EPA, DOT (VIA NRC) FAX | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | |NOCM COMM ASST BRIEF | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF STEEL CONTAMINATED WITH COBALT-60 | | | | THE INDIANA DEPARTMENT OF HEALTH REPORTED THAT SOME COBALT-60 CONTAMINATED | | STEEL WAS LOCATED AT A COMPANY IN KENDALLVILLE, INDIANA, WHICH MAKES STEEL | | PARTS FOR RECLINER CHAIRS. NOSAG PRODUCTS CORPORATION HAS BOTH COILED | | STEEL, THE STAMPED PRODUCT, AND SCRAP STEEL AT ITS SITE THAT WAS READING | | APPROXIMATELY 20 MICRO R/HOUR. THE STEEL WAS SUPPLIED BY KASLE STEEL IN | | DEARBORN MICHIGAN. NOSAG HAS ISOLATED THE STEEL PRODUCTS AT ITS FACILITY. | | | | * * * UPDATE AT 1400 ON 06/26/98 BY TROCINE * * * | | | | AT 1400 ON 06/26/98, A COMMISSIONERS' ASSISTANTS BRIEFING WAS CONDUCTED. | | THE FOLLOWING NOTIFICATIONS WERE MADE (* OFFICE DID NOT PARTICIPATE): AEOD | | (*MARTIN), AEOD IRD (*RUBIN), CHAIRMAN JACKSON (*BROWN), COMMISSIONER DICUS | | (LUBENAU), COMMISSIONER DIAZ (CASTLEMAN), COMMISSIONER McGAFFIGAN | | (SCHLUETER), EDO (*KUZO), DEDE (MITCHELL), NMSS EO (*PICCONE), NMSS | | (*DECICCO), R3DO (*JORDAN), REGION 3 (MADERA), PAO (HAYDEN), CAO (*MADDEN), | | SECY (NAME NOT AUDIBLE), SP (DROGGITIS), IP (FOWLER), OGC (LEWIS), AND NMSS | | BRIEFER (MOORE). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34435 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DAVIS BESSE REGION: 3 |NOTIFICATION DATE: 06/24/98 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 21:37 [ET]| |RX TYPE: [1] B&W-R-LP |EVENT DATE: 06/24/98 | +------------------------------------------------+EVENT TIME: 21:18[EDT]| |NRC NOTIFIED BY: MCGEE |LAST UPDATE DATE: 06/26/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: ALERT +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN/REG 3 RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |LEDYARD MARSH/NRR EO | |NOCM COMM ASST BRIEF |STUART RUBIN/AEOD IRD | | |TIM MARTIN/AEOD ET | | |CARL PAPERIELLO/REG3 RA | | |JANET QUISSELL/AEOD RCT | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 99 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TURBINE TRIP/REACTOR CAUSED BY LOSS OF OFFSITE POWER | | | | LIGHTNING STRIKES WERE SEEN IN THE SWITCHYARD. THE LICENSEE STARTED BOTH | | EMERGENCY DIESEL GENERATORS. AT 2047, A TURBINE TRIP/REACTOR TRIP OCCURRED | | DUE TO LOSS OF OFFSITE POWER. A TORNADO ONSITE DAMAGED THE ELECTRICAL | | SWITCHYARD, THE COOLING TOWER, AND THE TURBINE BUILDING. THE LICENSEE | | DECLARED AN ALERT AT 2118. THE PLANT IS ON NATURAL CIRCULATION WITH | | AUXILIARY FEEDWATER SUPPLYING EMERGENCY FEEDWATER TO THE ONCE THROUGH STEAM | | GENERATORS. | | | | THE NRC ENTERED STANDBY AT 2201 ON 06/24/98. | | | | * * * UPDATE AT 0001 ON 06/25/98 * * * | | | | A COMMISSIONER'S ASSISTANTS BRIEFING WAS HELD AT 0001 ON 06/24/98. (REFER | | TO THE HOO LOG FOR PARTICIPANTS.) | | | | * * * UPDATE AT 0211 ON 06/25/98 * * * | | | | THE NRC DOWNGRADED THE AGENCY'S RESPONSE TO THE MONITORING PHASE OF NORMAL | | MODE AT 0211 ON 06/25/98. | | | | * * * UPDATE AT 0800 ON 06/25/98 * * * | | | | A COMMISSIONER'S ASSISTANTS BRIEFING WAS HELD AT 0800 ON 06/25/98. (REFER | | TO THE HOO LOG FOR PARTICIPANTS.) | | | | * * * UPDATE AT 1500 ON 06/25/98 BY TROCINE * * * | | | | IN ADDITION TO THE NOTIFICATIONS REFERENCED ABOVE, THE FOLLOWING NRC | | REPRESENTATIVES WERE NOTIFIED: RESIDENT INSPECTOR (CAMPBELL); REGION 3 | | (BURGESS, CALDWELL, CANIANO, GROBE, AND KOZAK); PUBLIC AFFAIRS OFFICE | | (BEECHER), AND CHAIRMAN JACKSON'S OFFICE (VIRGILIO). THE FOLLOWING | | AGENCIES WERE ALSO NOTIFIED: STATE OF OHIO (STEVE HORNUNG); FEDERAL | | EMERGENCY MANAGEMENT AGENCY (CALDWELL); DEPARTMENT OF ENERGY (TOM TANNER); | | ENVIRONMENTAL PROTECTION AGENCY (NAME NOT PROVIDED); DEPARTMENT OF HEALTH | | AND HUMAN SERVICES (JIM RABB); U.S. DEPARTMENT OF AGRICULTURE (GEORGE | | BICKERTON); WHITE HOUSE SIT ROOM (DUTY OFFICER); STATE DEPARTMENT (DERRICH | | OLSON); EMERGENCY PREPAREDNESS CANADA (DUTY OFFICER); ATOMIC ENERGY CONTROL | | BOARD OF CANADA (BODEIN, SUSAN COPLAND, AND BILL WHITEHEAD); AND | | INTERNATIONAL ATOMIC ENERGY AGENCY (CARLOS NOGUEIRE DE OLIVEIRA). | | | | * * * UPDATE AT 0540 ON 06/26/98 FROM ERIC WEINSTEIN (RCT) TO SANDIN * * * | | | | THE LICENSEE EXITED TECHNICAL SPECIFICATION 3.0.3 AND DOWNGRADED THE ALERT | | TO AN UNUSUAL EVENT AT 0200 ON 06/26/98 BASED ON RESTORING ONE SOURCE OF | | OFFSITE POWER WITH ANOTHER SOURCE AVAILABLE ONSITE (EMERGENCY DIESEL | | GENERATOR #1). | | | | THE NRC OPERATIONS OFFICER NOTIFIED THE FOLLOWING NRC REPRESENTATIVES: NRR | | EO (DENNIG), R3DO (JORDAN), AEOD IRD (RUBIN), CHAIRMAN JACKSON'S OFFICE | | (VIRGILIO), EDO'S OFFICE (HILTZ), AND PUBLIC AFFAIRS OFFICE (GILLILAND). | | | | * * * UPDATE AT 1330 ON 06/26/98 BY TROCINE * * * | | | | THE NRC EXITED THE MONITORING PHASE OF NORMAL MODE AT 1330 ON 06/26/98. | | | | * * * UPDATE AT 1405 ON 06/26/98 FROM JOE STURDAVANT TO TROCINE * * * | | | | THE LICENSEE TERMINATED THE UNUSUAL EVENT AT 1358 ON 06/26/98 BASED ON TWO | | TRAINS OF OFFSITE POWER BEING PLACED BACK IN SERVICE AT 1131 ON 06/26/98. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND PLANS TO NOTIFY THE | | NRC REGION 3 INCIDENT RESPONSE CENTER. STATE AND LOCAL NOTIFICATIONS ARE | | CURRENTLY IN PROGRESS. | | | | THE NRC OPERATIONS OFFICER NOTIFIED THE FOLLOWING NRC REPRESENTATIVES: NRR | | EO (DENNIG), R3DO (JORDAN), AEOD IRD (RUBIN), REGION 3 (CLAYTON) CHAIRMAN | | JACKSON'S OFFICE (VIRGILIO), EDO'S OFFICE (HILTZ), AND PUBLIC AFFAIRS | | OFFICE (GILLILAND). THE FOLLOWING AGENCIES WERE ALSO NOTIFIED: FEDERAL | | EMERGENCY MANAGEMENT AGENCY (DON REICH), DEPARTMENT OF ENERGY (SHAWN | | MYERS), ENVIRONMENTAL PROTECTION AGENCY (EVERETT), DEPARTMENT OF HEALTH AND | | HUMAN SERVICES (BARBARA SNOW), U.S. DEPARTMENT OF AGRICULTURE (GEORGE | | BICKERTON), WHITE HOUSE SIT ROOM (BONNIE GLIEK), STATE DEPARTMENT (JIM | | DEHART), EMERGENCY PREPAREDNESS CANADA (ROGERS), ATOMIC ENERGY CONTROL | | BOARD OF CANADA (YVON BOOWRE AND BILL WHITEHEAD), AND INTERNATIONAL ATOMIC | | ENERGY AGENCY (NAME NOT PROVIDED). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34437 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DAVIS BESSE REGION: 3 |NOTIFICATION DATE: 06/25/98 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 20:20 [ET]| |RX TYPE: [1] B&W-R-LP |EVENT DATE: 06/25/98 | +------------------------------------------------+EVENT TIME: 20:13[EDT]| |NRC NOTIFIED BY: GERALD WOLF |LAST UPDATE DATE: 06/26/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |ADEV 50.72(b)(1)(i)(B) DEVIATION FROM T SPEC |LEDYARD (TAD) MARSH EO | |NLCO TECH SPEC LCO A/S |STUART RUBIN, AEOD IRD | | |THOMAS HILTZ EDO | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 HOT STANDBY | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION DEVIATION - 10 CFR 50.54(X) | | | | AT 1313 ON 06/25/98, ONE OF TWO OPERATING EMERGENCY DIESEL GENERATORS (#1) | | WAS DECLARED INOPERABLE DUE TO ELEVATED ROOM TEMPERATURES. THE OTHER | | EMERGENCY DIESEL GENERATOR (#2) REMAINED OPERABLE, BUT THE SITE IS STILL | | WITHOUT OFFSITE POWER. (REFER TO RELATED EN 34435.) | | | | AT 1313, TEMPERATURE FOR THE #1 EMERGENCY DIESEL GENERATOR ROOM WAS 2øF | | ABOVE THE MAXIMUM ROOM TEMPERATURE LIMIT OF 120øF, AND THE OUTSIDE AIR | | TEMPERATURE WAS APPROXIMATELY 97øF. THE TEMPERATURE IN THE #2 EMERGENCY | | DIESEL GENERATOR ROOM WAS CLOSE TO THE LIMIT, BUT IT WAS SLIGHTLY LOWER | | THAN THE LIMIT. THE LICENSEE STATED THAT CURRENT ROOM TEMPERATURES ARE NOT | | EXPECTED TO INCREASE DUE TO THE LATENESS OF THE HOUR (2020). | | | | TECHNICAL SPECIFICATION 3.0.3 REQUIRED THE LICENSEE TO PLACE THE UNIT IN | | MODE 4 (HOT SHUTDOWN) FROM MODE 3 (HOT STANDBY) WITHIN 7 HOURS [TO REDUCE | | THE ROOM TEMPERATURE BELOW THE LIMIT WITHIN 1 HOUR OR TO PLACE THE UNIT IN | | MODE 4 WITHIN THE FOLLOWING 6 HOURS (BY 2013)]. HOWEVER, BECAUSE THE UNIT | | IS IN NATURAL CIRCULATION (DUE TO THE LOSS OF OFFSITE POWER), THE COOLDOWN | | IS LIMITED TO 10øF PER HOUR, AND MODE 4 WAS NOT ACHIEVED WITHIN 7 HOURS. | | | | THE LICENSEE STATED THAT THERE IS A CHANCE THAT NATURAL CIRCULATION COOLING | | COULD BE LOST IF THIS 10øF-PER-HOUR COOLDOWN RATE IS INCREASED. THERE IS | | NO FORCED CIRCULATION COOLING AT THIS TIME DUE TO THE LOSS OF OFFSITE | | POWER. THE LICENSEE IS CURRENTLY ATTEMPTING TO RESTORE OFFSITE POWER (ONE | | CIRCUIT). | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 0015 ON 06/26/98 FROM WOLF TO TROCINE * * * | | | | THE FOLLOWING INFORMATION WAS REQUESTED BY THE R3DO (JORDAN) FOR | | CLARIFICATION: | | | | * THROUGHOUT THE AFTERNOON, TEMPERATURES IN THE #1 EMERGENCY DIESEL | | GENERATOR ROOM WENT ABOVE AND BELOW THE TEMPERATURE LIMIT. HOWEVER, THE | | EXACT ROOT CAUSE FOR THE ELEVATED TEMPERATURES WAS NOT KNOWN, AND THE | | LICENSEE OPTED TO KEEP THE #1 EMERGENCY DIESEL GENERATOR IN AN | | INOPERABLE STATUS. (BOTH EMERGENCY DIESEL GENERATORS WERE RUNNING.) | | | | * ONE CIRCUIT OF OFFSITE POWER WAS RESTORED, AND THE EMERGENCY DIESEL | | GENERATORS HAVE SINCE BEEN SECURED. (OFFSITE POWER TO THE 'A' AND 'B' | | BUSES WAS RESTORED AT 2020 ON 06/25/98.) | | | | * * * UPDATE AT 0117 ON 06/26/98 FROM KENNEDY TO TROCINE * * * | | | | THE FOLLOWING INFORMATION WAS REQUESTED BY THE R3DO (JORDAN) FOR | | CLARIFICATION: | | | | * AT THE TIME OF THE EVENT NOTIFICATION (2020 ON 06/25/98), TEMPERATURE IN | | THE #1 EMERGENCY DIESEL GENERATOR ROOM WAS 108øF. TEMPERATURE IN THIS | | ROOM WAS 109øF AT 1925 ON 06/25/98.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 34438 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: LEXALITE INTERNATIONAL CORPORATION |NOTIFICATION DATE: 06/26/98 | | CITY: CHARLEVIOX REGION: 3 |NOTIFICATION TIME: 13:27 [ET]| | COUNTY: CHARLEVIOX STATE: MI |EVENT DATE: 06/25/98 | |LICENSE#: AGREEMENT: N |EVENT TIME: 17:00[EDT]| | DOCKET: |LAST UPDATE DATE: 06/26/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |MIKE JORDAN RDO | | |JOSEPHINE PICCONE EO | +------------------------------------------------+STUART RUBIN, AEOD IRD | |NRC NOTIFIED BY: SCOTT WALKER |FEMA, DOE, USDA, HHS FAX | |HQ OPS OFFICER: LEIGH TROCINE |EPA, DOT (VIA NRC) FAX | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY THAT A DESTAT GUN CONTAINING A POLONIUM-210 SOURCE WAS MISSING | | FROM LEXALITE INTERNATIONAL CORPORATION LOCATED IN CHARLEVIOX, MICHIGAN | | | | AT 1700 ON 06/25/98, THE LICENSEE DISCOVERED THAT A DESTAT GUN CONTAINING A | | 10-MILLICURIE POLONIUM-210 SOURCE WAS MISSING FROM AN OPERATOR WORK | | STATION. THE LICENSEE BELIEVES THAT THIS PORTABLE HAND-HELD GUN (WHICH HAS | | A QUICK DISCONNECT) MAY HAVE BEEN STOLEN APPROXIMATELY 3 WEEKS AGO BY A | | DISGRUNTLED EMPLOYEE WHO HAD BEEN TERMINATED. | | | | THE LICENSEE STATED THAT THE SOURCE WAS THE SIZE OF THE TIP OF A THUMB | | NAIL. THE DESTAT GUN WAS USED TO REDUCE STATIC ON MOLDED PLASTIC PARTS | | DURING THE MANUFACTURING PROCESS. THE GUN (MODEL #P25021 AND SERIAL | | #101366) WAS MANUFACTURED BY NRD INCORPORATED, AND NRD INCORPORATED | | PERSONNEL TOLD THE LICENSEE THAT DOSE RATES FROM THE POLONIUM-210 SOURCE | | WOULD BE ZERO AND THAT RADIATION FROM THE SOURCE COULD BE SHIELDED WITH A | | PIECE OF PAPER. | | | | THE LICENSEE PLANS TO SEND A LETTER TO THE NRC REGION 3 OFFICE. (REFER TO | | THE HOO LOG FOR A CONTACT TELEPHONE NUMBER.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34439 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DAVIS BESSE REGION: 3 |NOTIFICATION DATE: 06/26/98 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 14:05 [ET]| |RX TYPE: [1] B&W-R-LP |EVENT DATE: 06/26/98 | +------------------------------------------------+EVENT TIME: 12:40[EDT]| |NRC NOTIFIED BY: JOE STURDAVANT |LAST UPDATE DATE: 06/26/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 HOT STANDBY | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF A STATION VENTILATION RADIATION MONITOR WHEN THE REDUNDANT | | MONITOR WAS OUT OF SERVICE FOR TESTING | | | | AT 1240 ON 06/26/98, RADIATION MONITOR #RE4598BA FAILED WHEN RADIATION | | MONITOR #RE4598AA WAS OUT OF SERVICE FOR TESTING. (THESE ARE STATION | | VENTILATION RADIATION MONITORS THAT WOULD PROVIDE INDICATION OF A RADIATION | | RELEASE FROM THE STATION VENT.) AS A RESULT, NORMAL CONTROL ROOM | | VENTILATION WOULD NOT AUTOMATICALLY SHUT DOWN ON HIGH RADIATION IN THE | | STATION VENT, AND THE CONTROL ROOM OPERATORS WOULD NOT HAVE RECEIVED AN | | ALARM. IT IS POSSIBLE THAT, WITHOUT PROPER ISOLATION OF NORMAL VENTILATION, | | THE CONTROL ROOM EMERGENCY VENTILATION SYSTEM WOULD NOT BE ABLE TO MAINTAIN | | POSITIVE PRESSURE. ACCORDINGLY, THE LICENSEE MANUALLY INITIATED THE | | CONTROL ROOM EMERGENCY VENTILATION SYSTEM. | | | | AT 1332, THE LICENSEE COMMENCED A UNIT COOLDOWN FROM MODE 3 (HOT STANDBY) | | TO MODE 4 (HOT SHUTDOWN) IN ACCORDANCE WITH TECHNICAL SPECIFICATION (TS) | | 3.0.3, AND THE UNIT IS REQUIRED TO BE IN MODE 4 WITHIN 6 HOURS IF ONE OF | | THE RADIATION MONITORS IS NOT RESTORED TO SERVICE WITHIN THIS 6-HOUR TIME | | PERIOD. THE LICENSEE IS CURRENTLY WORKING ON THE RADIATION MONITORS. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1657 ON 06/26/98 FROM FRED CONN TO TROCINE * * * | | | | RADIATION MONITOR #RE4598BA WAS RETURNED TO SERVICE AT 1500. ACCORDINGLY, | | TS 3.0.3 WAS EXITED, AND THE UNIT COOLDOWN WAS TERMINATED. | | | | THE NRC OPERATIONS CENTER NOTIFIED THE R3DO (JORDAN). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34440 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 06/26/98 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 16:35 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/26/98 | +------------------------------------------------+EVENT TIME: 15:55[EDT]| |NRC NOTIFIED BY: JOHN A. MERCURIO |LAST UPDATE DATE: 06/26/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP RDO | |AESS 50.72(b)(1)(v) EMERGENCY SIREN INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 98 POWER OPERATION | 98 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF GREATER THAN 10% OF THE EMERGENCY SIRENS DUE TO SEVERE WEATHER | | | | AT 1555 ON 6/26/98, A LOSS OF GREATER THAN 10% OF EMERGENCY SIRENS WAS | | VERIFIED. A TOTAL OF 33 OF 165 SIRENS EXIBITED LOSS OF AC POWER DUE TO | | SEVERE WEATHER IN THE AREA. POWER IS CURRENTLY BEING RESTORED TO THESE 33 | | SIRENS. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34441 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 06/26/98 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 16:35 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/26/98 | +------------------------------------------------+EVENT TIME: 14:28[EDT]| |NRC NOTIFIED BY: JOHN A. MERCURIO |LAST UPDATE DATE: 06/26/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP 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 98 POWER OPERATION | 98 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL 'B' CHANNEL NUCLEAR STEAM SUPPLY SHUTOFF SYSTEM (NSSSS) ISOLATIONS | | DUE TO WEATHER-RELATED LOW DIFFERENTIAL PRESSURE IN THE SECONDARY | | CONTAINMENT | | | | AT 1428 ON 06/26/98, LIMERICK GENERATING STATION PERSONNEL MANUALLY | | INITIATED UNIT 2 'B' CHANNEL GROUP 6A, 6B, 7A, AND 7B NSSSS ISOLATIONS FROM | | THE MAIN CONTROL ROOM. THE MANUAL ISOLATION WAS INITIATED IN ACCORDANCE | | WITH ALARM RESPONSE CARD ARC-MCR-219 (B-3) FOR LOW DIFFERENTIAL PRESSURE IN | | THE SECONDARY CONTAINMENT. | | | | A STORM PASSING OVER THE STATION PRODUCED WIND GUSTS IN EXCESS OF 55 MILES | | PER HOUR AND RESULTED IN LARGE DIFFERENTIAL PRESSURE SWINGS IN THE UNIT 2 | | SECONDARY CONTAINMENT. WHEN UNIT 2 SECONDARY CONTAINMENT DIFFERENTIAL | | PRESSURE BECAME POSITIVE, THE MANUAL ISOLATION WAS INITIATED. THE GROUP 7A | | AND 7B ISOLATIONS WERE RESET AT 1457. THE 6A AND 6B ISOLATIONS CONTINUE TO | | MAINTAIN PROPER UNIT 2 SECONDARY CONTAINMENT DIFFERENTIAL PRESSURE. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34442 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 06/26/98 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 19:14 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 06/26/98 | +------------------------------------------------+EVENT TIME: 10:44[CDT]| |NRC NOTIFIED BY: JOHN HOPMAN |LAST UPDATE DATE: 06/27/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MAJOR LOSS OF ASSESSMENT, RESPONSE, OR COMMUNICATIONS CAPABILITIES DUE TO | | SAFETY PARAMETER DISPLAY SYSTEM (SPDS) BEING INOPERABLE FOR GREATER THAN | | 8 HOURS | | | | DURING PERFORMANCE OF PROCEDURE LTS-500-109, UNIT 1 DIVISION 1 RESPONSE | | TIME TEST, THE UNIT 2 HONEYWELL PROCESS COMPUTER (WHICH WAS TEMPORARILY | | BEING POWERED FROM A UNIT 1 DIVISION 1 POWER SOURCE -- AN ALTERNATE POWER | | SOURCE) TEMPORARILY LOST POWER. THIS COMPUTER INPUTS TO SPDS. WHEN POWER | | WAS RESTORED, THE INPUTS TO SPDS WERE NON-FUNCTIONAL. ACTIONS ARE BEING | | TAKEN BY MANAGEMENT INFORMATION SYSTEMS PERSONNEL TO RESTORE THIS FUNCTION. | | | | THE LICENSEE STATED THAT NORMAL CONTROL ROOM ALARM FUNCTIONS WERE OPERABLE | | AT THE TIME OF THIS NOTIFICATION. THE LICENSEE ALSO STATED THAT THERE WERE | | OTHER PROBLEMS DURING PERFORMANCE OF THE RESPONSE TIME TEST BUT THAT NONE | | OF THESE PROBLEMS WERE REPORTABLE OR RELATED TO THIS PROBLEM. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE ON 06/27/98 AT 0449 FROM BLUNK TO GOULD * * * | | | | SPDS WAS RESTORED AT 1924 CDT ON 06/26/98. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. THE R3DO (JORDAN) | | WAS NOTIFIED BY THE NRC OPERATIONS OFFICER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34443 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 06/26/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 19:30 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 06/26/98 | +------------------------------------------------+EVENT TIME: 14:50[CDT]| |NRC NOTIFIED BY: DAVID SCHMIDT |LAST UPDATE DATE: 06/26/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TRIPPING OF THE REFRIGERATION CONDENSING UNIT DUE TO A LOSS OF CONDENSING | | COOLING DURING PERFORMANCE OF A SURVEILLANCE TEST | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "WHILE PERFORMING SURVEILLANCE [PROCEDURE] QCOS-5750-02, CONTROL ROOM | | EMERGENCY VENTILATION SYSTEM MONTHLY OPERABILITY RUN, THE REFRIGERATION | | CONDENSING UNIT (RCU) TRIPPED DUE TO LOSS OF CONDENSING COOLING. THE CAUSE | | OF THE LOSS OF COOLING WAS THE PREMATURE SECURING OF THE RUNNING RESIDUAL | | HEAT REMOVAL SERVICE WATER (RHRSW) PUMP BEING UTILIZED IN ACCORDANCE WITH | | THE PROCEDURE. THE RHRSW PUMP WAS BEING USED IN LIEU OF THE NORMAL WATER | | SUPPLY. THE EVENT IS BEING INVESTIGATED AT THIS TIME TO DETERMINE THE | | BASIS FOR SECURING THE RHRSW PUMP PRIOR TO COMPLETION OF THE SURVEILLANCE." | | | | "THE RCU IS READY FOR A RESTART AT THIS TIME AND WILL BE RUN FOR AN | | ADDITIONAL 10 HOURS PRIOR TO DECLARING IT OPERABLE. THIS PLACES BOTH UNITS | | IN DAY 1 OF [A] 30[-DAY LIMITING CONDITION FOR OPERATION (LCO)] PER | | [TECHNICAL SPECIFICATION] 3.8.D.1.b. THE LCO WILL BE EXITED UPON | | SUCCESSFUL COMPLETION OF THE ADDITIONAL SURVEILLANCE [TEST]." | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34444 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NORTH ANNA REGION: 2 |NOTIFICATION DATE: 06/27/98 | |UNIT: [1] [2] [ ] STATE: VA |NOTIFICATION TIME: 08:12 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 06/27/98 | +------------------------------------------------+EVENT TIME: 07:28[EDT]| |NRC NOTIFIED BY: MOSHER |LAST UPDATE DATE: 06/27/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES OGLE RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | INOPERABLE SAFETY PARAMETER DISPLAY SYSTEM (SPDS) | | | | THE PLANT'S SPDS WAS INOPERABLE FOR MORE THAN 1 HOUR DUE TO A COMPUTER | | FAILURE. MAINTENANCE PERSONNEL ARE CURRENTLY WORKING ON THE SPDS | | COMPUTERS. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34445 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 06/27/98 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 21:06 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 06/27/98 | +------------------------------------------------+EVENT TIME: 17:11[CDT]| |NRC NOTIFIED BY: DAVID SCHMIDT |LAST UPDATE DATE: 06/27/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR SCRAM DUE TO ACTUATION OF A SCRAM DISCHARGE VOLUME LEVEL | | SWITCH DURING PERFORMANCE OF TESTING ON ANOTHER CHANNEL | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "WHILE PERFORMING [PROCEDURE] QCIS-700-7 AVERAGE POWER RANGE MONITOR (APRM) | | NEUTRON MONITOR POWER WEEKLIES ON REACTOR PROTECTION SYSTEM CHANNEL 'A,' A | | HALF SCRAM SIGNAL WAS INSERTED AS REQUIRED BY PROCEDURE. SIMULTANEOUSLY ON | | RPS CHANNEL 'B,' A SCRAM DISCHARGE VOLUME (SDV) LEVEL SWITCH ACTUATED | | COMPLETING A FULL SCRAM. AS A RESULT OF THE SCRAM FROM 100% POWER, REACTOR | | PRESSURE VESSEL LEVEL DROPPED BELOW THE ACTUATION POINT FOR PRIMARY | | CONTAINMENT ISOLATION (PCI) GROUP 2 AND GROUP 3 LOGIC." PCI GROUP 2 | | INCLUDES LOW PRESSURE, VENTILATION, AND SAMPLING SYSTEMS CONNECTED TO THE | | CONTAINMENT VOLUME (NOT SPECIFICALLY CONNECTED TO THE REACTOR PRESSURE | | VESSEL); AND GROUP 3 INVOLVES THE REACTOR WATER CLEANUP SYSTEM. REACTOR | | VESSEL LEVEL REACHED -10 INCHES (SLIGHTLY BELOW NORMAL RANGE) DURING THE | | INITIAL TRANSIENT DUE TO THE LOSS OF VOIDING IN THE CORE FROM THE DECREASE | | IN POWER, AND LEVEL STABILIZED AT ITS NORMAL LEVEL SHORTLY THEREAFTER. | | THERE WERE NO EMERGENCY CORE COOLING SYSTEM ACTUATIONS, AND NONE WERE | | REQUIRED. THE MAIN STEAM ISOLATION VALVES DID NOT CLOSE, AND NONE OF THE | | SAFETY RELIEF VALVES LIFTED. | | | | "TWO CONTROL RODS DID NOT INITIALLY INDICATE FULLY INSERTED; ONE OF WHICH | | APPEARS TO HAVE BEEN A STUCK REED SWITCH WHICH CORRECTED ITSELF AND ONE AT | | POSITION 02 WHICH WAS MANUALLY INSERTED THE REMAINING NOTCH. ALL OTHER | | SYSTEMS FUNCTIONED AS DESIGNED." | | | | "THE CAUSE OF THE [REACTOR] SCRAM IS BEING CONFIRMED BY INVESTIGATION. THE | | CAUSE OF THE SDV LEVEL SWITCH ACTUATION IS ALSO UNDER INVESTIGATION. THE | | UNIT IS STABLE AND IS CURRENTLY BEING MAINTAINED IN HOT SHUTDOWN FOR | | RESTART AFTER COMPLETION OF INVESTIGATION AND CORRECTIVE ACTION." | | | | THE CONDENSER IS CURRENTLY AVAILABLE AS THE HEAT SINK, AND THE TURBINE | | BYPASS VALVES AND NORMAL CONDENSATE AND FEEDWATER ARE BEING UTILIZED FOR | | REACTOR VESSEL PRESSURE AND LEVEL CONTROL. CONTAINMENT PARAMETERS ARE | | ACTING AS EXPECTED, AND THERE ARE NO INDICATIONS OF ANY PROBLEMS. THERE | | ARE NO EMERGENCY SYSTEMS IN USE AT THIS TIME. OFFSITE POWER IS AVAILABLE, | | THE THE EMERGENCY CORE COOLING SYSTEMS AND EMERGENCY DIESEL GENERATORS ARE | | OPERABLE AND AVAILABLE IF NEEDED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34446 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 06/28/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 02:01 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 06/27/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 17:39[CDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 06/28/98 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |MIKE JORDAN RDO | | DOCKET: 0707001 |MICHAEL WEBER, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: CAGE | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |OCBA 76.120(c)(2)(i) ACCID MT EQUIP FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF CRITICALITY ACCIDENT ALARM SYSTEM (CAAS) CLUSTERS DUE TO A | | TRIPPED BREAKER (24-HOUR REPORT) | | | | A 48-VOLT DC CIRCUIT BREAKER IN THE 'C-300' 'B' RADIATION ALARM CABINET | | TRIPPED. THE CIRCUIT BREAKER (RA-5) PROVIDED POWER TO THE CAAS CLUSTERS IN | | THE 'C-333,' 'C-333A,' 'C-337,' 'C-360,' 'C-710,' AND 'C-746Q' FACILITIES. | | AS A RESULT OF THIS POWER FAILURE, CAAS AUDIBILITY WAS LOST IN ALL THE | | FACILITIES EXCEPT 'C-710,' WHICH WAS UNDER A LIMITING CONDITION FOR | | OPERATION (LCO) FOR AUDIBILITY AT THE TIME THE BREAKER TRIPPED. THIS | | BREAKER TRIP DID NOT AFFECT THE DETECTABILITY OF THE CAAS CLUSTERS IN THE | | FACILITIES. MAINTENANCE ACTIVITIES WERE IN PROGRESS IN THE 'C-300' 'B' | | RADIATION ALARM ANNUNCIATOR CABINET TO CONNECT AN ADDITION TO THE CAAS | | SYSTEM IN FACILITY 'C-710' AT THE TIME OF THE TRIP. THESE ACTIVITIES | | INCLUDED CONNECTIONS TO THE CIRCUIT FED BY CIRCUIT BREAKER 'RA-5.' BREAKER | | 'RA-5' WAS RECLOSED, AND POWER WAS RESTORED AT 1741 CDT. FURTHER | | INVESTIGATION INTO THE EVENT IS IN PROGRESS. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY PADUCAH PERSONNEL. | | | | * * * UPDATE AT 2157 EDT ON 06/28/98 FROM CAGE RECEIVED BY TROCINE * * * | | | | AT 1739 CDT ON 06/27/98, WHEN THE 48-VOLT DC BREAKER TRIPPED, THE 'C-710' | | FACILITY WAS NOT UNDER A CAAS LCO FOR AUDIBILITY. THE CAAS SYSTEM IN THE | | 'C-710' FACILITY HAD BEEN DECLARED OPERABLE AT 1632 CDT. THEREFORE, CAAS | | AUDIBILITY WAS LOST IN THE 'C-710' FACILITY AS WELL AS IN THE 'C-333,' | | 'C-333A,' 'C-337,' 'C-360,' AND 'C-746Q' FACILITIES. | | | | PADUCAH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | OFFICER NOTIFIED THE R3DO (JORDAN) AND NMSS EO (WEBER). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34447 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 06/28/98 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 04:52 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 06/28/98 | +------------------------------------------------+EVENT TIME: 02:23[CDT]| |NRC NOTIFIED BY: NOHR |LAST UPDATE DATE: 06/28/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR SCRAM FROM 100% POWER DUE TO A LIGHTNING STRIKE | | DURING ADVERSE WEATHER CONDITIONS. | | | | UNIT 2 RECEIVED A FULL REACTOR SCRAM DUE TO AN APPARENT LIGHTNING STRIKE. | | ALL CONTROL RODS FULLY INSERTED, NO SAFETY INJECTION OCCURRED, AND NO | | SAFETY RELIEF VALVES LIFTED. AS A RESULT OF THE SCRAM, REACTOR VESSEL | | WATER LEVEL DROPPED BELOW THE ACTUATION POINT (+8") FOR THE LOGIC OF | | PRIMARY CONTAINMENT ISOLATION GROUPS 2 AND 3. REACTOR VESSEL WATER LEVEL | | WAS RESTORED WITHIN MINUTES. ABNORMAL PROCEDURES WERE ENTERED, AND | | RECOVERY IS IN PROGRESS. THE UNIT IS STABLE, AND THE CONDENSER IS BEING | | USED AS THE HEAT SINK. INVESTIGATION INTO THE SPECIFIC CAUSE OF THE SCRAM | | IS IN PROGRESS. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34448 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 06/29/98 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 00:45 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 06/28/98 | +------------------------------------------------+EVENT TIME: 20:00[CDT]| |NRC NOTIFIED BY: HOLMES |LAST UPDATE DATE: 06/29/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BILL JONES RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HPCI WAS DECLARED INOPERABLE DUE TO SPIKING FLOW CONTROLLER | | | | WHILE PERFORMING PANEL TOURS, THE CONTROL ROOM OPERATOR NOTED THAT THE | | DEVIATION METER AND OUTPUT METER ON THE HPCI FLOW CONTROLLER WERE | | OSCILLATING. BASED ON THE POTENTIAL FOR THIS CONDITION TO IMPACT THE SPEED | | AND FLOW OF THE HPCI PUMP, HPCI WAS DECLARED INOPERABLE AT 2000 CDT. ADS | | HAS BEEN DEMONSTRATED TO BE OPERABLE, AND RCIC, LPCI, AND CORE SPRAY | | VERIFIED OPERABLE, AS REQUIRED BY TECHNICAL SPECIFICATION 4.5.C.2. THIS | | PLACES THE PLANT IN A 7 DAY ACTION STATEMENT TO REPAIR OR SHUT DOWN. | | PRELIMINARY TROUBLESHOOTING BY I&C PERSONNEL INDICATE THE PROBLEM IS WITH | | THE FLOW METER CONTROLLER. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34449 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 06/29/98 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 05:25 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/29/98 | +------------------------------------------------+EVENT TIME: 03:19[EDT]| |NRC NOTIFIED BY: ROLAND |LAST UPDATE DATE: 06/29/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 55 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR SCRAM FROM 55% ON MAIN TURBINE TRIP | | | | AT 0319 WITH THE REACTOR AT 55% POWER AND STARTUP IN PROGRESS, A MOISTURE | | SEPARATOR DRAIN TANK HIGH LEVEL CAUSED A MAIN TURBINE TRIP WHICH RESULTED | | IN A REACTOR SCRAM. ALL CONTROL RODS FULLY INSERTED. THE REACTOR | | RECIRCULATION PUMPS TRIPPED DUE TO AN END OF CYCLE-RECIRC PUMP TRIP | | (EOC-RPT) AND WERE RESTARTED. | | | | THE REACTOR WATER LEVEL DROPPED TO +0.5" AND WAS RESTORED TO NORMAL LIMITS | | (+35") WITHIN SEVERAL MINUTES USING THE FEEDWATER SYSTEM. THERE WERE NO | | ECCS INITIATIONS, EMERGENCY DIESEL GENERATOR STARTS, AND NO SAFETY RELIEF | | VALVES LIFTED. RADIATION LEVELS TRENDED DOWN WITH REACTOR POWER AND THERE | | WERE NO CHALLENGES TO THE PRIMARY CONTAINMENT. A PLANT COOLDOWN WAS | | INITIATED AFTER IT HAD BEEN STABILIZED. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED AND A PRESS RELEASE WILL BE MADE. | +------------------------------------------------------------------------------+