U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/01/94 - 07/05/94 ** EVENT NUMBERS ** 27472 27473 27474 27475 27476 27477 27478 27479 27480 27481 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27472 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 07/01/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 11:13 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 07/01/94 | +------------------------------------------------+EVENT TIME: 10:00[EDT]| |NRC NOTIFIED BY: CIGANIK |LAST UPDATE DATE: 07/01/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE DOERFLEIN RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LICENSEE DISCOVERED AND REMOVED A DEAD, 11 INCH LONG KEMPS RIDLEY SEA | | TURTLE FROM IN FRONT OF THE INTAKE STRUCTURE GRATES TO THE #3 DILUTION | | PUMP. | | | | LICENSEE NOTIFIED THE NATIONAL MARINE FISHERIES SERVICE AND STATE OFFICIALS | | AND WILL NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27473 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 07/01/94 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 11:30 [ET]| |RX TYPE: [1] CE |EVENT DATE: 07/01/94 | +------------------------------------------------+EVENT TIME: 09:25[EDT]| |NRC NOTIFIED BY: MABEN |LAST UPDATE DATE: 07/01/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE DOERFLEIN RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 88 POWER OPERATION | 88 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LESS THAN 1/2 PINT OF HYDRAZINE HYDRATE LIQUID WAS INADVERTENTLY DILUTED | | IN THE DOMESTIC WATER SUPPLY AND SUBSEQUENTLY RELEASED TO THE SEWAGE | | TREATMENT SYSTEM. | | | | LICENSEE NOTIFIED THE MAINE STATE DEPARTMENT OF ENVIRONMENTAL PROTECTION | | AND THE MAINE STATE NUCLEAR SAFETY INSPECTOR. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27474 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 07/01/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 17:19 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 07/01/94 | +------------------------------------------------+EVENT TIME: 16:45[EDT]| |NRC NOTIFIED BY: ERIC DEMONCH |LAST UPDATE DATE: 07/01/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE DOERFLEIN 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT IS OUTSIDE OF DESIGN BASIS BECAUSE AN EDG CONTROL CIRCUIT DOES | | NOT MEET ELECTRICAL SEPARATION CRITERIA. | | | | TEXT OF A LICENSEE FACSIMILE IS AS FOLLOWS: | | | | "WHILE PERFORMING A WALKDOWN OF A PLANNED MODIFICATION TO THE EMERGENCY | | DIESEL GENERATOR CONTROL LOGIC, (SIC) DISCOVERED A POTENTIAL SINGLE FAILURE | | WHICH COULD DISABLE BOTH EDGs. WIRES FROM CONTROL CIRCUITS FROM BOTH DIESEL | | GENERATORS ARE MOUNTED ON ADJACENT TERMINALS OF THE SAME TERMINAL BOARD. | | THIS IS A CONDITION WHICH IS OUTSIDE OF THE PLANT'S DESIGN BASIS. | | | | THE EDGs ARE CONSIDERED OPERABLE. THE POSTULATED SINGLE FAILURE IS JUDGED | | TO BE A VERY LOW PROBABILITY EVENT, AND THE CONDITION WILL BE CORRECTED | | DURING PLANNED MAINTENANCE OUTAGES ON THE DIESELS ON JULY 11TH AND 12TH." | | | | THE PLANT IS REFERENCING IEEE 384. THE LICENSEE WILL INFORM THE NRC | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27475 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 07/01/94 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 17:45 [ET]| |RX TYPE: [1] CE |EVENT DATE: 06/30/94 | +------------------------------------------------+EVENT TIME: 10:00[EDT]| |NRC NOTIFIED BY: LARRY GRIMARD |LAST UPDATE DATE: 07/01/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE DOERFLEIN RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 30 POWER OPERATION | 30 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE STATE DEPARTMENT OF ENVIRONMENTAL PROTECTION AND | | THE NATIONAL RESPONSE CENTER THAT AN OIL SHEEN WAS DISCOVERED ON THE WATER | | INSIDE THE OIL BOOM ON THE BACK RIVER. THE LICENSEE ESTIMATES THE AMOUNT | | OF OIL TO BE LESS THAN ONE PINT. THE SOURCE OF THE OIL HAS NOT BEEN | | DETERMINED. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27476 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 07/02/94 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 11:06 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 07/02/94 | +------------------------------------------------+EVENT TIME: 06:29[PDT]| |NRC NOTIFIED BY: J. KITTLER |LAST UPDATE DATE: 07/02/94 | |HQ OPS OFFICER: THOMAS ANDREWS +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CAIN RDO | |AMED 50.72(b)(2)(v) OFFSITE MEDICAL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -- CONTAMINATED INDIVIDUAL TRANSPORTED OFFSITE FOR MEDICAL TREATMENT -- | | | | AT 0550 PDT, THE PLANT EMERGENCY TEAM RESPONDED TO A NOTIFICATION OF AN | | INDIVIDUAL HAVING CHEST PAINS. THE INDIVIDUAL WAS IN THE PROCESS OF BEING | | DECONTAMINATED AFTER PERFORMING OUTAGE RELATED WORK IN THE REACTOR CAVITY. | | | | AT 0608 PDT, THE INDIVIDUAL WAS REPORTED TO HAVE FACIAL CONTAMINATION OF | | 2000 DISINTEGRATIONS PER MINUTE PER 100 SQUARE CENTIMETERS ON THE CHEEK. | | | | AT 0629, THE INDIVIDUAL WAS TRANSPORTED OFFSITE BY THE HANFORD AMBULANCE | | FOR MEDICAL TREATMENT. A HEALTH PHYSICS TECHNICIAN AND THE INDIVIDUAL'S | | SUPERVISOR ACCOMPANIED THE INDIVIDUAL IN THE AMBULANCE. DURING TRANSPORT, | | THE HEALTH PHYSICS TECHNICIAN PERFORMED ADDITIONAL FRISKING OF THE | | INDIVIDUAL AND REPORTED ACTUAL CONTAMINATION TO BE IN THE RANGE OF 2000 TO | | 6000 DISINTEGRATIONS PER MINUTE PER 100 SQUARE CENTIMETERS ON THE LOWER | | FACIAL AREA. | | | | AT 0736 PDT, THE INDIVIDUAL WAS REPORTED TO HAVE BEEN DECONTAMINATED TO | | LESS THAN 1 DISINTEGRATION PER MINUTE, TREATED AND RELEASED FROM THE LOCAL | | MEDICAL FACILITY. THE INDIVIDUAL IS BEING TRANSPORTED BACK TO WNP-2 FOR A | | WHOLE BODY COUNT. | | | | THE MATERIALS USED TO DECONTAMINATE THE INDIVIDUAL WERE RETURNED TO THE | | SITE. THE AMBULANCE AND THE AREA WHERE THE INDIVIDUAL WAS DECONTAMINATED | | WERE VERIFIED TO BE DECONTAMINATED AND SURVEYED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED. | | | | * * * UPDATE AT 1526 EDT TAKEN BY WEAVER * * * | | | | THE INJURED INDIVIDUAL WAS TREATED FOR A MUSCLE STRAIN AND RELEASED. A | | SLIGHT INCREASE IN INTERNAL COUNTS WAS NOTED. THE MAN HAS RETURNED TO | | WORK. | | | | HOO NOTIFIED R4DO (CAIN). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27477 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 07/02/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 13:14 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/02/94 | +------------------------------------------------+EVENT TIME: 12:05[CDT]| |NRC NOTIFIED BY: BASNER |LAST UPDATE DATE: 07/02/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |RONALD GARDNER RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |EDWARD BUTCHER EO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION |SIMMERS FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MAIN TURBINE GENERATOR FIRE. | | | | A MAIN GENERATOR FIRE CHARACTERIZED BY FLAMES FROM THE BUS DUCTS OCCURRED | | AT APPROXIMATELY 1200 CDT. OPERATORS BEGAN A 5% PER MINUTES RAMP DOWN IN | | POWER. WITH POWER AT ABOUT 90% THE GENERATOR TRIPPED (SPECIFIC TRIP NOT | | KNOWN) WITH A SUBSEQUENT TURBINE AND REACTOR TRIP. THE REACTOR IS SHUTDOWN | | AND DECAY HEAT IS BEING REMOVED BY DUMPING STEAM TO THE MAIN CONDENSERS. | | STEAM GENERATORS ARE BEING FED BY AUXILIARY FEEDWATER. ALL SAFETY SYSTEMS | | ARE OPERABLE AND FUNCTIONED AS REQUIRED. | | | | THE FIRE WAS EXTINGUISHED 15 MINUTES AFTER THE UNIT TRIP BY THE ZION FIRE | | DEPARTMENT IN CONJUNCTION WITH THE ONSITE FIRE BRIGADE. THE ILLINOIS | | DEPARTMENT OF NUCLEAR SAFETY AND THE WISCONSIN DIVISION OF EMERGENCY | | GOVERNMENT WERE NOTIFIED. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE BY SIMMERS TAKEN BY WEAVER AT 1349 EDT ON 7/2/94 * * * | | | | THE UNUSUAL EVENT WAS TERMINATED AT 1349. FIRE DAMAGE APPEARS TO BE | | LIMITED TO THE GENERATOR AND BUS DUCT PHASES B & C. THE REACTOR WAS AT 82% | | POWER WHEN IT TRIPPED. CONTROL ROD M-8 DID NOT FULLY INSERT, AND IS AT THE | | 18 STEP POSITION. CONTROL ROD M-8 IS IN CONTROL BANK D. HOO NOTIFIED R3DO | | (GARDNER), NRR EO (BUTCHER), FEMA (WITSBERGER). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27478 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 07/02/94 | |UNIT: [ ] [2] [ ] STATE: NJ |NOTIFICATION TIME: 16:41 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/02/94 | +------------------------------------------------+EVENT TIME: 14:06[EDT]| |NRC NOTIFIED BY: GWIRTZ |LAST UPDATE DATE: 07/02/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DOERFLEIN RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 HOT STANDBY | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | RCS LEAK GREATER THAN TECH SPEC LIMITS | | | | AN APPROXIMATE 10 GPM RCS LEAK DEVELOPED ON A FLANGE ON THE 22 REACTOR | | COOLANT PUMP (RCP) CASING. THE FLANGE LEADS TO A PRESSURE GAUGE AND SENSES | | SEAL INJECTION PRESSURE. THE FLANGE IS NOT ISOLABLE FROM THE REACTOR. THE | | PLANT WAS IN MODE THREE AT THE TIME THE LEAK WAS INITIATED. THE PLANT IS | | COOLING DOWN AT 30 DEGREES F PER HOUR AND HEADING TO COLD SHUTDOWN FOR | | REPAIRS. | | | | AT THE TIME THE LEAK STARTED, REPAIRS WERE UNDERWAY ON THE FLANGE TO REPAIR | | A MUCH SMALLER LEAK THAT HAD EXISTED FOR SEVERAL MONTHS. A CLAMP HAD BEEN | | INSTALLED ON THE FLANGE AND A SEALING COMPOUND WAS BEING INJECTED WHEN THE | | LEAK DEVELOPED. | | | | LOWER ALLOWAYS CREEK TOWNSHIP AND THE NRC RESIDENT INSPECTOR WERE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 27479 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NUCLEAR FUEL SERVICES INC. |NOTIFICATION DATE: 07/02/94 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 19:59 [ET]| |COMMENTS: HEU CONVERSION & SCRAP RECOVERY |EVENT DATE: 07/02/94 | | NAVAL REACTOR FUEL CYCLE |EVENT TIME: 16:00[EDT]| | LEU SCRAP RECOVERY |LAST UPDATE DATE: 07/02/94 | | CITY: ERWIN REGION: 2 +-----------------------------+ | COUNTY: UNICOI STATE: TN |PERSON ORGANIZATION| |LICENSE#: SNM-124 AGREEMENT: Y |JOHN POTTER RDO | | DOCKET: 07000143 | | +------------------------------------------------+ | |NRC NOTIFIED BY: WAYNE ALLEN | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |KBBF 70.50(b)(2)(ii) EQUIP DISABLED/FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF POWER TO CRITICALITY ALARM SYSTEM | | | | COMMERCIAL AND BACKUP BATTERY POWER WERE LOST TO THE CRITICALITY ALARM | | SYSTEM FOR APPROXIMATELY 90 MINUTES. COMMERCIAL POWER WAS RESTORED AT 1730 | | EDT AND WAS LOST BECAUSE OF A FAULTY BREAKER. BATTERY BACKUP POWER WILL BE | | RESTORED AT 0800 EDT ON 7/3/94 AFTER CHARGING THE BATTERIES. DURING THIS | | POWER LOSS, THERE WAS NO ACTIVITY INVOLVING SPECIAL NUCLEAR MATERIAL. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27480 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 07/04/94 | |UNIT: [ ] [2] [3] STATE: IL |NOTIFICATION TIME: 22:46 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 07/04/94 | +------------------------------------------------+EVENT TIME: 09:57[CDT]| |NRC NOTIFIED BY: WELCH |LAST UPDATE DATE: 07/04/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 87 POWER OPERATION | 87 POWER OPERATION | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -HPCI SUCTION SWAPPED TO SUPPRESSION POOL DUE TO MISLABLED TERMINAL BLOCKS- | | | | WHILE LICENSEE WAS DRAINING THE 'B' CONTAMINATED STORAGE TANK TO REPAIR A | | LINE, THE UNIT 2 & 3 HIGH PRESSURE COOLANT INJECTION SYSTEM CONTAMINATED | | STORAGE TANK SUCTION VALVES SHUT AND THE HPCI SUPPRESSION POOL SUCTION | | VALVES OPENED. | | | | LICENSEE DETERMINED THAT THIS ESF ACTUATION WAS CAUSED BY THE ACTUAL LOW | | LEVEL IN THE 'B' CONTAMINATED STORAGE TANK AND INCORRECTLY INSTALLED LOW | | LEVEL ISOLATION BYPASS JUMPERS. THE JUMPERS WERE INCORRECTLY INSTALLED | | BECAUSE THE TERMINAL BLOCKS IN A JUNCTION BOX WERE INCORRECTLY LABELED. | | | | AT 1300 (CDT), LICENSEE RESET ALL SYSTEMS AND EQUIPMENT TO NORMAL AND | | INSTALLED THE JUMPERS CORRECTLY. | | | | LICENSEE IS CONTINUING TO INVESTIGATE THE CAUSE AND WILL LABEL THE TERMINAL | | BLOCKS CORRECTLY. | | | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27481 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 07/05/94 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 01:41 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 07/04/94 | +------------------------------------------------+EVENT TIME: 20:29[PDT]| |NRC NOTIFIED BY: GEORGE RICHMOND |LAST UPDATE DATE: 07/05/94 | |HQ OPS OFFICER: THOMAS ANDREWS +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | WHILE PERFORMING A VALVE LINE UP TO ALIGN THE CONTINUOUS BACKFILL TO THE | | REACTOR PRESSURE VESSEL REFERENCE LEGS, AN ESF ACTUATION OCCURRED DUE TO A | | SPURIOUS LEVEL TRANSIENT. ACTUAL REACTOR VESSEL LEVEL REMAINED CONSTANT. | | THE LEVEL TRANSIENT WAS A TRANSIENT WITHIN THE INDICATION SYSTEM ONLY. | | | | THE HIGH PRESSURE CORE SPRAY DIESEL GENERATOR AUTOMATICALLY STARTED ON A | | LEVEL 2 SIGNAL (REACTOR VESSEL WATER LEVEL -50 INCHES FROM REFERENCE). NO | | INJECTION TO THE VESSEL OCCURRED BECAUSE HIGH PRESSURE CORE SPRAY WAS NOT | | REQUIRED TO BE OPERABLE. A REACTOR PROTECTION SYSTEM HALF SCRAM OCCURRED | | DUE TO A LEVEL 3 SIGNAL (REACTOR VESSEL WATER LEVEL 13 INCHES ABOVE | | REFERENCE). THE ACTUATION SIGNALS HAVE BEEN RESET AND THE HIGH PRESSURE | | CORE SPRAY DIESEL HAS BEEN SECURED. | | | | THE LICENSEE WILL CONVENE AN INCIDENT REVIEW BOARD AND A PROBLEM EVALUATION | | REQUEST WILL BE INITIATED. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED. | +------------------------------------------------------------------------------+