U.S. Nuclear Regulatory Commission Operations Center Event Reports For 08/16/96 - 08/19/96 ** EVENT NUMBERS ** 30879 30880 30881 30882 30883 30884 30885 30886 30887 30888 30889 +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 30879 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: YALE UNIVERSITY, NEW HAVEN, CT |NOTIFICATION DATE: 08/16/96 | | CITY: NEW HAVEN REGION: 1 |NOTIFICATION TIME: 10:03 [ET]| | COUNTY: NEW HAVEN STATE: CT |EVENT DATE: 07/18/96 | |LICENSE#: 060018303 AGREEMENT: N |EVENT TIME: 12:00[EDT]| | DOCKET: |LAST UPDATE DATE: 08/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN CARUSO RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: AGNES BARLOW, RSO | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DURING A MATERIAL INVENTORY CONDUCTED ON 7/18/96, THE LICENSEE DISCOVERED | | THAT A 70 nCi Th-228 SOURCE WAS MISSING FROM A LABORATORY. THE SOURCE | | CONSISTS OF THORIUM OXIDE DIFFUSION PLATED ONTO A BACKING AND THEN COVERED | | WITH GOLD. THE SOURCE IS USUALLY CONTAINED IN A 2.3 cm X 2.3 cm METAL | | TARGET FRAME. THE LICENSEE HAS SEARCHED THE LABORATORY BUT HAS BEEN UNABLE | | TO LOCATE THE SOURCE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 30880 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: DUPONT-MERCK, BILLERICA, MA |NOTIFICATION DATE: 08/16/96 | | CITY: BILLERICA REGION: 1 |NOTIFICATION TIME: 11:16 [ET]| | COUNTY: MIDDLESEX STATE: MA |EVENT DATE: 08/15/96 | |LICENSE#: 20-28598-01 AGREEMENT: N |EVENT TIME: 12:00[EDT]| | DOCKET: |LAST UPDATE DATE: 08/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN CARUSO RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: SKIP ROY, RSO | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAD1 20.2202(a)(1) PERS OVEREXPOSURE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POSSIBLE PERSONNEL OVEREXPOSURE | | | | THE LICENSEE CALLED TO REPORT THE POTENTIAL OVEREXPOSURE OF AN EMPLOYEE. | | ON 8/15/96, WEEKLY DOSIMETRY RESULTS FOR THE WEEK OF 7/29/96 - 8/4/96 WERE | | RECEIVED FROM THE DOSIMETRY CONTRACTOR. THESE RESULTS INDICATED THAT ONE | | EMPLOYEE RECEIVED A WEEKLY WHOLE BODY DOSE (DEEP AND SHALLOW) OF 5530 mREM. | | THE EXPOSURE WAS CHARACTERIZED AS HIGH ENERGY PENETRATING RADIATION. THE | | INDIVIDUAL'S YEARLY CUMULATIVE DOSE IS 5710 mREM. | | | | THE LICENSEE REPORTED THAT THE INDIVIDUAL DOES NOT WORK WITH MATERIALS THAT | | EMIT HIGH ENERGY PENETRATING RADIATION, AND AN INVESTIGATION IS CURRENTLY | | UNDERWAY TO DETERMINE POTENTIAL CAUSES FOR THE OVEREXPOSURE. ADDITIONALLY, | | THE LICENSEE HAS CONTACTED THE DOSIMETRY CONTRACTOR TO VERIFY THE ACCURACY | | OF THE DOSIMETRY REPORT. | | | | THE LICENSEE PLANS TO CONTACT J. KINNEMAN IN REGION I DIRECTLY. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 30881 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: COMMUNITY HOSPITAL-INDIANAPOLIS, IN |NOTIFICATION DATE: 08/16/96 | | CITY: INDIANAPOLIS REGION: 3 |NOTIFICATION TIME: 14:29 [ET]| | COUNTY: STATE: IN |EVENT DATE: 08/16/96 | |LICENSE#: 130600901 AGREEMENT: N |EVENT TIME: 10:30[EDT]| | DOCKET: |LAST UPDATE DATE: 08/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SHEAR RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: ANDREA BROWNE, RSO | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -INCORRECT LOCATION OF HI DOSE RATE SOURCE DURING BRACHYTHERAPY TREATMENT- | | | | A RADIOACTIVE SOURCE (5.64 CURIES OF IRIDIUM-192) WAS INSERTED INSIDE A | | CATHETER INTO A FEMALE PATIENT'S ESOPHAGUS THROUGH HER MOUTH DURING A HIGH | | DOSE RATE BRACHYTHERAPY CANCER TREATMENT. THE SOURCE SHOULD HAVE BEEN | | INSERTED 2.5 CM FURTHER INTO THE ESOPHAGUS THAN IT WAS IN COMPLIANCE WITH | | THE WRITTEN DIRECTIVE. | | | | THE LICENSEE STATED THAT THERE WERE NO ADVERSE MEDICAL EFFECTS ON THE | | PATIENT. THE PATIENT'S PHYSICIAN WILL NOTIFY THE PATIENT OF THIS | | MISADMINISTRATION. | | | | THE LICENSEE INTENDS TO REVISE THEIR PROCEDURES TO PREVENT RECURRENCE OF | | THIS EVENT. | | | | THE LICENSEE WILL SUBMIT A WRITTEN REPORT TO REGION 3 WITHIN 15 DAYS. | | | | SEE HOO LOG FOR RSO TELEPHONE NUMBER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 30882 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: COGEMA MINING, INC, CASPER, WY |NOTIFICATION DATE: 08/16/96 | | CITY: CASPER REGION: 4 |NOTIFICATION TIME: 17:22 [ET]| | COUNTY: STATE: WY |EVENT DATE: 08/15/96 | |LICENSE#: SUA-1341 AGREEMENT: N |EVENT TIME: 12:00[MDT]| | DOCKET: |LAST UPDATE DATE: 08/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BLAIR SPITZBERG RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: JOHN VASELIN | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - GROUND WATER WELL AT URANIUM SOLUTION MINE WENT INTO EXCURSION STATUS - | | | | ON 08/15/96, COGEMA MINING, INC SHALLOW GROUND WATER WELL #SSM-40 AT THE | | URANIUM SOLUTION MINE UNIT #8 AT THE IRIGARAY MINE IN CASPER, WYOMING, WENT | | INTO EXCURSION STATUS. THE LICENSEEE REPORTED THAT A SAMPLE OF GROUND | | WATER TAKEN FROM THIS MINE AT APPROXIMATELY 150 FEET BELOW GRADE WAS TESTED | | AND TWO OF THREE PARAMETERS EXAMINED WERE DETERMINED TO EXCEED THEIR | | EXCURSION LIMIT AS FOLLOWS: CHLORIDES - 13.9 PPM (13.6 PPM UPPER LIMIT); | | ALKALINITY - 115 PPM (109.2 PPM UPPER LIMIT); CONDUCTIVITY - 1320 | | MICROMHOS/CM (BELOW UPPER LIMIT). | | | | THIS CONDITION POSES NO HEALTH HAZARD TO SITE PERSONNEL. | | | | LICENSEE INTENDS TO SUBMIT A WRITTEN REPORT TO REGION 4 AND NMSS WITHIN 7 | | DAYS. | | | | SEE HOO LOG FOR CALL BACK TELEPHONE NUMBER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 30883 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: WESTERN TECHNOLOGIES, PHEONIX, AZ |NOTIFICATION DATE: 08/16/96 | | CITY: PHOENIX REGION: 4 |NOTIFICATION TIME: 18:01 [ET]| | COUNTY: STATE: AZ |EVENT DATE: 08/16/96 | |LICENSE#: 07-080 AGREEMENT: Y |EVENT TIME: 13:30[MDT]| | DOCKET: |LAST UPDATE DATE: 08/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BLAIR SPITZBERG RDO | | |JOHN AUSTIN, NMSS EO | +------------------------------------------------+STUART RUBIN AEOD | |NRC NOTIFIED BY: BILL WRIGHT, STATE OF AZ | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | |NAGR AGREEMENT STATE | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - TRUCK WITH TROXLER MOISTURE DENSITY GAUGE INSIDE STOLEN IN MESA, AZ - | | | | DURING THE NIGHT OF 08/15-16/96, A WHITE 1993 CHEVY PICKUP TRUCK WAS | | STOLEN FROM A MOTEL IN MESA, ARIZONA. A TROXLER MOISTURE DENSITY GAUGE, | | MODEL #3440, S/N #22316, CONTAINING 10 MILLICURIES OF CESIUM-137 AND | | 50 MILLICURIES OF AMERICIUM-241/BERYLLIUM, WAS INSIDE THE TRUCK. | | | | THE LICENSEE IS OFFERING A $500 REWARD AND IS ISSUING A PRESS RELEASE. | | | | MESA POLICE AND THE STATE OF ARIZONA RADIATION REGULATORY AGENCY (RRA) | | ARE INVESTIGATING THE THEFT. | | | | THE ARIZONA RRA INFORMED MEXICO, NEW MEXICO, CALIFORNIA, UTAH, AND NEVADA. | | | | SEE HOO LOG FOR CONTACT NAMES AND CALL BACK TELEPHONE NUMBERS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 30884 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: USAF, DAVIS MONTHAN AFB, TUSCON, AZ |NOTIFICATION DATE: 08/16/96 | | CITY: SAN ANTONIO REGION: 4 |NOTIFICATION TIME: 18:13 [ET]| | COUNTY: STATE: TX |EVENT DATE: 08/15/96 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 17:00[CDT]| | DOCKET: |LAST UPDATE DATE: 08/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BLAIR SPITZBERG RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: PAUL FEESER | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - 7 BUILDING EXIT SIGNS CONTAINING TRITIUM MISSING AT DAVIS MONTHAN AFB - | | | | SEVEN BUILDING EXIT SIGNS CONTAINING TRITIUM (20 CURIES EACH) WERE | | DETERMINED TO BE MISSING AT DAVIS MONTHAN AIR FORCE BASE, TUSCON, AZ. | | THE SIGNS WERE LAST ACCOUNTED FOR DURING A MATERIAL INVENTORY CHECK IN | | SEPTEMBER, 1995. THE LICENSEE IS ATTEMPTING TO LOCATE THE SIGNS. | | | | SEE HOO LOG FOR CALL BACK TELEPHONE NUMBERS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30885 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 08/16/96 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 19:23 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/16/96 | +------------------------------------------------+EVENT TIME: 10:04[CDT]| |NRC NOTIFIED BY: CURT BASNER |LAST UPDATE DATE: 08/16/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AT 1004 (CDT), THE UNIT 2 SAFETY PARAMETER DISPLAY SYSTEM (SPDS) PROCESS | | COMPUTER WAS LOST. REPAIRS ARE ONGOING. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 2135 BY KEITH KNUETSON ENTERED BY JOLLIFFE * * * | | | | AT 2000 (CDT), THE SPDS PROCESS COMPUTER WAS RESTORED TO OPERABLE STATUS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | HOO NOTIFIED R3DO GARY SHEAR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30886 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 08/16/96 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 20:00 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 08/16/96 | +------------------------------------------------+EVENT TIME: 17:00[EDT]| |NRC NOTIFIED BY: MIKE MOHNEY |LAST UPDATE DATE: 08/16/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN CARUSO RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | |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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - ADMINISTRATIVE CONTROLS ESTABLISHED TO PREVENT CROSS TIE OF EDGs - | | | | PLANT TECH SPEC LCO A/S 3.7.1.1.A.2 ALLOWS THE OPTION TO CROSS TIE AN EDG | | (4 TOTAL) TO THE OPERABLE SAFETY AUXILIARY COOLING SYSTEM (SACS) TRAIN | | IF 1 OF THE 2 TRAINS IS INOPERABLE. HOWEVER, LICENSEE ENGINEERING HAS | | DETERMINED THAT, WITH THE EXISTING SACS CONFIGURATION, ACTION TO CROSS TIE | | AN EDG CANNOT BE SUPPORTED BECAUSE IT COULD DEGRADE THE CAPABILITY OF THE | | SYSTEM TO SUPPORT OTHER LOADS. CURRENTLY, BOTH SACS TRAINS ARE OPERABLE | | AND NO EDGs ARE CROSS TIED. | | | | THE LICENSEE ESTABLISHED ADMINISTRATIVE CONTROLS TO ENSURE THAT NO EDGs | | ARE CROSS TIED. | | | | LICENSEE ENGINEERING REVIEW IS CONTINUING. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30887 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 08/16/96 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 23:09 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 08/16/96 | +------------------------------------------------+EVENT TIME: 20:45[CDT]| |NRC NOTIFIED BY: KEN PIOTEREK |LAST UPDATE DATE: 08/16/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 23 POWER OPERATION | 23 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - HPCI SYSTEM JET IMPINGEMENT RESTRAINT REPAIRED DURING REFUELING OUTAGE - | | | | ON 07/27/96, THE LICENSEE DISCOVERED THAT THE CONFIGURATION OF THE | | INSTALLED BASEPLATE OF THE HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM | | JET IMPINGEMENT RESTRAINT #2-JIHP-3 LOCATED IN THE TORUS AREA DIFFERED | | FROM ITS AS-DESIGNED ISOMETRIC DRAWING. IN ITS AS-FOUND CONDITION, THE | | RESTRAINT WAS INCAPABLE OF RESISTING APPLIED DESIGN LOADING CONDITIONS | | RESULTING FROM A HPCI SYSTEM HIGH ENERGY LINE BREAK. | | | | THE LICENSEE REPAIRED THE RESTRAINT TO CONFORM TO THE AS-DESIGNED ISOMETRIC | | DRAWING PRIOR TO RESTARTING UNIT 2 FOLLOWING COMPLETION OF THE CURRENT | | REFUELING OUTAGE ON 08/14/96. | | | | AT 2045 (CDT) ON 08/16/96, THE LICENSEE DETERMINED THAT THIS EVENT WAS | | REPORTABLE TO THE NRC. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30888 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 08/18/96 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 08:51 [ET]| |RX TYPE: [1] CE |EVENT DATE: 08/18/96 | +------------------------------------------------+EVENT TIME: 08:00[EDT]| |NRC NOTIFIED BY: JOE WALDMAN |LAST UPDATE DATE: 08/18/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN CARUSO RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |NLCO TECH SPEC LCO A/S |EDWARD JORDAN AEOD | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 1 STARTUP | 1 STARTUP | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DURING "A" TRAIN SAFETY INJECTION (SI) TESTING, THE "A" TRAIN HIGH PRESSURE | | SAFETY INJECTION (HPSI) PUMP FAILED TO START DUE TO A SEVERED WIRE. THE | | SEVERED WIRE WOULD HAVE PREVENTED THE PUMP FROM STARTING IF IT HAD BEEN IN | | STANDBY, BUT THE PUMP WOULD HAVE PERFORMED ITS HPSI FUNCTION IF IT HAD BEEN | | RUNNING. THE PUMP WOULD HAVE OPERATED PROPERLY FOR A MANUAL START OR IF | | THERE WAS A LOSS OF OFFSITE POWER. NORMAL CONFIGURATION IS ONE PUMP | | RUNNING AND ONE PUMP IN STANDBY. WITH ONE PUMP INOPERABLE, THE UNIT IS IN | | A 72 HOUR LCO PER TECH SPEC 3.6.B. THE LICENSEE IS INVESTIGATING THE | | REASON FOR THE SEVERED WIRE. THE LICENSEE WILL INFORM THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30889 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 08/18/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 13:33 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/18/96 | +------------------------------------------------+EVENT TIME: 11:33[CDT]| |NRC NOTIFIED BY: DAVE SCHUELLER |LAST UPDATE DATE: 08/18/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR 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/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - AUTO Rx TRIP FROM 100% DUE TO LO S/G WATER LEVEL DUE TO MSIV CLOSING - | | | | WHILE PERFORMING A PARTIAL STROKE TEST OF THE #1D MAIN STEAM ISOLATION | | VALVE (MSIV), THE MSIV CLOSED FURTHER THAN EXPECTED FOR UNKNOWN REASONS. | | THIS CAUSED THE WATER LEVEL IN THE #1D STEAM GENERATOR TO DROP TO ITS LOW | | LEVEL SETPOINT WHICH CAUSED THE REACTOR TO TRIP FROM 100% POWER. ALL | | CONTROL RODS EXCEPT RODS #C-11 AND #D-4 INSERTED COMPLETELY. RODS #C-11 | | AND #D-4 INSERTED COMPLETELY SHORTLY AFTER THE REACTOR TRIP. THE AUXILIARY | | FEEDWATER SYSTEM ACTUATED, AS EXPECTED, TO RESTORE STEAM GENERATOR WATER | | LEVEL TO NORMAL RANGE. STEAM IS BEING DUMPED TO THE MAIN CONDENSER. | | | | UNIT 1 IS STABLE IN MODE 3 (HOT STANDBY). | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE MSIV PARTIAL CLOSURE. | | | | UNIT 2 WAS UNAFFECTED BY THIS EVENT AND REMAINS AT 100% POWER. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+