U.S. Nuclear Regulatory Commission Operations Center Event Reports For 10/16/96 - 10/17/96 ** EVENT NUMBERS ** 31156 31157 31158 31159 31160 31161 31162 31163 31164 31165 31166 31167 31168 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31156 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 10/16/96 | |UNIT: [2] [ ] [ ] STATE: PA |NOTIFICATION TIME: 01:21 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 10/15/96 | +------------------------------------------------+EVENT TIME: 23:11[EDT]| |NRC NOTIFIED BY: DOUG CREMER |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HERB WILLIAMS 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 70 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - AUTO REACTOR SCRAM FROM 70% POWER DUE TO AUTO MAIN TURBINE TRIP - | | | | WITH UNIT 2 AT 98% POWER WITH NO TESTING OR MAINTENANCE ACTIVITIES IN | | PROGRESS, UNIT 2 RECEIVED A MAIN GENERATOR STATOR CURRENT UNBALANCE ALARM. | | CONTROL ROOM OPERATORS REDUCED REACTOR POWER. | | | | AT 70% POWER, THE MAIN TURBINE AUTO TRIPPED WHICH CAUSED THE REACTOR TO | | AUTO SCRAM AND PRIMARY CONTAINMENT ISOLATION SIGNALS FOR GROUP 2 (DRYWELL | | SUMP VALVES) AND GROUP 3 (REACTOR BUILDING VENTILATION SYSTEM) TO ACTUATE. | | ALL CONTROL RODS INSERTED COMPLETELY. STEAM IS BEING DUMPED TO THE MAIN | | CONDENSER. | | | | UNIT 2 IS STABLE IN CONDITION 3 (HOT SHUTDOWN). | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE MAIN TURBINE TRIP AND PLANS | | TO RESTART UNIT 2 UPON COMPLETION OF THE INVESTIGATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | NOTE: THIS EVENT IS SIMILAR TO EVENT REPORT #31104 ON 10/06/96. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31157 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NORTH ANNA REGION: 2 |NOTIFICATION DATE: 10/16/96 | |UNIT: [ ] [2] [ ] STATE: VA |NOTIFICATION TIME: 01:22 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 10/15/96 | +------------------------------------------------+EVENT TIME: 23:35[EDT]| |NRC NOTIFIED BY: JOHN SLATTERY |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CAUDLE JULIAN 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 82 POWER OPERATION | 82 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - SAFETY PARAMETER DISPLAY SYSTEM MULTIPLEXER FAILED FOR UNKNOWN REASONS - | | | | AT 2335 ON 10/15/96, THE UNIT 2 SAFETY PARAMETER DISPLAY SYSTEM (SPDS) | | MULTIPLEXER FAILED FOR UNKNOWN REASONS. THIS AFFECTED THE DISPLAY OF | | REACTOR POWER AND CORE EXIT THERMOCOUPLES ON THE SPDS TOP LEVEL DISPLAY. | | | | THE LICENSEE IS REPAIRING THE MULTIPLEXER. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31158 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MONTICELLO REGION: 3 |NOTIFICATION DATE: 10/16/96 | |UNIT: [1] [ ] [ ] STATE: MN |NOTIFICATION TIME: 11:44 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 10/16/96 | +------------------------------------------------+EVENT TIME: 10:30[CDT]| |NRC NOTIFIED BY: ENGELKE |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MCCORMICKBARGER 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 95 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FIRE BARRIER FOUND NOT TO BE IN PROPER POSITION. | | | | PANEL C03 (RESIDUAL HEAT REMOVAL/CORE SPRAY) FIRE BARRIER WAS FOUND NOT TO | | BE INTACT. THIS FIRE BARRIER WAS REQUIRED TO MEET SEPARATION DESIGN | | SPECIFICATION GE 22A2501, "SEPARATION REQUIREMENTS FOR REACTOR SAFETY AND | | ENGINEERED SAFEGUARDS SYSTEM." OTHER FIRE BARRIERS WERE INSPECTED AND WERE | | FOUND TO BE INTACT. THE FIRE BARRIER HAS BEEN REPAIRED. THE FIRE BARRIER | | SEPARATES REDUNDANT TRAINS OF ECCS EQUIPMENT. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31159 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 10/16/96 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:18 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 10/16/96 | +------------------------------------------------+EVENT TIME: 11:15[CDT]| |NRC NOTIFIED BY: SCOTT WILKINSON |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER 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 N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FOREIGN MATERIAL DISCOVERED IN THE SUPPRESSION POOL | | | | DURING RECENT DIVER DESLUDGING ACTIVITIES OF THE U2 SUPPRESSION POOL, | | SUFFICIENT INVENTORY OF FOREIGN MATERIAL WAS RECOVERED SUCH THAT THE | | OPERABILITY OF THE EMERGENCY CORE COOLING SYSTEMS WAS CHALLENGED. PER THE | | LASALLE STATION FOREIGN MATERIAL EXCLUSION PROGRAM, A PROBLEM | | IDENTIFICATION FORM WAS INITIATED TO DOCUMENT THOSE ITEMS RECOVERED. | | | | ENGINEERING WAS REQUESTED BY THE EVENT SCREENING COMMITTEE TO REVIEW THIS | | INVENTORY AS IT RELATED TO PREVIOUS OPERABILITY OF THE ECC SYSTEMS. | | ENGINEERING HAS CONCLUDED THAT SUFFICIENT INVENTORY OF CLOGGABLE MATERIAL | | (i.e., 3 FT X 3 FT RUBBER MAT, 3 FT X 3 FT GASKET MATERIAL, AND 6 FT X 4 FT | | NYLON BAG) WAS PRESENT TO CHALLENGE THE 50% (EACH) CLOGGING LIMIT FOR | | MULTIPLE ECCS STRAINERS. OPERATIONS WAS INFORMED AT 1115 CDT ON 10-16-96, | | OF ENGINEERING'S CONCLUSION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 31160 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: WHITE SANDS MISSLE RANGE |NOTIFICATION DATE: 10/16/96 | | CITY: WHITE SANDS REGION: 4 |NOTIFICATION TIME: 15:10 [ET]| | COUNTY: STATE: NM |EVENT DATE: 10/16/96 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 11:30[MDT]| | DOCKET: |LAST UPDATE DATE: 10/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHARLES CAIN RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: NAT'L RESPONSE CENTER | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAE2 20.2202(b)(2) EXCESSIVE RELEASE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | COBALT-60 RELEASED AT WHITE SANDS MISSILE RANGE. | | | | AN UNDETERMINED AMOUNT OF Co-60 WAS RELEASED TO THE ENVIRONMENT IN OR NEAR | | BUILDING 1840 ON WHITE SANDS MISSILE RANGE. THIS EVENT WAS REPORTED TO THE | | NATIONAL RESPONSE CENTER BY ROADWAY EXPRESS OF EL PASO, TX. A CONTACT | | PHONE NUMBER IS AVAILABLE IN THE HOO LOG. | | | | THE CRATE CONTAINING THE Co-60 HAD A TOTAL OF 99.0 CURIES INSIDE. THE | | CRATE HAS BEEN ISOLATED. NO OTHER ACTIONS WERE REPORTED TO THE NATIONAL | | RESPONSE CENTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 31161 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: CAT ENGINEERING CONSULTANTS |NOTIFICATION DATE: 10/16/96 | | CITY: ORLANDO REGION: 2 |NOTIFICATION TIME: 15:14 [ET]| | COUNTY: POLK STATE: FL |EVENT DATE: 10/15/96 | |LICENSE#: FL-2611-1 AGREEMENT: Y |EVENT TIME: 00:00[EDT]| | DOCKET: |LAST UPDATE DATE: 10/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CAUDLE JULIAN RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: REGION 2 (WOODRUFF) | | |HQ OPS OFFICER: RUDY KARSCH | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CAT ENGINEERING CONSULTANTS, ORLANDO, FL. | | | | A TROXLER MODEL 3440 MOISTURE DENSITY GAGE WAS STOLEN FROM THE BACK OF A | | PICKUP TRUCK. THE GAGE CONTAINED 9 mCi OF CESIUM 137 AND 44 mCi OF AmBe. | | THE LICENSEE HOLDS A FLORIDA LICENSE AND REPORTED THE INCIDENT TO FLORIDA | | ON 10/15/96. REGION 2 (WOODRUFF) REPORTED THE EVENT TO THE OPERATIONS | | CENTER. REGION 2 IS ISSUING PN 072. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31162 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 10/16/96 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 15:41 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 10/16/96 | +------------------------------------------------+EVENT TIME: 09:29[EDT]| |NRC NOTIFIED BY: ART ZAREMBA |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HERB WILLIAMS RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | A LICENSEE SUPERVISOR IN AN ADMINISTRATIVE DEPARTMENT WAS CONFIRMED | | POSITIVE FOR ALCOHOL USE DURING A RANDOM TEST. THE INDIVIDUAL'S ACCESS HAS | | BEEN SUSPENDED, AND HE HAS BEEN REFERRED TO THE EMPLOYEE'S ASSISTANCE | | PROGRAM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31163 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 10/16/96 | |UNIT: [1] [2] [ ] STATE: FL |NOTIFICATION TIME: 16:17 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 10/07/96 | +------------------------------------------------+EVENT TIME: 12:00[EDT]| |NRC NOTIFIED BY: W.G. WHITE |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CAUDLE JULIAN 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 | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A TERMINATED EMPLOYEE'S SITE ACCESS WAS NOT SUSPENDED. HIS ACCESS HAS NOW | | BEEN SUSPENDED, AND THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED. SEE HOO | | LOG FOR DETAILS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31164 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HADDAM NECK REGION: 1 |NOTIFICATION DATE: 10/16/96 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 17:24 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 10/16/96 | +------------------------------------------------+EVENT TIME: 17:12[EDT]| |NRC NOTIFIED BY: ROY BROWN |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HERB WILLIAMS 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE CONTAINMENT AIRLOCK HYDRAULIC SYSTEM IS NOT COVERED BY THE QA PROGRAM. | | | | THE CONTAINMENT AIRLOCK HYDRAULIC SYSTEM PENETRATES THE CONTAINMENT | | PRESSURE BOUNDARY AS A NON-SEISMIC, NON-QA SYSTEM WITH NO ISOLATION FOR THE | | PENETRATION. SINCE THE SYSTEM IS NON-QA, THE HYDRAULIC SYSTEM MAY NOT | | MAINTAIN INTEGRITY OF THE CONTAINMENT PRESSURE BOUNDARY DURING LARGE BREAK | | LOCA CONDITIONS. | | | | THE LICENSEE WILL EVALUATE THE NEED TO MODIFY THE HYDRAULIC SYSTEM PRIOR TO | | CORE ALTERATIONS. THE NRC RESIDENT INSPECTOR WILL BE INFORMED. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 31165 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: GENERAL ATOMICS |NOTIFICATION DATE: 10/16/96 | | CITY: SAN DIEGO REGION: 4 |NOTIFICATION TIME: 18:03 [ET]| | COUNTY: SAN DIEGO STATE: CA |EVENT DATE: 10/16/96 | |LICENSE#: SNM-696 AGREEMENT: Y |EVENT TIME: 16:15[PDT]| | DOCKET: |LAST UPDATE DATE: 10/16/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHARLES CAIN RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: KEITH ASMUSSEN | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |KBBF 70.50(b)(2)(ii) EQUIP DISABLED/FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HOT CELL HEPA FILTER MAY HAVE BEEN INOPERABLE | | | | A FIRE IN A HOT CELL MAY HAVE FILLED THE HEPA FILTER WITH PARTICULATE AND | | RENDERED IT INOPERABLE. THE FIRE WAS DISCOVERED AFTER IT HAD ALREADY SELF | | EXTINGUISHED. THE HOT CELL WAS IN THE PROCESS OF BEING DECOMMISSIONED. ALL | | OF THE SNM HAD BEEN REMOVED, BUT CONTAMINATION LEVELS ON THE ORDER OF | | 50,000 DPM PER 100 CMý WERE STILL PRESENT. NO ACTIVITY WAS RELEASED | | BECAUSE OF THIS EVENT. THE FIRE BURNED SOME PLASTIC IN THE HOT CELL, BUT | | THE CAUSE OF THE FIRE IS NOT KNOWN. | | | | THE HEPA FILTER IS BEING REPLACED. | | | | * * * UPDATE FROM ASMUSSEN TAKEN BY WEAVER AT 2049 ON 10/16/96 * * * | | | | THE LICENSEE HAS RETRACTED THIS EVENT BASED ON FURTHER INVESTIGATION OF THE | | EVENT. THE BOOSTER FILTER HAD SHOWN SOME INCREASED DIFFERENTIAL PRESSURE | | BECAUSE OF SOOT BUILDUP; HOWEVER, NO INCREASED DIFFERENTIAL PRESSURE WAS | | NOTED ON THE HEPA FILTER BANK PREFILTERS. THEREFORE, THE FILTER SYSTEM | | REMAINED FUNCTIONAL THROUGHOUT THIS EVENT. HOO NOTIFIED R4DO (CAIN). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31166 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 10/16/96 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 18:51 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 10/16/96 | +------------------------------------------------+EVENT TIME: 18:38[EDT]| |NRC NOTIFIED BY: JOHN RILEY |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HERB WILLIAMS 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FLOODING COULD CAUSE THE EDGs TO BECOME INOPERABLE | | | | THE EDG ROOM FLOOR DRAINS LEAD TO A COMMON DRAIN LINE IN THE YARD. THE | | CHECK VALVES IN THE EDG ROOMS LEAK (APPROXIMATELY 3 GPM), AND THE INTERNALS | | OF THE CHECK VALVE IN THE COMMON LINE WERE NOT INSTALLED. THEREFORE, | | FLOODING COULD RESULT IN BACKFLOW FROM THE YARD INTO THE EDG ROOMS AND | | CAUSE THE EDGs TO BECOME INOPERABLE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND THE STATE OF CT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31167 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FERMI REGION: 3 |NOTIFICATION DATE: 10/16/96 | |UNIT: [2] [ ] [ ] STATE: MI |NOTIFICATION TIME: 20:29 [ET]| |RX TYPE: [2] GE-4 |EVENT DATE: 10/16/96 | +------------------------------------------------+EVENT TIME: 17:20[EDT]| |NRC NOTIFIED BY: ROBERT GAILLIEZ |LAST UPDATE DATE: 10/16/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ESF ACTUATION - LOSS OF DIVISION I PNEUMATICS TO THE PRIMARY CONTAINMENT | | | | WHILE RESTORING 130 VDC BATTERY 2A-2 TO SERVICE, POWER TO DC LOADS WAS | | LOST. THIS CAUSED A LOSS OF POWER TO THE DIVISION I PRIMARY CONTAINMENT | | PNEUMATIC SUPPLY VALVE (OUTBOARD ISOLATION), AND THE VALVE CLOSED. THIS | | RESULTED IN A LOSS OF DIV I PNEUMATICS AND CLOSURE OF THE REACTOR | | RECIRCULATION CRD SUPPLY TO DIVISION II INBOARD SEAL CAVITY INBOARD PRIMARY | | CONTAINMENT ISOLATION VALVE. OTHER DIVISION I VALVES WERE ALREADY CLOSED | | BECAUSE OF WORK TAKING PLACE ON THE PNEUMATIC SYSTEM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31168 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MONTICELLO REGION: 3 |NOTIFICATION DATE: 10/17/96 | |UNIT: [1] [ ] [ ] STATE: MN |NOTIFICATION TIME: 04:37 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 10/17/96 | +------------------------------------------------+EVENT TIME: 03:00[CDT]| |NRC NOTIFIED BY: JIM McKAY |LAST UPDATE DATE: 10/17/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ROBERT CAPRA EO | | |STINEDURF FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - UE DECLARED WHEN DISCHARGE CANAL RAD MONITOR ALARMED DURING HEAVY RAINS - | | | | AT 0300 (CDT), THE LICENSEE DECLARED AN UNUSUAL EVENT AFTER THE PLANT | | RECEIVED A PLANT DISCHARGE CANAL RADIATION MONITOR ALARM DUE TO HEAVY RAINS | | ONSITE (0.98 INCHES IN 1 HOUR). THE RADIATION MONITOR ALARMED AT 20 COUNTS | | PER SECOND; NORMAL LEVELS ARE 4 TO 6 COUNTS PER SECOND. | | | | STRONG SWIRLING WINDS FROM THE NORTH ARE FORCING THE REACTOR BUILDING | | PLENUM EXHAUST GASES TO THE GROUND, AND THE GASES ARE MIXING WITH THE RAIN | | AND WATER ON THE GROUND. THE WATER IS RUNNING INTO THE STORM DRAINS AND | | INTO THE PLANT DISCHARGE CANAL. | | | | THE PLANT DISCHARGE CANAL RADIATION MONITOR COUNT RATE HAS INCREASED DURING | | HEAVY RAINS IN THE PAST. | | | | PLANT PERSONNEL HAVE SURVEYED THE PLANT AND FOUND NO RADIATION LEAKING FROM | | THE PLANT. | | | | PLANT PERSONNEL ARE ANALYZING A SAMPLE OF THE PLANT DISCHARGE CANAL WATER | | FOR RADIATION. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND WILL NOTIFY THE NRC | | RESIDENT INSPECTOR OF THE DECLARATION OF THE UNUSUAL EVENT. | | | | * * * UPDATE AT 0534 FROM JIM McKAY ENTERED BY DICK JOLLIFFE * * * | | | | AT 0427 (CDT), THE LICENSEE TERMINATED THE UNUSUAL EVENT. THE RAINS AND | | WIND HAVE DECREASED SIGNIFICANTLY. THE PLANT DISCHARGE CANAL RADIATION | | MONITOR IS NOW READING 13 COUNTS PER SECOND. THE ANALYSIS OF THE PLANT | | DISCHARGE CANAL WATER SAMPLE INDICATED NOTHING ABNORMAL ABOVE NORMAL | | BACKGROUND LEVELS. | | | | THE LICENSEE WILL NOTIFY STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR OF THE TERMINATION OF THE UNUSUAL EVENT. | | | | THE HOO NOTIFIED R3DO JIM McCORMICK-BARGER, NRR EO BOB CAPRA, AND FEMA | | STINEDURF OF THE TERMINATION OF THE UNUSUAL EVENT. | +------------------------------------------------------------------------------+