U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/20/96 - 09/23/96 ** EVENT NUMBERS ** 31030 31031 31032 31033 31034 31035 31036 31037 31038 31039 31040 31041 31042 31043 31044 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31030 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 09/20/96 | |UNIT: [ ] [2] [ ] STATE: GA |NOTIFICATION TIME: 03:12 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/20/96 | +------------------------------------------------+EVENT TIME: 01:04[EDT]| |NRC NOTIFIED BY: JAMES ROBINSON |LAST UPDATE DATE: 09/20/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM DECKER 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 +------------------------------------------------------------------------------+ | INJURED WORKER TRANSPORTED OFFSITE. | | | | A WESTINGHOUSE EMPLOYEE WORKING ON A UNIT 2 STEAM GENERATOR APPEARED TO BE | | OVERCOME BY HEAT EXHAUSTION AND COLLAPSED ON THE PLATFORM UPON WHICH HE WAS | | WORKING. HE WAS REMOVED FROM CONTAINMENT AND SURVEYED AT THE HP CONTROL | | POINT, WHERE HIS PROTECTIVE CLOTHING WAS REMOVED. HE WAS THEN TRANSPORTED | | OFFSITE TO THE LOCAL HOSPITAL ALONG WITH AN HP TECHNICIAN. THE INDIVIDUAL | | HAD 300 COUNTS PER MINUTE ON HIS CHIN, AND THE HP WAS UNABLE TO SURVEY | | BENEATH HIM AS HE LAY ON HIS BACK DUE TO THE INDIVIDUAL COMPLAINING OF BACK | | PAIN. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 0432 EDT * * * | | THE WORKER WAS SUCCESSFULLY DECONTAMINATED AT THE HOSPITAL. NO | | CONTAMINATION WAS FOUND IN EITHER THE AMBULANCE OR AT THE HOSPITAL | | TREATMENT ROOM. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31031 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 09/20/96 | |UNIT: [1] [2] [3] STATE: AL |NOTIFICATION TIME: 09:22 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 09/19/96 | +------------------------------------------------+EVENT TIME: 17:00[CDT]| |NRC NOTIFIED BY: VIC WHALEY |LAST UPDATE DATE: 09/20/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSED INDIVIDUAL TESTED POSITIVE FOR A CONTROLLED SUBSTANCE. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. SEE HOO LOG FOR ADDITIONAL | | DETAILS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31032 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 09/20/96 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 11:48 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 09/20/96 | +------------------------------------------------+EVENT TIME: 11:33[EDT]| |NRC NOTIFIED BY: SANTINI |LAST UPDATE DATE: 09/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICK KEIMIG RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | NOTIFIED THE STATE OF NEW YORK DEPARTMENT OF ENVIRONMENTAL CONSERVATION AND | | THE WESTCHESTER COUNTY DEPARTMENT OF HEALTH THAT 500 GALLONS OF OIL WAS | | SPILLED ON THEIR PROPERTY. | | | | ON 09/19/96 IT WAS DISCOVERED THAT THE SOIL AROUND AN UNDERGROUND 500 | | GALLON OIL TANK WAS SOAKED WITH OIL. THE LICENSEE ASSUMED THAT ALL THE OIL | | IN THE TANK HAD LEAKED OUT. THE UNDERGROUND OIL TANK IS LOCATED ON OWNER | | CONTROLLED PROPERTY. THE LICENSEE NOTIFIED THE NEW YORK STATE DEPARTMENT | | OF ENVIRONMENTAL CONSERVATION AND THE WESTCHESTER COUNTY DEPARTMENT OF | | HEALTH OF THIS EVENT. A HAZMAT TEAM RESPONDED TO THE OIL SPILL. THE | | LICENSEE SAID THAT AS FAR AS THEY KNOW NONE OF THE OIL SEEPED INTO ANY | | WATER SOURCES. SOME OF THIS OIL SPILL SPREAD ONTO INDIAN POINT UNIT 3 | | PROPERTY. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED OF THIS BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31033 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HADDAM NECK REGION: 1 |NOTIFICATION DATE: 09/20/96 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 14:47 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 08/01/96 | +------------------------------------------------+EVENT TIME: 18:00[EDT]| |NRC NOTIFIED BY: GUNTIS GONCAROVS |LAST UPDATE DATE: 09/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICK KEIMIG 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NOTIFIED THE STATE OF CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION | | THAT THEY DISCHARGED 52,000 GALLONS OF DEMINERALIZED WATER TO THEIR | | DISCHARGE CANAL. | | | | WHILE PREPARING THEIR AUGUST DISCHARGE REPORT (ON 09/19/96), IT WAS | | DISCOVERED THAT THEIR NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM | | (NPDES) PERMIT ISSUED BY THE STATE OF CONNECTICUT LIMITS THEIR DAILY LIQUID | | DISCHARGE TO 22,000 GALLONS. ON 08/01/96, WHILE IN PREPARATION FOR | | REFUELING OPERATIONS THE LICENSEE DISCHARGED 52,000 GALLONS OF | | DEMINERALIZED WATER TO THEIR DISCHARGE CANAL. THE DISCHARGE CANAL FLOWS TO | | THE CONNECTICUT RIVER. THE PROCEDURES USED IN DISCHARGING LIQUIDS FOCUSES | | ON THE CHEMICAL/PARTICULATE CONTENT OF THE WATER BEING DISCHARGED AND NOT | | ON THE TOTAL AMOUNT OF THE LIQUID BEING DISCHARGED. PERSONNEL MAKING THE | | DISCHARGE WERE UNAWARE OF THE NPDES PERMIT DISCHARGE LIMIT OF 22,000 | | GALLONS PER DAY. UPON DISCOVERY OF EXCEEDING THEIR NPDES PERMIT LIMIT THE | | LICENSEE NOTIFIED THE STATE OF CONNECTICUT DEPARTMENT OF ENVIRONMENTAL | | PROTECTION THAT ON THE EVENING OF 08/01/96 THEY DISCHARGED 52,000 GALLONS | | OF DEMINERALIZED WATER TO THEIR DISCHARGE CANAL. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31034 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 09/20/96 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 14:41 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 09/20/96 | +------------------------------------------------+EVENT TIME: 14:27[EDT]| |NRC NOTIFIED BY: LANGAN |LAST UPDATE DATE: 09/20/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KEIMIG 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POSTULATED FAILURE OF OFFSITE DISTRIBUTION SYSTEM COULD CAUSE LOSS OF | | OFFSITE POWER. | | | | THE LICENSEE HAS DETERMINED THAT THE FAILURE OF A PARTICULAR TOWER IN THE | | OFFSITE ELECTRICAL DISTRIBUTION SYSTEM COULD, UNDER CERTAIN CIRCUMSTANCES, | | CAUSE A LOSS OF OFFSITE POWER TO ALL UNITS. PARTICULARLY, IF ALL UNITS WERE | | OPERATING WITH ELECTRICAL GENERATION OF 2600 MWe, THE FAILURE OF THIS | | PARTICULAR TOWER COULD DISRUPT THREE SEPARATE DISTRIBUTION CIRCUITS, AND | | THE RESULTANT GRID DISTURBANCE COULD CAUSE A LOSS OF OFFSITE POWER TO THE | | UNITS. THE LICENSEE REPORTED THAT THIS NOTIFICATION IS SIMILAR TO MILLSTONE | | LER 92-20. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31035 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 09/20/96 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 16:23 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 09/20/96 | +------------------------------------------------+EVENT TIME: 16:16[EDT]| |NRC NOTIFIED BY: LANGAN |LAST UPDATE DATE: 09/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICK KEIMIG 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL NON-CONSERVATIVE THRUST CALCULATIONS FOR GENERIC LETTER 89-10 | | MOTOR OPERATED VALVES (MOVs) | | | | MOV ENGINEERING REVIEW OF NRC INFORMATION NOTICE 96-48 (MOTOR OPERATED | | VALVE PERFORMANCE ISSUES) CONCLUDES THAT THE THRUST CALCULATIONS FOR | | GENERIC LETTER 89-10 MAY NOT BE CONSERVATIVE. IN THE THRUST CALCULATIONS, | | THE LIMITORQUE PUBLISHED RUNNING EFFICIENCY AND APPLICATION FACTOR OF 1.0 | | WAS USED FOR THE CLOSING STROKE. INFORMATION NOTICE 96-48 INDICATES THAT | | THE PUBLISHED PULLOUT EFFICIENCY (WHICH IS LOWER THAN THE RUNNING | | EFFICIENCY) AND AN APPLICATION FACTOR OF 0.9 SHOULD BE USED IN THE | | CALCULATION. INITIAL SCREENING OF MOVs FOR UNIT 3 HAVE IDENTIFIED 27 MOVs | | (THESE VALVES ARE ASSOCIATED WITH THE CHARGING SYSTEM, AUXILIARY FEEDWATER | | SYSTEM, MAIN STEAM SYSTEM, RESIDUAL HEAT REMOVAL SYSTEM, AND THE LOW HEAD | | SAFETY INJECTION SYSTEM). POWER HAS BEEN REMOVED FROM THE 27 MOVs. LICENSEE | | WILL REVIEW ALL GENERIC LETTER 89-10 MOV's FOR OPERABILITY AND WILL NOTIFY | | B&W (DEVELOPER OF THE THRUST CALCULATION SOFTWARE "MOVE") REGARDING THE | | REQUIREMENT TO USE 0.9 FOR THE APPLICATION FACTOR, AND NOT 1.0, WHERE | | APPLICABLE. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31036 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 09/20/96 | |UNIT: [ ] [2] [3] STATE: IL |NOTIFICATION TIME: 16:31 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 09/20/96 | +------------------------------------------------+EVENT TIME: 13:45[CDT]| |NRC NOTIFIED BY: BRAIN HANSON |LAST UPDATE DATE: 09/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL JORDAN RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N N 0 REFUELING | 0 REFUELING | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NOTIFIED THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY (EPA) THAT THEY HAD | | VIOLATED THEIR NPDES (NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM) | | PERMIT. | | | | THE STATION LOST 139KV LINE 1207 DUE TO AN ELECTRICAL FAULT OFFSITE. AS A | | RESULT, THE STATION COOLING LAKE PUMPS WERE LOST AND THE COOLING LAKE WAS | | BYPASSED. THIS IS A VIOLATION OF THE STATIONS NPDES PERMIT WHICH PROHIBITS | | DIRECT OPEN CYCLE. LICENSEE NOTIFIED THE ILLINOIS EPA OF THIS OCCURRENCE. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 31037 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: |NOTIFICATION DATE: 09/20/96 | | CITY: BLYTHEVILLE REGION: 4 |NOTIFICATION TIME: 16:38 [ET]| | COUNTY: MISSISSIPPI STATE: AR |EVENT DATE: 09/20/96 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 15:00[CDT]| | DOCKET: |LAST UPDATE DATE: 09/20/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BILL JOHNSON RDO | | |JOHN GREEVES (NMSS) EO | +------------------------------------------------+CHEN (NRC) EPA | |NRC NOTIFIED BY: STEVE MACK | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE ARKANSAS DEPARTMENT OF HEALTH, DIVISION OF RADIATION CONTROL WAS | | NOTIFIED BY A CONSULTING FIRM THAT A RADIOACTIVE OBJECT HAD BEEN FOUND IN | | THE SCRAP YARD OF A STEEL MILL. | | | | SUNTRAC (CONSULTING FIRM LOCATED IN TEXAS) WAS NOTIFIED BY NUCOR-YAMATO, A | | STEEL MILL COMPANY LOCATED IN BLYTHEVILLE, AK., THAT AN OBJECT THE SIZE OF | | A COFFEE CUP HAD BEEN IDENTIFIED AS BEING RADIOACTIVE BY A RADIATION | | DETECTOR. PERSONNEL AT THE STEEL PLANT SAID THAT A LOWER READING SURVEY | | METER HAD PEGGED HIGH WHEN PLACED NEAR THE OBJECT. THE TYPE/MAKE OF | | DETECTOR USED TO TAKE THE SURVEY WAS UNKNOWN. THE STATE OF ARKANSAS CALLER | | SAID THAT HE WAS GUESSING THAT THE CONTACT READING ON THE COFFEE CUP SIZE | | OBJECT WAS AROUND 20mrem/hr. THE AREA HAS BEEN CLEARED AROUND THE OBJECT | | AND THE CALLER SAID THAT AS FAR AS HE KNEW NOBODY HAD TOUCHED OR HAD COME | | IN CONTACT WITH THE OBJECT. A PERSON FROM SUNTRAC SHOULD BE AT NUCOR-YAMATO | | STEEL MILL IN BLYTHEVILLE, AK., TOMORROW (09/21/96), TO DISPOSE OF THE | | OBJECT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31038 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 09/21/96 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 08:01 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 09/21/96 | +------------------------------------------------+EVENT TIME: 08:00[EDT]| |NRC NOTIFIED BY: RON LINGLE |LAST UPDATE DATE: 09/21/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | TECH SPEC REQUIRED SHUTDOWN | | | | THE PLANT STARTED REDUCING POWER AT 0800 TODAY IN ACCORDANCE WITH TECH SPEC | | 3.3.1. ON 9/18/92, AT 0132, THE "B" HIGH PRESSURE INJECTION PUMP TRIPPED | | DUE TO AN ELECTRICAL SHORT IN THE PUMP MOTOR. THE PLANT ENTERED A 72 HOUR | | LCO AT THE TIME THE PUMP TRIPPED. SINCE THEY WERE UNABLE TO REPAIR THE | | PUMP WITHIN THE 72 HOUR TIME FRAME, THE PLANT MUST BE PLACED IN HOT | | SHUTDOWN WITHIN 12 HOURS. THE 12 HOUR CLOCK STARTED AT 0132 ON 9/21/96. | | | | THE ONLY OTHER SAFETY RELATED EQUIPMENT WHICH IS CURRENTLY INOPERABLE IS A | | HYDROGEN ANALYZER. THE RESIDENT INSPECTOR HAS BEEN INFORMED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31039 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 09/21/96 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 18:02 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 09/21/96 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: ALDRICH |LAST UPDATE DATE: 09/21/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICH KEIMIG 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NOTIFIED THE NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION AND | | THE UNITED STATES COAST GUARD THAT SOME OIL HAD DRAINED INTO LAKE ONTARIO. | | | | IN THE PROCESS OF STARTING THE HYDROGEN SEAL OIL SYSTEM DUE TO A RECENT | | REACTOR SCRAM (09/16/96), APPROXIMATELY 10 GALLONS OF OIL HAD BEEN FOUND ON | | THE ROOF OF THEIR SCREEN HOUSE (COVERS LAKE WELL PUMPS). THE SCREEN HOUSE | | ROOF DRAINS DRAIN TO THE PLANT DISCHARGE TUNNEL WHICH EMPTIES TO LAKE | | ONTARIO. LICENSEE THINKS THAT A SMALL AMOUNT OF OIL DRAINED INTO LAKE | | ONTARIO FROM THE SCREEN HOUSE ROOF. THE NEW YORK STATE DEPARTMENT OF | | ENVIRONMENTAL CONSERVATION AND THE UNITED STATES COAST GUARD WERE NOTIFIED | | OF THE OIL SPILL TO LAKE ONTARIO. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31040 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 09/22/96 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 03:08 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/22/96 | +------------------------------------------------+EVENT TIME: 00:49[EDT]| |NRC NOTIFIED BY: CLAYTON CHA |LAST UPDATE DATE: 09/22/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN 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 88 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TRANSFORMER FAULT CAUSES TURBINE TRIP/REACTOR TRIP | | | | A SUDDEN PRESSURE TRIP ON THE MAIN TRANSFORMER CAUSED THE MAIN TURBINE TO | | TRIP AND SUBSEQUENTLY CAUSED THE REACTOR TO TRIP. ALL CONTROL RODS FULLY | | INSERTED AND THE PLANT RESPONDED AS EXPECTED. ONE EDG WAS RUNNING AT THE | | TIME OF THE TRIP FOR A SURVEILLANCE AND HAS SINCE BEEN SECURED. THE PLANT | | IS STABLE IN MODE 3, DUMPING STEAM TO THE MAIN CONDENSER AS NECESSARY TO | | REMOVE DECAY HEAT. | | | | A THUNDERSTORM WAS PASSING THROUGH THE AREA AT THE TIME OF THE TRIP AND THE | | TRANSFORMER FAULT MAY HAVE BEEN CAUSED BY A LIGHTNING STRIKE. THE LICENSEE | | IS INVESTIGATING THIS ASPECT OF THE EVENT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31041 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 09/22/96 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 03:26 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 09/21/96 | +------------------------------------------------+EVENT TIME: 17:30[EDT]| |NRC NOTIFIED BY: SCOTT HOLLINGSWORTH |LAST UPDATE DATE: 09/22/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | REACTOR COOLANT LEAKAGE REQUIRES REACTOR COOLDOWN | | | | AT 1730, ON 9/21/96, A LEAK WAS IDENTIFIED ON VALVE 2HP-491. THE LEAK IS | | IN THE FORM OF A FINE MIST AND ORIGINATES AT THE SOCKET WELD ON THE INLET | | SIDE OF THE VALVE. 2HP-491 IS A DRAIN VALVE ON A 1 INCH LINE THAT TAPS OFF | | OF THE 2A1 HIGH PRESSURE INJECTION LINE. | | | | ALTHOUGH THIS VALVE CAN BE ISOLATED, THE LICENSEE HAS CHOSEN NOT TO DO THIS | | SINCE IT WOULD ISOLATE ONE TRAIN OF HIGH PRESSURE INJECTION (HPI) | | CAPABILITY. THIS WOULD PLACE UNIT 2 OUTSIDE THE BOUNDS OF TECH SPECS WHICH | | REQUIRE TWO TRAINS OF HIGH PRESSURE INJECTION TO BE OPERABLE. DUE TO THE | | PROXIMITY OF THE ISOLATION VALVE TO THE LEAKING 2HP-491, IT IS ALSO | | UNLIKELY THAT IT COULD BE ISOLATED SHOULD THE LEAK CATASTROPHICALLY FAIL. | | THE LICENSEE HAS INSTEAD ENTERED TECH SPEC 3.1.6.3 WHICH REQUIRES A REACTOR | | SHUTDOWN AND COOLDOWN BE INITIATED WITHIN 24 HOURS OF DETECTION OF THE | | LEAK. | | | | DUE TO THE SMALL SIZE OF THE LEAK AND THE LOW PROBABILITY OF IT INCREASING | | IMMEDIATELY, NORMAL COOLDOWN LIMITS WILL BE FOLLOWED TO COOLDOWN TO 330 | | DEGREES. SINCE 2 TRAINS OF HPI ARE NO LONGER REQUIRED BELOW 330 DEGREES, | | THE LEAK WILL BE ISOLATED AT THAT POINT. THE PLANT WILL THEN EXIT THE LCO | | AND REPAIR THE LEAK. COOLDOWN WAS INITIATED AT 0313. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31042 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 09/22/96 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 11:10 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 09/22/96 | +------------------------------------------------+EVENT TIME: 08:45[EDT]| |NRC NOTIFIED BY: DONALD ROLAND |LAST UPDATE DATE: 09/22/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD KEIMIG RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF AN ESF SYSTEM TO ACTUATE | | | | UNIT 1 WAS IN THE PROCESS OF SWAPPING THE REACTOR PROTECTION POWER SUPPLY | | FOR DIVISION 1 FROM ITS ALTERNATE SOURCE BACK TO ITS NORMAL SOURCE | | FOLLOWING MAINTENANCE. DURING THE SWAP, THE MOMENTARY INTERRUPTION OF | | POWER CAUSED A HALF SCRAM, SEVERAL ISOLATIONS AND ACTUATIONS. ONE OF THE | | EFFECTS IS A TRIP OF THE REACTOR BUILDING VENTILATION ZONE LOCKOUT RELAYS. | | THESE WERE ALL EXPECTED RESPONSES TO THE POWER SUPPLY SWAP. | | | | AFTER THE POWER SWAP, ALL PLANT ACTUATIONS THAT OCCURRED WERE VERIFIED IN | | ACCORDANCE WITH PLANT PROCEDURES. DURING THIS REVIEW, IT WAS DISCOVERED | | THAT THE "A" REACTOR BUILDING RECIRCULATION FAN DID NOT START AS EXPECTED | | ON A ZONE III VENTILATION LOCKOUT RELAY TRIP. | | | | THIS EVENT IS CONSIDERED TO BE A FAILURE OF AN ESF SYSTEM TO ACTUATE WHEN | | CALLED UPON BY ITS LOGIC. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31043 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ARKANSAS NUCLEAR REGION: 4 |NOTIFICATION DATE: 09/22/96 | |UNIT: [1] [2] [ ] STATE: AR |NOTIFICATION TIME: 11:56 [ET]| |RX TYPE: [1] B&W-L-LP,[2] CE |EVENT DATE: 09/22/96 | +------------------------------------------------+EVENT TIME: 07:04[CDT]| |NRC NOTIFIED BY: BILL HINTON |LAST UPDATE DATE: 09/22/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BILL JOHNSON RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N Y 98 POWER OPERATION | 98 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LEAK TEST OF ONE SLUICE GATE THAT ISOLATES THE EMERGENCY COOLING POND FROM | | LAKE DARDANELLE INDICATES THAT THERE MAY HAVE BEEN INSUFFICIENT INVENTORY | | IN THE EMERGENCY COOLING POND TO FULFILL THE SERVICE WATER SAFETY | | FUNCTIONS. | | | | DURING THE UNIT ONE REFUELING OUTAGE, A LEAK TEST ON ONE OF THE SLUICE | | GATES THAT ISOLATES THE EMERGENCY COOLING POND FROM LAKE DARDANELLE AFTER | | AN ACCIDENT WAS PERFORMED. THE RESULTS OF THE TEST INDICATE THAT WHEN BOTH | | UNITS WERE IN POWER OPERATION, THERE MAY HAVE BEEN INSUFFICIENT WATER | | INVENTORY IN THE EMERGENCY COOLING POND TO FULFILL THE SERVICE WATER SAFETY | | FUNCTIONS NECESSARY TO MITIGATE THE CONSEQUENCES OF AN ACCIDENT AS | | DESCRIBED IN THEIR SAFETY ANALYSIS REPORT. THE MEASURED LEAK RATE OF THE | | SLUICE GATE WAS 103.13gpm WHICH IS IN EXCESS OF THE ASSUMED MAXIMUM LEAK | | RATE OF 75gpm USED IN THE EXISTING CALCULATIONS TO PROVE SUFFICIENT WATER | | INVENTORY. THIS PROBLEM WILL BE CORRECTED BEFORE UNIT ONE RETURNS TO POWER | | OPERATIONS. | | | | THE RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31044 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 09/22/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 15:32 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 09/22/96 | +------------------------------------------------+EVENT TIME: 07:52[CDT]| |NRC NOTIFIED BY: GRANLUND |LAST UPDATE DATE: 09/22/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL JORDAN RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | #4 TURBINE CONTROL VALVE FAILED OPEN. THE LICENSEE WILL REDUCE REACTOR | | POWER TO 50% AND THEN MANUALLY SCRAM THE PLANT. | | | | #4 TURBINE CONTROL VALVE FAILED OPEN. THE OTHER THREE TURBINE CONTROL | | VALVES COMPENSATED TO MAINTAIN REACTOR POWER AT 100%. THE LICENSEE WILL NOT | | MANUALLY CLOSE #4 TURBINE CONTROL VALVE BECAUSE THEY ARE CONCERNED ABOUT | | GENERATING A PRESSURE SPIKE IF THE VALVE IS CLOSED. REACTOR POWER WILL BE | | REDUCED TO 50% (CANNOT REDUCE REACTOR POWER BELOW THIS BECAUSE OF #4 | | TURBINE CONTROL VALVE BEING FULL OPEN) AND THEN THE REACTOR WILL BE | | MANUALLY SCRAMMED. THE LICENSEE SAID THAT THEY WILL BE WITHIN THE FLOW | | CONTROL LINE LIMIT FOR 50% POWER, WHEN THE REACTOR IS MANUALLY SCRAMMED. | | ALL EMERGENCY CORE COOLING SYSTEMS AND THE EMERGENCY DIESEL GENERATORS ARE | | FULLY OPERABLE IF NEEDED. THE LICENSEE ALSO SAID THAT THE ELECTRICAL GRID | | IS STABLE. LICENSEE PLANS TO PERFORM THE MANUAL REACTOR SCRAM AT 1700 CDT | | AND REMAIN IN A HOT SHUTDOWN CONDITION UNTIL THE PROBLEM WITH #4 TURBINE | | CONTROL VALVE HAS BEEN CORRECTED. THE LICENSEE THINKS THAT THEY HAVE A | | SERVO PROBLEM WITH THE #4 TURBINE CONTROL VALVE. THE ELECTROHYDRAULIC | | CONTROL SYSTEM SEEMS TO BE OPERATING PROPERLY. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+