U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/16/94 - 06/17/94 ** EVENT NUMBERS ** 27403 27404 27405 27406 27407 27408 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27403 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 06/16/94 | |UNIT: [1] [ ] [ ] STATE: MD |NOTIFICATION TIME: 03:14 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 06/16/94 | +------------------------------------------------+EVENT TIME: 01:35[EDT]| |NRC NOTIFIED BY: ARNOLD SHUMAKER |LAST UPDATE DATE: 06/16/94 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT 1 EXPERIENCED A REACTOR TRIP ON TURBINE TRIP DURING WEEKLY TURBINE | | STOP VALVE TESTING. | | | | WHILE OPERATING AT 100% REACTOR POWER WITH WEEKLY TURBINE STOP VALVE | | TESTING IN PROGRESS, THE TURBINE TRIPPED FOR REASONS UNKNOWN CAUSING A | | REACTOR TRIP. ALL RODS FULLY INSERTED. NO PRIMARY OR SECONDARY SAFETIES | | LIFTED. ALL ELECTRICAL BUSES REMAINED ENERGIZED WITH A NORMAL TRANSFER TO | | OFFSITE POWER. DECAY HEAT IS BEING REJECTED TO THE MAIN CONDENSER. MAIN | | FEEDWATER REMAINED IN OPERATION, HOWEVER, BOTH OF THE MFW BYPASS VALVES DID | | NOT OPEN AS FAR AS EXPECTED TO ALLOW SUFFICIENT POST TRIP MFW FLOW. THIS | | RESULTED IN THE STANDBY TURBINE AUXILIARY FEEDWATER PUMP AUTOSTARTING AT | | -170 INCHES WIDE RANGE. WITH BOTH MAIN AND AUXILIARY FEEDWATER IN SERVICE | | PRIMARY PLANT TEMPERATURE DECREASED TO 526F BEFORE RETURNING TO THE NORMAL | | POST TRIP TEMPERATURE OF 532F. PRESSURIZER LEVEL DECREASED DURING THE | | TRANSIENT TO A MINIMUM OF 90 INCHES (PZR HEATER CUTOFF OCCURS AT 101 | | INCHES) BEFORE RECOVERING TO 153 INCHES. THE LICENSEE IS CURRENTLY IN THE | | PROCESS OF SHUTTING DOWN THE AUXILIARY FEEDWATER SYSTEM AND WILL CONDUCT AN | | INVESTIGATION INTO THE CAUSE OF THE TURBINE TRIP AND THE FAILURE OF THE MFW | | BYPASS VALVES TO FULLY OPEN. THE LICENSEE HAS NOT DETERMINED A RESTART | | DATE. THE LICENSEE NOTIFIED THE CALVERT CONTROL CENTER AS A COURTESY AND | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27404 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: THREE MILE ISLAND REGION: 1 |NOTIFICATION DATE: 06/16/94 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 05:26 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP |EVENT DATE: 06/16/94 | +------------------------------------------------+EVENT TIME: 03:44[EDT]| |NRC NOTIFIED BY: FINKLE |LAST UPDATE DATE: 06/16/94 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFEGUARDS SYSTEM DEGRADATION RELATED TO VITAL AREA ACCESS. IMMEDIATE | | COMPENSATORY MEASURES TAKEN ON DISCOVERY. SEE HOO LOG FOR DETAILS. THE | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27405 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 06/16/94 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 14:33 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/16/94 | +------------------------------------------------+EVENT TIME: 14:33[EDT]| |NRC NOTIFIED BY: GRANT FRENSLER |LAST UPDATE DATE: 06/16/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 | | 2 | N Y 80 POWER OPERATION | 80 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PRESS RELEASE CONCERNING LOW LEVEL RADIOACTIVE WASTE STORAGE. | | | | THE FOLLOWING IS THE TEXT OF A PRESS RELEASE ISSUED BY THE LICENSEE: | | "LOW-LEVEL RADIOACTIVE WASTE FROM THE SUSQUEHANNA NUCLEAR POWER PLANT NEAR | | BERWICK WILL BE STORED TEMPORARILY AT THE PLANT BEGINNING JULY 1, WHEN THE | | ONLY AVAILABLE DISPOSAL FACILITY IN THE COUNTRY CLOSES TO RADIOACTIVE WASTE | | PRODUCERS OUTSIDE OF THE SOUTHEAST. | | | | THE SOUTH CAROLINA LEGISLATURE RECENTLY DECIDED TO LIMIT USE OF THE | | FACILITY, LOCATED IN BARNWELL COUNTY, TO EIGHT SOUTHEASTERN STATES. | | | | 'EXPECTING THIS ACTION, WE PREPARED TO STORE SUSQUEHANNA'S LOW-LEVEL | | RADIOACTIVE WASTE IN A SPECIALLY DESIGNED BUILDING INSIDE THE PLANT'S | | PROTECTED AREA' SAID HERBERT D. WOODESHICK, SPECIAL ASSISTANT TO THE | | PRESIDENT FOR PENNSYLVANIA POWER & LIGHT CO., OPERATOR OF THE PLANT. | | | | THE METAL BUILDING, BUILT IN 1982, HOUSES A SERIES OF STORAGE VAULTS WITH | | CONCRETE WALLS 18 INCHES THICK. THE BUILDING CAN SAFELY STORE UP TO 240,000 | | CUBIC FEET OF LOW-LEVEL WASTE. | | | | AT SUSQUEHANNA, LOW-LEVEL RADIOACTIVE WASTE CONSISTS OF FILTER MATERIAL, | | RAGS, TOOLS, PROTECTIVE CLOTHING AND OTHER ITEMS THAT BECOME CONTAMINATED | | AS THEY ARE USED IN THE PLANT. LOW-LEVEL WASTE DOES NOT INCLUDE USED | | REACTOR FUEL. | | | | 'THE WASTE IS SOLID AND WILL BE SAFELY CONTAINED UNTIL A PERMANENT DISPOSAL | | SITE IS OPERATING IN PENNSYLVANIA, PROBABLY AROUND THE END OF THE DECADE,' | | WOODESHICK SAID. 'THERE WILL BE NO INCREASED RISK TO PLANT WORKERS OR THE | | PUBLIC FROM THE USE OF SUSQUEHANNA'S STORAGE FACILITY. | | | | THE AMOUNT OF LOW-LEVEL RADIOACTIVE WASTE PRODUCED AT SUSQUEHANNA HAS | | DECREASED STEADILY IN RECENT YEARS TO A LOW OF ABOUT 9,600 CUBIC FEET IN | | 1993. PP&L IS USING TECHNOLOGY SUCH AS INCINERATION AND SUPERCOMPACTION TO | | REDUCE THE WASTE VOLUME, AND PLANT WORKERS HAVE STEPPED UP EFFORTS TO LIMIT | | THE AMOUNT OF WASTE THEY CREATE. | | | | SOUTH CAROLINA'S DECISION ON THE BARNWELL FACILITY AFFECTS MORE THAN | | NUCLEAR POWER PLANTS. IN PENNSYLVANIA, HUNDREDS OF BUSINESSES, HOSPITALS, | | RESEARCH FACILITIES AND UNIVERSITIES THAT USE RADIOACTIVE MATERIALS WILL BE | | REQUIRED TO STORE THE LOW-LEVEL RADIOACTIVE WASTE THEY GENERATE UNTIL A | | PERMANENT DISPOSAL SITE IS READY. | | | | THE SUSQUEHANNA PLANT, LOCATED IN LUZERNE COUNTY ABOUT FIVE MILES NORTH OR | | BERWICK, IS JOINTLY OWNED BY PP&L AND ALLEGHENY ELECTRIC COOPERATIVE INC." | | END OF TEXT. | | | | THE RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27406 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NORTH ANNA REGION: 2 |NOTIFICATION DATE: 06/16/94 | |UNIT: [1] [2] [ ] STATE: VA |NOTIFICATION TIME: 15:59 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 06/16/94 | +------------------------------------------------+EVENT TIME: 15:26[EDT]| |NRC NOTIFIED BY: MIKE BRITT |LAST UPDATE DATE: 06/16/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |FRANCIS JAPE RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |CHRIS GRIMES EO | | |LOUZONIS 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DUE TO LOSS OF METEOROLOGICAL TOWER DATA. | | | | DUE TO THUNDERSTORM ACTIVITY IN THE VICINITY OF THE PLANT, POWER TO THE | | PRIMARY METEOROLOGICAL TOWER WAS LOST FOLLOWING A LIGHTNING STRIKE. BACKUP | | MET DATA EXISTS FOR ALL INDICATIONS AND IS AVAILABLE EXCEPT FOR WIND SPEED. | | (BACKUP WIND SPEED INDICATION WAS ALSO APPARENTLY LOST DURING THE LIGHTNING | | STRIKE). WITHOUT WIND SPEED INDICATION, THE LICENSEE HAS LESS THAN THE | | REQUIRED INSTRUMENTATION FOR OFFSITE DOSE CALCULATIONS. PER LICENSEE | | EPIP's, THIS PLACES THEM IN AN UNUSUAL EVENT. | | | | EFFORTS TO RESTORE THE MET TOWER POWER AND WIND SPEED INDICATIONS ARE IN | | PROGRESS. REGIONAL WEATHER DATA ON WIND SPEED SHALL BE USED, IF REQUIRED, | | IN THE INTERIM. THE LICENSEE NOTES THAT POWER TO THE LOCAL EOF HAS ALSO | | BEEN LOST. THE CORPORATE EOF HAS BEEN DESIGNATED AS THE PRIMARY EOF UNTIL | | POWER IS RESTORED TO THE LOCAL FACILITY. | | | | THE NRC RESIDENT, STATE AND LOCAL AUTHORITIES HAVE BEEN NOTIFIED. | | | | *** UPDATE FROM BRITT TO HUFFMAN AT 17:04 EST ON 6/16/94 *** | | THE UNUSUAL EVENT WAS TERMINATED AT 16:56 EST WHEN THE BACKUP WIND SPEED | | INDICATION WAS RETURNED TO SERVICE. R2DO(JAPE), EO(THOMAS), AND | | FEMA(LOUZONIS) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27407 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 06/16/94 | |UNIT: [1] [2] [ ] STATE: GA |NOTIFICATION TIME: 16:53 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/16/94 | +------------------------------------------------+EVENT TIME: 14:13[CDT]| |NRC NOTIFIED BY: ED URQUHART |LAST UPDATE DATE: 06/16/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |FRANCIS JAPE 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSED OPERATOR VIOLATED FITNESS FOR DUTY REQUIREMENTS. | | | | A LICENSED REACTOR OPERATOR (NON-SUPERVISORY) ADMITTED TO VIOLATING HFIT | | REQUIREMENTS. THE EMPLOYEE SELF-ADMITTED DRUG AND ALCOHOL ABUSE DURING A | | PSYCHOLOGICAL EVALUATION. A DRUG TEST WAS ADMINISTERED BUT RESULTS WERE | | NEGATIVE. THE INDIVIDUAL'S UNESCORTED ACCESS TO THE SITE HAS BEEN | | SUSPENDED. A REVIEW OF THE INDIVIDUAL'S SAFETY RELATED WORK ACTIVITIES IS | | IN PROGRESS. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27408 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 06/16/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 19:23 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/16/94 | +------------------------------------------------+EVENT TIME: 16:46[CDT]| |NRC NOTIFIED BY: NIEDERER |LAST UPDATE DATE: 06/16/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MONTE PHILLIPS RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 55 POWER OPERATION | 47 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FLUX SUPPRESSION INSERTS NOT LOADED INTO CORE DURING LAST REFUELING. | | | | UNIT 1 IS CURRENTLY PERFORMING THE INITIAL POWER ASCENSION FOLLOWING A | | STARTUP (ON 6/14) FROM AN EXTENDED REFUELING/MAINTENANCE OUTAGE. BASED ON | | NUCLEAR INSTRUMENTATION RESPONSES, BOTH FLUX MAPS AND EX-CORES, THERE WERE | | INDICATIONS THAT THE FLUX SUPPRESSION INSERTS SPECIFIED FOR THIS CORE | | (CYCLE 14) WERE NOT PRESENT. THE LACK OF FLUX SUPPRESSION INSERTS WAS | | SUBSEQUENTLY CONFIRMED BY REVIEWING A VIDEO TAPE OF THE ASSEMBLED CORE MADE | | PRIOR TO COMPLETION OF THE RECENT REFUELING. | | | | UPON CONFIRMATION OF THIS CONDITION, THE ONGOING POWER INCREASE WAS | | TERMINATED AND POWER WAS REDUCED BELOW 50%. BASED ON AN INITIAL ENGINEERING | | ASSESSMENT, THE LICENSEE HAS DETERMINED THAT APPROPRIATE CORE LIMITS (SUCH | | AS THERMAL HYDRAULIC, ECCS, AND TRANSIENT ACCIDENT ANALYSIS LIMITS) | | REQUIRED BY THE SAFETY ANALYSIS ARE MET. THE LICENSEE THEREFORE CONSIDERS | | THAT OPERATION AT THE CURRENT POWER LEVEL IS ACCEPTABLE. NO TECH SPEC LCO'S | | ARE IN EFFECT FROM THIS CONDITION. A MORE RIGOROUS REVIEW IS CURRENTLY | | BEING PERFORMED BY COMMONWEALTH EDISON'S NUCLEAR FUEL SERVICE DEPARTMENT. | | POWER WILL BE KEPT BELOW 50% UNTIL ALL CONSIDERATIONS AND OPTIONS ARE | | DETERMINED AND EVALUATED. | | | | THE FLUX SUPPRESSION INSERTS ARE LOCATED IN PERIPHERAL ASSEMBLIES OF THE | | CORE, TWO PER QUADRANT FOR A TOTAL OF EIGHT INSERTS. THE INSERTS ARE | | DESIGNED TO REDUCE NEUTRON FLUENCE AT THE REACTOR VESSEL WELDS AND ARE | | PLACED IN ASSEMBLY ABSORBER ROD GUIDE THIMBLE POSITIONS (20 RODLETS PER | | INSERT WITH 36 INCHES OF HAFNIUM LOCATED JUST BELOW THE CORE MIDLINE). | | THESE INSERTS SHOULD HAVE BEEN REMOVED FROM THE ASSEMBLIES IN WHICH THEY | | WERE LOCATED DURING THE PREVIOUS FUEL CYCLE AND TRANSFERRED TO THE | | ASSEMBLIES SHUFFLED TO PERIPHERY FOR THIS CYCLE. THIS REFUELING OPERATION | | WOULD NORMALLY HAVE TAKEN PLACE WHILE THE CORE HAD BEEN OFF-LOADED IN THE | | SPENT FUEL POOL. THE REASON THEY WERE NOT MOVED IS STILL UNDER | | INVESTIGATION. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+