U.S. Nuclear Regulatory Commission Operations Center Event Reports For 08/18/95 - 08/21/95 ** EVENT NUMBERS ** 29141 29212 29213 29214 29215 29216 29217 29218 29219 29220 29221 29222 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29141 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FERMI REGION: 3 |NOTIFICATION DATE: 08/01/95 | |UNIT: [2] [ ] [ ] STATE: MI |NOTIFICATION TIME: 04:42 [ET]| |RX TYPE: [2] GE-4 |EVENT DATE: 08/01/95 | +------------------------------------------------+EVENT TIME: 00:50[EDT]| |NRC NOTIFIED BY: DALE HOSKINS |LAST UPDATE DATE: 08/18/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ 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 Y 95 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - 0.5 GPM LEAK FROM Rx RECIRC CONDUCTIVITY SAMPLING SYSTEM FLOW INDICATOR - | | | | FERMI-2 EXPERIENCED A 0.5 GPM LEAK FROM A FAILED FLOW INDICATOR IN THE | | REACTOR RECIRCULATION CONDUCTIVITY SAMPLING SYSTEM. | | | | CONTROL ROOM OPERATORS STOPPED THE LEAK BY MANUALLY CLOSING THE REACTOR | | RECIRCULATION WATER SAMPLE LINE PRIMARY CONTAINMENT ISOLATION VALVES | | #B31-F019 AND #B31-F020 TO ISOLATE THE SYSTEM. CONTROL ROOM OPERATORS | | CLOSED THESE VALVES BECAUSE THE LOCAL MANUAL ISOLATION VALVE WAS TOO CLOSE | | TO THE LEAKING INSTRUMENT. | | | | THE ACTUATION SIGNALS WHICH CAUSE THESE TWO PCIS GROUP 2 ISOLATION VALVES | | TO AUTOMATICALLY CLOSE ARE REACTOR PRESSURE VESSEL WATER LEVEL 2, HIGH | | DRYWELL PRESSURE, AND HIGH MAIN STEAM LINE RADIATION LEVEL. THERE WERE | | NO CHANGES IN THESE THREE PARAMETERS WHICH COULD LEAD TO AN AUTOMATIC | | PCIS GROUP 2 ISOLATION. LICENSEE IS REPAIRING THE FAILED FLOW INDICATOR. | | | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1301 ON 08/18/95 BY HOSKINS ENTERED BY HOO JOLLIFFE * * * | | | | LICENSEE DESIRED TO RETRACT THIS EVENT SINCE THE ESF FUNCTION OF THE ABOVE | | VALVES WAS NOT CHALLENGED BECAUSE THESE VALVES ARE CLOSED ONCE SAMPLING | | IS COMPLETE. ALSO, THE ISOLATION OF THE LEAKING FLOW INDICATOR WAS | | PERFORMED AS A PREPLANNED SEQUENCE AS PRESCRIBED BY NORMAL OPERATING | | PROCEDURES. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. HOO NOTIFIED R3DO WRIGHT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29212 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 08/18/95 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 10:01 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 08/18/95 | +------------------------------------------------+EVENT TIME: 09:30[EDT]| |NRC NOTIFIED BY: HALLONQUIST |LAST UPDATE DATE: 08/18/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - TECH SPEC REQUIRED SHUTDOWN CAUSED BY A SERVICE WATER LEAK - | | | | THE PLANT DISCOVERED A SMALL LEAK (30-40 DROPS PER MINUTE) IN THE "B" | | SERVICE WATER SUBSYSTEM. THE LEAK IS LOCATED IN THE EMERGENCY DIESEL | | SERVICE WATER SUPPLY HEADER. BOTH THE "B" SERVICE WATER SUBSYSTEM AND THE | | ALTERNATE COOLING SUBSYSTEM HAVE BEEN DECLARED INOPERABLE. | | | | TECH SPEC 3.5.D.4 REQUIRES AN ORDERLY SHUTDOWN BE INITIATED AND THE REACTOR | | PLACED IN THE COLD SHUTDOWN CONDITION WITHIN 24 HOURS. THE TECH SPEC | | ACTION STATEMENT WAS ENTERED AT 0930. THE LICENSEE'S EMERGENCY PLAN | | REQUIRES THEM TO DECLARE AN UNUSUAL EVENT WHEN THE SHUTDOWN COMMENCES, I.E. | | POWER IS REDUCED. APPROXIMATELY 10-12 HOURS ARE REQUIRED TO PLACE THE | | PLANT IN COLD SHUTDOWN FROM 100% POWER. | | | | THE PLANT IS REMOVING LAGGING FROM THE SERVICE WATER PIPING SO THAT AN | | ENGINEERING EVALUATION CAN BE MADE ON THE SYSTEM. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 2132 BY CHERYL WOOKEY ENTERED BY HOO JOLLIFFE * * * | | | | AT 2120, LICENSEE DECLARED THE 'B' SERVICE WATER SUBSYSTEM AND THE | | ALTERNATE COOLING SUBSYSTEM OPERABLE DUE TO LICENSEE ENGINEERING ASSESSMENT | | OF THE 0.75 GALLONS PER HOUR LEAK IN ACCORDANCE WITH THE REQUIREMENTS OF | | NRC GENERIC LETTER #90-05 AND EXITED TECH SPEC LCO A/S 3.5.D.4. | | | | THE LEAK CONDITION WAS REVIEWED BY THE LICENSEE PLANT OPERATIONS REVIEW | | COMMITTEE AND DISCUSSED WITH NRC REGION I AND NRR REPRESENTATIVES. | | | | LICENSEE IS CAPTURING THE LEAK AND WILL MONITOR THE LEAKAGE AND WILL | | INSTALL A TEMPORARY PIPE PATCH OVER THIS PIN HOLE LEAK WITHIN 7 DAYS. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | HOO NOTIFIED R1DO ROGGE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 29213 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SEYMOUR JOHNSON USAF BASE, NC |NOTIFICATION DATE: 08/18/95 | | CITY: REGION: 2 |NOTIFICATION TIME: 12:17 [ET]| | COUNTY: STATE: NC |EVENT DATE: 08/17/95 | |LICENSE#: 42-23539-01AF AGREEMENT: Y |EVENT TIME: 15:00[EDT]| | DOCKET: 03028641 |LAST UPDATE DATE: 08/18/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHRIS CHRISTENSEN RDO | | |FRED COMBS, NMSS EO | +------------------------------------------------+CHARLES CAIN R4DO | |NRC NOTIFIED BY: CAPT NOEL MONTGOMERY |DOUG COLLINS R2 | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |JAIM 40.60(a) REG LIMITS EXCEEDED | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - CONTAMINATED SCRAP METAL IN SCRAP METAL YARD IN DILLON, SC - | | | | DEFENSE REUTILIZATION MARKETING OFFICE, SEYMOUR JOHNSON USAF BASE, NC, SOLD | | A LOAD OF SCRAP METAL TO LOCKAMY'S SCRAP METAL COMPANY, 301 HIGHWAY SOUTH, | | DILLON, SC 29536. THE SCRAP METAL ORIGINATED AS TARGETS ON THE BOMBING | | RANGE THAT IS OPERATED BY SEYMOUR JOHNSON. THE SCRAP METAL POTENTIALLY | | INCLUDED PARTS OF AIRCRAFT AND GROUND-BASED MILITARY VEHICLES. | | | | LOCKAMY'S SHREDDED THE METAL AND LOADED IT ONTO TRUCKS BOUND FOR ANOTHER | | SCRAP DEALER IN ALABAMA. UPON ARRIVAL IN ALABAMA, THE MATERIAL WAS | | IDENTIFIED AS CONTAINING RADIOACTIVITY AND THE SHIPMENT WAS REFUSED AND | | RETURNED TO LOCKAMY'S SCRAP METAL YARD IN DILLON, SC, WHERE IT IS BEING | | HELD. THE MATERIAL POSSIBLY CONTAINS MAGNESIUM-THORIUM COMPONENTS OR | | RADIUM DIALS INCLUDING THORIUM-232 OR RADIUM-226 OF UNKNOWN ACTIVITIES. | | PERSONNEL AT LOCKAMY'S ARE IN POSSESSION OF SURVEY METERS AND HAVE SURVEYED | | THEMSELVES AND THEIR CLOTHING FOR CONTAMINATION AND HAVE FOUND NONE. | | | | LICENSEE HAS NOTIFIED STATE OF SOUTH CAROLINA AND R4DO CHUCK CAIN. | | | | * * UPDATE @ 2215 ON 08/18/95 BY BROWN, NC DRP ENTERED BY HOO JOLLIFFE * * | | DAYNE BROWN, NORTH CAROLINA DIVISION OF RADIATION PROTECTION, REPORTED | | THAT CONTAMINATED SHREADED SCRAP METAL FROM SEYMOUR JOHNSEN USAF BASE | | IS PRESENT IN THE J & R SALVAGE COMPANY SCRAP METAL YARD IN BROADWAY, NC. | | MR. BROWN PLANS TO VISIT THE BROADWAY YARD ON THE MORNING OF 08/19/95. | | SEE HOO LOG FOR MR. BROWN'S PHONE NUMBER. | | | | HOO NOTIFIED R2DO CHRISTENSEN, R4DO CAIN, AND R2 COLLINS. | | | | * * UPDATE @ 1436 ON 08/19/95 BY BROWN, NC DRP ENTERED BY HOO JOLLIFFE * * | | | | DAYNE BROWN, NORTH CAROLINA DIVISION OF RADIATION PROTECTION, REPORTED | | THAT J & R SALVAGE YARD IN BROADWAY, NC HAS APPROXIMATELY 18 CYLINDRICAL | | SECTIONS OF BOWMARC MISSILES FROM SEYMOUR JOHNSON USAF BASE. EACH PIECE | | IS APPROXIMATELY 3 FEET DIAMETER X 10 FEET LONG AND POSSIBLY MADE OF | | ALUMINUM OR ALUMINUM-THORIUM. MR. BROWN MEASURED 100uR/HR @ 2 METERS | | FROM THE PIECES. THE OWNER OF THE J & R YARD IS JOHN SHAW. SEE HOO LOG | | FOR MR. SHAW'S PHONE NUMBER. | | | | HOO NOTIFIED R2DO CHRISTENSEN. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29214 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HARRIS REGION: 2 |NOTIFICATION DATE: 08/18/95 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 16:11 [ET]| |RX TYPE: [1] W-3-LP |EVENT DATE: 08/18/95 | +------------------------------------------------+EVENT TIME: 08:00[EDT]| |NRC NOTIFIED BY: JOE DAVIS |LAST UPDATE DATE: 08/18/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN 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 84 POWER OPERATION | 84 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - CONTRACTOR SUPERVISOR TERMINATED AFTER FAILING ALCOHOL TEST - | | | | THE ODOR OF ALCOHOL ON THE BREATH OF A CONTRACTOR SUPERVISOR WAS | | DETECTED BY A SECURITY GUARD WHEN THE CONTRACTOR REPORTED FOR WORK AT | | 0800 ON 08/18/95. | | | | THE CONTRACTOR TESTED POSITIVE FOR THE PRESENCE OF ALCOHOL (0.057 AND | | 0.060 BAC; FITNESS-FOR-DUTY BLOOD ALCOHOL CONTENT LIMIT IS 0.04 BAC). | | | | LICENSEE TERMINATED THE CONTRACTOR'S ACCESS AUTHORIZATION TO THE HARRIS | | PLANT AND THE CONTRACTOR COMPANY TERMINATED THE INDIVIDUAL'S EMPLOYMENT. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | SEE HOO LOG FOR ADDITIONAL DETAILS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29215 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 08/18/95 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 16:42 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 08/18/95 | +------------------------------------------------+EVENT TIME: 03:45[CDT]| |NRC NOTIFIED BY: TOM HOUZENGA |LAST UPDATE DATE: 08/18/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT 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 +------------------------------------------------------------------------------+ | - LICENSED STEADY STATE FULL POWER EXCEEDED FOR LESS THAN 1 MINUTE - | | | | AT 0345 (CDT), THE #1A RECIRC PUMP EXPERIENCED AN UNCONTROLLED SPEED | | INCREASE OF APPROXIMATELY 4% WHICH RESULTED IN A POSITIVE REACTIVITY | | INSERTION WHICH CAUSED THE NEUTRON INSTRUMENTATION TO INDICATE AN AVERAGE | | POWER OF 102.18% POWER. LICENSEE IS DETERMINING WHAT THE ACTUAL THERMAL | | POWER WAS FOR THIS SHORT DURATION POWER SPIKE OF LESS THAN 1 MINUTE. | | LICENSEE LOCKED UP THE SCOOP TUBE ON THE RECIRC PUMP SPEED CONTROLLER. | | | | MAXIMUM LICENSED STEADY STATE FULL POWER IS 2511 MEGAWATTS THERMAL. | | | | LICENSEE IS INVESTIGATING THE CAUSE AND DETERMINING CORRECTING ACTIONS | | TO PRECLUDE RECURRENCE OF THIS TYPE OF EVENT. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29216 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 08/18/95 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 19:29 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 08/18/95 | +------------------------------------------------+EVENT TIME: 19:00[EDT]| |NRC NOTIFIED BY: DENNIS LATZ |LAST UPDATE DATE: 08/18/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 80 POWER OPERATION | 80 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AT 1900, LICENSEE NOTIFIED CONNECTICUT STATE OFFICIALS THAT MILLSTONE 1 | | COMMENCED A PLANNED PLANT SHUTDOWN FOR A MAINTENANCE OUTAGE PLANNED | | TO LAST LONGER THAN 72 HOURS. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29217 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 08/18/95 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 21:16 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 08/18/95 | +------------------------------------------------+EVENT TIME: 20:35[EDT]| |NRC NOTIFIED BY: AL HARTNER |LAST UPDATE DATE: 08/18/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - SHUTTING DOWN DUE TO 0.12 GPM Rx COOLANT SYSTEM PRESSURE BOUNDARY LEAK - | | | | AT 2035, LICENSEE IDENTIFIED A NON-ISOLABLE 0.12 GPM REACTOR COOLANT | | SYSTEM PRESSURE BOUNDARY LEAK LOCATED AT THE ROOT SOCKET WELD OF THE | | #1A REACTOR COOLANT PUMP SEAL LEAKOFF BYPASS VENT VALVE #1CH-340. | | | | TECH SPEC LCO A/S 3.4.6.2 REQUIRES LICENSEE TO PLACE UNIT 1 IN HOT STANDBY | | MODE WITHIN 6 HOURS AND COLD SHUTDOWN MODE WITHIN THE FOLLOWING 30 HOURS | | WITH ANY REACTOR COOLANT SYSTEM PRESSURE BOUNDARY LEAKAGE. | | | | LICENSEE PLANS TO SHUT UNIT 1 DOWN AT 20% PER HOUR TO REPAIR THE LEAK. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29218 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 08/19/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 00:04 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 08/18/95 | +------------------------------------------------+EVENT TIME: 23:40[EDT]| |NRC NOTIFIED BY: STEPHENSON |LAST UPDATE DATE: 08/19/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN 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 Y 95 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH FLOW RATE FOR THE TSC VENTILATION SYSTEM IN THE RECIRCULATION MODE | | MAY HAVE LED TO THE DEGRADATION OF THE CHARCOAL ADSORBERS. | | | | ROUTINE TESTING OF THE TECHNICAL SUPPORT CENTER (TSC) VENTILATION | | SYSTEM FOUND THE FLOW RATE IN THE RECIRCULATION MODE WAS EXCESSIVE. | | THE FLOW RATE WAS MEASURED TO BE 4600 cfm INSTEAD OF THE REQUIRED 3000 cfm. | | THIS HIGH FLOW RATE MAY DEGRADE THE EFFICIENCY OF THE CHARCOAL ADSORBERS. | | DEGRADED ADSORBER EFFICIENCY COULD RESULT IN LOSS OF HABITABILITY OF THE | | TSC. | | | | THE LICENSEE HAS CORRECTED THE HIGH FLOW RATE CONDITION BY REPOSITIONING | | SOME DAMPERS. THE LICENSEE WILL BE FURTHER INVESTIGATING TO DETERMINE | | THE CAUSE AND HOW LONG THE TSC VENTILATION SYSTEM WAS IN THIS CONDITION. | | THE TSC VENTILATION SYSTEM IS CURRENTLY OPERABLE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29219 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 08/19/95 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 04:45 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 08/19/95 | +------------------------------------------------+EVENT TIME: 02:00[CDT]| |NRC NOTIFIED BY: BOOHER |LAST UPDATE DATE: 08/19/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AENS 50.72(b)(1)(v) ENS INOPERABLE | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TURBINE TRIP AND REACTOR SCRAM ON LOW CONDENSER VACUUM. | | | | AT 0200 CDT ON 8/19/95, UNIT 2 RECEIVED AN AUTOMATIC MAIN TURBINE TRIP | | DUE TO LOW CONDENSER VACUUM. THE REACTOR SCRAMMED ON THE TURBINE TRIP, | | AND BOTH RECIRCULATION PUMPS TRIPPED DUE TO THE RECIRCULATION PUMP TRIP | | BREAKER TRIP. | | | | THE CAUSE OF THE LOW CONDENSER VACUUM WAS THE LOSS OF THE OFF-GAS CHILLER. | | THIS CAUSED THE OFF-GAS HOLDUP VOLUME TEMPERATURE TO INCREASE AND THE | | ISOLATION OF THE STEAM JET AIR EJECTORS, WITH THE SUBSEQUENT LOSS OF | | CONDENSER VACUUM. AFTER THE UNIT SCRAMMED, REACTOR WATER LEVEL LOWERED TO | | THE LOW LEVEL PCIS ISOLATION SETPOINT DUE TO VOID COLLAPSE. AT THIS TIME, | | REACTOR WATER CLEANUP (RWCU) ISOLATED AND REACTOR/REFUEL ZONE VENTILATION | | ISOLATIONS OCCURRED. | | | | IN ADDITION, ALL PCIS GROUP 2, 3, 6 & 8 COMPONENTS ISOLATED, AS EXPECTED. | | REACTOR LEVEL WAS IMMEDIATELY RECOVERED TO NORMAL LEVELS USING THE REACTOR | | FEEDWATER SYSTEM. THE PCIS ISOLATIONS WERE THEN RESET. THE RWCU SYSTEM | | WAS RESTORED TO SERVICE AND SUBSEQUENTLY RE-ISOLATED DUE TO ELEVATED | | TEMPERATURE DOWNSTREAM OF THE NONREGENERATIVE HEAT EXCHANGER. AFTER A | | SMALL COOLING PERIOD, THE RWCU SYSTEM WAS AGAIN RESTORED TO SERVICE. | | AFTER VERIFYING ACCEPTABLE RESTART TEMPERATURE CONDITIONS, THE | | RECIRCULATION SYSTEM WAS RETURNED TO SERVICE. | | | | THE PLANT IS STABLE IN HOT SHUTDOWN CONDITION. ALL RODS FULLY INSERTED ON | | THE SCRAM. THERE WERE NO DIFFICULTIES WITH ANY BUS TRANSFERS. ALL EDGs | | AND ECCSs ARE OPERABLE. THE LICENSEE IS INVESTIGATING THE PROBLEM WITH | | THE OFF-GAS CHILLER. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29220 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: TURKEY POINT REGION: 2 |NOTIFICATION DATE: 08/19/95 | |UNIT: [3] [4] [ ] STATE: FL |NOTIFICATION TIME: 11:23 [ET]| |RX TYPE: [3] W-3-LP,[4] W-3-LP |EVENT DATE: 08/19/95 | +------------------------------------------------+EVENT TIME: 10:33[EDT]| |NRC NOTIFIED BY: MIKE MATUSZEWSI |LAST UPDATE DATE: 08/19/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 4 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NON-CREDIBLE BOMB THREAT IN THE VICINITY OF THE TURKEY POINT PLANT. | | | | LICENSEE HAS COMPLETED COMPENSATORY MEASURES. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | SEE HOO LOG FOR DETAILS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29221 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 08/20/95 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 01:22 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/20/95 | +------------------------------------------------+EVENT TIME: 00:49[EDT]| |NRC NOTIFIED BY: RONALD PETRO |LAST UPDATE DATE: 08/20/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |MARTIN VIRGILIO EO | | |CALDWELL FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED BY THE LICENSEE AT 0100 DUE TO AN EXPLOSION ON SITE. | | | | THE MAIN TRANSFORMER HAD BEEN REPLACED AND INITIAL TESTING WAS UNDER WAY | | WHEN THE OUTPUT BUSHING FOR PHASE 2 FAILED. IT EXPLODED AND SOME OF THE | | TRANSFORMER'S FILL OIL LEAKED OUT. PROTECTIVE RELAYING ISOLATED THE THE | | TRANSFORMER AND THERE WAS NO LOSS OF POWER TO ANY SITE LOADS. THERE WAS | | NO FIRE OR DAMAGE ON SITE OTHER THAN TO THE TRANSFORMER. THE OIL SPILL | | WAS CONTAINED BY THE RETENTION DIKE SURROUNDING THE TRANSFORMER. STATE | | AND COUNTY AGENCIES HAVE BEEN NOTIFIED. THE LICENSEE WILL INFORM THE | | NRC RESIDENT INSPECTOR. | | | | * * * UPDATE FROM PETRO AT 0235 EDT TAKEN BY KARSCH * * * | | | | AT 0150, LICENSEE TERMINATED THE UNUSUAL EVENT AFTER DETERMINING THAT | | NO ENVIRONMENTAL HAZARD TO THE SITE EXISTS. THE LICENSEE INFORMED THE | | NRC RESIDENT INSPECTOR. HOO NOTIFIED R3DO WRIGHT, NRR EO VIRGILIO AND | | FEMA CALDWELL. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29222 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 08/20/95 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 17:26 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 08/20/95 | +------------------------------------------------+EVENT TIME: 16:02[EDT]| |NRC NOTIFIED BY: ED EVANS |LAST UPDATE DATE: 08/20/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON 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 50 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - AUTO SCRAM FROM 50% POWER DUE TO MAIN TURBINE CONTROL LOGIC MALFUNCTION - | | | | UNIT 2 AUTO SCRAMMED FROM 50% POWER DUE TO A MAIN TURBINE TRIP DUE TO A | | MAIN TURBINE CONTROL LOGIC MALFUNCTION FOR UNKNOWN REASONS. LICENSEE IS | | INVESTIGATING THE CAUSE. | | | | ALL CONTROL RODS INSERTED COMPLETELY. STEAM IS BEING DUMPED TO THE MAIN | | CONDENSER. | | | | DURING THE EVENT, A FALSE LOCA SIGNAL CAUSED PCIS DIVISIONS 1 & 3 TO | | ACTUATE: #2A & #2C CORE SPRAY PUMPS, #2A & #2C RHR PUMPS, AND RCIC PUMPS | | STARTED BUT DID NOT INJECT WATER INTO THE REACTOR VESSEL; 2 OF 4 EDGs | | (#D21 AND #D23) STARTED BUT DID NOT LOAD; AND NUMEROUS SYSTEMS ISOLATED AS | | A RESULT OF APPARENT REFERENCE LEG RINGING DUE TO THE MAIN TURBINE TRIP. | | | | UNIT 2 IS STABLE IN CONDITION 3 (HOT SHUTDOWN). | | | | THIS EVENT HAD NO EFFECT ON UNIT 1 WHICH IS AT 100% POWER. | | | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+