U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/09/98 - 02/10/98 ** EVENT NUMBERS ** 33678 33679 33680 33681 33682 33683 33684 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33678 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 02/09/98 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 01:32 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 02/09/98 | +------------------------------------------------+EVENT TIME: 01:15[EST]| |NRC NOTIFIED BY: BRIAN BEAUMONT |LAST UPDATE DATE: 02/09/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |BRENT CLAYTON RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |BOB CAPRA, NRR EO | | |CHUCK DePUY FEMA | | |FRANK CONGEL IRD | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED AND TERMINATED DUE TO A LOSS OF ALL OFFSITE | | COMMUNICATIONS FOR GREATER THAN 15 MINUTES. | | | | THE LICENSEE WAS NOTIFIED BY THEIR LOCAL TELEPHONE COMPANY, ALLTEL, THAT | | ALL COMMERCIAL COMMUNICATIONS TO THE PLANT WAS LOST FROM 0022 EST UNTIL | | 0047 EST (25 MINUTES). A FIBER CUT WAS IN PROGRESS IN AUSTINBURG, AND THE | | TELEPHONE COMPANY CIRCUITS FAILED TO AUTOMATICALLY TRANSFER TO THE BACKUP | | CIRCUITS. ALLTEL NOTIFIED THE LICENSEE THAT ALL OFFSITE COMMUNICATIONS TO | | THE PLANT HAD BEEN LOST FOR 25 MINUTES. THE LICENSEE WAS UNAWARE OF THE | | LOSS OF ALL OFFSITE COMMUNICATIONS UNTIL ALLTEL INFORMED THEM. THE | | LICENSEE ENTERED AND EXITED EAL KU2 (SIGNIFICANT DEGRADATION OF OFFSITE | | COMMUNICATIONS CAPABILITY) AND DECLARED/TERMINATED AN UNUSUAL EVENT AT | | 0115 EST. THE LICENSEE SAID THAT DURING THE TIME PERIOD THE PHONE LINES | | WERE DOWN THEY COULD NOT HAVE CALLED THE NRC OPERATION CENTER. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33679 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 02/09/98 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 11:33 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 02/09/98 | +------------------------------------------------+EVENT TIME: 11:11[EST]| |NRC NOTIFIED BY: R. RAWLS |LAST UPDATE DATE: 02/09/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |BOB DENNIG, NRR EO | | |AUSTIN FEMA | | |RICH BARRETT IRD | | |BLANCHARD NRC | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 88 POWER OPERATION | 88 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED AND TERMINATED DUE TO CHLORINE GAS RELEASE IN THE | | VICINITY OF SITE. | | | | THE LICENSEE WAS NOTIFIED BY CRYSTAL RIVER UNIT 5 (THE NORTH COAL PLANT) | | THAT A 150 POUND CHLORINE CYLINDER BEGAN LEAKING AND WAS BLOWN DOWN. | | THIS EVENT OCCURRED WITHIN THE 0.83 MILE SITE BOUNDARY, BUT DID NOT AFFECT | | CR-3 OPERATIONS. THE INCIDENT WAS HANDLED BY THE SITE EMERGENCY RESPONSE | | ORGANIZATION. NO CHLORINE WAS DETECTED WITHIN THE CR-3 PROTECTED AREA. ALL | | CHLORINE GAS HAS DISSIPATED. | | | | THE LICENSEE DECLARED AND TERMINATED THE UNUSUAL EVENT DUE TO A MAN MADE | | PHENOMENON NEAR OR WITHIN THE SITE BOUNDARY THAT DID NOT AFFECT CR-3 | | OPERATIONS. THE LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR AND PLANS | | TO MAKE A PRESS RELEASE. THE OPERATIONS OFFICER NOTIFIED OTHER FEDERAL | | AGENCIES VIA FACSIMILE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33680 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 02/09/98 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 12:07 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/09/98 | +------------------------------------------------+EVENT TIME: 10:25[EST]| |NRC NOTIFIED BY: HOWARD |LAST UPDATE DATE: 02/09/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | |AUNA 50.72(b)(1)(ii)(A) UNANALYZED COND OP | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | M/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE REACTOR WAS MANUALLY TRIPPED FROM 100% POWER AFTER SEVERAL CONTROL RODS | | DROPPED INTO THE CORE. | | | | DURING TROUBLESHOOTING A ROD CONTROL URGENT FAILURE ALARM, SEVERAL CONTROL | | RODS DROPPED INTO THE REACTOR CORE. THE REACTOR WAS MANUALLY TRIPPED AND | | EMERGENCY PROCEDURE #E-0 WAS IMPLEMENTED. DURING THIS EVENT, THE TURBINE | | AUTOMATICALLY TRIPPED AS REQUIRED, ALL CONTROL RODS FULLY INSERTED, NO ECCS | | INITIATED AND NO SAFETY VALVES LIFTED. A MAIN FEEDWATER ISOLATION OCCURRED | | DURING THIS EVENT ON LOW Tave AND REACTOR TRIP. AUXILIARY FEEDWATER AUTO | | STARTED ON STEAM GENERATORS LO-LO LEVEL. UNIT ONE IS STABLE AT FULL | | TEMPERATURE AND PRESSURE (557øF AND 2235 PSIG). AT THIS TIME, MAIN | | FEEDWATER IS BEING ESTABLISHED AND THEN AUXILIARY FEEDWATER WILL BE SECURED | | AND REALIGNED TO STANDBY READINESS. MCGUIRE DOES NOT HAVE A NEGATIVE FLUX | | RATE TRIP SIGNAL. THE LICENSEE IS INVESTIGATING THE CAUSE. | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 2106 ON 2/9/98 BY MASON TO GOULD * * * | | | | THE LICENSEE IS EVALUATING THE POTENTIAL THAT THE DROPPED CONTROL RODS | | CONSTITUTED AN UNANALYZED CONDITION EVENT THAT SIGNIFICANTLY COMPROMISED | | PLANT SAFETY. THE LICENSEE DOES NOT HAVE AN ANALYSIS THAT BOUNDS THE | | COMBINATION OF CONTROL RODS THAT DROPPED INTO THE CORE AT THE START OF | | THE EVENT. THE EVENT CONSISTED OF MULTIPLE FAILURES THAT ARE BEYOND THE | | ASSUMPTIONS OF CHAPTER 15 OF THE UFSAR. FURTHER INFORMATION WILL BE | | PROVIDED AS IT BECOMES AVAILABLE. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. THE OPERATIONS OFFICER | | NOTIFIED THE R2DO (TOM DECKER). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33681 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GINNA REGION: 1 |NOTIFICATION DATE: 02/09/98 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 15:28 [ET]| |RX TYPE: [1] W-2-LP |EVENT DATE: 02/09/98 | +------------------------------------------------+EVENT TIME: 14:45[EST]| |NRC NOTIFIED BY: LINGL |LAST UPDATE DATE: 02/09/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD BARKLEY 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT NOTED DEGRADATION BEYOND THE 4 INCH GAP ASSUMPTION OF THE | | CRITICALITY ANALYSIS ON SELECTED BOROFLEX PANELS. | | | | DURING THE SPENT FUEL POOL BORON AERIAL DENSITY GAUGE FOR EVALUATING RACKS | | (BADGER) TESTING, DEGRADATION BEYOND THE 4 INCH GAP ASSUMPTION OF THE | | CRITICALITY ANALYSIS WAS NOTED ON SELECTED BOROFLEX PANELS. THIS DATA IS | | PRELIMINARY AT THIS TIME, BUT INDICATES THAT SOME PANELS HAVE UNDERGONE | | DISSOLUTION BEYOND EXPECTED LEVELS. THE PANELS HAVE EXPERIENCED UP TO | | 100 INCHES OF DISSOLUTION. CURRENTLY, THE SPENT FUEL POOL HAS A BORON | | CONCENTRATION OF 2566 PPM WHICH IS NOT CREDITED IN THE CRITICALITY ANALYSIS | | OF THE RACKS. THE LICENSEE IS CONTINUING THEIR INVESTIGATION. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33682 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 02/09/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 20:28 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/09/98 | +------------------------------------------------+EVENT TIME: 17:20[EST]| |NRC NOTIFIED BY: BRUCK |LAST UPDATE DATE: 02/09/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS KOZAK 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 | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE MICHIGAN DEPARTMENT OF NATURAL RESOURCES | | POLLUTION EMERGENCY ALERT SYSTEM OF A 5 GALLON SPILL THAT MAY REACH | | MICHIGAN SURFACE OR GROUND WATERS. | | | | APPROXIMATELY 5 GALLONS OF HEATING BOILER WATER CONTAINING 5 TO 70 PPB | | HYDRAZINE AND LESS THAN 1 PPM ETHANOL AMINE (ETA) WAS SPILLED ON PLANT | | GROUNDS AND ENTERED THE YARD DRAINAGE SYSTEM. THIS SPILL OCCURRED WHEN THE | | DRUM LEVEL SIGHT GLASS ON THE ALTERNATE PLANT HEATING BOILER FAILED. THE | | HYDRAZINE LIMITS DID NOT EXCEED THE LICENSEE'S NPDES LIMITS OF ONE POUND. | | THE RELEASE LIMITS FOR ETA ARE NOT ESTABLISHED BECAUSE IT IS NOT LISTED AS | | A HAZARDOUS SUBSTANCE. THIS SPILL WAS REPORTED BECAUSE HYDRAZINE IS ON THE | | MICHIGAN CRITICAL MATERIALS REGISTER, REQUIRING A REPORT EVEN IF RELEASE | | LIMITS ARE NOT EXCEEDED. THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED OTHER FEDERAL AGENCIES VIA FAX. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33683 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 02/10/98 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 02:41 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/09/98 | +------------------------------------------------+EVENT TIME: 23:24[CST]| |NRC NOTIFIED BY: DOUG BOWMAN |LAST UPDATE DATE: 02/10/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM KOZAK 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | WHILE RETURNING THE MAIN TURBINE TO SERVICE, ITS INTERCEPT AND REHEAT STOP | | VALVES UNEXPECTEDLY CLOSED. | | | | UNIT 1 WAS IN MODE 5 (COLD SHUTDOWN) WITH THE REACTOR TRIP BREAKERS OPEN | | AND ALL CONTROL RODS INSERTED. THE MAIN TURBINE WAS LATCHED WITH THE | | INTERCEPT AND REHEAT STOP VALVES OPEN AND THE THROTTLE VALVES AND GOVERNOR | | VALVES ISOLATED. A RETURN TO SERVICE WAS PROCESSED ON THE TURBINE TRIP | | CIRCUIT BREAKERS, WHICH WHEN ENABLED, ALLOWED THE TURBINE TO TRIP DUE TO | | THE REACTOR TRIP BREAKERS BEING IN THE OPEN POSITION. THE INTERCEPT AND | | REHEAT STOP VALVES CLOSED WHEN THE TURBINE TRIP WAS RECEIVED. THERE WAS NO | | AFFECT ON THE PLANT FROM THE TURBINE TRIP. HUMAN ERROR WAS THE CAUSE OF | | THIS EVENT. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33684 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 02/10/98 | |UNIT: [1] [2] [ ] STATE: WI |NOTIFICATION TIME: 03:01 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 02/10/98 | +------------------------------------------------+EVENT TIME: 01:10[CST]| |NRC NOTIFIED BY: R PARLATO |LAST UPDATE DATE: 02/10/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM KOZAK 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 77 POWER OPERATION | 77 POWER OPERATION | | 2 | N Y 91 POWER OPERATION | 91 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EMERGENCY DIESEL GENERATOR GO1 FOUND NOT TO HAVE SPRING LOADED FUEL | | INJECTORS LINKAGE. | | | | AT 0110 CST ON 02/10/98 DURING MAINTENANCE OVERHAUL OF EMERGENCY DIESEL | | GENERATOR GO1, THE FUEL INJECTOR LINKAGE WAS FOUND TO BE SOLID RATHER THAN | | SPRING LOADED AS STATED IN THE ENGINE MANUAL. EMERGENCY DIESEL GENERATORS | | GO2, GO3, AND GO4 ARE FULLY OPERABLE IF NEEDED AND ARE NOT AFFECTED. | | GO2 CAN SUPPLY ELECTRICAL POWER TO BOTH UNITS 1 AND 2 "A" TRAIN SAFETY | | BUSES AT THE SAME TIME. BY HAVING THE FUEL INJECTORS SPRING LOADED, THE | | FAILURE OF ONE INJECTOR DOES NOT DISABLE THE OTHER INJECTORS. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+