U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/24/96 - 06/25/96 ** EVENT NUMBERS ** 30668 30669 30670 30671 30672 30673 30674 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30668 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 06/24/96 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 00:27 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/23/96 | +------------------------------------------------+EVENT TIME: 22:30[CDT]| |NRC NOTIFIED BY: PETER KNARR |LAST UPDATE DATE: 06/24/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SEVERE THUNDER STORMS DISABLED SURVEILLANCE EQUIPMENT. COMPENSATORY ACTIONS | | WERE NOT POSSIBLE FOR TWENTY MINUTES DUE TO HAZARDOUS LIGHTNING. THUS A | | CRITERION FOR COMPENSATORY MEASURES WAS NOT MET. THE LICENSEE WILL INFORM | | THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30669 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 06/24/96 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 05:34 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 06/24/96 | +------------------------------------------------+EVENT TIME: 00:55[EDT]| |NRC NOTIFIED BY: PHIL SANTINI |LAST UPDATE DATE: 06/24/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LICENSEE 24-HOUR REPORT IN ACCORDANCE WITH INDIAN POINT 2 TECH SPEC | | 3.13.A.3. FIRE PROTECTION. | | | | THE LICENSEE'S TECH SPECS REQUIRE REPORTING PIPING INOPERABILITY TO REGION | | 1 FOR ANY REASON OTHER THAN THOSE EXCEPTIONS GRANTED BY TECH SPEC SECTION | | 3.13.A.2. THE LICENSEE'S PROCEDURES REQUIRE A REPORT TO THE NRC OPERATIONS | | CENTER. A SECTION OF FIRE PROTECTION PIPING WAS TAGGED OUT FOR PLANT | | MAINTENANCE. COMPENSATORY MEASURES WERE TO RUN ADDITIONAL HOSES AND | | FITTINGS TO THE AFFECTED AREAS. THE LICENSEE WILL INFORM THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 30670 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: MISS. DIV OF RADIOLOGICAL HEALTH |NOTIFICATION DATE: 06/24/96 | | CITY: PRENTISS REGION: 2 |NOTIFICATION TIME: 11:29 [ET]| | COUNTY: STATE: MS |EVENT DATE: 06/24/96 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 00:30[CDT]| | DOCKET: |LAST UPDATE DATE: 06/25/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BRUCE MALLETT, RGN2 RDO | | |JOHN HICKEY EO | +------------------------------------------------+ | |NRC NOTIFIED BY: BOB GOFF |STU RUBIN AEOD | |HQ OPS OFFICER: RUDY KARSCH |LINDA HOWELL, RGN4 RDO | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SOURCE CONTAINING 50 mCi OF Cs137 FELL OUT OF A TRUCK ALONG THE ROAD | | BETWEEN PRENTISS, MS AND BOSSIER CITY , LA. THE SOURCE IS CONTAINED IN A | | HALLIBURTON MODEL 55SD DENSOMETER. THE MISSISSIPPI DIVISION OF | | RADIOLOGICAL HEALTH WILL ISSUE A PRESS RELEASE CONCERNING THE LOST SOURCE. | | | | * * * UPDATE BY GOFF * * * | | LOST SOURCE FOUND IN LOUISIANA. R2DO (HOSEY) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30671 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 06/24/96 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 14:00 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 06/24/96 | +------------------------------------------------+EVENT TIME: 08:38[EDT]| |NRC NOTIFIED BY: SHERYL WOOKEY |LAST UPDATE DATE: 06/24/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION - SPILL OF SODIUM HYPOCHLORITE | | | | THE LICENSEE NOTIFIED THE US COAST GUARD, THE VERMONT STATE HAZMAT TEAM AND | | THE NEW HAMPSHIRE EMERGENCY MANAGEMENT AGENCY OF A SPILL INVOLVING SODIUM | | HYPOCHLORITE. APPROXIMATELY 400 TO 500 GALLONS OF THE MATERIAL ENTERED THE | | CIRCULATING WATER SYSTEM AND MIXED WITH RIVER WATER BEFORE THE CIRCULATING | | SYSTEM COULD BE PLACED INTO THE CLOSED CYCLE MODE. | | | | THE PLANT CONTINUES TO OPERATE IN THIS MODE WITH NO IMPACT ON CONDENSER | | VACUUM. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30672 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 06/24/96 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 23:31 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 06/24/96 | +------------------------------------------------+EVENT TIME: 09:27[CDT]| |NRC NOTIFIED BY: WASHKO |LAST UPDATE DATE: 06/24/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RONALD GARDNER RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | 24 HOUR REPORT - BOTH DIESEL FIRE PUMPS DECLARED INOPERABLE | | | | "AT 0927 ON 6/24/96, BOTH DIESEL FIRE PUMPS WERE DECLARED INOPERABLE DUE TO | | CONCERNS ON COOLING SYSTEM FOULING. IT IS BELIEVED THAT A RESIN TYPE | | MATERIAL USED FOR SEALING CRACKS IN CONCRETE FLOORING IN THE LAKE SCREEN | | HOUSE MADE ITS WAY INTO THE SERVICE WATER SYSTEM CAUSING FOULING AND A HIGH | | DIFFERENTIAL PRESSURE CONDITION FOR ONLINE SERVICE WATER STRAINERS. ONE | | DIESEL FIRE PUMP WHICH WAS UNDERGOING SURVEILLANCE TESTING AT THE TIME | | EXPERIENCED A HIGH COOLING TEMPERATURE PROBLEM AND WAS MANUALLY SHUTDOWN. | | THE OTHER DIESEL FIRE PUMP WAS DECLARED INOPERABLE AS A PRECAUTIONARY | | MEASURE BASED ON POSSIBLE BACKFLOW INTO ITS HEAT EXCHANGER. BOTH REACTOR | | PLANTS WERE REDUCED IN POWER TO APPROXIMATELY 850 MWe WHILE OPERATORS | | PURSUED BACKWASHING SERVICE WATER STRAINERS. AT ABOUT 1140, SERVICE WATER | | STRAINERS HAD BEEN SUCCESSFULLY BACKWASHED AND THE SERVICE WATER SYSTEM | | PRESSURE RESTORED TO NORMAL. THE UNITS HAVE BEEN RETURNED TO FULL POWER. A | | ROOT CAUSE INVESTIGATION OF THE SERVICE WATER FOULING IS IN PROGRESS. | | TROUBLESHOOTING AND REPAIRS TO THE DIESEL FIRE PUMP WHICH EXPERIENCED | | OVERHEATING ARE IN PROGRESS. SURVEILLANCE TESTING OF SAFETY RELATED | | SERVICE WATER SYSTEMS IS IN PROGRESS TO ENSURE NO DEGRADATION HAS OCCURRED. | | THIS NOTIFICATION IS BEING MADE TO FULFILL THE REQUIREMENTS OF TS 3.7.5.1 | | ACTION b.2.a) AND b.2.b)." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30673 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 06/25/96 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 00:12 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 06/24/96 | +------------------------------------------------+EVENT TIME: 20:03[PDT]| |NRC NOTIFIED BY: JOHN SIMS |LAST UPDATE DATE: 06/25/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LINDA HOWELL RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | M/R Y 30 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR SCRAM IN ANTICIPATION OF A LOW REACTOR WATER LEVEL SCRAM. | | | | THE REACTOR OPERATORS HAD RECENTLY SHIFTED FROM MANUAL FEEDWATER LEVEL | | CONTROL TO AUTOMATIC THREE ELEMENT CONTROL. THE NEWLY INSTALLED DIGITAL | | FEEDWATER SYSTEM WAS UNDERGOING TESTING WHEN A REDUCTION IN WATER LEVEL | | OCCURRED. A SHIFT BACK TO MANUAL CONTROL WAS UNSUCCESSFUL IN RECOVERING | | LEVEL. THE REACTOR WAS MANUALLY SCRAMMED IN ANTICIPATION OF REACHING THE | | AUTOMATIC LOW LEVEL SCRAM SET POINT. ALL CONTROL RODS INSERTED FULLY INTO | | THE REACTOR CORE FOLLOWING THE SCRAM. THE LICENSEE IS INVESTIGATING THE | | CAUSE OF THE LEVEL EXCURSION, AND HAS INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30674 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 06/25/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 06:09 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/25/96 | +------------------------------------------------+EVENT TIME: 03:20[CDT]| |NRC NOTIFIED BY: PETER KNARR |LAST UPDATE DATE: 06/25/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RONALD GARDNER 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 | M/R N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR TRIP IN RESPONSE TO AN URGENT FAILURE ALARM FROM THE ROD | | CONTROL SYSTEM. | | | | THE LICENSEE WAS IN THE PROCESS OF TESTING THEIR DIGITAL ROD POSITION | | INDICATION SYSTEM FOR CONTROL BANK "C". BANK "C" WAS WITHDRAWN WITH DEMAND | | AT 142 STEPS, WHEN THE POSITION INDICATION FOR ROD "F6" BEGAN ALTERNATING | | BETWEEN 138 AND 150 STEPS. THE DECISION WAS MADE TO INSERT BANK "C". WHEN | | BANK POSITION REACHED 48 STEPS URGENT FAILURE ALARMS WERE RECEIVED FROM THE | | ROD CONTROL SYSTEM, AND THE ROD BOTTOM LIGHT FOR ROD "F6" FLASHED. THE | | LICENSEE DETERMINED THAT THE +/- 24 STEP CRITERION FOR ROD POSITION | | ACCURACY WAS NOT MET AND MANUALLY TRIPPED THE REACTOR. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+