U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/26/96 - 02/27/96 ** EVENT NUMBERS ** 29920 30027 30028 30029 30030 30031 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29920 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 01/31/96 | |UNIT: [ ] [2] [ ] STATE: TX |NOTIFICATION TIME: 21:58 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/31/96 | +------------------------------------------------+EVENT TIME: 21:25[CST]| |NRC NOTIFIED BY: JOHN MILLIFF |LAST UPDATE DATE: 02/26/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |NLTR LICENSEE 24 HR REPORT | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE FOLLOWING LICENSEE 24-HOUR REPORT WAS RECEIVED: | | "AT 0100 CST ON 1/31/96, IT WAS DISCOVERED THAT THE LOGGING REQUIREMENTS | | FOR INDICATED AXIAL FLUX DIFFERENCE (AFD), AS REQUIRED BY TECHNICAL | | SPECIFICATION SURVEILLANCE REQUIREMENT 4.2.1.1.b, WERE NOT MET FROM 0726 | | CST ON 1/30/96, TO 2115 CST ON 1/30/96. THIS IS A VIOLATION OF OPERATING | | LICENSE NPF-80 SECTION 2.G. TECHNICAL SPECIFICATION REQUIREMENT 4.2.1.1.b, | | REQUIRES THE INDICATED AFD BE LOGGED EVERY HOUR FOR THE FIRST 24 HOURS THE | | AFD MONITOR IS INOPERABLE. THE AFD MONITOR BECAME INOPERABLE AT 0426 CST | | ON 1/30/96, AND THE CONTROL ROOM STAFF COMMENCED HOURLY LOGGING OF | | INDICATED AFD. AT 2115 CST ON 1/30/96, A REACTOR OPERATOR IDENTIFIED THAT | | THE MONITOR TARGET VALUES HAD BEEN SET TO A PREVIOUS VALUE AND NOT THE | | CURRENT VALUE. THE TARGET VALUES WERE CORRECTED TO THE CURRENT VALUES. | | A REVIEW OF AXIAL FLUX DELTA FLUX AND OTHER DATA VALIDATED THAT THE AFD DID | | NOT EXCEED THE LIMITS SPECIFIED IN TECHNICAL SPECIFICATION 3.2.1." | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE @ 1536 ON 02/26/95 BY JAIRO PINZON TAKEN BY HOO JOLLIFFE * * * | | | | THE LICENSEE DESIRES TO RETRACT THIS EVENT. THE LICENSEE, IN CONSULTATION | | WITH NSSS WESTINGHOUSE (WESTINGHOUSE LETTER #ST-UB-HL-1541, DATED | | 02/09/96), CONCLUDED THAT THE LICENSEE CALCULATIONAL ANALYSIS CONFIRMED THE | | CYCLE 5 SPECIFIC TECHNICAL SPECIFICATION COMPLIANCE OF Fq AND THAT THE AFD | | ALARMS WOULD HAVE PROVIDED ADEQUATE WARNING TO THE PLANT OPERATORS. THE | | AFD MONITOR IS CONSIDERED TO HAVE BEEN OPERABLE DURING THE TIME OF THIS | | EVENT. UNIT 2 COULD HAVE CONTINUED TO OPERATE WITH THE OLD FULL OUT ROD | | POSITION VALUES WITH MINIMAL IMPACT ON PLANT OPERATION. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE R4DO (STETKA). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30027 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 02/26/96 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 12:07 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 02/26/96 | +------------------------------------------------+EVENT TIME: 11:55[EST]| |NRC NOTIFIED BY: DWAYNE BASLER |LAST UPDATE DATE: 02/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GLENN MEYER 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - INADEQUATE AMOUNT OF USABLE EMERGENCY GAS TURBINE GENERATOR FUEL ONSITE - | | | | UNIT 1 IS IN CONDITION 4 (COLD SHUTDOWN) IN A REFUELING OUTAGE WITH NO | | REACTOR CORE ALTERATIONS IN PROGRESS. | | | | ONE OF ONE EMERGENCY DIESEL GENERATOR (EDG) IS INOPERABLE FOR MAINTENANCE, | | AND ONE OF ONE EMERGENCY GAS TURBINE GENERATOR (EGTG) IS FUNCTIONAL. | | | | TECHNICAL SPECIFICATIONS REQUIRE THE LICENSEE TO MAINTAIN A MINIMUM OF | | 35,000 GALLONS OF USABLE EGTG FUEL ONSITE. THE LICENSEE DETERMINED THAT | | ONLY 30,000 GALLONS OF USABLE EGTG FUEL (OF 40,000 THE GALLONS TOTAL IN 2 | | TANKS) WERE AVAILABLE ONSITE. THE LICENSEE DECLARED THE EGTG INOPERABLE | | EVEN THOUGH IT IS FUNCTIONAL. | | | | THE LICENSEE HAS ORDERED ADDITIONAL FUEL, AND IT SHOULD BE DELIVERED TO THE | | SITE IN A FEW DAYS. THE LICENSEE PLANS TO ADMINISTRATIVELY MAINTAIN FUEL | | INVENTORY AT A HIGHER LEVEL IN THE FUTURE TO MEET TECHNICAL SPECIFICATION | | REQUIREMENTS. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. | | | | THIS EVENT HAS NO EFFECT ON UNITS 2 AND 3. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30028 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 02/26/96 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:59 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/26/96 | +------------------------------------------------+EVENT TIME: 09:30[CST]| |NRC NOTIFIED BY: CHUCK WINTERS |LAST UPDATE DATE: 02/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MONTE PHILLIPS 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -AUX AND FUEL BLDG VENT SYSTEM FAN CONTROL SWITCHES FOUND IN OFF POSITION- | | | | THE LICENSEE DISCOVERED THAT THE CONTROL SWITCHES FOR THE UNIT 1/2 | | AUXILIARY AND FUEL BUILDING VENTILATION SYSTEM CHARCOAL BOOSTER FANS #OA, | | #OC, AND #OD WERE IN THE OFF POSITION. FAN #OB WAS RUNNING BUT DECLARED | | INOPERABLE FOR MAINTENANCE ACTIVITIES. | | | | WITH THE SWITCHES IN THE OFF POSITION, THE FANS WOULD NOT HAVE STARTED UPON | | RECEIPT OF AN AUTOMATIC START SIGNAL. THUS, THE FANS ARE DETERMINED TO BE | | OUTSIDE THE DESIGN BASIS CONSIDERATIONS. | | | | THE LICENSEE RETURNED THE FAN START SWITCHES TO THE AUTOMATIC START | | POSITION AND MANUALLY STARTED THE FANS TO VERIFY OPERABILITY. | | | | THE LICENSEE IS PERFORMING AN INVESTIGATION TO DETERMINE HOW THE SWITCHES | | BECAME MISPOSITIONED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 30029 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: NUCLEAR METALS, INC |NOTIFICATION DATE: 02/26/96 | | CITY: CONCORD REGION: 1 |NOTIFICATION TIME: 16:36 [ET]| | COUNTY: STATE: MA |EVENT DATE: 02/21/96 | |LICENSE#: SMB-179 AGREEMENT: N |EVENT TIME: 06:55[EST]| | DOCKET: 04000672 |LAST UPDATE DATE: 02/26/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GLENN MEYER RDO | | |DONALD COOL, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: ERIC ANDERSON | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -VENT FIRE LASTING LESS THAN ONE HOUR; NO RAD RELEASES OR CONTAMINATIONS- | | | | AT 0645 ON 02/21/96, THE LICENSEE STARTED THE LIQUID RADIOACTIVE WASTE | | PROCESSING SYSTEM. AT APPROXIMATELY 0655 ON 02/21/96, A FIRE STARTED | | INSIDE THE SYSTEM. | | | | THE LICENSEE PUT THE FIRE OUT WITHOUT OFFSITE ASSISTANCE IN LESS THAN ONE | | HOUR. ALL WORKERS RESPONDING TO THE FIRE WORE BREATHING ZONE AIR SAMPLERS, | | AND NO WORKERS RECEIVED INTAKES OF RADIOACTIVE MATERIALS. | | | | AFTER REVIEWING THE EVENT, THE LICENSEE DETERMINED THAT THE SYSTEM | | THERMOCOUPLES THAT HAD BEEN REPLACED THE PREVIOUS DAY APPARENTLY WERE | | THE CAUSE OF THE FIRE. | | | | THE LICENSEE DETERMINED THAT NO OFFSITE RADIATION RELEASES HAD OCCURRED AS | | A RESULT OF THE FIRE. | | | | THE LICENSEE NOTIFIED THE COMMONWEALTH OF MASSACHUSETTS OFFICIALS AND NRC | | REGION 1 OFFICIALS. | | | | REGION 1 (MARIE MILLER AND RON BELLAMY) ISSUED NRC PRELIMINARY NOTIFICATION | | #PN1-96-11 ON THIS EVENT ON 02/26/96. | | | | (REFER TO THE HOO LOG FOR CALLER'S TELEPHONE NUMBER.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30030 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 02/26/96 | |UNIT: [1] [2] [3] STATE: SC |NOTIFICATION TIME: 18:19 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 02/26/96 | +------------------------------------------------+EVENT TIME: 14:16[EST]| |NRC NOTIFIED BY: MIKE BAILEY |LAST UPDATE DATE: 02/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK LESSER RDO | |NINF INFORMATION ONLY | | |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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - KEOWEE STATION VOLTAGE REGULATORS LOWER LIMIT SETTINGS BEING DETERMINED - | | | | CLASS 1E EMERGENCY ELECTRICAL POWER IS SUPPLIED TO THE THREE OCONEE UNITS | | BY TWO KEOWEE HYDROELECTRIC STATIONS VIA TWO POWER PATHS: ONE ABOVE GROUND | | TRANSMISSION LINE AND ONE UNDERGROUND CABLE. | | | | THE LICENSEE COULD NOT LOCATE DOCUMENTATION ON THE CORRECT LOWER LIMIT | | SETTINGS FOR THE VOLTAGE REGULATORS ON THE KEOWEE STATIONS. THUS, THE | | LICENSEE PLANS TO PERFORM A TEST TO DETERMINE THE CORRECT SETTINGS. | | ONCE THE CORRECT SETTINGS HAVE BEEN DETERMINED, THE LICENSEE WILL EVALUATE | | THE VOLTAGE CONDITIONS ON THE EMERGENCY POWER LOADS. THE LICENSEE DECLARED | | THE UNDERGROUND CABLE INOPERABLE IN ORDER TO PERFORM THE TEST. | | | | AT 1416, THE LICENSEE ENTERED TECHNICAL SPECIFICATION LCO A/S 3.7.2 WHICH | | REQUIRES THE LICENSEE TO RESTORE THE 1 INOPERABLE KEOWEE POWER PATH TO | | OPERABLE STATUS WITHIN 72 HOURS OR TO SHUT ALL 3 UNITS DOWN WITHIN THE | | FOLLOWING 12 HOURS. | | | | THIS EVENT HAS NO EFFECT ON THE THREE OPERATING OCONEE UNITS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30031 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 02/27/96 | |UNIT: [1] [2] [3] STATE: SC |NOTIFICATION TIME: 01:59 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 02/27/96 | +------------------------------------------------+EVENT TIME: 01:00[EST]| |NRC NOTIFIED BY: GREENE |LAST UPDATE DATE: 02/27/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LESSER 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | VOLTAGE REGULATOR SETTING AT KEOWEE HYDROELECTRIC STATION FOUND TO BE TOO | | LOW | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "FIELD STUDIES HAVE REVEALED THAT IF CERTAIN DESIGN BASIS EVENTS HAD | | OCCURRED IN THE PAST, THE OUTPUT OF THE KEOWEE HYDRO UNITS MAY NOT HAVE | | BEEN SUFFICIENT TO ENSURE PROPER OPERATION OF CERTAIN SAFETY-RELATED LOADS. | | THE ACTUAL SETTING OF THE VOLTAGE REGULATOR ON THE KEOWEE HYDRO UNIT TIED | | TO THE UNDERGROUND POWER PATH WAS MEASURED AT 11.9 kV. THIS REGULATOR WAS | | SUBSEQUENTLY RECALIBRATED TO 13.5 kV TO ELIMINATE THIS PROBLEM. FURTHER | | STUDIES WILL BE CONDUCTED TO VERIFY THE RESULTS OF THIS LOWER VOLTAGE ON | | SAFETY-RELATED COMPONENTS. THIS NOTIFICATION MAY BE RETRACTED IN THE | | FUTURE DEPENDING ON THE RESULTS OF THESE STUDIES. THIS NOTIFICATION | | CONCERNS PAST OPERABILITY ONLY." | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED OF THIS EVENT. (REFER TO | | RELATED EVENT NO. 30030.) | +------------------------------------------------------------------------------+