U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/28/96 - 05/29/96 ** EVENT NUMBERS ** 30544 30551 30552 30553 30554 30555 30556 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30544 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 05/26/96 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 06:35 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/26/96 | +------------------------------------------------+EVENT TIME: 05:17[EDT]| |NRC NOTIFIED BY: FRANK GORLEY |LAST UPDATE DATE: 05/28/96 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN 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 | M/R Y 18 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR SCRAM FROM 18% POWER FOLLOWING SPURIOUS TRIP OF REACTOR | | FEEDWATER PUMPS. | | | | FAX RECEIVED FROM THE LICENSEE: | | | | MANUALLY SCRAMMED REACTOR FOLLOWING A RFP TURBINE TRIP CAUSED BY THE THRUST | | BEARING WEAR TRIP. REACTOR WATER LEVEL HAD DECREASED TO 10" AT THE TIME OF | | THE SCRAM. USED RCIC TO RECOVER LEVEL. RECEIVED GROUP 2 ISOLATION AT + 3 | | INCHES. ALL VALVES CLOSED AS REQUIRED. LOWEST RX WATER LEVEL OBSERVED WAS | | - 30 INCHES. RESTORED RX WATER LEVEL TO + 37 INCHES. RETURNED RCIC TO | | STANDBY. CRD FLOW PRESENTLY CONTROLLING RWL. | | END OF FAX. | | | | OPERATORS MANUALLY SCRAMMED UNIT 1 AFTER RECEIVING A SPURIOUS THRUST | | BEARING WEAR TRIP ON BOTH REACTOR FEEDWATER PUMPS (RFP). THE "A" RFP WAS | | SUPPLYING WATER TO THE VESSEL WITH THE "B" RFP IN STANDBY AT 2000 RPM. ALL | | RODS FULLY INSERTED. THE LICENSEE HAD REDUCED POWER AND TAKEN THE TURBINE | | OFFLINE FOR REPAIR OF AN EHC LEAK PRIOR TO THE MANUAL SCRAM. THE LICENSEE | | IS CURRENTLY TROUBLE SHOOTING THE MARK 5 RFP CONTROLLER WHICH WAS INSTALLED | | IN THE SPRING OUTAGE THIS YEAR. THE GROUP 2 ISOLATION SIGNAL CLOSES | | PRIMARY CONTAINMENT ISOLATION VALVES. THE LICENSEE INFORMED THE NRC | | RESIDENT INSPECTOR. THE LICENSEE HAS NO PLANS FOR A PRESS RELEASE AND | | ANTICIPATES RESTART LATE 5/26. | | | | * * * UPDATE 0430EDT 5/28/96 BY S. SANDIN DURING MORNING STATUS CALL * * * | | LICENSEE IDENTIFIED PROBLEM WAS RELATED TO FAILURE OF SINGLE POWER SUPPLY | | COMMON TO BOTH RFP CONTROLLERS. THEY SUSPECT THAT ONE OF THE TEST LEADS | | TIED INTO THE PANEL WAS GROUNDED CAUSING THE FAILURE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30551 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GINNA REGION: 1 |NOTIFICATION DATE: 05/28/96 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 04:36 [ET]| |RX TYPE: [1] W-2-LP |EVENT DATE: 05/28/96 | +------------------------------------------------+EVENT TIME: 03:46[EDT]| |NRC NOTIFIED BY: GORDON MOSTERT |LAST UPDATE DATE: 05/28/96 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SECURITY OFFICER FITNESS FOR DUTY QUESTIONED DUE TO INATTENTIVENESS ON | | WATCH. IMMEDIATE COMPENSATORY MEASURES TAKEN UPON DISCOVERY. THE LICENSEE | | WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30552 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 05/28/96 | |UNIT: [1] [2] [ ] STATE: WI |NOTIFICATION TIME: 16:38 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 05/28/96 | +------------------------------------------------+EVENT TIME: 02:45[CDT]| |NRC NOTIFIED BY: BAUER |LAST UPDATE DATE: 05/28/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN 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 | | 2 | N Y 90 POWER OPERATION | 90 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE ISSUED A PRESS RELEASE REGARDING THE LOADING OF SPENT NUCLEAR | | FUEL INTO DRY STORAGE CONTAINERS THAT WAS SUSPENDED AFTER COMBUSTIBLE GAS | | WAS DETECTED. | | | | THIS OCCURRED AFTER THE SPENT FUEL ASSEMBLIES HAD BEEN PLACED INTO A | | CONTAINER (MULTI-ASSEMBLY STORAGE BASKET) AND REMOVED FROM THE SPENT FUEL | | POOL. A SHIELD LID WAS BEING MECHANICALLY WELDED TO THE TOP OF THE | | CONTAINER, WHEN COMBUSTIBLE GAS WAS DETECTED AND A BRIEF GAS BURN OCCURRED. | | THE WELDING PROCEDURE WAS DISCONTINUED AND NO INJURIES OCCURRED AT THE | | SITE. THERE WAS NO RISK TO THE GENERAL PUBLIC AND THE OCCURRENCE DID NOT | | RESULT IN ANY RELEASE OF RADIATION. THE LICENSEE IS CURRENTLY | | INVESTIGATING THE CAUSE OF THE GAS BURN AND IS PREPARING TO RETURN THE | | CONTAINER TO THE SPENT FUEL POOL. THE LICENSEE NOTIFIED THE STATE OF | | WISCONSIN AND KEWAUNEE AND MANITOWOC COUNTIES AND THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30553 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PRAIRIE ISLAND REGION: 3 |NOTIFICATION DATE: 05/28/96 | |UNIT: [1] [ ] [ ] STATE: MN |NOTIFICATION TIME: 17:11 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 05/28/96 | +------------------------------------------------+EVENT TIME: 15:50[CDT]| |NRC NOTIFIED BY: HERLING |LAST UPDATE DATE: 05/28/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN 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 LICENSEE REPORTED A DEGRADED CONDITION FOUND IN FOUR SLEEVED TUBES IN | | SERVICE IN #12 STEAM GENERATOR. | | | | THE SLEEVE JOINTS ARE DEGRADED IN THAT A POSSIBLE LACK OF FUSION EXISTS | | WHICH CAN RESULT IN A POTENTIAL LEAK PATH FROM THE PRIMARY TO SECONDARY | | SIDE. DURING A FEB 96 INSPECTION OF THE #12 S/G TUBING, FIVE S/G TUBE | | WELDED SLEEVES WERE REMOVED FOR METALLURGICAL EXAMINATION DUE TO POTENTIAL | | LEAKAGE AND DUE TO UNKNOWN EDDY CURRENT INDICATIONS. THE RESULTS OF THIS | | EXAMINATION LED TO ENHANCED METHODS FOR ANALYZING THE POST WELD ULTRASONIC | | EXAMINATION OF THE UPPER SLEEVE JOINT. THE ULTRASONIC DATA FOR THE 36 TUBES | | IN SERVICE WITH VOLUMETRIC INDICATIONS HAS BEEN REANALYZED USING THE | | ENHANCED ULTRASONIC ANALYSIS GUIDELINES. FOUR IN-SERVICE SLEEVES EACH HAVE | | 25 DEGREES OR LESS OF POSSIBLE LACK OF FUSION INDICATIONS WHICH MAY BE | | INSTALLATION RELATED AND NOT DUE TO IN-SERVICE DEGRADATION. THE FOUR TUBES | | WITH THEIR INSTALLATION DATES ARE R3C36 (9210), R3C41 (9210), R3C44 (9405), | | AND R7C65 (9405). EVALUATION OF THE WELD HEIGHTS SHOWS THAT THESE SLEEVES | | MEET THE STRUCTURAL REQUIREMENTS OF DRAFT REG GUIDE 1.121, "BASES FOR | | PLUGGING DEGRADED PWR STEAM GENERATOR TUBES". TOTAL EXPECTED LEAKAGE AT | | MAIN STEAM LINE BREAK CONDITIONS IS LESS THAN 0.064 GPM. THESE TUBES HAVE | | ALREADY BEEN INCLUDED IN THE SLEEVE OPERABILITY ASSESSMENT AT PRAIRIE | | ISLAND. | | | | THE RI WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30554 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 05/28/96 | |UNIT: [ ] [2] [ ] STATE: FL |NOTIFICATION TIME: 17:29 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 05/28/96 | +------------------------------------------------+EVENT TIME: 16:30[EDT]| |NRC NOTIFIED BY: FIELDS |LAST UPDATE DATE: 05/28/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 LICENSEE NOTIFIED THE FLORIDA DEPARTMENT OF ENVIRONMENTAL PROTECTION OF | | A POTENTIAL ENVIRONMENTAL HAZARD. | | | | THIS WAS ASSOCIATED WITH THE APPARENT LOSS OF APPROXIMATELY 1200 CONDENSER | | TUBE CLEANING SYSTEM SPONGE BALLS. EXTENSIVE SEARCH OF THE CIRCULATING | | WATER SYSTEM, BEACHES AND SURROUNDING AREAS HAVE SHOWN NO EVIDENCE OF THE | | BALLS. A PORTION OF THE SYSTEM FROM WHICH THE BALLS WERE LOST CURRENTLY IS | | IN SERVICE WITH THE CONDENSER TUBE CLEANING SYSTEM SECURED. COMPLETE | | INVENTORY OF THE BALLS THROUGHOUT THE ENTIRE SYSTEM IS IN PROGRESS. THE RI | | WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30555 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 05/28/96 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 21:57 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/28/96 | +------------------------------------------------+EVENT TIME: 21:44[EDT]| |NRC NOTIFIED BY: MEYER |LAST UPDATE DATE: 05/28/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |AHIN 50.72(b)(1)(vi) OTHER HIND TO SAFE OP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 LICENSEE REPORTED A CONDITION UNDER REG GUIDE 1.133, SECTION C.6 TO | | CONFIRM THE PRESENCE OF A LOOSE PART. | | | | THE LICENSEE CONFIRMED THE PRESENCE OF A LOOSE PART IN THE UNIT 1 #4 STEAM | | GENERATOR. WESTINGHOUSE LOOSE PARTS ANALYSIS WAS RECEIVED AT 21:44 | | CONFIRMING LOOSE PARTS IN #4 STEAM GENERATOR SECONDARY SIDE. A LOOSE PARTS | | CONFIRMATION FOLLOWUP REPORT WILL BE SUBMITTED TO THE NRC PER THE REG | | GUIDE. THE PLANT WILL BE SHUT DOWN TO FIND THE LOOSE PARTS. THE RI WAS | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30556 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 05/29/96 | |UNIT: [1] [ ] [3] STATE: SC |NOTIFICATION TIME: 07:55 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 05/29/96 | +------------------------------------------------+EVENT TIME: 06:56[EDT]| |NRC NOTIFIED BY: SCOTT HOLLINGSWORTH |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |ADEV 50.72(b)(1)(i)(B) DEVIATION FROM T SPEC | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE MISSED THEIR SURVEILLANCE ON CHEMISTRY SAMPLES. | | TECH SPECS DEFINE A SURVEILLANCE INTERVAL FOR REACTOR COOLANT CHEMISTRY | | SAMPLING. THE ANALYSIS FOR Sr 89, Sr 90 AND GROSS ALPHA ACTIVITY EXCEEDED | | THE REQUIRED 45 DAY SAMPLING PERIOD. THE LICENSEE WILL INFORM THE NRC | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+