U.S. Nuclear Regulatory Commission Operations Center Event Reports For 11/30/95 - 12/01/95 ** EVENT NUMBERS ** 29628 29655 29656 29657 29658 29659 29660 29661 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29628 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 11/21/95 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 10:26 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 11/21/95 | +------------------------------------------------+EVENT TIME: 10:00[EST]| |NRC NOTIFIED BY: QUINN |LAST UPDATE DATE: 11/30/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CURTIS COWGILL 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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED THAT A WELD ON A RECIRCULATION SYSTEM JET PUMP | | RISER HAS A FLAW INDICATION. | | | | THIS CONDITION WAS DISCOVERED DURING A ROUTINE INSERVICE INSPECTION. THE | | CAUSE OF THE WELD FLAW INDICATION IS DUE TO INTERGRANULAR STRESS CORROSION | | CRACKING. THE FLAW INDICATION EXCEEDS THEIR OPERABILITY CRITERION. THE | | LICENSEE WILL MAKE REPAIRS TO WELD PRIOR TO STARTUP. THE RI WAS INFORMED. | | | | HOO NOTE: SEE EVENT #29613 | | | | * * * UPDATE AT 0906 ON 11/30/95 BY QUINN TAKEN BY WEAVER * * * | | FIVE ADDITIONAL FLAWS WERE DISCOVERED DURING FOLLOWUP INSPECTIONS. TWO | | ADDITIONAL FLAWS WERE DISCOVERED ON JET PUMP RISERS. EACH WELD FLAW ON THE | | JET PUMP RISERS WAS LOCATED WHERE THE RISER JOINS WITH THE MANIFOLD. IN | | ADDITION, THREE FLAWS WERE DISCOVERED IN WELDS ON THE 28" DIAMETER PIPING | | IN THE RECIRCULATION SYSTEM. THE LICENSEE PLANS FULL STRUCTURAL WELD | | OVERLAYS TO REPAIR THE FLAWS. HOO NOTIFIED THE RDO (NICHOLSON). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29655 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 11/30/95 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 08:28 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 11/30/95 | +------------------------------------------------+EVENT TIME: 08:25[EST]| |NRC NOTIFIED BY: TIM KULTERMAN |LAST UPDATE DATE: 11/30/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LARRY NICHOLSON RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N Y 92 POWER OPERATION | 92 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE IS NOTIFYING THE STATE OF CONNECTICUT AND LOCAL GOVERNMENT | | THAT THEY ARE SHUTTING DOWN THE PLANT FOR MAINTENANCE ON AN RCS VALVE. | | | | THE LICENSEE STARTED A PLANT SHUTDOWN AT 0800 EST TO INSPECT AND PERFORM | | THE APPROPRIATE MAINTENANCE ON REACTOR COOLANT SYSTEM CHECK VALVE | | "RCS*V-146". THE VALVE IS EXHIBITING BODY TO BONNET LEAKAGE. THE LICENSEE | | NOTIFIED THE STATE OF CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION, | | THE WATERFORD LOCAL GOVERNMENT, AND THE NRC RESIDENT INSPECTOR. THE | | LICENSEE MAY ISSUE A PRESS RELEASE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 29656 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: MALLINCKRODT MEDICAL |NOTIFICATION DATE: 11/30/95 | | CITY: LOGAN OR CRAWLE REGION: 2 |NOTIFICATION TIME: 10:24 [ET]| | COUNTY: LOGAN STATE: WV |EVENT DATE: 11/30/95 | |LICENSE#: AGREEMENT: N |EVENT TIME: 03:30[EST]| | DOCKET: |LAST UPDATE DATE: 11/30/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |KERRY LANDIS RDO | | |FRED COMBS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: MOORE | | |HQ OPS OFFICER: RUDY KARSCH | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NTRA TRANSPORTATION EVENT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE DOT-NRC REPORTED A ROAD ACCIDENT INVOLVING RADIOACTIVE MATERIAL | | MANUFACTURED BY MALLINCKRODT MEDICAL, MARYLAND HEIGHTS, MO. | | | | RADIOACTIVE MATERIAL TRANSPORTED IN THE BED OF A PICK UP TRUCK WAS EJECTED | | WHEN THE TRUCK RAN OFF THE ROAD. BOTH EJECTED PACKAGES WERE RECOVERED. NO | | CONTAMINATION OF THE AREA WAS DETECTED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29657 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 11/30/95 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:37 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 11/30/95 | +------------------------------------------------+EVENT TIME: 11:10[CST]| |NRC NOTIFIED BY: DUCK |LAST UPDATE DATE: 11/30/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARTIN FARBER RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 81 POWER OPERATION | 81 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DECLARED HPCI INOPERABLE AND ENTERED A 14 DAY LCO ACTION | | STATEMENT. | | | | DURING THE PERIODIC HPCI PUMP OPERABILITY TEST(QCOS-2300-1) FLOW | | OSCILLATIONS WERE EXPERIENCED DURING STARTUP OF THE SYSTEM. THE HPCI TEST | | RETURN VALVE(MOV 2-2301-10) WAS POSITIONED TO ITS PRE-TEST POSITION AND | | WHEN THE HPCI SYSTEM WAS STARTED, FLOW OSCILLATIONS OCCURRED UNTIL THE MOV | | 2-2301-10 VALVE WAS REPOSITIONED PER PROCEDURE TO OBTAIN THE RATED TS | | CONDITIONS. AT THIS TIME FLOW WAS STEADY. SYSTEM ENGINEERING AND INSTRUMENT | | MAINT WERE CONTACTED TO INVESTIGATE. HPCI OUTAGE REPORT(QCOS-2300-2) WAS | | INITIATED AND ALL REQUIRED SYSTEMS WERE VERIFIED OPERABLE. THE CAUSE OF THE | | PROBLEM IS STILL UNDER INVESTIGATION. THE RI WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29658 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ARKANSAS NUCLEAR REGION: 4 |NOTIFICATION DATE: 11/30/95 | |UNIT: [ ] [2] [ ] STATE: AR |NOTIFICATION TIME: 15:45 [ET]| |RX TYPE: [1] B&W-L-LP,[2] CE |EVENT DATE: 11/30/95 | +------------------------------------------------+EVENT TIME: 13:29[CST]| |NRC NOTIFIED BY: CHURCHMAN |LAST UPDATE DATE: 11/30/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE YANDELL 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 1 STARTUP | 1 STARTUP | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE STATE OF ARKANSAS DEPARTMENT OF POLLUTION CONTROL | | THAT THEY EXCEEDED THE pH UPPER LIMIT FOR THEIR NPDES PERMIT. | | | | ON 11/29/95 @ 17:15 THEY WERE DIRECTING S/G BLOWDOWN TO THE DISCHARGE FLUME | | AND THEY EXCEEDED THE 9.0 pH PERMIT LIMIT. THIS OCCURRED WHEN THEY | | TRANSFERRED BACK FROM HAVING THE STEAM DUMPS GOING TO ATMOSPHERE TO GOING | | TO THE CONDENSER WHICH CAUSED A CONCENTRATION EFFECT IN THE CONDENSER. | | DURING THE SAME TIME THEY WERE STILL DIRECTING S/G BLOWDOWN TO THE FLUME. | | AT THIS TIME CHEMISTRY NOTICED THAT THE SULFATES WERE REAL HIGH, SO THEY | | INCREASED SAMPLING FOR SULFATES AND WERE NOT MONITORING THE pH AS THEY | | SHOULD AND IT INCREASED TO 9.1. AT THAT POINT THEY SECURED THE BLOWDOWN TO | | THE FLUME AND SECURED THE CHEMICAL FEED TO THE CONDENSER SO THAT THEY COULD | | GET pH BACK IN SPEC. TOTAL DISCHARGE WAS APPROX 60,000 GALS. THE RI AND | | STATE WERE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29659 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 11/30/95 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 17:20 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 11/30/95 | +------------------------------------------------+EVENT TIME: 15:46[EST]| |NRC NOTIFIED BY: WALSH |LAST UPDATE DATE: 11/30/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE 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 +------------------------------------------------------------------------------+ | THE LICENSEE IDENTIFIED THAT THE HPCI AND RCIC INJECTION VALVES WERE | | SUSCEPTIBLE TO THERMALLY INDUCED PRESSURE LOCKING. | | | | THE FOLLOWING IS FROM THE LICENSEE'S FAX. | | | | SUSQUEHANNA'S REVIEW OF GENERIC LETTER 95-07 IDENTIFIED THAT THE HPCI AND | | RCIC INJECTION VALVES WERE SUSCEPTIBLE TO THERMALLY INDUCED PRESSURE | | LOCKING. ON NOVEMBER 11, 1995 UNIT 1 WAS SHUT DOWN TO PERFORM A REPAIR OF | | THE MAIN GENERATOR. DURING THE FORCED OUTAGE, MODIFICATIONS WERE COMPLETED | | ON BOTH UNIT 1 HPCI AND RCIC INJECTION VALVES BY DRILLING A PRESSURE RELIEF | | HOLE IN THE DOWNSTREAM SIDE OF EACH VALVE'S DISC. DURING DISASSEMBLY OF THE | | UNIT 1 HPCI INJECTION VALVE, DAMAGE WAS OBSERVED IN THE VALVE BONNET | | PRESSURE SEAL SEGMENTED RETAINING RING. THE RING WAS BENT UPWARD | | APPROXIMATELY 0.135". AT THIS TIME THEY BELIEVE THAT THE MOST LIKELY CAUSE | | WAS A BUILD UP OF PRESSURE IN THE VALVE BONNET WHICH RESULTED IN FORCES | | GREAT ENOUGH TO CAUSE THE RETAINING RING TO YIELD. PRELIMINARY CALCULATIONS | | INDICATES THAT A VERTICAL LOAD OF APPROXIMATELY 994,000 POUNDS WOULD CAUSE | | THE DEFORMATION FOUND. A VALVE INTERNAL PRESSURE OF APPROXIMATELY 5900 PSI | | WOULD CAUSE THIS VERTICAL LOAD. THE ANALYSIS INDICATED THAT WITH THIS | | INTERNAL PRESSURE, IT CAN NOT BE ASSURED THAT THE HPCI INJECTION VALVE | | WOULD HAVE OPENED. THEREFORE, IT IS BELIEVED THAT FOR SOME PERIOD OF TIME | | BETWEEN THE LAST VALVE DISASSEMBLY IN APRIL OF 1992 AND NOVEMBER 11, 1995, | | WITH THE VALVE BONNET SUFFICIENTLY PRESSURIZED, THE HPCI INJECTION VALVE | | WAS INOPERABLE AND THEREFORE THE HPCI SYSTEM WAS INOPERABLE. THE DAMAGE | | FOUND IN THE UNIT 1 HPCI INJECTION VALVE BY ITSELF DID NOT EFFECT VALVE | | OPERABILITY. SINCE HPCI IS A SINGLE TRAIN SAFETY SYSTEM, THIS CONDITION WAS | | DETERMINED TO BE REPORTABLE. | | | | THE RCIC INJECTION VALVE WAS ALSO DISASSEMBLED DURING THE FORCED OUTAGE TO | | DRILL A PRESSURE HOLE IN THE VALVE DISC. WHEN THE VALVE WAS DISASSEMBLED NO | | DAMAGE WAS OBSERVED. | | | | THE UNIT 1 HPCI INJECTION VALVE HAS BEEN REPAIRED AND A MODIFICATION TO THE | | VALVE DISC WAS PERFORMED TO PREVENT BONNET PRESSURIZATION. THE UNIT 2 HPCI | | AND RCIC INJECTION VALVES HAVE BEEN SUCCESSFULLY STROKED WHILE AT 100% | | POWER OPERATION AND ARE CONSIDERED OPERABLE. IT IS THEIR INTENT TO SCHEDULE | | THE SAME MODIFICATIONS TO THE UNIT 2 HPCI AND RCIC INJECTION VALVES. | | | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29660 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 11/30/95 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 20:36 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 11/30/95 | +------------------------------------------------+EVENT TIME: 20:33[EST]| |NRC NOTIFIED BY: KULTERMAN |LAST UPDATE DATE: 11/30/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 HOT STANDBY | 0 HOT STANDBY | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT IS SHUTTING DOWN TO COLD S/D DUE TO REACTOR COOLANT SYSTEM | | PRESSURE BOUNDARY LEAKAGE. | | | | THE LICENSEE DISCOVERED THAT THEY HAVE RCS PRESSURE BOUNDARY LEAKAGE ON | | LOOP #3 FLOW TAP TO FLOW TRANSMITTER 3RCS*FT 434. THE CAUSE OF THE LEAKAGE | | IS A CRACKED WELD JOINT BETWEEN THE TRANSMITTER AND THE PIPING WHICH IS | | NON-ISOLABLE. THE UNIDENTIFIED LEAK RATE, WHICH INCLUDES LEAKAGE FROM THE | | WELD CRACK, IS 0.051GPM. THE PLANT HAS TO BE IN COLD S/D WITHIN 30 HRS. THE | | RI WAS NOTIFIED AND STATE AND LOCAL AGENCIES WILL BE NOTIFIED. THERE ALSO | | MAY BE A PRESS RELEASE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29661 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 12/01/95 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 00:47 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 11/30/95 | +------------------------------------------------+EVENT TIME: 21:58[EST]| |NRC NOTIFIED BY: PHIL SANTINI |LAST UPDATE DATE: 12/01/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AN OIL SPILL (CONTAINED ON SITE) FROM A STORAGE TANK CAUSES LICENSEE TO | | NOTIFY OFF-SITE AGENCIES. | | | | THE LICENSEE NOTIFIED THE U.S. COAST GUARD, THE U.S. DOT-NRC, THE | | INTERSTATE SANITATION COMMISSION, AND THE NEW YORK DEPARTMENT OF | | ENVIRONMENTAL CONSERVATION THAT LESS THAN 20 GALLONS OF OIL LEAKED FROM A | | COMPRESSOR'S OIL STORAGE TANK OVERFLOW. THE OIL ENTERED A STORM DRAIN | | WHERE THE LICENSEE CONTAINED THE SPILL. CLEAN UP IS PROGRESSING. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+