U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/29/96 - 05/30/96 ** EVENT NUMBERS ** 30511 30523 30555 30556 30557 30558 30559 30560 30561 30562 30563 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30511 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 05/21/96 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 12:58 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 05/21/96 | +------------------------------------------------+EVENT TIME: 12:15[EDT]| |NRC NOTIFIED BY: RICK HENRIQUEZ |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | |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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION (HPCI) SUCTION VALVES SWAPPED FROM THE | | CONDENSATE STORAGE TANK TO THE TORUS UNEXPECTEDLY. | | | | HPCI HAS BEEN DECLARED INOPERABLE PENDING RESOLUTION OF THE ROOT CAUSE. THE | | LICENSEE'S INSTRUMENTATION AND CONTROL TECHNICIANS ARE TROUBLESHOOTING THE | | SYSTEM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1135 ON 05/29/96 BY MIKE EMPEY ENTERED BY JOLLIFFE * * * | | | | THE LICENSEE DESIRES TO RETRACT THIS EVENT AFTER DETERMINING THAT THE HPCI | | SYSTEM HAD BEEN, IN FACT, OPERABLE DURING THIS EVENT SINCE THE SYSTEM COULD | | HAVE PERFORMED ITS INTENDED FUNCTION WHEN LINED UP TO THE TORUS. | | | | THE HOO NOTIFIED R1DO DAN HOLODY. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30523 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 05/22/96 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 14:04 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 05/22/96 | +------------------------------------------------+EVENT TIME: 13:15[EDT]| |NRC NOTIFIED BY: DAVE HALLONGUIST |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A CONTAINMENT ISOLATION VALVE FAILED TO OPEN RENDERING THE CONTAINMENT | | SAMPLING SYSTEM INOPERABLE. | | | | THE LICENSEE WAS RECOVERING FROM A MANUAL GROUP 3 ISOLATION FOLLOWING | | REPLACEMENT OF A REACTOR BUILDING VENTILATION RADIATION MONITOR. THE | | ISOLATION VALVE FOR THE CONTAINMENT SAMPLING SYSTEM FAILED TO REOPEN. THE | | CONTAINMENT SAMPLING SYSTEM WAS DECLARED INOPERABLE, AND A 7-DAY LIMITING | | CONDITION FOR OPERATION WAS ENTERED PER TECHNICAL SPECIFICATION 3.6.C.2. | | THE LICENSEE IS NOT SURE THAT OPERATING IN THIS CONFIGURATION IS OUTSIDE | | THE PLANT'S DESIGN BASIS BUT IS CONSERVATIVELY MAKING THIS NOTIFICATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND THE STATE OF VERMONT. | | | | ***UPDATE ON 5/29/96 @ 14:46 BY EMPEY TO GOULD*** THE LICENSEE IS | | RETRACTING THIS EVENT SINCE IT WAS AN INDICATION PROBLEM AND NOT A POSITION | | PROBLEM. THE VALVE WAS OPEN BUT THE LIMIT SWITCH FOR OPEN INDICATION WAS | | OUT OF ADJUSTMENT AND THE INDICATION LIGHT BULB WAS BURNT OUT. THE RI WILL | | BE INFORMED. REG 1 RDO HOLODY WAS INFORMED | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |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: 05/29/96 | |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. | | | | * * * UPDATE ON 5/29/96 AT 0921 EDT FROM ROBINSON TAKEN BY KARSCH * * * | | THE ANALYSIS BY WESTINGHOUSE DETERMINED THAT THE LOOSE PART IS PROBABLY ON | | THE PRIMARY SIDE. ITS WEIGHT IS BETWEEN 1/2 TO 3/4 POUND. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |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: |THOMAS DECKER RDO | |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 SPEC 4.0.2 AND TABLE 4.1-3 DEFINE SURVEILLANCE INTERVALS 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. | | | | * * * UPDATE AT 1127 EDT FROM CLARKSON TAKEN BY KARSCH * * * | | THE LICENSEE IS RETRACTING THIS EVENT. THIS EVENT IS NOT REPORTABLE SINCE | | MISSING THIS SURVEILLANCE DOES NOT CAUSE ANY TECH SPEC CONTROLLED SYSTEM TO | | BE DECLARED INOPERABLE. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | R2DO (DECKER) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30557 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COMANCHE PEAK REGION: 4 |NOTIFICATION DATE: 05/29/96 | |UNIT: [1] [2] [ ] STATE: TX |NOTIFICATION TIME: 09:41 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/29/96 | +------------------------------------------------+EVENT TIME: 09:00[CDT]| |NRC NOTIFIED BY: OBAID BHATTY |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 96 POWER OPERATION | 96 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | INSTALLATION OF RELIABILITY UPGRADES TO THE UNIT 1 AND UNIT 2 COMPUTERS | | WILL REQUIRE THEIR SHUTDOWN FOR OVER EIGHT HOURS. THE COMPUTERS CAN BE | | REBOOTED AND BE FUNCTIONAL IN LESS THAN HALF AN HOUR IF NEEDED. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30558 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 05/29/96 | |UNIT: [1] [2] [ ] STATE: NY |NOTIFICATION TIME: 12:59 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 05/29/96 | +------------------------------------------------+EVENT TIME: 11:00[EDT]| |NRC NOTIFIED BY: BOISMENU |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DANIEL HOLODY RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 89 POWER OPERATION | 89 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED THAT A SMALL NUMBER OF INDIVIDUALS HAD BEEN | | INTENTIONALLY REMOVED FROM THEIR FITNESS FOR DUTY RANDOM SELECTION POOL. | | | | THIS WAS DETECTED DURING AN INVESTIGATION OF THEIR FITNESS FOR DUTY RANDOM | | SOFTWARE SELECTION PROCESS. IT APPEARS THAT TWO COMPUTER PROGRAMMERS | | SUBVERTED THE RANDOM SELECTION PROCESS, ONE OF WHICH HAD UNESCORTED ACCESS. | | MOST OF THE OTHER INDIVIDUALS REMOVED FROM THE RANDOM SELECTION POOL WERE | | UNAWARE OF THIS FACT AND APPEAR NOT TO HAVE BEEN INVOLVED. AS FOR THE | | INDIVIDUALS NOT INVOLVED, THE DETERRENT EFFECT OF RANDOM TESTING WAS NOT | | AFFECTED. THE INVESTIGATION IS CONTINUING. ONE OF THE INDIVIDUALS INVOLVED | | WAS TESTED FOR CAUSE AND TESTED POSITIVE FOR DRUGS. THE LICENSEE HAS | | TERMINATED THE EMPLOYMENT OF ONE INDIVIDUAL AND SUSPENDED THE SECOND | | PENDING A FULL INVESTIGATION. | | | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30559 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 05/29/96 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 13:37 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 05/29/96 | +------------------------------------------------+EVENT TIME: 09:15[CDT]| |NRC NOTIFIED BY: GOLDEN |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE WAS MADE AWARE OF A NONCONSERVATISM IN THE CALCULATED VALUE OF | | SAFETY LIMIT MINIMUM CRITICAL POWER RATIO (SLMCPR) BY GENERAL ELECTRIC. | | | | GE SUBMITTED A PART 21 ON 5/21/96 STATING THAT GENERICALLY SLMCPR VALUES | | FOR GE-11 FUEL MAY NOT YIELD THE MOST CONSERVATIVE RESULTS. THE LICENSEE | | WAS OFFICIALLY NOTIFIED BY GE THAT CYCLE SPECIFIC ANALYSIS OF THE OPERATING | | BROWNS FERRY UNITS HAS BEEN COMPLETED. FOR UNIT 2, CONTAINING 200 GE-11 | | FUEL BUNDLES, THE SLMCPR HAS BEEN DETERMINED TO BE 1.09. FOR UNIT 3, | | CONTAINING 32 GE-11 FUEL BUNDLES, THE SLMCPR HAS BEEN DETERMINED TO BE | | 1.07. THE SLMCPR FOR UNIT 2 IS NONCONSERVATIVE BY 0.02 WITH RESPECT TO | | PLANT TECH SPEC 1.1.A.1, WHICH STATES THAT THE MCPR LESS THAN 1.07 SHALL | | CONSTITUTE A VIOLATION OF THE FUEL INTEGRITY LIMIT. PRIOR TO STARTUP, AT | | THE BEGINNING OF UNIT 2 CYCLE 9, THE LICENSEE HAD IMPLEMENTED, BASED ON | | PRELIMINARY INFORMATION, A 0.03 - 0.04 PENALTY ON THE OPERATING LIMIT | | MINIMUM CRITICAL POWER RATIO (OLMCPR) IN ORDER TO BOUND ANY POTENTIAL | | NONCONSERVATISM IN THE GENERIC SLMCPR CALCULATION. THE OPERATING LIMIT | | PENALTY HAS ENSURED THAT THE NEW SAFETY LIMIT WOULD NOT HAVE BEEN EXCEEDED | | FOR ANY ANALYZED TRANSIENT DURING THE CURRENT OPERATING CYCLE. THE | | OPERATING LIMIT PENALTY WILL BE ADJUSTED BASED ON THE VERIFIED SLMCPR DATA | | PROVIDED BY GE. | | | | THE RI WAS INFORMED. SEVERAL EVENT REPORTS ON THIS TOPIC WERE RECEIVED | | PREVIOUSLY (e.g. #30407, #30509, #30539). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30560 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 05/29/96 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 16:21 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 05/29/96 | +------------------------------------------------+EVENT TIME: 16:11[EDT]| |NRC NOTIFIED BY: MCDANIEL |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DANIEL HOLODY RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT FAILED THE APPENDIX J LOCAL LEAK RATE TEST. | | | | WHILE PERFORMING A CONTAINMENT ISOLATION APPENDIX J LOCAL LEAK RATE TEST, | | PENETRATION #86 (CONTAINMENT VENTILATION PENETRATION) FAILED THE TEST. THE | | LEAK WAS TOO LARGE TO HOLD PRESSURE, SO THEY COULD NOT QUANTIFY THE LEAK. | | THE LICENSEE IS SPECULATING THAT ONE OF THE TWO LARGE VALVES ("HVUCTV-32A" | | AND "HVUCTV-33A") ON PENETRATION #86 IS LEAKING. THE LICENSEE WILL INSPECT | | AND REPAIR THE VALVES, IF NECESSARY. THE RI, STATE AND LOCAL AGENCIES WERE | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30561 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 05/29/96 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 17:00 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 05/29/96 | +------------------------------------------------+EVENT TIME: 13:45[CDT]| |NRC NOTIFIED BY: MCDONALD |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 14 STARTUP | 14 STARTUP | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A PREMATURE ACTUATION OF THE TORUS TO DRYWELL VACUUM | | BREAKERS. | | | | THIS ACTUATION OCCURRED DURING THE PERFORMANCE OF PRIMARY CONTAINMENT | | INERTING AND WAS APPARENTLY DUE TO A LEAK IN NITROGEN PRESSURE CONTROL | | VALVE #2-8520. DURING THE INITIAL VALVE ALIGNMENT, NITROGEN WAS ALIGNED TO | | THE PRESSURE CONTROL VALVE WHICH WAS CLOSED. LEAKAGE PAST THE PRESSURE | | CONTROL VALVE RESULTED IN AN INCREASE IN TORUS PRESSURE WHICH CAUSED THE | | VACUUM BREAKERS TO OPEN (SETPOINT IS 0.15 PSID), PRIOR TO THE POINT IN THE | | PROCEDURE AT WHICH A VENT PATH IS ESTABLISHED AND THE PRESSURE CONTROL | | VALVE OPENED. THE TORUS WAS VENTED AND THE NITROGEN LINE WAS SECURED. ONLY | | 2 OUT OF 12 VACUUM BREAKERS CYCLED (DID NOT GO FULL OPEN) WITHIN 15 | | SECONDS. THE RI WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30562 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 05/29/96 | |UNIT: [ ] [3] [ ] STATE: PA |NOTIFICATION TIME: 18:37 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 05/29/96 | +------------------------------------------------+EVENT TIME: 17:15[EDT]| |NRC NOTIFIED BY: STOTT |LAST UPDATE DATE: 05/29/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DANIEL HOLODY 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DECLARED HPCI INOPERABLE AND ENTERED A 14 DAY LCO ACTION | | STATEMENT. | | | | DURING THE PERFORMANCE OF A ROUTINE TEST OF THE HPCI LUBE OIL SYSTEM, THE | | GOVERNOR CONTROL VALVE FAILED TO OPEN WHEN THE HPCI AUXILIARY OIL PUMP WAS | | STARTED. FAILURE OF THIS VALVE TO OPEN, MAKES THE HPCI SYSTEM INOPERABLE. | | THERE IS NO AFFECT ON THE INITIATION SIGNALS OR LOGIC FOR THE HPCI SYSTEM. | | HOWEVER, IF INITIATED UNDER THESE EXISTING CONDITIONS, THE SYSTEM WOULD NOT | | OPERATE. TECH SPECS REQUIRE THE HPCI SYSTEM TO BE REPAIRED AND RETURNED TO | | OPERABLE CONDITION WITHIN 14 DAYS. THEY ARE ALSO REQUIRED TO VERIFY THE | | OPERABILITY OF THE RCIC SYSTEM WHILE HPCI IS INOPERABLE. THIS REQUIREMENT | | HAS BEEN COMPLETED AND RCIC HAS BEEN VERIFIED OPERABLE. AT THIS TIME THEY | | ARE TROUBLESHOOTING THE CAUSE FOR THE GOVERNOR VALVE FAILURE. THE RI WAS | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30563 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 05/30/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 04:12 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 05/30/96 | +------------------------------------------------+EVENT TIME: 00:00[CDT]| |NRC NOTIFIED BY: GREG HALVERSON |LAST UPDATE DATE: 05/30/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |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 | 0 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE REACTOR WATER CLEANUP (RWCU) SYSTEM MAY BE INOPERABLE BECAUSE THE HEAT | | EXCHANGER (HX) TEMPERATURE INSTRUMENTS MAY BE INOPERABLE. THE RWCU HX WAS | | PLACED IN STANDBY AND THE ACCESS PLUG TO THE RWCU HX ROOM WAS REMOVED. | | REMOVING THE RWCU HX ACCESS PLUG RENDERED THE DELTA T AND AMBIENT TEMP | | INSTRUMENTS INOPERABLE BECAUSE THE ROOM WAS NO LONGER AN ENCLOSED AREA. | | PLACING THE RWCU HX IN STANDBY RATHER THAN ISOLATING IT BECAME A VIOLATION | | OF TECH SPEC 3.3.6.1 AFTER THE TWO HOUR LCO EXPIRED. THE LICENSEE INFORMED | | THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+