U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/05/96 - 06/06/96 ** EVENT NUMBERS ** 30439 30581 30582 30583 30584 30585 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30439 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 05/08/96 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 14:04 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 05/08/96 | +------------------------------------------------+EVENT TIME: 14:00[EDT]| |NRC NOTIFIED BY: DENNIS CORNAX |LAST UPDATE DATE: 06/05/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD URBAN 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - CVC SYSTEM PIPE RESTRAINT BRACKETS FOUND IN DEGRADED CONDITION - | | | | DURING A SYSTEM WALKDOWN, PIPE RESTRAINT BRACKETS ON THE CHEMICAL AND | | VOLUME CONTROL (CVC) SYSTEM WERE FOUND TO BE IN A DEGRADED CONDITION | | (MISSING U-BOLT NUTS, ETC). THIS CONDITION POTENTIALLY PLACES THE CVC | | SYSTEM OUTSIDE THE DESIGN BASIS OF THE PLANT. | | | | THESE BRACKETS ARE ASSOCIATED WITH PIPING IN THE LETDOWN PORTION OF THE | | CVC SYSTEM OUTSIDE CONTAINMENT, DOWNSTREAM OF THE CONTAINMENT ISOLATION | | VALVES AND THE LETDOWN ORIFICES, AND UPSTREAM OF THE VOLUME CONTROL TANK. | | THIS PORTION OF THE CVC SYSTEM DOES NOT PERFORM AN ACCIDENT MITIGATION | | FUNCTION, A SAFE SHUTDOWN FUNCTION, OR A REACTOR ISOLATION FUNCTION. | | | | THE EVALUATION OF THE PIPING CONNECTED TO VALVE #LCV-112A AND ITS | | ASSOCIATED BRACKETS IS EXPECTED TO DEMONSTRATE SATISFACTORY RESULTS. THE | | EVALUATION OF THE PIPING CONNECTED TO VALVE #TCV-149 AND ITS ASSOCIATED | | BRACKETS IS EXPECTED TO DEMONSTRATE MARGINAL RESULTS. | | | | A LICENSEE EVALUATION OF THE CONSEQUENCES OF A BREAK IN THIS LINE USING | | CURRENT PLANT CONDITIONS HAS DEMONSTRATED THAT A POSTULATED BREAK IN THIS | | LINE WOULD RESULT IN AN OFFSITE DOSE MUCH LESS THAN THAT EVALUATED IN THE | | UFSAR. | | | | THE LICENSEE IS EXPEDITIOUSLY TAKING CORRECTIVE ACTIONS TO RESTORE THE | | SYSTEM COMPONENTS TO NORMAL CONFIGURATION. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE ON 6/5/96 AT 1515 EDT FROM MANSELL TAKEN BY KARSCH * * * | | THE LICENSEE IS RETRACTING THIS EVENT. AN INDEPENDENT ENGINEERING ANALYSIS | | WAS PERFORMED ON THE DEGRADED VALVE SUPPORTS AND COMPONENTS IN THEIR AS | | FOUND CONDITION. THE RESULTS OF THE ANALYSIS ARE THAT THEY COULD HAVE | | PERFORMED THEIR INTENDED SAFETY FUNCTION UNDER DESIGN LOADING. THE | | LICENSEE HAS COMPLETED REPAIRS OF THE SYSTEM COMPONENTS. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. R1DO (JOHANSEN) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30581 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 06/05/96 | |UNIT: [ ] [2] [ ] STATE: TN |NOTIFICATION TIME: 03:05 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/05/96 | +------------------------------------------------+EVENT TIME: 01:37[EDT]| |NRC NOTIFIED BY: LIEB |LAST UPDATE DATE: 06/05/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | M N 0 HOT STANDBY | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A MANUAL REACTOR TRIP AND FEEDWATER ISOLATION WHILE IN MODE 3 | | DURING A SURVEILLANCE. | | | | DURING A ROD POSITION INDICATION (RPI) HOT CALIBRATION TEST, THE DELTA ROD | | S/D BANK DROPPED TO THE FULLY INSERTED POSITION FROM THE FULLY WITHDRAWN | | POSITION DUE TO AN APPARENT EQUIPMENT MALFUNCTION. THE CAUSE OF THIS | | MALFUNCTION IS BEING INVESTIGATED. PLANT PROCEDURES REQUIRED THE LICENSEE | | TO INITIATE A MANUAL REACTOR TRIP AND ENTER INTO THEIR EMERGENCY | | PROCEDURES. ALL RODS WERE FULLY INSERTED. IMMEDIATELY FOLLOWING THE REACTOR | | TRIP, A FEEDWATER ISOLATION OCCURRED DUE TO RCS AVERAGE TEMPERATURE BEING | | BELOW 550 DEGREES F. MAIN FEEDWATER, HOWEVER, WAS NOT IN SERVICE AT THIS | | TIME, BUT AUX FEEDWATER WAS IN SERVICE. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30582 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 06/05/96 | |UNIT: [1] [2] [ ] STATE: MD |NOTIFICATION TIME: 14:14 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 06/05/96 | +------------------------------------------------+EVENT TIME: 13:30[EDT]| |NRC NOTIFIED BY: JOHN DENTON |LAST UPDATE DATE: 06/05/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JENNY JOHANSEN 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE MARYLAND DEPARTMENT OF THE ENVIRONMENT THAT THEIR | | SEWAGE TREATMENT EFFLUENT EXCEEDED THEIR DISCHARGE PERMIT LIMIT FOR | | BIOLOGICAL OXYGEN DEMAND. THE EFFLUENT WAS RELEASED TO THE CHESAPEAKE BAY. | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30583 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 06/05/96 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 14:16 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 06/05/96 | +------------------------------------------------+EVENT TIME: 13:20[EDT]| |NRC NOTIFIED BY: DAIVD KLINE |LAST UPDATE DATE: 06/05/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JENNY JOHANSEN RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH |AL CHAFFEE EO | | |MCPEEK (NRR) IAT | | |WARREN (NMSS) IAT | | |HENRY BAILEY AEOD | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | ATTEMPTED INTRODUCTION OF A WEAPON INTO THE PROTECTED AREA. COMPENSATORY | | MEASURES WERE IMMEDIATELY TAKEN UPON DISCOVERY OF THE WEAPON. PERSON WAS | | PLACED UNDER ARREST AND TAKEN TO THE LOCAL POLICE DEPARTMENT. | | LICENSEE IS CONTINUING THE INVESTIGATING OF THIS EVENT. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED OF THIS EVENT BY THE LICENSEE. | | | | SEE HOO LOG BOOK FOR FURTHER DETAILS | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30584 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 06/05/96 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 14:47 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 06/05/96 | +------------------------------------------------+EVENT TIME: 14:10[EDT]| |NRC NOTIFIED BY: ANDREW WISNIEWSKI |LAST UPDATE DATE: 06/05/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JENNY JOHANSEN RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | |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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EMERGENCY DIESEL GENERATORS MAY NOT WITHSTAND A TORNADO BECAUSE THE ROOMS | | ARE NOT PROPERLY VENTED. | | | | ROOMS HOUSING THE TWO EDGs AND THEIR DAY TANKS DO NOT HAVE THE REQUIRED | | VENTING CAPABILITY TO PROTECT THESE ROOMS IN THE EVENT OF A TORNADO. UNDER | | THESE CIRCUMSTANCES, THE EDGs COULD NOT RELIABLY PERFORM THEIR SAFETY | | FUNCTION IN THE EVENT OF A TORNADO. THE IMMEDIATE CORRECTIVE ACTION WAS TO | | OPEN THE DOORS FOR ALL FOUR ROOMS. THE LONG TERM CORRECTIVE ACTION WILL BE | | TO IMPLEMENT A DESIGN CHANGE. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30585 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FARLEY REGION: 2 |NOTIFICATION DATE: 06/05/96 | |UNIT: [1] [2] [ ] STATE: AL |NOTIFICATION TIME: 15:14 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 06/05/96 | +------------------------------------------------+EVENT TIME: 13:31[CDT]| |NRC NOTIFIED BY: JIM HUNTER |LAST UPDATE DATE: 06/05/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON RDO | |AENS 50.72(b)(1)(v) ENS INOPERABLE | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | TONE ALERT RADIOS LOST DUE TO HUMAN ERROR. | | | | A WORKMAN INADVERTENTLY CUT POWER TO THE REPEATER UNITS CAUSING THEM TO | | LOSE THEIR PROGRAMMING. POWER HAS BEEN RESTORED, THE UNITS ARE BEING | | REPROGRAMMED, AND THE SYSTEM SHOULD BE BACK IN SERVICE BY 1430 CDT. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1722 CDT FROM ARENS TAKEN BY KARSCH * * * | | TONE ALERT RADIO RESTORED AT 1551 CDT. THE LICENSEE INFORMED THE NRC | | RESIDENT INSPECTOR. R2DO (FREDRICKSON) NOTIFIED. | +------------------------------------------------------------------------------+