U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/15/94 - 09/16/94 ** EVENT NUMBERS ** 27683 27781 27786 27787 27788 27789 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27683 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 08/17/94 | |UNIT: [ ] [2] [ ] STATE: GA |NOTIFICATION TIME: 04:57 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 08/17/94 | +------------------------------------------------+EVENT TIME: 01:00[CDT]| |NRC NOTIFIED BY: ED URQUHART |LAST UPDATE DATE: 09/15/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEORGE AL BELISLE RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION (HPCI) TEMPORARILY INOPERABLE. | | | | AFTER PERFORMING A HPCI SYSTEM SURVEILLANCE, A HIGH POINT VENT ON THE HPCI | | PUMP DISCHARGE PIPING WAS OPENED TO CONFIRM THAT THE SYSTEM WAS FILLED. NO | | FLOW WAS OBTAINED FROM THE VENT AND, CONSEQUENTLY, THE DISCHARGE PIPING | | COULD NOT BE CONFIRMED FULL. HPCI WAS DECLARED INOPERABLE. | | | | THE SYSTEM STATIC PRESSURE WAS INCREASED FROM 30 PSI TO 38 PSI BY | | CONNECTING A DEMINERALIZED WATER SOURCE TO THE PUMP SUCTION. AT THAT POINT, | | FLOW WAS OBTAINED FROM THE HIGH POINT VENT AND CONTINUED TO FLOW AFTER THE | | DEMIN WATER SOURCE PRESSURE BOOST WAS REMOVED. THE LICENSEE SUSPECTS THAT | | THE HPCI PUMP DISCHARGE CHECK VALVE MAY HAVE BEEN STUCK CLOSED. THE HPCI | | SYSTEM VALVE LINEUP WAS RETURNED TO NORMAL AND HPCI DECLARED OPERABLE AT | | 0545 EDT. | | | | THE LICENSEE NOTES THAT THE DISCHARGE CHECK VALVE IS INSPECTED EVERY FIVE | | YEARS AND WAS LAST INSPECTED IN APRIL OF THIS YEAR. THE VALVE HAS NO | | PREVIOUS HISTORY OF PROBLEMS. A DEFICIENCY REPORT ON THE CHECK VALVE WAS | | GENERATED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED. | | | | * * * UPDATE AT 1329 ON 09/15/94 BY BRUNSON ENTERED BY HOO JOLLIFFE * * * | | | | LICENSEE DESIRES TO RETRACT THIS EVENT SINCE THE CHECK VALVE OPENED AND | | FLOW WAS OBSERVED IN THE VENT DISCHARGE LINE AT A SYSTEM STATIC PRESSURE | | OF 38 PSIG AND THAT THE HPCI SYSTEM HAD BEEN INOPERABLE ONLY DURING | | TROUBLESHOOTING ACTIVITIES, A PREPLANNED EVOLUTION. THUS, THIS EVENT IS | | NOT REPORTABLE TO THE NRC. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | HOO NOTIFIED R2DO LAWYER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27781 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 09/13/94 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 20:55 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/13/94 | +------------------------------------------------+EVENT TIME: 18:54[EDT]| |NRC NOTIFIED BY: CLEMENTS |LAST UPDATE DATE: 09/15/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWYER 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 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR TRIP DUE TO CLOSURE OF MAIN STEAM ISOLATION VALVE. | | | | AN AUTOMATIC REACTOR/TURBINE TRIP OCCURRED ON OVERPOWER DIFFERENTIAL | | TEMPERATURE AFTER THE "C" MSIV CLOSED UNEXPECTEDLY. THE AUXILIARY | | FEEDWATER SYSTEM AUTOMATICALLY STARTED AS EXPECTED FOLLOWING THE TRIP DUE | | TO LOW STEAM GENERATOR LEVEL. A FULL MSIV ISOLATION ALSO OCCURRED | | FOLLOWING THE TRIP DUE TO LOW TAVE. ALL RODS INSERTED PROPERLY AND ALL | | OTHER SYSTEMS FUNCTIONED AS REQUIRED FOLLOWING THE TRIP. | | | | DURING RECOVERY FROM THE TRIP, THE LICENSEE EXPERIENCED SOME PROBLEMS IN | | RESETTING THE AFW SYSTEM. THE LICENSEE REPORTED THAT THE RESET BUTTON WAS | | DEPRESSED THREE TIMES BEFORE THE PROPER STANDBY INDICATION WAS OBSERVED IN | | THE CONTROL ROOM. ADDITIONALLY, LETDOWN FLOW VARIABLE ORIFICE CONTROL | | VALVE 2NV849 FAILED TO OPEN UPON RESTORATION OF LETDOWN FLOW FROM THE RCS. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE INITIAL MSIV CLOSURE, BUT | | SUSPECTS A GROUND IN A DC ELECTRICAL BUS. CONCURRENT WITH THE CLOSURE OF | | THE C MSIV, THE PLANT COMPUTER REGISTERED A NUMBER OF ELECTRICAL GROUNDS. | | THE LICENSEE SUSPECTS THAT A SOLENOID VALVE MAY HAVE DEVELOPED AN | | ELECTRICAL GROUND. THE LICENSEE PLANS TO RESTART THE UNIT FOLLOWING | | INVESTIGATION OF THE MSIV CLOSURE AND COMPLETION OF REPAIRS TO THE "B" | | COMPONENT COOLING WATER HEAT EXCHANGER (APPROXIMATELY 24-48 HOURS). THE RI | | HAS BEEN INFORMED. | | | | *** UPDATE DATE: 9/14/94 UPDATE TIME: 1617 *** FROM LICENSEE: TOWER BY | | STRANSKY *** THE LICENSEE REPORTED THAT THE GROUND ON DC BUS "EDD" WAS | | UNRELATED TO THE CLOSURE OF THE C MSIV. THE MSIV CLOSURE WAS CAUSED BY THE | | FAILURE OF AN AUXILIARY RELAY IN THE CONTROL CIRCUIT FOR THE VALVE. | | SPECIFICALLY, A SHORT CIRCUIT OCCURRED IN A NORMALLY ENERGIZED COIL IN ONE | | OF THE RELAYS. THE RELAY IS A CUTLER-HAMMER TYPE M RELAY. THE RI WAS | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27786 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 09/15/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 11:39 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 09/15/94 | +------------------------------------------------+EVENT TIME: 10:34[EDT]| |NRC NOTIFIED BY: DOUG VANBLARCOM |LAST UPDATE DATE: 09/15/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD CONTE RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR BUILDING CLOSED COOLING ISOLATION DUE TO A PROCEDURAL INADEQUACY. | | | | THE LICENSEE WAS INSTALLING A PLUG IN REFERENCE LINE PENETRATION "15-A" TO | | SUPPORT INSTALLATION OF A NEW REACTOR WATER LEVEL CONDENSING POT. A FLUSH | | OF THE LINE CAUSED A LOW,LOW,LOW LEVEL SENSOR TO ACTUATE (NO CAUTION NOTE | | IN THE PROCEDURE). THIS CAUSED AUTO-CLOSURE OF REACTOR BUILDING CLOSED | | COOLING WATER SYSTEM VALVE, "V-5-167". THE VALVE WAS REOPENED IN LESS THAN | | ONE MINUTE. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 27787 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: DEPT OF ARMY, ROCK ISLAND, IL. |NOTIFICATION DATE: 09/15/94 | | CITY: ROCK ISLAND REGION: 3 |NOTIFICATION TIME: 14:34 [ET]| | COUNTY: STATE: IL |EVENT DATE: 09/07/94 | |LICENSE#: BML 120072206 AGREEMENT: Y |EVENT TIME: 23:30[CDT]| | DOCKET: |LAST UPDATE DATE: 09/15/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BRUCE BURGESS RDO | | |JOHN LINEHAN, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: JEFF HAVENNER | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - DAMAGED COLLIMATOR RELEASED 10 CURIES OF TRITIUM GAS TO THE ATMOSPHERE - | | | | AT 2330 (CDT) ON 09/07/94, AN 8 INCH M110 HOWITZER BARREL BLEW UP AT AN | | ARMY ARTILLERY FIRING RANGE AT FORT SILL, LAWTON, OK. SHRAPNEL FROM THE | | BARREL HIT AN M1A1 COLLIMATOR (A TELESCOPE DEVICE) SEVERAL HUNDRED FEET | | AWAY RELEASING 10 CURIES OF TRITIUM GAS TO THE ATMOSPHERE. | | | | SIX INDIVIDUALS WERE INJURED; 3 ARE IN A HOSPITAL IN CRITICAL CONDITION. | | NO INDIVIDUALS WERE CONTAMINATED. TWENTY INDIVIDUALS WERE BIOASSAYED. | | ALL BIOASSAY RESULTS WERE NEGATIVE. | | | | THE DAMAGED COLLIMATOR WAS FOUND AT 1200 (CDT) ON 09/08/94. A 24 FEET X | | 24 FEET AREA WAS CORDONED OFF AND MADE INACCESSIBLE TO PEOPLE. SAMPLES | | OF SOIL AROUND THE COLLIMATOR WERE ANALYZED WITH THE FOLLOWING RESULTS: | | - UNDER THE COLLIMATOR - 738,800 DPM | | - 3 FEET FROM THE COLLIMATOR - 150,460 DPM | | - BETWEEN COLLIMATOR AND PLACE COLLIMATOR WAS HIT - 13,440 DPM | | - OTHER AREAS - 1,480 TO 3,000 DPM. | | | | LICENSEE (DEPT OF ARMY) NOTIFIED R3 JOHN MADERA AND JACK GROBE. | | | | SEE HOO LOG FOR TELEPHONE AND FAX NUMBERS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27788 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 09/15/94 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 21:44 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 09/15/94 | +------------------------------------------------+EVENT TIME: 14:45[PDT]| |NRC NOTIFIED BY: SWANK |LAST UPDATE DATE: 09/15/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM STETKA 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 +------------------------------------------------------------------------------+ | - CONTAINMENT ISOLATION VALVES COULD FAIL DUE TO A SINGLE RELAY FAILURE - | | | | DURING A DESIGN REVIEW, LICENSEE DETERMINED THAT THE CONTAINMENT ISOLATION | | LOGIC FOR THE HYDRAULIC LINES ASSOCIATED WITH THE RECIRCULATION FLOW | | CONTROL VALVES DID NOT MEET GDC 56 IN THAT A SINGLE RELAY FAILURE COULD | | RESULT IN A LINE PENETRATING CONTAINMENT NOT ISOLATING UPON DEMAND. | | | | THIS CONDITION IMPACTS 8 HYDRAULIC LINES & 16 CONTAINMENT ISOLATION VALVES. | | | | LICENSEE IMMEDIATELY NOTIFIED REGION 4 (KEN PERKINS AND BILL BEACH), | | NRR (JIM CLIFFORD AND ELINOR ADENSAM) AND THE NRC RESIDENT INSPECTOR. | | | | AT 2100 (EDT), NRR GRANTED THE LICENSEE A VERBAL NOTICE OF ENFORCEMENT | | DISCRETION TO ALLOW CONTINUED PLANT OPERATION FOR 14 DAYS WHILE AN | | EMERGENCY TECHNICAL SPECIFICATION AMENDMENT IS PROCESSED. | | | | HOO NOTE (KARSCH): PER CLARIFICATION ON 9/16/94 AT 0600 EDT FROM NRR | | (ADENSAM); THE LICENSEE'S TECH SPEC AMENDMENT WILL REQUEST A WAIVER OF | | COMPLIANCE UNTIL THEIR FIRST FORCED SHUTDOWN OR UNTIL THE SPRING '95 | | OUTAGE, WHICH EVER COMES FIRST, SO THEY DON'T HAVE TO ATTEMPT TO CORRECT | | THIS DEFICIENCY WHILE AT POWER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27789 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NORTH ANNA REGION: 2 |NOTIFICATION DATE: 09/16/94 | |UNIT: [1] [ ] [ ] STATE: VA |NOTIFICATION TIME: 02:05 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 09/15/94 | +------------------------------------------------+EVENT TIME: 22:45[EDT]| |NRC NOTIFIED BY: FRANK GLENN |LAST UPDATE DATE: 09/16/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE LAWYER RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | |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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PERSONNEL AIR LOCK OPENED DURING CORE ALTS BY A CONTRACT EMPLOYEE. | | | | DURING CONTROL ROD UNLATCH VERIFICATION TESTING THE LICENSEE DETERMINED | | THAT THE CONTAINMENT OUTER DOOR ESCAPE HATCH FOR THE PERSONNEL AIR LOCK HAD | | BEEN OPENED WITH THE INNER DOOR OPEN. THE TESTING WAS STOPPED IN | | ACCORDANCE WITH TECH SPECS FOR CONTAINMENT INTEGRITY DURING CORE | | ALTERATIONS, AND THE INCIDENT WAS INVESTIGATED. | | | | PROPER ADMINISTRATIVE CONTROLS (A BLUE TAG AND LARGE RED PLAQUE) WERE IN | | PLACE TO PREVENT DOOR OPERATION, BUT WERE VIOLATED BY A CONTRACT HEAVY | | EQUIPMENT OPERATOR. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+