U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/30/94 - 10/03/94 ** EVENT NUMBERS ** 27739 27841 27842 27843 27844 27845 27846 27847 27848 27849 27850 27851 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27739 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 09/01/94 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 14:10 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 09/01/94 | +------------------------------------------------+EVENT TIME: 14:00[EDT]| |NRC NOTIFIED BY: NELSON |LAST UPDATE DATE: 09/30/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |FRANK COSTELLO 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 N 0 HOT STANDBY | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A PARTIAL CONTAINMENT ISOLATION OCCURRED WHEN ELECTRICAL NOISE FROM A | | SWITCH TRIPPED THE STEAM GENERATOR (SG) BLOWDOWN (B/D) RADIATION MONITOR. | | | | TWO SG B/D ISOLATION VALVES CLOSED AFTER AN OPERATOR TURNED THE SG B/D | | ISOLATION SWITCH FROM THE "BYPASS" POSITION TO THE "ON" POSITION. IT IS | | BELIEVED THAT ELECTRICAL NOISE GENERATED BY THE SWITCH AND THE CONTACTS | | TRIPPED THE SG B/D RADIATION MONITOR, RESULTING IN THE PARTIAL CONTAINMENT | | ISOLATION. OPERATORS SUBSEQUENTLY RESTORED THE SG B/D SYSTEM TO ITS NORMAL | | CONFIGURATION AND RESET THE ISOLATION LOGIC. CORRECTIVE ACTIONS ARE UNDER | | INVESTIGATION. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. STATE | | AND LOCAL AGENCIES HAVE BEEN NOTIFIED. | | | | | | * * * UPDATE FROM CAVANAUGH AT 0906 ON 9/30/94 TAKEN BY WEAVER * * * | | | | THE LICENSEE HAS RETRACTED THIS EVENT. THE RETRACTION IS BASED ON GUIDANCE | | CONTAINED IN THE DRAFT ISSUE OF NUREG 1022. THIS EVENT WAS A COMPONENT | | LEVEL ACTUATION VICE A SYSTEM LEVEL ACTUATION. THE COMPONENTS INVOLVED | | (BLOWDOWN ISOLATION VALVES) AREN'T REQUIRED TO MITIGATE THE CONSEQUENCES OF | | A SIGNIFICANT EVENT, AND THE ACTUATION RESULTED FROM AN INVALID SIGNAL. A | | PLANNED MOVE OF A DEMINERALIZER FILTER NEAR THE DETECTOR IN QUESTION CAUSED | | IT TO TRIP. THE ISOLATION OCCURRED BECAUSE THE SIGNAL WAS NOT RESET PRIOR | | TO TAKING THE ISOLATION SWITCH FROM THE BYPASS TO THE ON POSITION. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE | | RDO (DURR). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27841 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 09/30/94 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 10:10 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 09/30/94 | +------------------------------------------------+EVENT TIME: 07:27[CDT]| |NRC NOTIFIED BY: BARNES |LAST UPDATE DATE: 09/30/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 +------------------------------------------------------------------------------+ | - UNINTENTIONAL EDG START DUE TO SHORTING OF RELAY WIRES - | | | | WHILE ELECTRICIANS WERE CHANGING OUT ELECTRICAL RELAY #1R43-AIX; WIRES | | ON CONTACTS #8 & #10 WERE ACCIDENTLY SHORTED TOGETHER CAUSING THE POWER | | SUPPLY TO 4160 VAC BUS 1E TO SWAP FROM NORMAL TO ALTERNATE SUPPLY AND | | 1 OF 3 EDGs (#1R43-5001A) TO AUTOSTART. | | | | LICENSEE RESET ALL SYSTEMS TO NORMAL WITHIN 30 MINUTES. | | | | LICENSEE IS INVESTIGATING THE CAUSE. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27842 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ROBINSON REGION: 2 |NOTIFICATION DATE: 09/30/94 | |UNIT: [2] [ ] [ ] STATE: SC |NOTIFICATION TIME: 13:37 [ET]| |RX TYPE: [2] W-3-LP |EVENT DATE: 09/30/94 | +------------------------------------------------+EVENT TIME: 10:10[EDT]| |NRC NOTIFIED BY: CROOK |LAST UPDATE DATE: 09/30/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 SOUTH CAROLINA DEPARTMENT OF HEALTH AND | | ENVIRONMENTAL CONTROL DUE TO THE RELEASE OF UNTREATED SEWAGE. | | | | THE LICENSEE DISCOVERED THAT SEWAGE WAS FLOWING FROM A SEWER MANWAY INTO | | THE SITE STORM DRAIN SYSTEM. THE STORM DRAIN SYSTEM FLOWS INTO A SETTLING | | POND WHICH DISCHARGES TO AN OFFSITE CREEK. BECAUSE THE DISCHARGE BYPASSED | | THE SITE SEWAGE TREATMENT SYSTEM, A NOTIFICATION TO THE STATE WAS MADE. THE | | RELEASE, ESTIMATED AT 250 GAL, WAS TERMINATED AT 10:35 AND IS CONSIDERED TO | | BE MINOR WITH NO ADVERSE AFFECT ON PROTECTION OF THE ENVIRONMENT. THE CAUSE | | WAS DUE TO A FAILURE OF A FUSE IN THE SEWAGE TREATMENT SYSTEM LIFT PUMP. | | THE FUSE WAS REPLACED AND THE SYSTEM WAS RETURNED TO SERVICE AT APPROX. | | 13:00. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 27843 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: U.S. ARMY |NOTIFICATION DATE: 09/30/94 | | CITY: ROCK ISLAND REGION: 3 |NOTIFICATION TIME: 14:12 [ET]| | COUNTY: STATE: IL |EVENT DATE: 08/22/94 | |LICENSE#: 12-00722-06 AGREEMENT: Y |EVENT TIME: 00:00[CDT]| | DOCKET: |LAST UPDATE DATE: 09/30/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |WAYNE SHAFER RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: PETERSON | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | |IBAC 30.50(b)(1)(i) ACCESS DENIED >24 HRS | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE CLOSED THE OPTICAL SHOP AT THE JEFFERSON CITY MO. ARMY | | NATIONAL GUARD FOR MORE THAN 24 HRS DUE TO THE BREAKAGE OF APPROX 4 GLASS | | VIALS CONTAINING TRITIUM. | | | | THIS OCCURRED WHILE AN INDIVIDUAL WAS ATTEMPTING TO DISASSEMBLE A PANORAMIC | | TELESCOPE "M137" WHICH CONTAINS 10 DIFFERENT SOURCES TOTALING 5.1 CURIES. | | AS HE WAS REMOVING AN ASSEMBLY FROM THE HOUSING HE INADVERTENTLY DISLODGED | | SOME OF THE SOURCES FROM THEIR PROPER LOCATION. WHEN HE STARTED TO REPLACE | | THE ASSEMBLY INTO THE HOUSING HE HEARD THE GLASS VIALS, WHICH CONTAIN THE | | SOURCES, BREAK. AFTER BREAKING THE VIALS(3 OR 4 SOURCES TOTALING APPROX 2.4 | | CURIES) HE NOTIFIED PERSONNEL, THE ITEMS WERE BAGGED AND THE OPTICAL SHOP | | WAS SHUT DUE TO THE 250,000DPM LEVEL MEASURED AT THE FLOOR. THEY HAD | | TRAINED PERSONNEL TO CLEAN UP THE CONTAMINATED AREA WHICH WAS COMPLETED BY | | 8/30/94. THE BIOASSAY OF THE INDIVIDUAL WHO WAS WORKING WITH THE TELESCOPE | | MEASURED AN ESTIMATED INTAKE OF 74 MICROCURIES AND HIS DOSE WAS DETERMINED | | TO BE 5 MREM. THEY ARE INVESTIGATING THE CAUSE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27844 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 09/30/94 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 14:52 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 09/30/94 | +------------------------------------------------+EVENT TIME: 14:10[EDT]| |NRC NOTIFIED BY: EMBORSKY |LAST UPDATE DATE: 09/30/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 STATE AND LOCAL AGENCIES VIA RADIO PAGER THAT | | THEY ARE GOING TO COMMENCE S/D AT MIDNIGHT TO GO INTO THEIR PLANNED | | REFUELING OUTAGE. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 27845 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: USAF/WRIGHT PATTERSON |NOTIFICATION DATE: 09/30/94 | | CITY: FAIRBORN REGION: 3 |NOTIFICATION TIME: 15:27 [ET]| | COUNTY: GREENE STATE: OH |EVENT DATE: 09/27/94 | |LICENSE#: AGREEMENT: N |EVENT TIME: 11:30[EDT]| | DOCKET: |LAST UPDATE DATE: 09/30/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |WAYNE SHAFER RDO | | |CHARLEY HAUGHNEY EO | +------------------------------------------------+THOMAS WESTERMAN RDO | |NRC NOTIFIED BY: MANGONI(NRC) | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | WRIGHT PATTERSON AFB REPORTED TO THE NATIONAL RESPONSE CENTER THAT | | RADIOACTIVE MATERIAL DELIVERED TO A HOSPITAL WAS FOUND TO HAVE BEEN | | CONTAMINATED BY ANOTHER RADIOACTIVE MATERIAL. | | | | THERE WAS A SHIPMENT OF TECHNETIUM 99 DELIVERED TO A HOSPITAL THAT HAD BEEN | | CONTAMINATED BY ANOTHER RADIOACTIVE MATERIAL. THE SOURCE OF CONTAMINATION | | IS UNKNOWN AND THERE HAVE BEEN NO ISOLATED RELEASES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27846 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BIG ROCK POINT REGION: 3 |NOTIFICATION DATE: 10/01/94 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 00:09 [ET]| |RX TYPE: [1] GE-1 |EVENT DATE: 09/30/94 | +------------------------------------------------+EVENT TIME: 21:46[EDT]| |NRC NOTIFIED BY: ALEXANDER |LAST UPDATE DATE: 10/01/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |SHAFER RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | M/R Y 63 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR SCRAM DUE TO PROBLEMS WITH TURBINE STEAM ADMISSION VALVES | | | | WHILE COMMENCING A REACTOR SHUTDOWN TO BEGIN A SCHEDULED REFUELING OUTAGE, | | THE LICENSEE WAS PREPARING TO PERFORM TURBINE AND STEAM JET AIR EJECTOR | | TESTING WHEN PROBLEMS WITH TURBINE GENERATOR PRESSURE CONTROL WERE | | OBSERVED. THE LICENSEE HAD NOTED SOME PROBLEMS WITH THE PRESSURE CONTROL | | SYSTEM EARLIER IN THE WEEK, AND HAD DISCONNECTED THE INITIAL PRESSURE | | REGULATOR FROM THE TURBINE SYNCH GOVERNOR ON WEDNESDAY. THE LICENSEE | | STATED THAT THE TURBINE CONTROL SYSTEM WAS NOT RESPONDING PROPERLY TO THE | | REACTOR POWER REDUCTION (IT WAS NOT MAINTAINING A STEADY PRESSURE), AND A | | DECISION WAS MADE TO MANUALLY SCRAM THE REACTOR TO AVOID ANY SIGNIFICANT | | REACTOR/TURBINE TRANSIENTS. ALL RODS FULLY INSERTED, AND ALL SYSTEMS | | FUNCTIONED AS EXPECTED FOLLOWING THE SCRAM. THE UNIT IS STABLE IN HOT | | SHUTDOWN, AND THE LICENSEE IS CONTINUING INTO THE REFUELING OUTAGE. | | | | THE CAUSE OF THE TURBINE CONTROL PROBLEMS APPEARS TO BE THAT THE STEAM | | ADMISSION VALVES ARE NOT PROPERLY RESPONDING TO THEIR CONTROL SIGNALS. THE | | LICENSEE REPORTED THAT AFTER THE SCRAM, THE ADMISSION VALVES APPEARED TO BE | | SLUGGISH IN CLOSING. THE RI HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 27847 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: |NOTIFICATION DATE: 10/01/94 | | CITY: ROLLA REGION: 3 |NOTIFICATION TIME: 17:14 [ET]| | COUNTY: PHELPS STATE: MO |EVENT DATE: 10/01/94 | |LICENSE#: AGREEMENT: N |EVENT TIME: 13:55[CDT]| | DOCKET: |LAST UPDATE DATE: 10/01/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |WAYNE SHAFER RDO | | |CHARLEY HAUGHNEY EO | +------------------------------------------------+ | |NRC NOTIFIED BY: COLEMAN | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NTRA TRANSPORTATION EVENT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | | | TRANSPORTATION EVENT | | | | CALL BACK NUMBER:( IN WRITTEN LOG IF INDIVIDUAL ) 314-368-2345 | | | | CALLER'S ORGANIZATION: MISSOURI STATE POLICE | | | | TRANSPORTATION MODE ( HIGHWAY, AIR, WATER, RAIL ): HIGHWAY | | | | EXACT LOCATION OF EVENT ( STATE, COUNTY, CITY OR DISTANCE FROM CITY, | | HIGHWAY, STREET, OR LAND MARK ): MISSOURI, PHELPS, ROLLA, WESTBOUND I-44 | | | | | | | | NAME OF CARRIER: UNKNOWN | | | | -SHIPPING PAPERS AVAILABLE: UNK | | | | -NAME OF SHIPPER(FROM SHIPPING PAPERS): FERNALD | | | | -ADDRESS OF SHIPPER(FROM SHIPPING PAPERS): UNK | | | | -NAME OF CONSIGNEE(FROM SHIPPING PAPERS): REYNOLDS ELECTRIC & | | ENGINEERING | | | | -ADDRESS OF CONSIGNEE(FROM SHIPPING PAPERS): NEVADA | | | | -VEHICLE NUMBER: UNK | | -VEHICLE PLACARDED(Y/N): UNK | | | | MATERIAL INVOLVED: URANIUM | | | | -TYPE OF PACKAGES(CARDBOARD, METAL, DRUM, CASK, ETC): UNK | | | | -NUMBER OF PACKAGES: UNK | | | | -PACKAGE LABEL(E.G., RADIOACTIVE - WHITE I, YELLOW II or III, LSA): UNK | | | | -DOT PACKAGE SPECIFICATION MARKING(E.G., "DOT-7A TYPE A": FIBERBOARD BOX): | | UNK | | | | -OTHER PACKAGE MARKINGS: UNK | | | | -MATERIAL ID NUMBER(FROM SHIPPING PAPERS)(E.G., UN XXXX): UNK | | | | -CONDITION OF PACKAGES(DAMAGED, LEAKING, ETC): UNK | | | | -RADIATION SURVEY INFORMATION: NO REPORT OF RELEASE | | (PERFORMED BY, READINGS, INSTRUMENT, LOCATION): | | | | MEDIA COVERAGE(Y/N): UNK | | | | AGENCIES NOTIFIED(E.G., DOT, DOE, STATE, LOCAL): | | NOTE: HOO is to notify State Programs if the state is an agreement | | state. Also notify NMSS EO, EPA, DOT, DOE, FEMA. | | | | AGENCIES ON SCENE: FIRE DEPARTMENT ON SCENE HAZMAT TEAM EN ROUTE | | | | INJURIES: NO INJURIES REPORTED | | | | CURRENT STATUS: | | | | THE INCIDENT INVOLVED A TRACTOR TRAILER CARRYING 46,000LBS OF URANIUM IN A | | ONE VEHICLE ACCIDENT. THERE WAS NO FIRE OR RELEASE OF MATERIAL. DOT | | (NATIONAL RESPONSE CENTER) NOTIFIED NRC, DOE, & FEMA. | | | | ***UPDATE FROM DOE AT 20:50 ON 10/2/94 TO GOULD*** THE TRACTOR AND TRAILER | | ARE AT A LOCAL WRECKING YARD AND WERE SURVEYED BY DOE WHO VERIFIED THAT | | THERE WAS NO BREACH OR CONTAMINATION. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27848 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 10/01/94 | |UNIT: [ ] [2] [ ] STATE: NJ |NOTIFICATION TIME: 20:57 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 10/01/94 | +------------------------------------------------+EVENT TIME: 18:27[EDT]| |NRC NOTIFIED BY: GWIRTZ |LAST UPDATE DATE: 10/01/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 40 POWER OPERATION | 40 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A CONTAINMENT VENTILATION ISOLATION DUE TO THE "2R11A" | | CONTAINMENT PARTICULATE RAD MONITOR GOING TO ALARM. | | | | THIS OCCURRED WHEN THE THE RAD MONITOR REACHED ITS SETPOINT OF 4.3E4 CPM. | | NO CONTAINMENT DAMPER ACTUATION OCCURRED SINCE THE DAMPERS WERE ALREADY | | CLOSED. THE OTHER RAD MONITORS WERE READING NORMAL AND ALL AIR SAMPLES | | TAKEN SHOWED NO ABNORMAL TRENDS. A CONTAINMENT ENTRY WAS MADE AND THERE | | WERE NO VISIBLE SIGNS OF RCS LEAKAGE. A RCS LEAK RATE WAS PERFORMED AND THE | | L/R HAD INCREASED FROM 0.2 GPM TO 0.8 GPM BUT IT WAS STILL WITHIN TS LIMITS | | OF 1 GPM. THEY SUSPECT THAT THE INCREASED L/R WAS DUE TO RCS DILUTION DUE | | TO XENON. THEY PLAN TO MONITOR RAD MONITOR "2R11A" AND SAMPLE RCS FOR | | IODINE AND CONTINUE TO PERFORM RCS LEAK RATE TEST AT XENON EQUILIBRIUM TO | | GET A MORE ACCURATE L/R. THEY HAD JUST INCREASED IN POWER AND GOT AN IODINE | | SPIKE. WITH THIS SMALL LEAKAGE, INCREASES IN IODINE, XENON AND RHODIUM | | OCCURRED. THEY BELIEVE THAT THE RAD MONITOR IS VERY SENSITIVE AND ALARMED | | WHEN IT PICKED UP THE RHODIUM. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27849 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 10/02/94 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 15:08 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 10/02/94 | +------------------------------------------------+EVENT TIME: 12:40[CDT]| |NRC NOTIFIED BY: MORROW |LAST UPDATE DATE: 10/02/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED A CONDITION DURING A LOCAL LEAK RATE TEST WHERE ONE | | OF THE CONTAINMENT PENETRATIONS DID NOT PASS THE TEST. | | | | THE PLANT HAS ENTERED A REFUELING OUTAGE AND THEY HAD PERFORMED A LOCAL | | LEAK RATE TEST ON THE PRIMARY CONTAINMENT VENTILATION PENETRATIONS. THEY | | DISCOVERED THAT ONE OF THE PENETRATIONS(THE DRYWELL & SUPPRESSION CHAMBER | | AIR & NITROGEN PURGE LINE) HAD A LEAK RATE OF 2,009.2 SCFH(TOTAL ALLOWABLE | | FOR ALL PENETRATIONS IS 655.9 SCFH). THIS PENETRATION HAS 4 (2 INNER & 2 | | OUTER) 20" VALVES/DAMPERS, BUT AT THIS TIME THEY ARE UNABLE TO IDENTIFY | | WHICH ONE IS THE PROBLEM. ASSUMING A SIGNAL FAILURE OF A DAMPER TO ISOLATE | | WHEN REQUIRED, WORST CASE LEAKAGE THROUGH THIS PATH WOULD BE THE 200.9 | | SCFH. THEY ARE INVESTIGATING THE PROBLEM AND WILL REPAIR AS SOON AS THEY | | DETERMINE THE VALVE(S) THAT FAILED. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27850 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 10/02/94 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 22:16 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 10/02/94 | +------------------------------------------------+EVENT TIME: 20:00[CDT]| |NRC NOTIFIED BY: ROGERS |LAST UPDATE DATE: 10/02/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | "D" MAIN STEAM LINE ISOLATION VALVES FAILED THEIR LOCAL LEAK RATE TEST. | | | | THE LICENSEE WAS PERFORMING A LLRT AND DETERMINED THAT THE "D" MAIN STEAM | | LINE ISOLATION VALVES EXCEEDED THEIR TS LIMIT OF 11.5 SCFH. THE ACTUAL | | LEAKAGE RATE FOUND WAS 60.5745 SCFH. MAINTENANCE ON THE VALVES WILL BE | | INITIATED AND THEY WILL BE RETESTED. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27851 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 10/02/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 22:51 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 10/02/94 | +------------------------------------------------+EVENT TIME: 20:36[EDT]| |NRC NOTIFIED BY: KRUEGER |LAST UPDATE DATE: 10/02/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A REACTOR SCRAM DUE TO A TURBINE TRIP. | | | | CAUSE OF THE TURBINE TRIP IS UNKNOWN AND IS BEING INVESTIGATED. THE TURBINE | | TRIP RESULTED IN AN INCREASE IN THE REACTOR PRESSURE VESSEL PRESSURE AND | | THAT ACTUATED THE REDUNDANT REACTIVITY CONTROL SYSTEM AND THE LOW-LOW SET | | SAFETY RELIEF VALVE LOGIC. THIS CAUSED BOTH REACTOR RECIRC PUMPS TO TRIP | | AND ALSO BOTH LOW-LOW SET SAFETY RELIEF VALVES TO LIFT. IN ADDITION TO | | THOSE 2 VALVES, A THIRD SAFETY RELIEF VALVE AUTOMATICALLY LIFTED TO CONTROL | | PRESSURE, WHICH WAS IN EXCESS OF 1071 PSIG. ALL RODS FULLY INSERTED AND ALL | | OTHER SYSTEMS PROPERLY RESPONDED WITH THE EXCEPTION OF THE RWCU SYSTEM. | | THIS SYSTEM ISOLATED WITH THE CLOSURE OF THE INBOARD CONTAINMENT ISOLATION | | VALVE (CAUSE IS ALSO BEING INVESTIGATED). NO ECCS ACTUATIONS OCCURRED AND | | ALL THREE SAFETY RELIEF VALVES FULLY RESEATED. THE HEAT SINK IS THE MAIN | | CONDENSER. THE RI WILL BE NOTIFIED. LOCAL POLICE HAVE BEEN NOTIFIED. | +------------------------------------------------------------------------------+