U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/10/96 - 05/13/96 ** EVENT NUMBERS ** 30275 30338 30449 30450 30451 30452 30453 30454 30455 30456 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30275 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 04/11/96 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 13:28 [ET]| |RX TYPE: [3] CE |EVENT DATE: 04/11/96 | +------------------------------------------------+EVENT TIME: 11:45[CDT]| |NRC NOTIFIED BY: LITOLFF |LAST UPDATE DATE: 05/10/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |VANDENBURGH 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUXILIARY COMPONENT COOLING WATER SYSTEM MAY NOT HAVE BEEN ABLE TO | | ADEQUATELY PERFORM SAFETY FUNCTION | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "ON 4/11/96, A FLOW BALANCE TEST WAS PERFORMED ON WATERFORD 3 AUXILIARY | | COMPONENT COOLING WATER (ACCW) SYSTEM TRAIN 'B' DUE TO THE DISCOVERY THAT | | VALVES WERE POSITIONED DIFFERENTLY THAN DURING STARTUP TESTING. THE | | PURPOSE OF THE TEST WAS TO VERIFY THE SYSTEM COULD PERFORM ITS REQUIRED | | DESIGN FUNCTION TO PROVIDE 850 GPM TO THE ESSENTIAL CHILLERS WHILE | | MAINTAINING 5000 GPM FLOW THROUGH THE SHELL SIDE OF THE COMPONENT COOLING | | WATER (CCW) SYSTEM HEAT EXCHANGER. ACCW IS REQUIRED TO SUPPLY WATER TO THE | | ESSENTIAL CHILLERS POST-LOCA WHEN THE PRIMARY COOLING WATER SYSTEM (CCW) | | TEMPERATURE REACHES 105ųF. | | | | THE TESTING PERFORMED WAS UNABLE TO DEMONSTRATE THAT ACCW TRAIN 'B' COULD | | PERFORM ITS DESIGN SAFETY FUNCTION. APPROXIMATELY 740 GPM WAS ACHIEVED TO | | THE ESSENTIAL CHILLER WITH A CORRESPONDING ACCW FLOW OF AT LEAST 5000 GPM. | | THE CAUSE OF THIS CONDITION AND PERIOD OF TIME IT HAS EXISTED IS UNKNOWN AT | | THIS TIME. ACCW TRAIN 'B' IS CURRENTLY OPERABLE BASED ON PRESENT AMBIENT | | CONDITIONS AND AMBIENT CONDITIONS EXPECTED FOR THE NEAR FUTURE (BASED ON | | HISTORICAL DATA). TESTING OF ACCW TRAIN 'A' IS CURRENTLY BEING PREPARED." | | | | THE LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR OF THIS EVENT. | | | | * * * UPDATE AT 1552 EDT ON 5/10/96 FROM LITOLFF TAKEN BY KARSCH * * * | | THE LICENSEE IS RETRACTING THIS EVENT. FURTHER ENGINEERING REVIEW | | DETERMINED THAT ACCW TRAIN 'B' WAS ONLY INCAPABLE OF PROVIDING DESIGN FLOW | | RATES FOR BRIEF PERIODS IN 1993. THESE PERIODS OF DEGRADED FLOW WERE WELL | | WITHIN THE ALLOWED 72 HOUR TIME LIMITS OF TECH SPEC 3.7.12 AND 3.7.3. THE | | REDUCTION IN CAPABILITY WAS DUE TO ELEVATED AMBIENT TEMPERATURES COMBINED | | WITH SIGNIFICANT BIOLOGICAL FOULING OF THE CCW HEAT EXCHANGER WHICH EXISTED | | AT THAT TIME. R4DO (SANBORN) NOTIFIED. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30338 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 04/22/96 | |UNIT: [1] [ ] [ ] STATE: FL |NOTIFICATION TIME: 21:47 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 04/22/96 | +------------------------------------------------+EVENT TIME: 21:25[EDT]| |NRC NOTIFIED BY: FIELDS |LAST UPDATE DATE: 05/10/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CASTO 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE BORED HOLES THROUGH FIRE BARRIER WITHOUT POSTING CONTINUOUS FIRE | | WATCH. | | | | DURING PERFORMANCE OF A PLANT MODIFICATION, THE LICENSEE DETERMINED THAT | | TWO HOLES HAD BEEN BORED THROUGH THE REACTOR AUXILIARY BUILDING WALL (A | | FIRE BARRIER ASSUMED IN THE FSAR) IN AN AREA WITHOUT CONTINUOUS FIRE | | DETECTION. ALTHOUGH THE LICENSEE HAS A ROVING FIRE WATCH THROUGH THE AREA, | | THE LICENSEE HAS DETERMINED THAT THIS IS INSUFFICIENT AND THAT THIS | | CONDITION PLACES THE UNIT OUTSIDE OF ITS DESIGN BASIS. THE LICENSEE HAS | | POSTED A CONTINUOUS FIRE WATCH IN THE AREA. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | | | | * * * UPDATE AT 1207 EDT ON 5/10/96 FROM LYONS TAKEN BY KARSCH * * * | | THE LICENSEE IS RETRACTING THIS EVENT. UPON FURTHER ENGINEERING REVIEW | | THEY DETERMINED THAT THE WALL IN QUESTION IS NOT A FIRE BARRIER. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. R2DO (CRLENJAK) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30449 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 05/10/96 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 00:19 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 05/09/96 | +------------------------------------------------+EVENT TIME: 21:27[CDT]| |NRC NOTIFIED BY: HITZEL |LAST UPDATE DATE: 05/10/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DURING A SCHEDULED SURVEILLANCE TEST THE OF REACTOR CORE ISOLATION COOLING | | SYSTEM, A GROUP V (RCIC SYSTEM) ISOLATION SIGNAL WAS RECEIVED. | | | | DURING PERFORMANCE OF A SCHEDULED SURVEILLANCE [PSP6.2, RCIC STEAM LINE | | SPACE TEMPERATURE SWITCH FUNCTIONAL (DIVISION 2)], RCIC-MO-15 (RCIC INBOARD | | STEAM ISOLATION VALVE) WAS CLOSED DUE TO A SIGNAL THAT WAS GENERATED FROM | | AN INADVERTENT OPERATION OF RCIC-REL-(13A-K31). THIS RELAY CAUSED A | | CHANNEL "B" GROUP V ISOLATION, WHICH PROVIDED A SIGNAL TO CLOSE RCIC-MO-15. | | THE INADVERTENT OPERATION WAS DUE TO REPLACEMENT OF THE RELAY COVER AFTER | | MONITORING THE OPERATION OF THE RELAY DURING THE SURVEILLANCE. THE CHANNEL | | "B" ISOLATION SIGNAL WAS RESET AND RCIC-MO-15 WAS RE-OPENED WITHIN | | APPROXIMATELY 2-1/2 MINUTES. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30450 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 05/10/96 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 04:09 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 05/10/96 | +------------------------------------------------+EVENT TIME: 02:32[CDT]| |NRC NOTIFIED BY: B WILLIAMS |LAST UPDATE DATE: 05/11/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: ALERT +-----------------------------+ |10 CFR SECTION: |JIM CREED RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |BRIAN SHERON, NRR EO | |ANEA 50.72(b)(1)(iii) NATURAL PHENOMENON |AUSTIN FEMA | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP |RICH BARRETT, ERB AEOD | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION |BILL BEACH REG3 | | |BILL AXELSON REG3 | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | ALERT DECLARED DUE TO POTENTIAL DAMAGE TO PLANT BY TORNADO. | | | | THE LICENSEE BELIEVES THAT THE PLANT WAS STRUCK BY A TORNADO. THE LICENSEE | | SAID THAT 80% OF THE EAST SIDE OUTSIDE REFUEL FLOOR PANELS WERE DAMAGED AND | | THAT THE STATION NITROGEN TANK WAS DAMAGED. AT THE PRESENT TIME, THE | | LICENSEE DOES KNOW OF ANYBODY BEING INJURED BY THE TORNADO. OFFSITE POWER | | SUPPLIES AND ONSITE EMERGENCY POWER SUPPLIES (EDGs) ARE FULLY OPERABLE. | | UNIT 2 IS SHUTTING DOWN AT THE PRESENT TIME, AND ALL THE EMERGENCY CORE | | COOLING SYSTEMS ARE FULLY OPERABLE IF NEEDED. UNIT 2 SHOULD BE SHUTDOWN BY | | 0900 CDT. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS OF THIS EVENT. THE NRC | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT AND IS AT THE | | SITE. | | | | THE FOLLOWING INDIVIDUALS HAVE BEEN NOTIFIED BY THE NRC OPERATIONS CENTER: | | BRENT CLAYTON (REG 3), FRANK CONGEL (AEOD), DR. ROSS (AEOD), JOE HIMES | | (RCT), BILL BEECHER (PAO), DOE (KEVIN MOORE), EPA (MRS MOORE), USDA | | (BICKERTON), AND HHS (JIM RABB). | | | | * * * 0915 MAY 10, 1996, UPDATE BY TROCINE * * * | | | | THE NRC ENTERED THE MONITORING PHASE OF THE NORMAL MODE AT 0620 EDT ON MAY | | 10, 1996. | | | | AT 0745 EDT, REGION 3 (LICKUS) NOTIFIED THE NRC OPERATIONS CENTER THAT | | REGION 3 HAD COMPLETED ITS NOTIFICATIONS TO THE APPROPRIATE STATE AND | | REGIONAL FEDERAL AGENCIES. | | | | A COMMISSIONER'S ASSISTANT'S BRIEFING WAS ALSO CONDUCTED AT 0900 ON MAY 10, | | 1996. THE FOLLOWING NOTIFICATIONS WERE MADE (*INDICATES OFFICE DID NOT | | PARTICIPATE): AEOD (CONGEL), ERB (BARRETT AND HASSELBERG), RAB (LANIK), | | CHAIRMAN JACKSON (HOLIAN), COMMISSIONER DICUS (MARKLEY), COMMISSIONER | | ROGERS (KARMAN AND SORENSEN), EDO (MCCREE), EDO REGION (MCCABE), EO | | (GOODWIN AND DENNIG), R3DO (CREED), PAO (BEECHER), CAO (KEELING), SECY | | (HART), STATE PROGRAMS (DROGGITIS), INTERNATIONAL PROGRAMS (*HAUBER), | | REGION 3 BRIEFER (CLAYTON), REGION 3 (BEACH AND PLOSKI), NRR (CAPRA AND | | PULSIFER), NRC RESIDENT INSPECTOR (MILLER) | | | | THE NRC EXITED THE MONITORING PHASE OF THE NORMAL MODE AT 0915 EDT ON MAY | | 10, 1996. | | | | * * * 1052 MAY 10, 1996, UPDATE FROM KUBEL RECEIVED BY TROCINE * * * | | | | AT APPROXIMATELY 0830 CDT, FULTON TECHNOLOGIES IDENTIFIED THAT AC POWER WAS | | LOST TO 19 EMERGENCY SIRENS IN VARIOUS COUNTIES IN THE AREA SURROUNDING THE | | SITE (5 IN WHITESIDE COUNTY, 4 IN SCOTT COUNTY, AND 10 IN ROCK ISLAND | | COUNTY) DUE TO THE TORNADO. POWER TRANSFERRED TO THE DC BACKUP SUPPLY, BUT | | IT IS FADING. FULTON TECHNOLOGIES NOTIFIED THE LICENSEE EMERGENCY OFFSITE | | FACILITY OF THIS OCCURRENCE AT APPROXIMATELY 0845 CDT. THIS REPRESENTS A | | LOSS OF GREATER THAN 25% OF THE PUBLIC PROMPT NOTIFICATION SYSTEM FOR | | GREATER THAN 1 HOUR. THE LICENSEE IS IN THE PROCESS OF TRYING TO RESTORE | | POWER TO THE SIRENS. | | | | IN ADDITION, THERE WAS A SPILL OF GREATER THAN 15 GALLONS OF OIL IN THE OIL | | STORAGE BUILDING. AS A RESULT, THE LICENSEE NOTIFIED THE NATIONAL RESPONSE | | CENTER AND THE ILLINOIS EMERGENCY MANAGEMENT AGENCY. | | | | THE LICENSEE PLANS TO TERMINATE THE ALERT WHEN THE UNIT IS SUBCRITICAL. THE | | UNIT IS CURRENTLY AT LESS THAN 50% REACTOR POWER, AND LOAD IS BEING | | DECREASED AT A RATE OF 150 MWe PER HOUR. THE LICENSEE EXPECTS THE UNIT TO | | BE SUBCRITICAL BETWEEN APPROXIMATELY 1400 AND 1500 CDT TODAY. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | CENTER NOTIFIED THE R3DO (CREED), AEOD ERB (BARRETT), AND NRR EO (GOODWIN). | | | | * * * UPDATE AT 1448 EDT ON 5/11/96 FROM KNAPP TAKEN BY KARSCH * * * | | | | THE LICENSEE TERMINATED THE ALERT AT 1306 CDT. BOTH UNITS ARE NOW IN COLD | | SHUT DOWN. THE LOOSE SIDING HAS BEEN SECURED. ALL BUT TWO OF THE | | EMERGENCY NOTIFICATION SIRENS HAVE BEEN RESTORED TO OPERABILITY. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR, STATE, AND LOCAL GOVERNMENT | | AGENCIES. R3DO (CREED), AEOD (BAILEY & CONGEL), NRR EO (SHERON), FEMA | | (RISHE), DOE (WALSH), EPA (VOICE MAIL), USDA (BICKERTON), AND HHS (NASH) | | NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 30451 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SIKORSKY AIRCRAFT |NOTIFICATION DATE: 05/10/96 | | CITY: STRATFORD REGION: 1 |NOTIFICATION TIME: 10:45 [ET]| | COUNTY: STATE: CT |EVENT DATE: 05/09/96 | |LICENSE#: 06-02269-03 AGREEMENT: N |EVENT TIME: 11:08[EDT]| | DOCKET: |LAST UPDATE DATE: 05/10/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |RICHARD URBAN RDO | | |FRED COMBS, NMSS EO | +------------------------------------------------+JIM MUSE FEMA | |NRC NOTIFIED BY: STEVEN MAYO |CHECKAN DOT | |HQ OPS OFFICER: LEIGH TROCINE |STEVE HORTON FAA | +------------------------------------------------+RICH BARRETT, ERB AEOD | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |IBDA 30.50(b)(4)(i) FIRE/EXP INVOLV LNM | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNRECOVERED 500 ęCi STRONTIUM-90 SOURCE FOLLOWING A HELICOPTER CRASH IN | | STRATFORD, CONNECTICUT (REFER TO HOO LOG FOR CONTACT TELEPHONE NUMBERS.) | | | | DURING THE PERFORMANCE OF ROUTINE HOVER CHECK OUT TESTING ON MAY 9, 1996, A | | MARINE CORP H53E AIRCRAFT HELICOPTER (STILL OWNED BY SIKORSKY AIRCRAFT) | | CRASHED FROM A HEIGHT OF APPROXIMATELY 150 FEET ONTO THE SIKORSKY AIRCRAFT | | FLIGHT FIELD LOCATED IN STRATFORD, CONNECTICUT. FOUR SIKORSKY AIRCRAFT | | EMPLOYEES WERE KILLED IN YESTERDAY'S CRASH. | | | | THE HELICOPTER CONTAINED SEVEN IN-FLIGHT BLADE INSPECTION SYSTEM (INBIS) | | INDICATORS AS PART OF THE AIRCRAFT, AND SIX OF THE SEVEN HAVE BEEN | | RECOVERED. EACH OF THESE DEVICES CONTAINED A LICENSED SOURCE WITH 500 ęCi | | OF Sr-90. THE HELICOPTER ALSO HAD AN ICE DETECTOR PROBE THAT CONTAINED A | | NON-LICENSED, 50 ęCi, Sr-90 SOURCE AS PART OF THE AIRCRAFT. THIS SOURCE HAS | | ALSO BEEN RECOVERED. | | | | ALL OF THE DEBRIS IS CONTAINED ON SIKORSKY AIRCRAFT PROPERTY, AND THE | | MISSING INBIS SOURCE IS BELIEVED TO BE AT THE CRASH SITE. THE LICENSEE HAS | | SECURED THE AREA, AND AN INVESTIGATION BY THE LICENSEE AND THE NAVY IS | | UNDERWAY. RECOVERY AND INVESTIGATION PERSONNEL HAVE BEEN BRIEFED ABOUT THE | | MISSING SOURCE. THE LICENSEE ALSO PLANS TO PERFORM WIPE TESTING ON THE | | RECOVERED SOURCES TO DETERMINE THE EXTENT OF CONTAMINATION, IF ANY. | | | | THE LICENSEE HAS NOTIFIED THE STATE OF CONNECTICUT DEPARTMENT OF | | ENVIRONMENTAL PROTECTION AND EXPECTS A DEPARTMENT OF ENVIRONMENTAL | | PROTECTION REPRESENTATIVE TO ARRIVE ON SITE WITHIN THE HOUR. THE FEDERAL | | AVIATION ADMINISTRATION AND NATIONAL TRAFFIC SAFETY BOARD ARE NOT INVOLVED. | | THE LICENSEE ALSO PLANS TO PREPARE A 30-DAY REPORT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 30452 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SOUTH WEST RESEARCH |NOTIFICATION DATE: 05/10/96 | | CITY: JOHNSTON ISLAND REGION: 0 |NOTIFICATION TIME: 12:18 [ET]| | COUNTY: STATE: |EVENT DATE: 01/01/92 | |LICENSE#: 53-23258-01 AGREEMENT: |EVENT TIME: 00:00[ ]| | DOCKET: |LAST UPDATE DATE: 05/10/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SANBORN RDO | | |MIKE BELL, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: HEGEMAN & ALEXY |BARRETT ERB | |HQ OPS OFFICER: RUDY KARSCH | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A 250 ęCi Am-241 SOURCE IS MISSING | | | | THE LICENSEE LOST CONTROL OF A 250 ęCi Am-241 SOURCE IN JANUARY OF 1992. | | ATTEMPTS TO LOCATE THE SOURCE HAVE BEEN UNSUCCESSFUL AND IT HAS BEEN | | DECLARED MISSING. THE FACILITY IS OPERATED FOR THE LICENSEE BY RAYTHEON, | | AND IS LOCATED ON JOHNSTON ISLAND, APPROXIMATELY 825 MILES SOUTHWEST OF | | HONOLULU. THE LICENSEE BELIEVES THAT THE SOURCE IS LOCATED IN ONE OF | | SEVERAL THOUSAND 55-GALLON DRUMS OF CHEMICALLY CONTAMINATED WASTE. THE | | LICENSEE WILL ATTEMPT TO RECOVER THE SOURCE IN THE FUTURE WHEN THE DRUMS | | ARE REOPENED IN CONJUNCTION WITH DECOMMISSIONING THE FACILITY. THIS EVENT | | HAS BEEN DISCUSSED WITH REGION 4 (GARCIA). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30453 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 05/10/96 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 12:28 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 05/10/96 | +------------------------------------------------+EVENT TIME: 10:25[CDT]| |NRC NOTIFIED BY: SWAFFORD |LAST UPDATE DATE: 05/10/96 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK CRLENJAK RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION |DENNIG EO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | |BARRETT AEOD | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A REACTOR SCRAM OCCURRED ON LOSS OF FEEDWATER DUE TO AN UNKNOWN FAILURE IN | | THE DIGITAL FEEDWATER SYSTEM. | | | | A FEEDWATER (FW) RUNBACK OCCURRED WHEN THE FW DEMAND SIGNAL WENT TO ZERO ON | | THE DIGITAL FW SYSTEM. THE DECREASE IN FEED FLOW RESULTED IN A DECREASE IN | | REACTOR WATER LEVEL TO APPROXIMATELY -48". AT +11.2", THE LOW LEVEL | | SETPOINT, A REACTOR SCRAM OCCURRED, AND ALL RODS FULLY INSERTED. AT -45", | | THE LOW-LOW LEVEL SETPOINT, HIGH PRESSURE COOLANT INJECTION (HPCI), REACTOR | | CORE ISOLATION COOLING (RCIC), AND CONTAINMENT ISOLATION INITIATION SIGNALS | | OCCURRED. THE HPCI SYSTEM INJECTED AND RECOVERED REACTOR WATER LEVEL, | | HOWEVER, THE RCIC TURBINE TRIPPED FOR UNKNOWN REASONS. GROUP 2 | | (RADIOACTIVE WASTE), GROUP 3 (RWCU), GROUP 6 (REACTOR BUILDING | | VENTILATION), AND GROUP 8 (TRANSVERSE INCORE PROBE ISOLATION) ISOLATIONS | | OCCURRED, AS WELL AS THE INITIATION OF STANDBY GAS TREATMENT SYSTEM AND A | | CONTROL ROOM EMERGENCY VENTILATION SYSTEM ACTUATION. OPERATORS MANUALLY | | TRIPPED THE TURBINE IN RESPONSE TO THE SCRAM. NO SAFETY/RELIEF VALVES | | OPENED FOLLOWING THE SCRAM. | | | | CURRENTLY, THE UNIT IS STABLE IN HOT SHUTDOWN. THE FEEDWATER SYSTEM IS | | SUPPLYING THE VESSEL AND HEAT IS BEING DISSIPATED TO THE CONDENSER VIA THE | | TURBINE BYPASS VALVES. OFFSITE POWER IS SUPPLYING VITAL LOADS AND IS | | STABLE AT THIS TIME. | | | | THE LICENSEE PLANS TO BRING THE UNIT TO COLD SHUTDOWN. THE LICENSEE HAS | | INFORMED THE NRC RESIDENT INSPECTOR OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30454 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 05/11/96 | |UNIT: [1] [ ] [ ] STATE: AZ |NOTIFICATION TIME: 05:16 [ET]| |RX TYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 05/11/96 | +------------------------------------------------+EVENT TIME: 00:37[MST]| |NRC NOTIFIED BY: GRAVO |LAST UPDATE DATE: 05/11/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |SANBORN 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE NOTIFIED FEDERAL AND STATE AGENCIES REGARDING ACID SPILL ONSITE | | | | AT 2250 MST ON 5/10/96, AN AUXILIARY OPERATOR DISCOVERED A SPILL OF | | APPROXIMATELY 200 GALLONS OF SULFURIC ACID IN THE UNIT 1 NORTH YARD AREA. | | THE SPILLAGE WAS CAUSED BY A RUPTURE OF THE UNDERGROUND PIPING ASSOCIATED | | WITH THE HIGH TOTAL DISSOLVED SOLIDS (TDS) SUMP. THE SPILL WAS TERMINATED | | AT APPROXIMATELY 2300 MST WHEN THE SUMP WAS SECURED. THE LICENSEE IS | | CURRENTLY NEUTRALIZING THE ACID. | | | | THE LICENSEE CONTACTED THE US DOT NATIONAL RESPONSE CENTER AT 0037 MST | | 5/11/96, AS WELL AS THE ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITY. THE | | NRC RESIDENT INSPECTOR HAS BEEN INFORMED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30455 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 05/11/96 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 19:43 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 05/11/96 | +------------------------------------------------+EVENT TIME: 18:00[EDT]| |NRC NOTIFIED BY: KERRY ALLEN |LAST UPDATE DATE: 05/11/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD URBAN RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | |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 +------------------------------------------------------------------------------+ | THE REACTOR CORE ISOLATION COOLING (RCIC) SYSTEM ISOLATED, POSSIBLY DUE TO | | A FALSE SIGNAL FROM THE MASTER TRIP UNIT. THE "B" STEAM LINE ISOLATION | | VALVE CLOSED, BUT THE "A" SIDE REMAINED OPEN. THE LICENSEE DECLARED RCIC | | INOPERABLE, ENTERING A SEVEN DAY LCO PER TECH SPEC 3.5.E.1. I&C | | TECHNICIANS ARE TROUBLESHOOTING THE CAUSE OF THE ISOLATION. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30456 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 05/12/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 03:30 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 05/12/96 | +------------------------------------------------+EVENT TIME: 01:07[CDT]| |NRC NOTIFIED BY: BAILEY |LAST UPDATE DATE: 05/12/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CREED 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 88 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR SCRAM DUE TO HIGH GENERATOR BEARING VIBRATION | | | | OPERATORS MANUALLY SCRAMMED THE UNIT DUE TO INCREASING VIBRATION ON MAIN | | TURBINE/GENERATOR EXCITER BEARING #12. THE UNIT RESPONDED AS EXPECTED, | | WITH ALL CONTROL RODS INSERTING, AND ALL SYSTEMS FUNCTIONING AS REQUIRED. | | THE MAIN CONDENSER IS BEING USED AS A HEAT SINK FOR THE REACTOR. REACTOR | | VESSEL WATER LEVEL DECREASED TO A LOW OF -7" (NARROW RANGE), AND HAS BEEN | | RECOVERED TO THE NORMAL LEVEL FOR THIS CONDITION. | | | | THE LICENSEE STATED THAT BEARING VIBRATION BEGAN INCREASING AT | | APPROXIMATELY 2200 CDT. THE VIBRATION CONTINUED TO INCREASE, WITHOUT ANY | | CORRESPONDING INCREASES IN METAL TEMPERATURES, UNTIL IT REACHED 9 MILS. | | OPERATORS THEN MANUALLY SCRAMMED THE UNIT IN ANTICIPATION OF AN AUTOMATIC | | TURBINE TRIP/REACTOR SCRAM AT 10 MILS VIBRATION. THE UNIT WILL REMAIN IN | | HOT SHUTDOWN PENDING AN INVESTIGATION OF THE CAUSE OF THE INCREASED | | VIBRATION. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | | +------------------------------------------------------------------------------+