U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/21/96 - 06/24/96 ** EVENT NUMBERS ** 30658 30659 30660 30661 30662 30663 30664 30665 30666 30667 30668 30669 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30658 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 06/21/96 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 01:42 [ET]| |RX TYPE: [1] CE |EVENT DATE: 06/21/96 | +------------------------------------------------+EVENT TIME: 00:50[EDT]| |NRC NOTIFIED BY: ROBERT MALONEY |LAST UPDATE DATE: 06/21/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON RDO | |DSAF 73.71(b)(1) SECURITY DEGRADATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 90 POWER OPERATION | 90 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFEGUARDS SYSTEM DEGRADATION RELATED TO AN AREA BOUNDARY | | | | IMMEDIATE COMPENSATORY MEASURES TAKEN UPON DISCOVERY. THE LICENSEE WILL | | NOTIFY THE NRC RESIDENT INSPECTOR. ADDITIONAL DETAILS ARE CONTAINED IN THE | | HOO LOG. | | | | * * * UPDATE 1840 EDT 6/21/96 BY S.SANDIN * * * | | | | THE LICENSEE IS RETRACTING THIS REPORT AFTER FURTHER REVIEW WHICH CONCLUDED | | THAT NO SAFEGUARDS SYSTEM DEGRADATION HAD OCCURRED. THE LICENSEE INFORMED | | THE NRC RESIDENT INSPECTOR. ADDITIONAL DETAILS ARE CONTAINED IN THE HOO | | LOG. NOTIFIED R1DO (HARRISON). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 30659 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: AMERIJET |NOTIFICATION DATE: 06/21/96 | | CITY: MIAMI REGION: 2 |NOTIFICATION TIME: 02:15 [ET]| | COUNTY: DADE STATE: FL |EVENT DATE: 06/21/96 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 00:00[EDT]| | DOCKET: |LAST UPDATE DATE: 06/21/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHARLES HOSEY RDO | | |JOHN HICKEY EO | +------------------------------------------------+BLANCHARD DOT | |NRC NOTIFIED BY: KAY HEATH |TANNER DOE | |HQ OPS OFFICER: DOUG WEAVER |CONGEL AEOD | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NTRA TRANSPORTATION EVENT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TRANSPORTATION EVENT | | | | CALL BACK NUMBER: CONTAINED IN THE HOO LOG | | | | CALLER'S ORGANIZATION: STATE OF FLORIDA RADIATION CONTROL | | | | TRANSPORTATION MODE: AIR | | | | EXACT LOCATION OF EVENT: MIAMI INTERNATIONAL AIRPORT | | | | NAME OF CARRIER: AMERIJET | | | | -SHIPPING PAPERS AVAILABLE: YES | | | | -NAME OF SHIPPER: NORDION INTERNATIONAL INCORPORATED | | | | -ADDRESS OF SHIPPER: 447 MARCH ROAD, KANATA, ONTARIO, CANADA K2K1X8 | | | | MATERIAL INVOLVED: | | | | ONE SEVEN GALLON CONTAINER OF NaI WITH 3 Ci OF I-131 WAS DROPPED ON THE | | PAVEMENT AND SOME OF THE MATERIAL SPILLED OUT. THE TRANSPORTATION INDEX IS | | 2.7. THE DADE COUNTY HAZMAT TEAM RESPONDED AND HAS ROPED OFF THE AREA. | | THERE WERE NO PERSONNEL CONTAMINATIONS. THE MATERIAL YIELDED 50 mR/HR ON | | CONTACT WITH THE CONTAINER. THE STATE OF FLORIDA HAS SENT RESPONSE | | PERSONNEL TO THE SCENE. THERE HAS BEEN NO MEDIA COVERAGE OF THIS EVENT. | | DOT AND DOE HAVE BEEN NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30660 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 06/21/96 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 11:44 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 06/21/96 | +------------------------------------------------+EVENT TIME: 11:37[EDT]| |NRC NOTIFIED BY: RUTTAR |LAST UPDATE DATE: 06/21/96 | |HQ OPS OFFICER: HENRY BAILEY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |L. HARRISON 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BOTH SERVICE WATER BOOSTER PUMPS INOPERABLE. | | | | THE SAFETY RELATED B SERVICE WATER PUMP (SWP) BOOSTER PUMP (BSTR PP) WAS | | DETERMINED TO BE INOPERATIVE DUE TO A DEGRADED PEDESTAL. THE A SWP BSTR PP | | HAD BEEN OUT OF SERVICE CONCURRENTLY FOR MAINTENANCE ON A NUMBER OF | | OCCASIONS IN THE PAST WHEN THE PEDESTAL WAS PRESUMABLY DEGRADED. THE | | PEDESTAL WILL BE REPAIRED. | | | | THE RESIDENT INSPECTOR WAS INFORMED. STATE AND LOCAL OFFICIALS WILL BE | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30661 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 06/21/96 | |UNIT: [ ] [ ] [3] STATE: IL |NOTIFICATION TIME: 11:54 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 06/21/96 | +------------------------------------------------+EVENT TIME: 09:41[CDT]| |NRC NOTIFIED BY: DAVE KLIMECK |LAST UPDATE DATE: 06/21/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ESF ACTUATION - AN ISOLATION CONDENSER ISOLATION VALVE CLOSED | | | | WHILE REALIGNING THE ISOLATION CONDENSER PER DGP 2-3 DURING A NORMAL UNIT | | SHUTDOWN, THE 3-1301-3 VALVE WENT CLOSED DUE TO A SPURIOUS GROUP V | | ISOLATION. ALL OTHER VALVES WERE CLOSED WHEN THE SIGNAL WAS RECEIVED. THE | | ISOLATION HAS BEEN RESET AND THE 3-1301-3 VALVE WAS REOPENED. THE CAUSE OF | | THE SPURIOUS ISOLATION SIGNAL IS NOT KNOWN AT THIS TIME. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 30662 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: FAIRBANKS MEMORIAL HOSPITAL |NOTIFICATION DATE: 06/21/96 | | CITY: FAIRBANKS REGION: 4 |NOTIFICATION TIME: 14:02 [ET]| | COUNTY: STATE: AK |EVENT DATE: 06/20/96 | |LICENSE#: 50-13648-01 AGREEMENT: N |EVENT TIME: 14:45[YT ]| | DOCKET: |LAST UPDATE DATE: 06/21/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |TOM STETKA RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: DAVE KIRKLAND | | |HQ OPS OFFICER: STEVE SANDIN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MEDICAL MISADMINISTRATION OF I-131 DIAGNOSTIC DUE TO RADIATION SAFETY | | OFFICER (RSO) ERROR. | | | | A 77 YEAR OLD FEMALE PATIENT AT FAIRBANKS MEMORIAL HOSPITAL LOCATED AT 1650 | | COWLES, FAIRBANKS, AK 99701, RECEIVED 6.6 mCi INSTEAD OF 100 ęCi I-131 | | INTENDED FOR A THYROID DIAGNOSTIC EVALUATION. THE ERROR OCCURRED WHEN THE | | RSO DID NOT HAVE THE PRESCRIBING PHYSICIAN REVIEW AND SIGN THE QMP PRIOR TO | | ADMINISTERING THE DOSE. THE RADIOLOGIST WHO DISCOVERED THE ERROR NOTIFIED | | BOTH THE PHYSICIAN AND PATIENT. THE RSO DOES NOT EXPECT ANY ADVERSE EFFECT | | TO THE PATIENT AND WILL SUBMIT A WRITTEN REPORT TO THE NRC FIELD OFFICE | | WITHIN 15 DAYS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30663 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 06/21/96 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 23:17 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 06/21/96 | +------------------------------------------------+EVENT TIME: 22:50[EDT]| |NRC NOTIFIED BY: JOE FRANKS |LAST UPDATE DATE: 06/21/96 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LICENSEE REVIEW OF NRC INFORMATION NOTICE (IN 96-06) CONCLUDED THAT A | | TORNADO ONSITE AND A LOSS OF OFF-SITE POWER COULD HAVE RESULTED IN A LOSS | | OF BOTH EMERGENCY DIESEL GENERATORS (EDGs). | | | | THE FOLLOWING IS FROM BOTH AN ORAL AND A FAX REPORT FROM THE LICENSEE: | | | | ON MAY 24, 1996 WITH THE PLANT IN MODE 5 AT 0% POWER, IT WAS DISCOVERED | | DURING AN ENGINEERING INVESTIGATION THAT ALL THE TORNADO PROTECTION DAMPERS | | AT MILLSTONE 3 MAY BE SUBJECT TO THE CONDITIONS FOUND AT THE RIVER BEND | | STATION AND DISCUSSED IN NRC INFORMATION NOTICE (IN) 96-06. THE CONDITIONS | | DISCUSSED IN IN96-06 REGARDING THE SOUTH TEXAS PROJECT WERE DETERMINED NOT | | TO BE APPLICABLE. | | | | WITH REGARD TO THE ISSUE AT RIVER BEND, IT HAS BEEN PROVEN THAT THE (EDG) | | ENCLOSURE EMERGENCY VENTILATION EXHAUST TORNADO DAMPERS ARE NOT CAPABLE OF | | RE-OPENING IF THEY ARE CLOSED WHILE THE EMERGENCY FANS ARE RUNNING. | | PROCEDURE CHANGES HAVE SUBSEQUENTLY BEEN IMPLEMENTED THAT PROVIDE OPERATORS | | SUFFICIENT GUIDANCE THAT WILL ENSURE THAT ALL TORNADO DAMPERS ARE | | RE-OPENED, OR VERIFIED OPEN FOLLOWING THE PASSAGE OF A TORNADO. | | | | THE CONCERN IS WHETHER OR NOT THE AFFECTED SYSTEMS AND COMPONENTS ARE OR | | WERE IN ACCORDANCE WITH ALL APPLICABLE TECHNICAL SPECIFICATIONS, WHETHER OR | | NOT THE AFFECTED SYSTEMS AND COMPONENTS ARE OR WERE IN A SERIOUS DEGRADED | | CONDITION OUTSIDE THE PLANT DESIGN BASIS, AND WHETHER OR NOT THE PLANT WAS | | IN A CONDITION WHEREIN A SINGLE EVENT COULD HAVE RESULTED IN A LOSS OF | | SAFETY FUNCTION. EVALUATION OF THESE ISSUES AS THEY PERTAIN TO THE TWO | | SYSTEMS INVOLVED MAY BE ADDRESSED SEPARATELY DUE TO INHERENT DIFFERENCES IN | | THEIR DESIGN. THE CONTROL BUILDING (CB) VENTILATION SUBSYSTEMS ARE NOT AS | | TIME CRITICAL AS THE EDG CUBICLES AND THE TORNADO DAMPERS ARE SIGNIFICANTLY | | SMALLER IN PHYSICAL SIZE AND RATED FLOW. THE CB SUBSYSTEMS THAT ARE | | CRITICAL TO RESTORE VENTILATION FLOW PATHS ARE THE BATTERY ROOM, CONTROL | | ROOM, AND THE CB CHILLER ROOMS. THE BATTERY ROOM FANS HAVE FLOW SWITCHES | | WHICH WOULD ALARM AND ALERT THE OPERATORS IMMEDIATELY OF A VENTILATION FLOW | | BLOCKAGE. EEQ TEMPERATURE MONITORS IN THE CB CHILLER ROOM ALARM IN THE | | CONTROL ROOM PROVIDING INDICATION OF VENTILATION PROBLEMS IN THAT AREA. | | THERE IS A HIGH LEVEL OF ASSURANCE THAT THE OPERATING SHIFT WOULD BE ABLE | | TO DIAGNOSE THESE PROBLEMS AND DISPATCH PERSONNEL TO THE FIELD TO RE-OPEN | | THE TORNADO DAMPERS IF THEY WERE CLOSED. THESE ARE THE ONLY SUBSYSTEMS | | THAT WOULD HAVE AN IMPACT ON PLANT SAFETY. THE OTHERS ARE NOT REQUIRED FOR | | SAFE SHUTDOWN. THE CONTROL ROOM VENTILATION SYSTEM ONLY HAS TORNADO | | DAMPERS ON THE INLET SIDE TO THE SUPPLY FANS AND IT HAS BEEN PROVEN THAT | | THE FAN OPERATION WOULD AID IN RE-OPENING THESE DAMPERS. THEREFORE THERE IS | | NO CONCERN REGARDING THE LOSS OF EITHER FILTERED OR FRESH AIR VENTILATION. | | HOWEVER, THE EDG CUBICLE EMERGENCY VENTILATION HAS AN EXTREMELY HIGHER FLOW | | RATE WHICH WOULD PREVENT AN OPERATOR FROM PHYSICALLY RE-OPENING THE DAMPERS | | AND IS MUCH MORE TIME CRITICAL TO RESTORE. | | | | GIVEN THE SCENARIO DETAILED IN IN96-06, IN ORDER FOR THE TORNADO TO PREVENT | | THE EDG EMERGENCY VENTILATION SYSTEM FROM PERFORMING ITS FUNCTION THE | | VENTILATION EXHAUST FLOW PATH WOULD HAVE TO BE SHOWN TO BE UNABLE TO BE | | RESTORED WITHIN A REASONABLE AMOUNT OF TIME. THE SUCTION FLOW WOULD BE | | RESTORED IMMEDIATELY UPON THE PASSAGE OF THE TORNADO BECAUSE THE FAN | | SUCTION WOULD AID IN RE-OPENING THE DAMPERS. | | | | THE CONDITION DETAILED IN IN96-06 WOULD HAVE RESULTED IN BLOCKING THE | | EXHAUST PATH OF THIS SYSTEM. IT WOULD BE NECESSARY FOR THE OPERATING SHIFT | | TO DISPATCH PERSONNEL TO THE EDG CUBICLES TO INITIATE AN EXHAUST PATH BY | | OPENING ONE OR BOTH CUBICLE DOORS. WITH THE DOORS OPEN, AN ALTERNATE | | EXHAUST FLOW PATH WOULD BE CREATED THEREBY REMOVING HEAT FROM THE CUBICLE. | | WITH BOTH DOORS OPEN, AN EXHAUST FLOW AREA OF EXACTLY ONE HALF THE NORMAL | | AREA WOULD BE CREATED (42 SQ. FT. VS. 84 SQ. FT.). THIS WOULD STILL ALLOW | | FOR THE BULK OF THE HEAT TO BE REMOVED FROM THE CUBICLE. THE OPERATORS | | WOULD BE ALERTED TO THE FACT THAT THERE WAS A VENTILATION PROBLEM IN THE | | CUBICLES BY HIGH TEMPERATURE ALARMS ON BOTH THE MAIN CONTROL BOARD AND THE | | EEQ DATALOGGER AND BY TEMPERATURE INDICATION ON THE MAIN CONTROL BOARD. | | | | HOWEVER, IT IS UNLIKELY THE OPERATING SHIFT WOULD BE SUCCESSFUL IN OPENING | | THE CUBICLE DOORS. DURING DAMPER TESTING, AN INDIVIDUAL WAS UNABLE TO OPEN | | THE TORNADO DOOR WITH THE FAN RUNNING AND EXHAUST DAMPERS CLOSED. WITH NO | | ABILITY TO ENTER THE CUBICLE AND WITH INCREASING TEMPERATURE IN THE | | ENCLOSURES IT WOULD BE DIFFICULT TO DIAGNOSE AND TAKE CORRECTIVE ACTIONS. | | | | THIS WAS A CONDITION THAT ALONE COULD HAVE RESULTED IN A LOSS OF SAFETY | | FUNCTION AND THEREFORE SHOULD BE REPORTED PURSUANT TO 10 CFR | | 50.72(2)(iii)(B) AND AN LER PURSUANT TO 50.73(a)(2)(v)(B). A TORNADO COULD | | HAVE RESULTED IN A LOSS OF OFF-SITE POWER CAUSING THE EDGs TO START. THE | | TORNADO COULD HAVE THEN CLOSED BOTH EDG ENCLOSURE EXHAUST DAMPERS. THE | | INABILITY TO REESTABLISH EDG CUBICLE VENTILATION COULD HAVE RESULTED IN THE | | LOSS OF THE SAFETY FUNCTION OF THE EDGs. | | | | THE LICENSEE INFORMED STATE AND LOCAL AGENCIES AND THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30664 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: YANKEE ROWE REGION: 1 |NOTIFICATION DATE: 06/22/96 | |UNIT: [1] [ ] [ ] STATE: MA |NOTIFICATION TIME: 12:33 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 06/22/96 | +------------------------------------------------+EVENT TIME: 12:10[EDT]| |NRC NOTIFIED BY: CHARLES BROOKS |LAST UPDATE DATE: 06/22/96 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON 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 N 0 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF RADIO PAGING SYSTEM DISCOVERED DURING TESTING. | | | | SECURITY DISCOVERED DURING TESTING THAT THE RADIO PAGING SYSTEM WAS | | INOPERABLE. THE LICENSEE CLASSIFIES THIS AS A MAJOR LOSS OF OFFSITE | | COMMUNICATION. THE CAUSE OF THE LOSS IS UNKNOWN. THE LICENSEE IS | | CURRENTLY TROUBLESHOOTING THE PROBLEM. THERE IS NO NRC RESIDENT INSPECTOR | | ASSIGNED TO THIS SITE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30665 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 06/23/96 | |UNIT: [1] [ ] [ ] STATE: TX |NOTIFICATION TIME: 01:17 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/22/96 | +------------------------------------------------+EVENT TIME: 23:45[CDT]| |NRC NOTIFIED BY: JOE HESSLING |LAST UPDATE DATE: 06/23/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM STETKA RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | ONE HOUR REPORT UNDER 10CFR73 APP G. LOST VITAL AREA KEY. | | THE TURBINE BUILDING KEY WAS FOUND TO BE MISSING FROM A KEY RING. THE | | LICENSEE IS CHANGING OUT LOCK CORES, AND EXPECTS TO COMPLETE THIS WORK | | WITHIN THE NEXT THREE TO FOUR HOURS. THE LICENSEE INFORMED THE NRC | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30666 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 06/23/96 | |UNIT: [ ] [3] [ ] STATE: PA |NOTIFICATION TIME: 04:32 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 06/23/96 | +------------------------------------------------+EVENT TIME: 04:15[EDT]| |NRC NOTIFIED BY: JAMES KOVALCHICK |LAST UPDATE DATE: 06/23/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON RDO | |AUNA 50.72(b)(1)(ii)(A) UNANALYZED COND OP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 3 | N Y 80 POWER OPERATION | 24 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTIVITY EXCURSION CAUSED BY CLOSURE OF A TURBINE CONTROL VALVE DUE TO A | | SEPARATED PLUG. THE LICENSEE HAS REDUCED POWER TO BELOW 25% BECAUSE | | OPERATION ABOVE THIS LEVEL WITH ONE CONTROL VALVE CLOSED IS AN UNANALYZED | | CONDITION. | | | | ON 6/22/96 AT 0025 EDT, WITH THE REACTOR AT 80% POWER, A REACTIVITY | | EXCURSION OF +12% WAS OBSERVED ON THE APRMs ALONG WITH A PRESSURE INCREASE | | IN THE REACTOR. FOLLOWING THE REACTIVITY EXCURSION THREE OF THE TURBINE | | CONTROL VALVES WENT MORE OPEN. THE LICENSEE REDUCED POWER AND BEGAN | | TROUBLE SHOOTING THE TURBINE STOP AND CONTROL VALVES. ON 6/23/96 AT 0045 | | EDT, WITH THE REACTOR AT 44% POWER THE LICENSEE DETERMINED THAT THE #2 | | CONTROL VALVE WAS CLOSED AND THE PLUG HAD DISCONNECTED FROM THE STEM. AT | | 0415 EDT THE LICENSEE DETERMINED THAT WITH 3 OUT OF 4 STEAM LINES OPERABLE | | THE PLANT WAS IN AN UNANALYZED CONDITION SHOULD A LOAD REJECTION OCCUR WITH | | POWER ABOVE 25%. THE MINIMUM CRITICAL POWER RATIO COULD BE EXCEEDED BY THE | | TRANSIENT RESULTING FROM FAST CLOSURE OF THE REMAINING THREE VALVES. POWER | | WAS IMMEDIATELY REDUCED AND IS NOW AT 24%. POWER WILL NOT BE INCREASED | | UNTIL A NEW ANALYSIS IS COMPLETED. THE DAMAGE AND REPAIR OPTIONS FOR THE | | #2 CONTROL VALVE ARE BEING EVALUATED. THE LICENSEE WILL INFORM THE NRC | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30667 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 06/23/96 | |UNIT: [1] [2] [ ] STATE: TN |NOTIFICATION TIME: 18:28 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/23/96 | +------------------------------------------------+EVENT TIME: 17:37[EDT]| |NRC NOTIFIED BY: JEFF EPPERSON |LAST UPDATE DATE: 06/23/96 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |CHARLES HOSEY RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ROBERT CAPRA EO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION |KEN CIBOC FEMA | |AESF 50.72(b)(2)(ii) ESF ACTUATION |FRANK CONGEL IRD | | |DAVID LABARGE NRR | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE DECLARED AN UNUSUAL EVENT FOLLOWING AN EXPLOSION AND FIRE IN THE | | 500KV SWITCHYARD. | | | | "AT 1737 EDT A NOTIFICATION OF UNUSUAL EVENT WAS DECLARED AT SEQUOYAH DUE | | TO AN EXPLOSION WITHIN THE PROTECTED AREA WHICH CAUSED DAMAGE TO PERMANENT | | STRUCTURES. | | | | AT 1714 EDT A 500KV SWITCHYARD BUS POTENTIAL TRANSFORMER EXPLODED WHICH | | RESULTED IN CLEARING OF THE AFFECTED BUS THROUGH RELAY AND BREAKER | | OPERATION. UNIT 1 TRIPPED DUE TO A GENERATOR TRIP CAUSED BY A DIFFERENTIAL | | RELAY OPERATION ON THE MAIN TRANSFORMER. UNIT 2 WAS UNAFFECTED BY THIS | | EVENT AND REMAINS AT FULL POWER. | | | | OFFSITE POWER SOURCES ARE AVAILABLE AND OPERATING ADEQUATELY. | | | | SHRAPNEL FROM THE EXPLODED POTENTIAL TRANSFORMER BROKE SOME WINDOWS ON THE | | WEST END OF THE TURBINE BUILDING AND CAUSED SOME VISIBLE SCARRING OF THE | | UNIT 1 MAIN TRANSFORMERS. NO SAFETY RELATED EQUIPMENT OR STRUCTURES WERE | | AFFECTED. | | | | THE FIRE WAS EXTINGUISHED AT ~1740 EDT. THE NOTIFICATION OF UNUSUAL EVENT | | WAS TERMINATED AT 1807 EDT." | | | | THE TRANSFORMER WHICH FAILED WAS RELATIVELY SMALL, i.e., CYLINDRICAL 10 FT. | | HIGH AND 2 FT. IN DIAMETER, LOCATED IN THE 500KV SWITCHYARD ABOUT 40 YARDS | | WEST OF THE TURBINE BUILDING. THIS TRANSFORMER STEPS THE 500KV BUS VOLTAGE | | DOWN TO 120VAC FOR LINE INSTRUMENTATION MONITORING. THE AFFECTED BUS | | REFERRED TO BY THE LICENSEE IS THE 500KV BUS #1. | | | | FOLLOWING THE UNIT 1 TRIP, ALL EQUIPMENT FUNCTIONED AS EXPECTED. ALL RODS | | FULLY INSERTED, BOTH UNITS' EDGs AND ALL SAFETY EQUIPMENT ARE AVAILABLE. | | OFFSITE POWER REMAINED STABLE DURING THE TRANSIENT. NO PRIMARY RELIEFS | | LIFTED. PRESSURIZER LEVEL DECREASED FROM THE PROGRAMMED LEVEL OF 58% TO | | 26% IMMEDIATELY FOLLOWING THE TRIP (PRESSURIZER HEATER LOW LEVEL CUTOUT IS | | 17%). STEAM GENERATOR WATER LEVELS DECREASED FROM APPROXIMATELY 70% TO 53% | | WIDE RANGE. ALL AUXILIARY FEEDWATER PUMPS ACTUATED ON THE LOSS OF BOTH MAIN | | FEEDWATER PUMPS, RETURNING LEVEL TO THE NORMAL POST TRIP BAND OF 33%-40%. | | DECAY HEAT IS CURRENTLY BEING REMOVED BY STEAM DUMP TO THE MAIN CONDENSER. | | THE LICENSEE WILL DETERMINE AND EVALUATE THE EXTENT OF DAMAGE PRIOR TO | | RESTART. THERE WERE NO INJURIES ASSOCIATED WITH THE FIRE AND EXPLOSION. | | | | THE LICENSEE INFORMED STATE/LOCAL AGENCIES AND WILL INFORM THE NRC RESIDENT | | INSPECTOR. THERE IS NO PLAN AT THIS TIME TO ISSUE A PRESS RELEASE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30668 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 06/24/96 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 00:27 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/23/96 | +------------------------------------------------+EVENT TIME: 22:30[CDT]| |NRC NOTIFIED BY: PETER KNARR |LAST UPDATE DATE: 06/24/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | SEVERE THUNDER STORMS DISABLED SURVEILLANCE EQUIPMENT. COMPENSATORY ACTIONS | | WERE NOT POSSIBLE FOR TWENTY MINUTES DUE TO HAZARDOUS LIGHTNING. THUS A | | CRITERION FOR COMPENSATORY MEASURES WAS NOT MET. THE LICENSEE WILL INFORM | | THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30669 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 06/24/96 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 05:34 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 06/24/96 | +------------------------------------------------+EVENT TIME: 00:55[EDT]| |NRC NOTIFIED BY: PHIL SANTINI |LAST UPDATE DATE: 06/24/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LICENSEE 24-HOUR REPORT IN ACCORDANCE WITH INDIAN POINT 2 TECH SPEC | | 3.13.A.3. FIRE PROTECTION. | | | | THE LICENSEE'S TECH SPECS REQUIRE REPORTING PIPING INOPERABILITY TO REGION | | 1 FOR ANY REASON OTHER THAN THOSE EXCEPTIONS GRANTED BY TECH SPEC SECTION | | 3.13.A.2. THE LICENSEE'S PROCEDURES REQUIRE A REPORT TO THE NRC OPERATIONS | | CENTER. A SECTION OF FIRE PROTECTION PIPING WAS TAGGED OUT FOR PLANT | | MAINTENANCE. COMPENSATORY MEASURES WERE TO RUN ADDITIONAL HOSES AND | | FITTINGS TO THE AFFECTED AREAS. THE LICENSEE WILL INFORM THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+