U.S. Nuclear Regulatory Commission Operations Center Event Reports For 08/11/95 - 08/14/95 ** EVENT NUMBERS ** 29098 29178 29184 29185 29186 29187 29188 29189 29190 29191 29192 29193 29194 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29098 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 07/23/95 | |UNIT: [1] [2] [ ] STATE: GA |NOTIFICATION TIME: 21:40 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/23/95 | +------------------------------------------------+EVENT TIME: 18:04[EDT]| |NRC NOTIFIED BY: CHESNUT |LAST UPDATE DATE: 08/11/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |STEVEN VIAS RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION |EDWARD BUTCHER EO | |ANLI 50.72(b)(1)(iii) LIGHTNING | | | |BARRETT AEOD | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DUAL UNIT TRIPS ON MAIN GENERATOR TRIPS DUE TO A LIGHTNING STRIKE IN THE | | VICINITY OF THE TURBINE BUILDING. | | | | AT 1804 EDT ON 7/23/95, VOGTLE UNITS 1 AND 2 AUTOMATICALLY TRIPPED. THE | | REACTOR TRIPS WERE DUE TO GENERATOR/TURBINE TRIPS WHICH OCCURRED DURING A | | THUNDERSTORM. LIGHTNING WAS OBSERVED TO STRIKE NEAR THE TURBINE BUILDING | | AT THE TIME OF THE TRIPS. NO DAMAGE TO PLANT EQUIPMENT HAS BEEN OBSERVED | | AS A RESULT OF THE LIGHTNING STRIKES. | | | | THE POST-TRIP RESPONSE OF BOTH UNITS WAS NORMAL. MAIN STEAM SAFETY VALVES | | DID NOT LIFT. AUXILIARY FEEDWATER SYSTEMS ACTUATED AS EXPECTED. ALL RODS | | FULLY INSERTED AT BOTH UNITS. OFFSITE POWER WAS NOT LOST, AND ALL DIESEL | | GENERATORS ARE OPERABLE. THERE WERE NO ELECTRICAL BUSSES LOST AS A RESULT | | OF THE TRANSIENT. ALL ECCSs ARE OPERABLE IN STANDBY. GRID STABILITY IS | | GOOD, AND THE THUNDERSTORMS HAVE PASSED THROUGH THE AREA. | | | | AN INVESTIGATION CONTINUES TO DETERMINE THE CAUSE OF THE TRIPS. REACTOR | | RESTARTS ARE PENDING RESULTS OF THE INVESTIGATION AND EVENT CRITIQUES. THE | | LICENSEE IS TENTATIVELY PLANNING TO RESTART UNIT 2 AROUND MIDNIGHT, AND | | UNIT 1 TOMORROW. UNIT 1 WILL BE REPLACING AN INTERMEDIATE RANGE DETECTOR | | (NI-36). THE RESIDENT INSPECTORS HAVE BEEN INFORMED AND ARE ON SITE. | | | | * * * UPDATE 1031 8/11/95 FROM SHEIBANI TAKEN BY STRANSKY * * * | | | | THE LICENSEE CALLED TO UPDATE THE CAUSE OF THE REACTOR TRIPS. THE REACTOR | | TRIPS WERE CAUSED BY CONTROL RODS DROPPING INTO THE CORE DUE TO THE | | LIGHTNING AND NOT BY TURBINE TRIPS AS ORIGINALLY REPORTED. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED. NOTIFIED R2DO (BLAKE). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29178 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 08/10/95 | |UNIT: [1] [ ] [ ] STATE: FL |NOTIFICATION TIME: 00:20 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 08/09/95 | +------------------------------------------------+EVENT TIME: 19:17[EDT]| |NRC NOTIFIED BY: HURCHALLA |LAST UPDATE DATE: 08/13/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JEROME BLAKE RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PRESSURIZER PORVs DECLARED INOPERABLE AFTER STROKE TIME TESTING IN MODE 4. | | | | ST. LUCIE UNIT 1 IS RETURNING TO MODE 5 (COLD SHUTDOWN) AFTER ENTERING MODE | | 4 (HOT SHUTDOWN) EARLIER IN THE DAY. DURING PRESSURIZER POWER OPERATED | | RELIEF VALVE (PORV) STROKE TIME TESTING, IT WAS NOT POSSIBLE TO VERIFY | | OPERABILITY. UNIT 1 WILL BE MAINTAINED IN MODE 5 UNTIL THIS ISSUE CAN BE | | RESOLVED. | | | | THE STROKE TIME TESTING INVOLVES CHECKING FLOW AS INDICATED BY ACOUSTIC | | MONITORS. THE APPROPRIATE LED LIGHT INDICATIONS ON THE ACOUSTIC MONITORS | | WERE UNABLE TO BE VERIFIED. THERE ARE OTHER INDICATIONS THAT THE PORVs | | WERE INDEED OPENING, BUT THEY DECIDED TO RETURN TO MODE 5 TO BE ABLE TO | | TAKE A CLOSER LOOK AT THE OPERABILITY. THE LICENSEE HAS DECLARED THE | | PRESSURIZER PORVs INOPERABLE AND IS PREPARING TO COOL DOWN TO MODE 5. UNIT | | 1 IS IN A 24-HOUR TS LCO TO ENTER MODE 5 AND ESTABLISH AN RCS VENT. UNIT 1 | | IS CURRENTLY AT 260 PSIA AND 275ųF. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | | | | *** UPDATE 8/12/95 @ 23:39 FROM HURCHALLA TAKEN BY SEBROSKY *** | | THE LICENSEE IS UPDATING THIS EVENT BASED ON RESULTS OF BENCH TESTS. | | | | THE FOLLOWING IS FROM A TEXT OF A FACSIMILE FROM THE LICENSEE: | | | | "THE VALVES WERE REMOVED AND CHECKED ON A TEST BENCH. BOTH VALVES FAILED TO | | RELIEVE AT ANY ACTUATING DELTA PRESSURE ACROSS THE MAIN VALVE DISK TO PILOT | | VENT PATH. THE MAIN MAIN VALVES WERE DISASSEMBLED AND THE VALVE GUIDE | | BUSHINGS WERE FOUND TO BE INSTALLED REVERSED. THE VALVE GUIDE BUSHING IS | | ESSENTIALLY A SLEEVE IN WHICH THE MAIN VALVE DISK RIDES WITH A SERIES OF | | VENT HOLES AT ONE END THAT APPEARS LIKE A CROWN. WHEN THE PILOT VALVE IS | | ACTUATED, IT ALLOWS PRESSURE BENEATH THE MAIN VALVE DISK TO BE VENTED | | THROUGH THE VALVE GUIDE BUSHING VENT HOLES. THIS ALLOWS THE MAIN VALVE | | DISK TO DROP DOWN (OPEN) AND PASS STEAM FROM THE PRESSURIZER TO THE QUENCH | | TANK. WITH THE VALVE GUIDE BUSHING REVERSED, THERE WAS NO VENT PATH FROM | | THE MAIN VALVE TO THE PILOT LINE AND SUBSEQUENTLY NO ACTUATING DELTA | | PRESSURE ACROSS THE MAIN VALVE DISK. THE MAIN VALVES HAVE BEEN TESTED WITH | | THE GUIDE BUSHINGS INSTALLED CORRECTLY AND WERE SATISFACTORY. FURTHER | | DETAILS WILL BE REPORTED IN A LICENSEE EVENT REPORT." END OF TEXT. | | | | AT THIS TIME THE LICENSEE IS UNSURE HOW LONG THE CONDITION EXISTED AND THE | | EXACT CAUSE OF THE GUIDE BUSHINGS BEING INSTALLED INCORRECTLY. THE | | LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. HOO NOTIFIED R2DO(BLAKE). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29184 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 08/11/95 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 13:38 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/11/95 | +------------------------------------------------+EVENT TIME: 10:13[PDT]| |NRC NOTIFIED BY: DAVE PIERCE |LAST UPDATE DATE: 08/11/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTROL ROOM HABITABILITY OUTSIDE THE DESIGN BASIS. | | | | THE CONTROL ROOM SAFEGUARDS FILTER BANK FOR UNIT 1 (FILTER UNIT 39) HAD ITS | | CARBON FILTERS REMOVED ON TWO DIFFERENT OCCASIONS FOR REPLACEMENT: ONCE IN | | 1986 AND AGAIN IN 1989. UNIT 2 (FILTER UNIT 41) HAD ITS CARBON FILTERS | | REMOVED FOR SIMILAR REASONS IN 1986 AND 1990. IN ALL FOUR CASES, THE TIME | | THAT THERE WERE NO FILTERS IN PLACE WAS ESTIMATED TO BE LESS THAN THREE | | HOURS PER CASE. DURING THIS MAINTENANCE ACTIVITY, NO PROVISIONS WERE MADE | | TO ISOLATE THE INLET OF THE FILTER HOUSING. IF A DESIGN BASIS ACCIDENT HAD | | OCCURRED DURING THIS TIME, THE PRESSURIZATION FANS WOULD HAVE AUTOMATICALLY | | STARTED AND COULD HAVE DELIVERED UNFILTERED AIRBORNE RADIOACTIVITY TO THE | | CONTROL ROOM. THEREFORE, THE LICENSEE DETERMINED THAT THE UNITS WERE | | OUTSIDE THE DESIGN BASIS FOR THESE FOUR OCCASIONS. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29185 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 08/11/95 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 14:59 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 08/11/95 | +------------------------------------------------+EVENT TIME: 14:45[EDT]| |NRC NOTIFIED BY: RICHARD DONOVAN |LAST UPDATE DATE: 08/11/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES JOYNER 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 +------------------------------------------------------------------------------+ | DISCOVERY OF THE LACK OF ANTI-SIPHON HOLES IN THE FUEL POOL COOLING PIPING. | | | | DURING INSPECTION OF FUEL POOL COOLING PIPING, THE LICENSEE DISCOVERED THAT | | THE ANTI-SIPHON HOLES WERE MISSING. THE ANTI-SIPHON HOLES WERE SUPPOSED TO | | BE DRILLED IN THE PIPING TO PREVENT SIPHONING OF THE FUEL POOL WATER | | THROUGH THE PIPING IN THE CASE OF A SEISMIC EVENT AND PIPING BREAKS. | | APPARENTLY, THE LICENSEE PERFORMED A FUEL POOL RE-RACK PROJECT IN | | APPROXIMATELY 1988 OR 1989, AND IT IS SUSPECT THAT THE PIPING WHICH | | ORIGINALLY HAD THE ANTI-SIPHON HOLES DRILLED IN IT HAD BEEN REPLACED DURING | | THE PERFORMANCE OF THE RE-RACK PROJECT. THE LICENSEE HAS CORRECTED THIS | | PROBLEM. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29186 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 08/11/95 | |UNIT: [ ] [2] [3] STATE: IL |NOTIFICATION TIME: 18:55 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 08/11/95 | +------------------------------------------------+EVENT TIME: 16:12[CDT]| |NRC NOTIFIED BY: MIKE McDONALD |LAST UPDATE DATE: 08/11/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | |PHIL HARRELL RDO | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | STATE NOTIFICATION OF A POSSIBLE LOSS OF A RADIOACTIVE SOURCE FROM A | | RADIATION DETECTOR UNDERGOING REPAIR AT A FACILITY IN NEBRASKA. | | | | THE LICENSEE NOTIFIED THE NEBRASKA DIVISION OF RADIOLOGICAL HEALTH, STATE | | DEPARTMENT OF HEALTH, OF A POSSIBLE LOSS OF A RADIOACTIVE SOURCE FROM A | | RADIATION DETECTOR UNDERGOING REPAIR AT A FACILITY (INTEGRATED RESOURCES) | | IN NEBRASKA CITY. THE SOURCE IS A 0.020 ęCi, STRONTIUM-90, BETA EMITTER. | | THIS IS WELL BELOW THE 10 CFR 30.71, SCHEDULE B, LIMIT OF 0.1 ęCi AND IS, | | THEREFORE, EXEMPT FROM LICENSING FROM AN NRC PERSPECTIVE. THE LICENSEE WAS | | NOTIFIED OF THIS INCIDENT AT 1900 ON AUGUST 10, 1995, BY THE VENDOR. | | | | IN JUNE 1994, TWENTY AREA RADIATION MONITORS WERE SHIPPED TO THE VENDOR FOR | | REPAIR. ALL RADIOACTIVE SOURCES WERE BELIEVED TO BE REMOVED FROM THE | | DETECTOR PRIOR TO SHIPMENT. HOWEVER, THIS CANNOT BE VERIFIED AT THIS TIME, | | AND THERE IS AT LEAST SOME CHANCE THAT ALL SOURCES WERE NOT REMOVED PRIOR | | TO SHIPMENT. THE PROBLEM WAS DISCOVERED WHEN AN OBJECT FELL FROM THE AREA | | OF THE DETECTOR THAT ORIGINALLY CONTAINED THE 0.02 ęCi STRONTIUM-90 SOURCE, | | AND A WORKER WAS CONCERNED THAT THE OBJECT MAY HAVE BEEN A RADIOACTIVE | | SOURCE. THE OBJECT COULD NOT BE LOCATED BY THE WORKER, AND THE WORK AREA | | WAS SUBSEQUENTLY ISOLATED. | | | | THE LICENSEE DISPATCHED A CORPORATE HEALTH PHYSICIST TO INTEGRATED | | RESOURCES TO PROVIDE FOLLOWUP RADIATION SURVEYS. THIS REPRESENTATIVE IS | | EXPECTED TO ARRIVE LATE THIS EVENING, AND SURVEYS OF THE FACILITY ARE | | EXPECTED TO OCCUR EARLY TOMORROW. ANY SOURCES FOUND WILL BE TAKEN BY THE | | LICENSEE REPRESENTATIVE AND RETURNED TO DRESDEN NUCLEAR POWER STATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29187 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 08/12/95 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 10:26 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 08/12/95 | +------------------------------------------------+EVENT TIME: 09:28[EDT]| |NRC NOTIFIED BY: CHRIS MASSARO |LAST UPDATE DATE: 08/12/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES JOYNER RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 34 POWER OPERATION | 34 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A KEY CHAIN THAT CONTAINED KEYS TO THE PROTECTED AND VITAL AREAS WAS | | TEMPORARILY LOST FOR APPROXIMATELY 34 MINUTES. THE KEYS HAVE SINCE BEEN | | RECOVERED, AND NO BREACHES IN SECURITY OCCURRED AS A RESULT OF THIS EVENT. | | COMPENSATORY MEASURES WERE TAKEN UPON DISCOVERY. SEE HOO LOG FOR DETAILS. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29188 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 08/12/95 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 16:27 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 08/12/95 | +------------------------------------------------+EVENT TIME: 12:47[CDT]| |NRC NOTIFIED BY: RUSTICK |LAST UPDATE DATE: 08/12/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |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 | | 2 | N Y 49 POWER OPERATION | 49 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE REFRIGERATION CONDENSING UNIT OF THE CONTROL ROOM EMERGENCY FILTRATION | | SYSTEM WOULD NOT START DURING THE MONTHLY TEST. | | | | THE LICENSEE REPORTED THAT DURING THE PERFORMANCE OF QCOF 5750-2 (CONTROL | | ROOM EMERGENCY FILTRATION SYSTEM MONTHLY TEST), THE REFRIGERATION | | CONDENSING UNIT (RCU) WOULD NOT START. THE RCU IS REQUIRED TO BE OPERABLE | | TO ALLOW THE CONTROL ROOM EMERGENCY AIR FILTRATION UNIT TO REMAIN OPERABLE. | | | | THE CONTROL ROOM EMERGENCY FILTRATION SYSTEM IS A SINGLE TRAIN SYSTEM. THE | | LICENSEE HAS ENTERED TECH SPEC 3.8.H.1.a, WHICH CARRIES A 14 DAY LCO. THE | | LICENSEE WILL BE INVESTIGATING THE CAUSE OF THE PROBLEM WITH THE RCU. THE | | LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29189 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 08/13/95 | |UNIT: [2] [ ] [ ] STATE: PA |NOTIFICATION TIME: 06:08 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 08/13/95 | +------------------------------------------------+EVENT TIME: 05:52[EDT]| |NRC NOTIFIED BY: JOHN BOUCK |LAST UPDATE DATE: 08/13/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES JOYNER RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 90 POWER OPERATION | 88 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECH SPEC REQUIRED SHUTDOWN DUE TO SLOW CONTROL ROD SCRAM TIMES. | | | | AT 02:53 THE REACTOR ENGINEERS INFORMED THE OPERATIONS DEPARTMENT THAT | | TECHNICAL SPECIFICATION 3.3.C.2 WAS NOT MET. THIS TECHNICAL SPECIFICATION | | REQUIRES THAT THE AVERAGE OF THE SCRAM INSERTION TIMES FOR THE THREE | | FASTEST CONTROL RODS OF ALL GROUPS OF FOUR CONTROL RODS IN A TWO BY TWO | | ARRAY SHALL BE NO GREATER THAN 0.398 SECONDS FOR RODS THAT ARE 5 PERCENT | | INSERTED FROM FULLY WITHDRAWN. THE ACTUAL ROD TESTING WAS DONE 1 NOTCH | | AWAY FROM THE 5 PERCENT LIMIT SO THE 0.398 SECOND TIME REQUIREMENT WAS | | CORRECTED TO 0.382 SECONDS. THE ACTUAL TIME MEASURED WAS 0.398 SECONDS FOR | | THREE RODS IN ONE GROUP WHICH IS GREATER THAN THE CORRECTED LIMIT. | | | | DUE TO THIS LIMIT NOT BEING MET TECH SPECS REQUIRE THAT AN ORDERLY SHUTDOWN | | SHALL BE INITIATED AND THE REACTOR SHALL BE IN A COLD SHUTDOWN CONDITION | | WITHIN 24 HOURS. THE ACTUAL TECH SPEC SHUTDOWN (POWER REDUCTION) COMMENCED | | AT 05:52. | | | | THE LICENSEE IS CONTINUING TO INVESTIGATE THE PROBLEM, AND PLANS TO REPLACE | | THE SCRAM SOLENOID PILOT VALVES FOR THE AFFECTED RODS IN THE GROUP. THE | | LAST TIME THE SET OF RODS THAT FAILED WERE TESTED WAS AT THE END OF THE | | LAST REFUELING OUTAGE (APPROXIMATELY NOVEMBER OF 1994). | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29190 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 08/13/95 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 10:58 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 08/13/95 | +------------------------------------------------+EVENT TIME: 10:33[EDT]| |NRC NOTIFIED BY: DAVE HELD |LAST UPDATE DATE: 08/13/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES JOYNER 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 +------------------------------------------------------------------------------+ | REACTOR TRIP DUE TO TURBINE TRIP CAUSED BY A BLOWN FUSE FOR THE MAIN | | GENERATOR VOLTAGE REGULATOR. | | | | THE POST TRIP RESPONSE WAS NORMAL. ALL RODS FULLY INSERTED. NO PRIMARY OR | | SECONDARY RELIEFS OR PORVS LIFTED AS A RESULT OF THE TRIP. THE MAIN | | CONDENSER IS AVAILABLE AS A HEAT SINK, AND STEAM GENERATOR WATER LEVEL WAS | | RESTORED AND IS BEING MAINTAINED BY THE AUXILIARY FEED WATER SYSTEM. ALL | | EMERGENCY CORE COOLING SYSTEMS AND EMERGENCY DIESEL GENERATORS ARE | | OPERABLE. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE BLOWN FUSE. THE LICENSEE | | WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29191 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 08/13/95 | |UNIT: [1] [2] [ ] STATE: NC |NOTIFICATION TIME: 13:14 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 08/13/95 | +------------------------------------------------+EVENT TIME: 10:45[EDT]| |NRC NOTIFIED BY: ATKINSON |LAST UPDATE DATE: 08/13/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JEROME BLAKE 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFF-SITE NOTIFICATIONS DUE TO RELEASE OF OIL TO THE FISH FLUME. | | | | THE OIL RESERVOIR OF THE '1A' SERVICE WATER TRAVELING SCREEN GEARBOX FILLED | | WITH WATER AND FORCED OIL FROM THE UPPER SIGHTGLASS. AN ESTIMATED 15-20 | | GALLONS OF MEDIUM/HEAVY GRADE LUBRICATING OIL WENT INTO THE FISH FLUME AND | | FROM THERE WAS CONTAINED IN THE DIKED AREA OF THE HOLDING POND. THE | | LICENSEE MADE NOTIFICATIONS TO THE STATE OF NORTH CAROLINA AND THE NATIONAL | | RESPONSE CENTER. | | | | THE OIL LEAK WAS STOPPED UPON DISCOVERY. OIL ABSORBENT MATERIAL AND A | | SMALL OIL BOOM WERE USED TO COLLECT APPROXIMATELY 1-2 GALLONS OF OIL. THE | | REST OF THE OIL HAD ALREADY ENTERED THE FISH FLUME. INVESTIGATION REVEALED | | THAT THE OIL IS CONTAINED IN THE DIKED AREA OF THE HOLDING POND. OIL | | CLEANUP ACTIVITIES ARE IN PROGRESS. | | | | THE LICENSEE INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29192 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 08/13/95 | |UNIT: [1] [2] [ ] STATE: WI |NOTIFICATION TIME: 13:54 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 08/13/95 | +------------------------------------------------+EVENT TIME: 12:00[CDT]| |NRC NOTIFIED BY: ARGALL |LAST UPDATE DATE: 08/13/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFEGUARDS SYSTEM DEGRADATION RELATED TO PERIMETER MONITORING DUE TO A | | SECURITY COMPUTER PROBLEM. FULL COMPENSATORY MEASURES WERE IN EFFECT FOR | | ALL ZONES WITHIN 25 MINUTES. THE LICENSEE WILL INFORM THE RESIDENT | | INSPECTOR. SEE HOO LOG FOR DETAILS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29193 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 08/13/95 | |UNIT: [1] [2] [3] STATE: SC |NOTIFICATION TIME: 22:10 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 08/13/95 | +------------------------------------------------+EVENT TIME: 22:00[EDT]| |NRC NOTIFIED BY: OWENS |LAST UPDATE DATE: 08/13/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JEROME BLAKE 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFF-SITE NOTIFICATIONS DUE TO A LIGHT OIL SHEEN NOTICED IN THE PLANT INTAKE | | CANAL. | | | | THE LICENSEE INFORMED THE COUNTY, THE STATE AND THE NATIONAL RESPONSE | | CENTER OF A LIGHT OIL SHEEN THAT WAS NOTICED ON THE PLANT INTAKE CANAL. THE | | TIME, AMOUNT AND ORIGIN OF THE RELEASE IS UNKNOWN AND BEING INVESTIGATED. | | THE LIGHT OIL SHEEN COVERS AN AREA OF ABOUT A QUARTER ACRE IN THE INTAKE | | CANAL. THE LICENSEE HAS INVESTIGATED THE EQUIPMENT IN THE AREA, AND CANNOT | | LOCATE THE SOURCE. FURTHER CLEANUP AND INVESTIGATION WILL BE PERFORMED IN | | DAYLIGHT TOMORROW MORNING. THE LICENSEE WILL INFORM THE RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29194 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 08/14/95 | |UNIT: [ ] [ ] [3] STATE: SC |NOTIFICATION TIME: 06:25 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 08/14/95 | +------------------------------------------------+EVENT TIME: 04:56[EDT]| |NRC NOTIFIED BY: MARTY STASNY |LAST UPDATE DATE: 08/14/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JEROME BLAKE RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR SCRAM DUE TO ONE GROUP OF CONTROL RODS DROPPING INTO THE | | CORE. | | | | THE REACTOR SCRAM WAS CAUSED BY THE VARIABLE LOW RCS PRESSURE TRIP SIGNAL. | | THE POST TRIP RESPONSE WAS NORMAL. ALL RODS INSERTED AND NO PRIMARY RELIEF | | VALVES OR PORVS OPENED. THE STEAM GENERATOR SAFETIES DID LIFT AND RESEAT | | AS A RESULT OF THE TRANSIENT. THE MAIN CONDENSER IS AVAILABLE AS A HEAT | | SINK AND THE STEAM GENERATOR WATER LEVELS ARE BEING MAINTAINED BY THE | | NORMAL FEED SYSTEM. ALL BUSSES TRANSFERRED AS EXPECTED AND ALL EMERGENCY | | POWER SUPPLIES ARE OPERABLE. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE CONTROL RODS DROPPING INTO | | THE CORE. THE CONTROL ROD GROUP THAT DROPPED WAS GROUP 5. THE LICENSEE | | HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+