U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/26/95 - 05/30/95 ** EVENT NUMBERS ** 28716 28733 28764 28853 28854 28855 28856 28857 28858 28859 28860 28861 28862 28863 28864 28865 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28716 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 04/23/95 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 19:00 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 04/23/95 | +------------------------------------------------+EVENT TIME: 17:11[EDT]| |NRC NOTIFIED BY: WAHLENMEYER |LAST UPDATE DATE: 05/26/95 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND 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 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AN INVALID CONTAINMENT ISOLATION SIGNAL WAS ISSUED DURING PREPARATION FOR A | | RECIRCULATION SPRAY PUMP TEST DUE TO AN OPERATOR ERROR. | | | | WHILE PREPARING FOR A "RECIRCULATION SPRAY PUMP DRY BUMP" TEST, A | | TECHNICIAN INADVERTENTLY PLACED THE "MULTIPLEXER TEST" SWITCH TO THE | | "INHIBIT" POSITION WHILE RETURNING TRAIN "B" OF THE SOLID STATE PROTECTION | | (SSP) SYSTEM TO SERVICE INSTEAD OF THE "OUTPUT ERROR INHIBIT" SWITCH. THIS | | RESULTED IN THE ISSUANCE OF A TRAIN "B" SAFETY INJECTION SIGNAL AND AN | | ASSOCIATED CONTAINMENT ISOLATION SIGNAL, FEEDWATER ISOLATION SIGNAL (FWIS), | | AND MAIN STEAM LINE (MSL) ISOLATION SIGNAL. THESE ESF ACTUATION SIGNALS | | RESULTED IN THE CLOSURE OF A SERVICE WATER ISOLATION VALVE, THE CLOSURE OF | | TWO SAFETY INJECTION VALVES, AND THE ACTUATION OF A VENTILATION FAN. ALL | | OTHER EQUIPMENT REMAINED IN ITS PRE-ESF, SHUTDOWN CONFIGURATION. NO WATER | | WAS INJECTED OR PUMPS WERE ACTUATED. | | | | THE AFFECTED EQUIPMENT WAS RETURNED TO ITS ORIGINAL CONFIGURATION AND THE | | ESF LOGIC RESET. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | ***UPDATE ON 5/26/95 @ 14:23 BY DULICK TO GOULD*** THE LICENSEE IS | | RETRACTING THIS EVENT SINCE THE ISOLATION SIGNAL WAS DETERMINED TO BE AN | | INVALID SIGNAL ON A SYSTEM THAT HAD BEEN PROPERLY REMOVED FROM SERVICE. | | THEREFORE IT SHOULD NOT HAVE BEEN A REPORTABLE EVENT. THE RI WAS INFORMED. | | R1DO (NICHOLSON) INFORMED. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28733 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 04/28/95 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 01:20 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 04/28/95 | +------------------------------------------------+EVENT TIME: 00:55[EDT]| |NRC NOTIFIED BY: DUBAY |LAST UPDATE DATE: 05/26/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -CHEMICAL ADDITION LINES CONNECTED TO RBCCW SYSTEM NOT SEISMICALLY MOUNTED- | | | | DURING A ROUTINE VISUAL PLANT INSPECTION WITH UNIT 2 IN A REFUELING OUTAGE, | | LICENSEE DISCOVERED THAT THE 3/4 INCH DIAMETER CHEMICAL ADDITION SYSTEM | | LINES ARE NOT SEISMICALLY MOUNTED. THESE LINES ARE CONNECTED TO BOTH | | TRAINS OF THE UNIT 2 REACTOR BUILDING CLOSED COOLING WATER (RBCCW) SYSTEM | | WHICH IS SEISMICALLY MOUNTED. THE ISOLATION VALVES BETWEEN BOTH TRAINS | | OF THESE TWO SYSTEMS ARE NORMALLY OPEN DURING ALL PLANT OPERATING MODES | | BECAUSE THESE MANUALLY OPERATED VALVES ARE INSTALLED IN A REMOTE LOCATION | | AND ARE NOT EASILY ACCESSIBLE TO PLANT OPERATORS. A SEISMIC EVENT COULD | | CAUSE A RUPTURE OF THE NON-SEISMICALLY MOUNTED CHEMICAL ADDITION LINES AND | | PROVIDE A LEAK PATH FROM THE RBCCW SYSTEM BACK THROUGH THE OPEN SYSTEM | | ISOLATION VALVES. | | | | LICENSEE CLOSED BOTH ISOLATION VALVES BETWEEN THESE TWO SYSTEMS. | | | | THIS CONDITION HAS EXISTED WHEN UNIT 2 WAS IN POWER OPERATIONS. | | | | LICENSEE IS DETERMINING CORRECTIVE ACTIONS WHICH INCLUDE SEISMICALLY | | MOUNTING THE CHEMICAL ADDITION SYSTEM, ATTACHING REACH RODS TO THESE | | MANUALLY OPERATED SYSTEM ISOLATION VALVES, REDESIGNATING THESE MANUALLY | | OPERATED SYSTEM ISOLATION VALVES AS NORMALLY CLOSED DURING ALL PLANT | | OPERATING MODES, AND REVISING APPROPRIATE DRAWINGS, PROCEDURES, DOCUMENTS, | | AND TRAINING MATERIALS. | | | | THIS EVENT HAS NO EFFECT ON UNITS 1 AND 3. | | | | LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT INSPECTOR. | | | | ***UPDATE ON 5/26/95 @ 14:19 BY BORCHERT TO GOULD*** THE LICENSEE IS | | RETRACTING THIS EVENT SINCE THE RBCCW SYSTEM WAS DETERMINED TO BE OPERABLE. | | THEY EVALUATED TWO POSSIBLE FAILURE MODES CONCERNING THIS ISSUE: (1) AN | | EVENT OCCURRING(LOCA, STEAM LINE BREAK, ETC) COINCIDENT WITH AN ACTIVE | | FAILURE(VALVE NOT CLOSING, PUMP NOT STARTING, ETC), AND (2) HAVING A | | SEISMIC EVENT ALONG WITH A LOSS OF NORMAL POWER, AND HAVE VERIFIED THAT THE | | RBCCW SYSTEM WOULD CONTINUE TO PERFORM ITS REQUIRED SAFETY FUNCTION IN A | | DESIGN BASIS ACCIDENT, EVEN WITH VALVES "2-RB-50A" & "2-RB-50B" OPEN. SINCE | | THE PLANT WAS (AND STILL IS) WITHIN ITS DESIGN BASIS, THIS EVENT WAS NOT | | REPORTABLE. THE RI WILL BE INFORMED. R1DO (NICHOLSON) INFORMED. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28764 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 05/04/95 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 12:52 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 04/30/95 | +------------------------------------------------+EVENT TIME: 11:30[EDT]| |NRC NOTIFIED BY: MARK MLACHAK |LAST UPDATE DATE: 05/26/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 33 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL FOR RADIATION RELEASE DUE TO INBOARD AND OUTBOARD MSIV LEAKAGE | | CONTROL SYSTEMS INOPERABLE | | | | DURING THE 4TH REFUELING OUTAGE THE OUTBOARD MSIVs BEFORE SEAT DRAIN LINES | | WERE SEALED OFF TO ELIMINATE A PREVIOUSLY UNIDENTIFIED AND UNANALYZED PATH | | FOR SECONDARY CONTAINMENT BYPASS LEAKAGE. THIS MODIFICATION INTRODUCED A | | SITUATION WHEREIN THE INBOARD MSIV LEAKAGE CONTROL SYSTEM (MSIV-LCS) IS | | CONSIDERED INOPERABLE IN OPERATIONAL CONDITIONS 1,2 & 3 BELOW 50% OF RATED | | THERMAL POWER (RTP). THE INOPERABILITY IS DUE TO ACCUMULATED WATER IN THE | | BOTTOM OF THE STEAM LINE BETWEEN THE MSIVs FROM CONDENSATION AT LOW STEAM | | FLOWS. THIS MODIFICATION HAS, IN EFFECT, MADE THE MSIV-LCS A SINGLE TRAIN | | SAFETY SYSTEM BELOW 50% RTP. DURING POWER ESCALATION ABOVE 50% RTP, | | OPERABILITY OF THE INBOARD MSIV-LCS IS RESTORED BECAUSE THE CONDENSATE | | COLLECTED BETWEEN THE MSIVs IS SWEPT DOWNSTREAM BY THE STEAM VELOCITY AND | | DRAINED OUT THROUGH DOWNSTREAM DRAINS. | | | | ON APRIL 30, 1995, AT 1130, (WITH THE PLANT AT 33% RTP) TECHNICAL | | SPECIFICATION SURVEILLANCE TESTING RESULTED IN THE DISCOVERY THAT THE | | OUTBOARD MSIV-LCS WAS INOPERABLE DUE TO A BLOWER NOT STARTING AS REQUIRED. | | THE INOPERABILITY OF BOTH THE INBOARD AND OUTBOARD MSIV-LCS RESULTED IN | | ENTRY INTO TECHNICAL SPECIFICATION 3.0.3 AND ALSO AN EVENT OR CONDITION | | THAT ALONE COULD HAVE PREVENTED THE FULFILLMENT OF THE SAFETY FUNCTION OF A | | SYSTEM NEEDED TO CONTROL THE RELEASE OF RADIOACTIVE MATERIAL. THIS IS THE | | BASIS OF THE NOTIFICATION. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | ***UPDATE ON 5/26.95 @ 15:10 BY COOK TO GOULD*** | | THE LICENSEE IS RETRACTING THIS EVENT SINCE THEY DETERMINED THAT THE | | INBOARD LCS WAS OPERABLE AT THE TIME THEY DISCOVERED THAT THE OUTBOARD LCS | | WAS INOPERABLE. BY BEING IN THIS CONDITION, THEY DID NOT LOSE THE SAFETY | | FUNCTION OR ENTER TS 3.0.3., THEREFORE IT SHOULD NOT HAVE BEEN REPORTED. | | THE RI WILL BE INFORMED. R3DO (HOLT) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28853 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 05/26/95 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 13:42 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 05/26/95 | +------------------------------------------------+EVENT TIME: 00:00[EDT]| |NRC NOTIFIED BY: ZALLNICK |LAST UPDATE DATE: 05/26/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |CCCC 21.21 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 +------------------------------------------------------------------------------+ | A WYLE LAB REPORT RESULTED IN THE CALCULATION OF A NON-CONSERVATIVE SERVICE | | LIFE, AND CONSEQUENTLY A NON-CONSERVATIVE CHANGE-OUT FREQUENCY WAS | | ESTABLISHED FOR VARIOUS AGASTAT GP RELAYS. | | | | THE WYLE LAB REPORT STATED THAT VARIOUS AGASTAT GP SERIES RELAYS HAD A | | SERVICE LIFE OF 26.3 YRS WHICH NIAGARA MOHAWK HAD IMPLEMENTED IN THEIR | | PROCEDURES. THE REPORT USED AN ACTIVATION ENERGY, FOR CALCULATING THE LIFE | | OF THE RELAY BOBBIN MATERIAL, WHICH WAS HIGHER THAN WHAT THEY SHOULD HAVE | | USED FOR THAT MATERIAL. IF THEY HAD USED THE LOWER MORE CONSERVATIVE VALUE, | | THE SERVICE LIFE OF THE RELAYS WOULD HAVE BEEN LESS. WITH THIS CONDITION | | EXISTING, THERE WAS A POTENTIAL FOR THE CORE SPRAY SYSTEM BECOMING | | INOPERABLE WITH THE FAILURE OF THESE RELAYS. IMMEDIATE CORRECTIVE ACTION | | WAS TO REPLACE THE SUBJECT AGASTAT GP RELAYS. | | | | COPY OF REPORT WAS FAXED TO V. HODGE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28854 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 05/26/95 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 14:55 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 05/26/95 | +------------------------------------------------+EVENT TIME: 14:35[EDT]| |NRC NOTIFIED BY: DONOVAN |LAST UPDATE DATE: 05/26/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LARRY NICHOLSON 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 +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED A DESIGN ERROR IN THE SPENT FUEL POOL COOLING | | SYSTEM. | | | | THIS PROBLEM WAS DISCOVERED WHILE THEY WERE REVIEWING DESIGN ANALYSIS FOR | | PIPING ASSOCIATED WITH THE SPENT FUEL POOL COOLING SYSTEM. THEY FOUND THAT | | THEIR RECORD ANALYSIS ADDRESSES OPERATING TEMPERATURES LOWER THAN WHAT IS | | SHOWN IN THEIR DESIGN BASIS DOCUMENTATION. AN OPERABILITY ANALYSIS HAS BEEN | | CONDUCTED, AND IT SUCCESSFULLY DEMONSTRATES SYSTEM OPERABILITY UP TO THE | | MAXIMUM EXPECTED POOL TEMPERATURE OF 150øF. FURTHER INVESTIGATION IS BEING | | CONDUCTED TO DETERMINE THE PROPER CORRECTIVE ACTION TO BE TAKEN. THE RI | | ALONG WITH STATE AND LOCAL AGENCIES HAVE BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 28855 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SYNCOR INTERNATIONAL |NOTIFICATION DATE: 05/26/95 | | CITY: SEAFORD REGION: 1 |NOTIFICATION TIME: 15:00 [ET]| | COUNTY: STATE: DE |EVENT DATE: 05/26/95 | |LICENSE#: 07-30158-01MD AGREEMENT: N |EVENT TIME: 13:30[EDT]| | DOCKET: |LAST UPDATE DATE: 05/26/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |LARRY NICHOLSON RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: PELLICCIARINI | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | |IBBE 30.50(b)(2)(i) ACCID MIT EQUIP FAILS | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE SYNCOR INTERNATIONAL FACILITY IN SEAFORD, DE REPORTED THAT THEY HAD A | | MALFUNCTIONING FUME HOOD. | | | | THE LICENSEE DISCOVERED THAT THE FUME HOOD AT THE SEAFORD, DE FACILITY WAS | | NOT OPERATING. IT IS USED FOR THE STORAGE OF IODINE-131 AND XENON-133. | | THERE WERE APPROXIMATELY 90 MILLICURIES OF IODINE-131 AND 192 MILLICURIES | | OF XENON-133 BEING STORED UNDER THE HOOD. THEY HAVE ATTEMPTED TO CONTACT A | | REPAIR PERSON TO COME OUT AND LOOK AT THE HOOD. IN THE INTERIM THEY WILL | | RELOCATE THE MATERIALS TO AN ADJACENT SMALLER VENTILATION CABINET WITH A | | LOWER FLOW RATE FOR STORAGE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28856 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 05/26/95 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 20:25 [ET]| |RX TYPE: [3] CE |EVENT DATE: 05/26/95 | +------------------------------------------------+EVENT TIME: 19:24[CDT]| |NRC NOTIFIED BY: WHIDDON |LAST UPDATE DATE: 05/26/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DWIGHT CHAMBERLAIN 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 +------------------------------------------------------------------------------+ | THE LICENSEE DECLARED THE "B" LPSI, "B" HPSI AND "B" CONTAINMENT SPRAY | | SYSTEMS INOPERABLE, PLACING THE PLANT IN A 72HR LCO ACTION STATEMENT. | | | | AT 10:46 CDT ON 5/25/95, A 72 HR LCO FOR THE "B" TRAINS OF LPSI, HPSI AND | | CONTAINMENT SPRAY WAS ENTERED AS A RESULT OF INFORMATION GATHERED DURING | | THE PERFORMANCE OF AN ESSENTIAL CHILLED WATER FLOW BALANCE TEST PERFORMED | | ON THE "B" TRAIN OF ESSENTIAL CHILLED WATER. DURING THE PERFORMANCE OF | | THIS TEST, THE LICENSEE DISCOVERED THAT THE CHILLED WATER TO A "B" | | SAFEGUARDS PUMP ROOM COOLER WAS SIGNIFICANTLY LOWER THAN REQUIRED. THE | | AFFECTED ROOM COOLER FLOW HAS BEEN RESTORED TO NORMAL FLOW BY ADJUSTING ONE | | OF THE ROOM COOLER'S MANUAL ISOLATION VALVES. FURTHER INVESTIGATION WILL | | BE MADE TO DETERMINE THE CAUSE OF THE CHILLED WATER LOW FLOW. | | | | THE AFFECTED ROOM COOLER IS ONE OF TWO 50% CAPACITY ROOM COOLERS THAT | | PROVIDES AREA COOLING FOR THE "B" TRAIN OF HPSI, LPSI AND CONTAINMENT SPRAY | | PUMPS. THE ROOM COOLERS ARE NOT SPECIFICALLY CALLED OUT IN THE TS, HOWEVER, | | THEY DO PERFORM A SUPPORT FUNCTION IN THAT THEY PROVIDE FOR AREA COOLING. | | | | AN EVALUATION WILL BE PERFORMED TO DETERMINE IF THERE ARE ANY ADVERSE | | AFFECTS ASSOCIATED WITH HAVING ONLY ONE ROOM COOLER TO SUPPORT AREA COOLING | | DURING SAFEGUARDS PUMP OPERATION UNDER ACCIDENT CONDITIONS. | | | | IT WAS DETERMINED AT 19:24 CDT 5/26/95 THAT THE EVENT SHOULD BE A ONE HOUR | | REPORTABLE FOR BEING OUTSIDE THE DESIGN BASIS. | | | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28857 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 05/27/95 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 01:18 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 05/26/95 | +------------------------------------------------+EVENT TIME: 22:30[CDT]| |NRC NOTIFIED BY: SCHOTTEL |LAST UPDATE DATE: 05/27/95 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HOLT RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOOSE BATTERY TERMINAL CONNECTION COULD HAVE PREVENTED PROPER OPERATION OF | | HIGH PRESSURE CORE SPRAY (HPCS) SYSTEM. | | | | DURING PERFORMANCE OF SURVEILLANCE "CPS 9382.02" (BATTERY ELECTROLYTE | | MEASUREMENT) ON THE DIVISION 4 BATTERY, TECHNICIANS NOTICED A LOOSE | | CONNECTION BETWEEN THE CELL #1 TERMINAL AND THE CABLE TO THE MOTOR CONTROL | | CENTER. THIS LOOSE CONNECTION COULD HAVE PREVENTED THE PROPER OPERATION OF | | THE HPCS SYSTEM. THE LOOSE CONNECTION WAS REPAIRED WHEN TECHNICIANS | | TIGHTENED THE MOUNTING BOLTS TO THE PROPER TORQUE. THE LICENSEE IS | | INVESTIGATING THE CAUSE OF THE LOOSE CONNECTION. | | | | FOLLOWING DISCOVERY OF THE LOOSE CONNECTION, THE LICENSEE CHECKED THE OTHER | | DIVISIONAL BATTERIES FOR LOOSE CONNECTIONS, BUT NONE WERE FOUND. THE | | LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28858 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 05/28/95 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 01:34 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 05/27/95 | +------------------------------------------------+EVENT TIME: 05:33[CDT]| |NRC NOTIFIED BY: REIS |LAST UPDATE DATE: 05/28/95 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HOLT RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | SECURITY EVENT RELATED TO GUARD FOUND SLEEPING ON WATCH. NOT IMMEDIATELY | | COMPENSATED ON DISCOVERY, BUT COMPENSATED NOW. SEE HOO LOG FOR DETAILS. | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28859 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 05/28/95 | |UNIT: [ ] [ ] [3] STATE: IL |NOTIFICATION TIME: 11:51 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 05/28/95 | +------------------------------------------------+EVENT TIME: 09:23[CDT]| |NRC NOTIFIED BY: VERCELLI |LAST UPDATE DATE: 05/28/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BJ HOLT/AXELSON 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR SCRAM FROM 100% POWER DUE TO A TURBINE TRIP. | | | | THE CAUSE OF THE TURBINE TRIP IS BEING INVESTIGATED, BUT THE FIRST ALARM | | RECEIVED PRIOR TO THE TRIP WAS HIGH TURBINE VIBRATION. THEY ALSO RECEIVED | | COMPLETE GROUP 2 AND GROUP 3 ISOLATIONS ON REACTOR LOW WATER LEVEL (+8"). | | ALL RODS FULLY INSERTED AND THERE WAS NO ECCS INJECTION. NO SAFETY/RELIEF | | VALVES LIFTED FOLLOWING THE SCRAM. AFTER THE SCRAM, THE "3-203-1A" MAIN | | STEAM ISOLATION VALVE STARTED TO CLOSE ON LOSS OF POWER TO THE AC & DC | | PILOT VALVES DURING THE POWER TRANSFER. THE VALVE DID NOT CLOSE COMPLETELY | | UNTIL IT WAS MANUALLY CLOSED WITH THE CONTROL SWITCH. THE OUTBOARD VALVE | | WAS ALSO CLOSED TO ENSURE THE LINE WAS ISOLATED. NO GROUP 1 ISOLATION | | SIGNAL WAS RECEIVED. DECAY HEAT IS BEING HANDLED BY THE CONDENSER VIA THE | | BYPASS VALVES. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28860 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 05/28/95 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 12:51 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 05/28/95 | +------------------------------------------------+EVENT TIME: 10:46[CDT]| |NRC NOTIFIED BY: HELD |LAST UPDATE DATE: 05/28/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BJ HOLT/AXELSON RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 92 POWER OPERATION | 92 POWER OPERATION | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DECLARED THE STANDBY GAS TREATMENT SYSTEM "WIDE RANGE GAS | | MONITOR HIGH RANGE" INOPERABLE, PLACING THE PLANT IN A 72 HR LCO. | | | | THE HIGH RANGE WAS DISCOVERED TO HAVE SPIKED AND SUBSEQUENTLY RETURNED TO | | NORMAL RANGE. NEITHER UNITS' STANDBY GAS TREATMENT SYSTEM WAS IN OPERATION | | AT THE TIME. A SOURCE CHECK WAS PERFORMED SUCCESSFULLY FOR ALL THREE | | CHANNELS OF THE STANDBY GAS WIDE RANGE GAS MONITOR. AS A CONSERVATIVE | | MEASURE THE HIGH RANGE WAS DECLARED INOPERABLE(AT 09:50) UNTIL THE SOURCE | | OF THE HIGH RANGE SPIKING IS DETERMINED. | | | | WHILE VERIFYING THE AVAILABILITY OF THE ALTERNATE SAMPLING SYSTEM A PROBLEM | | WAS IDENTIFIED WITH WITH THE SOURCE CHECK. THE TS REQUIRES AN ALTERNATE | | MONITORING METHOD TO BE IN OPERATION WITHIN 72 HRS. THE ALTERNATE | | MONITORING SYSTEM WAS DECLARED INOPERABLE AT 10:46. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28861 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 05/28/95 | |UNIT: [1] [ ] [ ] STATE: AZ |NOTIFICATION TIME: 20:35 [ET]| |RX TYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 05/28/95 | +------------------------------------------------+EVENT TIME: 14:15[MST]| |NRC NOTIFIED BY: GILL/NAT RESPONSE CTR |LAST UPDATE DATE: 05/28/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DWIGHT CHAMBERLAIN RDO | |NINF INFORMATION ONLY | | |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 25 POWER OPERATION | 25 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE NATIONAL RESPONSE CENTER WAS NOTIFIED BY THE LICENSEE OF A SULFURIC | | ACID SPILL. | | | | THE PLANT HAD A 2" PIPELINE LEAK 1700 LBS OF SULFURIC ACID ONTO AN ASPHALT | | PAVEMENT AREA AT THE SITE. THE PIPELINE FAILURE WAS DUE TO CORROSION. THE | | DISCHARGE HAS BEEN SECURED AND THE ACID CONTAINED. NO RECOVERY HAS BEEN | | ATTEMPTED YET, BUT THEY ARE IN THE PROCESS OF NEUTRALIZING THE ACID. | | | | ***UPDATE AT 22:10 BY EKLUND(PALO VERDE) TO GOULD*** THE LICENSEE WAS | | REPORTING THE SULFURIC ACID LEAK NEAR THE TURBINE BUILDING WHICH OCCURRED | | AT APPROX 16:00 MST. THEY HAD APPROXIMATELY 120 GALS LEAK FROM A PIN HOLE | | LEAK IN AN ELBOW ON THE SULFURIC ACID SUPPLY LINE TO THE SULFURIC ACID DAY | | TANK. THEY NOTIFIED THE NATIONAL RESPONSE CENTER AND THE ARIZONA DEPARTMENT | | OF ENVIRONMENTAL QUALITY. THE AREA HAS BEEN ROPED OFF AND THE CLEANUP AND | | RECOVERY WILL FOLLOW. THERE WERE NO INJURIES. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28862 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 05/28/95 | |UNIT: [ ] [ ] [3] STATE: IL |NOTIFICATION TIME: 23:18 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 05/28/95 | +------------------------------------------------+EVENT TIME: 20:15[CDT]| |NRC NOTIFIED BY: POLSON |LAST UPDATE DATE: 05/28/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BJ HOLT RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE PLANT ENTERED A 7 DAY LCO ACTION STATEMENT WHEN THE REACTOR PRESSURE | | ROSE ABOVE 150 PSIG WITH THE ISOLATION CONDENSER ISOLATED. | | | | WHILE COOLING DOWN FROM AN EARLIER REACTOR SCRAM, THE ISOLATION CONDENSER | | WAS ISOLATED, PER SHUTDOWN PROCEDURE, WHEN REACTOR PRESSURE DROPPED TO LESS | | THAN 150 PSIG. LATER THE GLAND SEAL STEAM SYSTEM WAS ISOLATED, PER | | PROCEDURE, WHEN CONDENSER VACUUM DECREASED TO 0" Hg. AFTER THIS SYSTEM WAS | | ISOLATED, THE REACTOR BEGAN TO HEATUP(APPROX 6F). PRESSURE THEN ROSE TO | | APPROXIMATELY 154 PSIG. TS REQUIRES THE ISOLATION CONDENSER TO BE OPERABLE | | ABOVE 150 PSIG. THE COOLDOWN WAS REESTABLISHED BEFORE THE ISOLATION | | CONDENSER COULD BE UNISOLATED. THE 7 DAY LCO WAS TERMINATED 5 MINS LATER | | WHEN PRESSURE DROPPED BELOW 150 PSIG. THEY ARE INVESTIGATING THE CAUSE OF | | THE REACTOR HEATUP. THE RI WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28863 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 05/29/95 | |UNIT: [1] [2] [ ] STATE: TN |NOTIFICATION TIME: 14:55 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/29/95 | +------------------------------------------------+EVENT TIME: 14:20[EDT]| |NRC NOTIFIED BY: NORMAN THOMAS |LAST UPDATE DATE: 05/29/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |THOMAS PEEBLES RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |BRUCE BOGER EO | |ANFF 50.72(b)(1)(iii) FIRE (OFFSITE) |WITSBERGER FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 99 POWER OPERATION | 99 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -UNUSUAL EVENT DECLARED DUE TO OFFSITE FIRE LASTING LONGER THAN 10 MINUTES- | | | | AT 1409, CONTROL ROOM OPERATORS WERE NOTIFIED THAT FIRE AND SMOKE WERE | | COMING FROM THE ROOF OF A STORAGE BUILDING THAT CONTAINED LICENSEE SECURITY | | GUARD SMALL FIREARMS AND AMMUNITION. THE 15 FEET X 30 FEET METAL BUILDING | | IS LOCATED OUTSIDE THE PLANT PROTECTED AREA FENCE. A PROPANE STORAGE TANK | | IS LOCATED ADJACENT TO THE BUILDING. | | | | LICENSEE CALLED THE SODDY DAISY OFFSITE FIRE DEPARTMENT. | | | | AT 1420, LICENSEE DECLARED AN UNUSUAL EVENT DUE TO AN OFFSITE FIRE LASTING | | LONGER THAN 10 MINUTES. | | | | AT 1436, THE FIRE WAS DECLARED EXTINGUISHED. | | | | LICENSEE IS INVESTIGATING THE EXTENT OF THE DAMAGE AND CAUSE OF THE FIRE. | | | | LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT INSPECTOR | | OF THE DECLARATION OF THE UNUSUAL EVENT. | | | | * * * UPDATE AT 1524 BY NORMAN THOMAS ENTERED BY HOO DICK JOLLIFFE * * * | | | | AT 1510, LICENSEE TERMINATED THE UNUSUAL EVENT DUE TO THE FIRE BEING | | EXTINGUISHED. | | | | THE FIRE WAS LIMITED TO THE TOP OF THE ROOF AND DID NOT REACH INTO THE | | INSIDE OF THE BUILDING. THE ROOF HAS COLLAPSED AND THE BUILDING IS A TOTAL | | LOSS. THERE WERE NO PERSONNEL INJURIES AND NO EXPLOSIONS. LICENSEE HAS | | ROPED OFF THE BUILDING AND POSTED A SECURITY GUARD AT THE BUILDING. | | | | THIS EVENT HAD NO EFFECT ON UNIT 1 OR UNIT 2. LICENSEE IS CONTINUING TO | | INVESTIGATE THE CAUSE OF THE FIRE. | | | | LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND WILL NOTIFY THE NRC | | RESIDENT INSPECTOR OF THE TERMINATION OF THE UNUSUAL EVENT. | | | | LICENSEE PLANS TO ISSUE A PRESS RELEASE. | | | | HOO NOTIFIED R2DO TOM PEEBLES, NRR EO BRUCE BOGER, FEMA WITSBERGER OF THE | | TERMINATION OF THE UNUSUAL EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28864 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: THREE MILE ISLAND REGION: 1 |NOTIFICATION DATE: 05/29/95 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 16:50 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP |EVENT DATE: 05/29/95 | +------------------------------------------------+EVENT TIME: 16:33[EDT]| |NRC NOTIFIED BY: REESE |LAST UPDATE DATE: 05/29/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |LARRY NICHOLSON RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |BRUCE BOGER EO | |ANTO 50.72(b)(1)(iii) TORNADO |SIMMERS FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - UNUSUAL EVENT DUE TO TORNADO WARNING DECLARED IN PLANT VICINITY - | | | | AT 1633, LICENSEE DECLARED AN UNUSUAL EVENT DUE TO A TORNADO WARNING | | DECLARED FOR DAUPHIN COUNTY, THE COUNTY IN WHICH THREE MILE ISLAND IS | | LOCATED. IT IS PRESENTLY RAINING IN THE VICINITY OF THE PLANT BUT NO | | TORNADOS HAVE BEEN SIGHTED. | | | | LICENSEE HAS NOTIFIED STATE AND LOCAL OFFICIALS AND WILL NOTIFY THE NRC | | RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1812 BY REESE ENTERED BY HOO DICK JOLLIFFE * * * | | | | AT 1800, THE TORNADO WARNING WAS CANCELED AND LICENSEE TERMINATED THE | | UNUSUAL EVENT. NO TORNADOS WERE OBSERVED IN THE VICINITY OF THE PLANT. | | | | LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND WILL NOTIFY THE NRC | | RESIDENT INSPECTOR. | | | | HOO NOTIFIED R1DO LARRY NICHOLSON, NRR EO BRUCE BOGER, AND FEMA AUSTIN | | OF THE TERMINATION OF THE UNUSUAL EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28865 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COMANCHE PEAK REGION: 4 |NOTIFICATION DATE: 05/29/95 | |UNIT: [1] [2] [ ] STATE: TX |NOTIFICATION TIME: 17:30 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/29/95 | +------------------------------------------------+EVENT TIME: 11:20[CDT]| |NRC NOTIFIED BY: GREG MUCHOW |LAST UPDATE DATE: 05/29/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DWIGHT CHAMBERLAIN 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 +------------------------------------------------------------------------------+ | - STATE NOTIFIED OF CIRCULATING WATER DESCALING AGENT SPILL AT THE PLANT - | | | | AT 1120 (CDT), 25 TO 60 GALLONS OF CALGON THRUGUARD-404 FOAM CIRCULATING | | WATER DESCALING AGENT SPILLED FROM AN ANTI-SIPHON DEVICE/SURGE SUPPRESSOR | | ONTO THE GROUND AT THE CIRCULATING WATER INTAKE STRUCTURE DUE TO A FAILED | | GASKET. LICENSEE STOPPED THE SPILL AND IS CLEANING UP THE FOAM. | | | | AT 1450 (CDT), LICENSEE NOTIFIED THE TEXAS NATURAL RESOURCES COMMISSION OF | | THE SPILL. | | | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+