U.S. Nuclear Regulatory Commission Operations Center Event Reports For 11/22/94 - 11/23/94 ** EVENT NUMBERS ** 27913 28055 28056 28057 28058 28059 28060 28061 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27913 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 10/17/94 | |UNIT: [ ] [2] [ ] STATE: AZ |NOTIFICATION TIME: 15:40 [ET]| |RX TYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 10/17/94 | +------------------------------------------------+EVENT TIME: 12:00[MST]| |NRC NOTIFIED BY: RAY ROBERTS |LAST UPDATE DATE: 11/22/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS VANDENBURGH RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH |AL CHAFFEE EO | | | | | |E. McPEEK IAT | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 2 STARTUP | 2 STARTUP | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL TAMPERING OF SAFETY RELATED EQUIPMENT DISCOVERED. | | | | THE NRC RESIDENT INSPECTOR FOUND SEVERAL INDICATING LIGHT LENSES FOR | | VARIOUS VALVES ON A REMOTE SHUTDOWN PANEL WERE SHOWING THE WRONG | | INDICATIONS. FURTHER INVESTIGATION DETERMINED THAT APPROXIMATELY | | 20 RED AND GREEN VALVE POSITION INDICATING LENSES ON THE "A" AND "B" | | REMOTE SHUTDOWN PANELS WERE SWAPPED. | | | | PLANT SECURITY WAS IMMEDIATELY NOTIFIED. INVESTIGATION IS IN PROGRESS | | TO DETERMINE IF ANY MAINTENANCE HAS BEEN PERFORMED ON THE SHUTDOWN PANELS | | RECENTLY. THE SHUTDOWN PANELS ARE IN A VITAL AREA WHICH REQUIRES A KEY | | CARD FOR ENTRY. THEREFORE, A RECORD OF ALL PERSONNEL WHO HAVE BEEN IN | | THE VICINITY OF THE PANELS IS AVAILABLE. CHECKS OF OTHER EQUIPMENT | | PANELS HAVE NOT DISCOVERED ANY SIMILAR CONDITION. | | | | THERE IS NOT YET A BASELINE DATE OF WHEN THE LENSES WERE LAST CONFIRMED | | TO BE CORRECT. THIS IS CONSIDERED ONLY A PRECAUTIONARY REPORT AT THIS TIME | | AND HAS NOT YET BEEN CLASSIFIED AS A TAMPERING EVENT. | | | | * * * UPDATE 11/22/94 1245EDT FROM:HAZELWOOD BY:SCARFO * * * | | THE LICENSEE IS RETRACTING THIS EVENT ON THE BASIS THAT THE INVESTIGATION | | FOUND NO MALEVOLENT INTENT ON THE PART OF THE INDIVIDUALS INVOLVED IN THIS | | EVENT AND NO OTHER ABNORMALITIES WERE FOUND. THE SWITCHED INDICATOR LIGHTS | | DID NOT AFFECT THE ABILITY OF THE REMOTE SHUTDOWN PANEL TO PERFORM ITS | | INTENDED FUNCTION NOR DID CAUSE OF WOULD'VE CAUSED ESF SYSTEM ACTUATION. | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. R4DO(HARRELL) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28055 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 11/22/94 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 11:19 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 11/22/94 | +------------------------------------------------+EVENT TIME: 08:30[EST]| |NRC NOTIFIED BY: RABENOLD |LAST UPDATE DATE: 11/22/94 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BILL HILAND RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THIS IS A 24 REPORT OF A TECH SPEC VIOLATION. | | | | DURING THE INVESTIGATION OF LER 94-021 (DIV 2 EDG INOP DUE TO INOPERABLE | | TESTABLE RUPTURE DISC), IT WAS IDENTIFIED THAT A VIOLATION OF THEIR | | OPERATING LICENSE HAD OCCURRED AT VARIOUS TIMES DUE TO AIR ROLLS PERFORMED | | ON THEIR DIV 1 EDG SINCE MAY 1994. THE DIV 2 EDG TESTABLE RUPTURE DISC WAS | | MADE INOPERABLE DUE TO A CLAMP ON IT PREVENTING THE TESTABLE RUPTURE DISC | | FROM OPERATING. THE CLAMP WAS TAKEN OFF AND NOW BOTH DIV 1 & 2 EDGs ARE | | FULLY OPERABLE. DURING THE TIME PERIOD BOTH EDGs WERE INOPERABLE FROM THE | | ABOVE PROBLEM LICENSEE VIOLATED TECH SPEC 3.8.1 ACTION STATEMENT WHICH | | STATES THAT IF BOTH EDGs ARE INOPERABLE THE REMAINING AC SOURCES MUST BE | | CHECK TO MAKE SURE THEY ARE OPERABLE. LER WILL BE ISSUED WITHIN THE NEXT | | SEVERAL DAYS. | | | | RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 28056 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: WELBORN CANCER CENTER |NOTIFICATION DATE: 11/22/94 | | CITY: EVANSVILLE REGION: 3 |NOTIFICATION TIME: 11:29 [ET]| | COUNTY: STATE: IN |EVENT DATE: 11/18/94 | |LICENSE#: 13-01674-02 AGREEMENT: N |EVENT TIME: 12:00[EST]| | DOCKET: |LAST UPDATE DATE: 11/22/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |PATRICK HILAND RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: SAIIB SHAH | | |HQ OPS OFFICER: WILLIAM HUFFMAN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MEDICAL MISADMINISTRATION DUE TO OPERATOR ERROR. | | | | A MEDICAL MISADMINISTRATION OCCURRED WHILE PERFORMING A VAGINAL IRRADIATION | | WITH A HIGH DOSE RATE AFTERLOADING DEVICE (SOURCE: IRIDIUM 192). THE | | PRESCRIBED DOSE WAS 600 CENTIGRAYS, THE ACTUAL DOSE WAS 1200 CENTIGRAYS. | | THE CAUSE OF THE MISADMINISTRATION WAS AN OPERATOR ERROR DUE TO USE OF THE | | WRONG DECAY FACTOR. | | | | THE ERROR WAS DISCOVERED ON 11/21/94 DURING A QUALITY REVIEW. THE PATIENT'S | | PHYSICIAN HAS BEEN INFORMED. NO ADVERSE CLINICAL EFFECTS ARE EXPECTED. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28057 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 11/22/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 14:35 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 11/21/94 | +------------------------------------------------+EVENT TIME: 21:15[EST]| |NRC NOTIFIED BY: RIDDLE |LAST UPDATE DATE: 11/22/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 UNIT INADVERTENTLY EXCEEDED THE PEAK POWER LIMIT FOR APPROXIMATELY | | EIGHT HOURS WHEN A FLOW SENSOR WAS DISABLED DURING MAINTENANCE OF THE | | CONTROL ROD DRIVE SYSTEM. | | | | THE FOLLOWING IS THE TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | "REPORT IS TO NOTIFY NRC OF A VIOLATION OF THE REQUIREMENTS CONTAINED IN | | THE OPERATING LICENSE SECTION 2C SPECIFICALLY 2.6.1 FOR MAXIMUM POWER | | LEVEL. DURING SCHEDULED WORK ON THE CONTROL ROD DRIVE FLOW CONTROL LOOP | | THE COMPUTER POINT FEED SIGNAL TO THE NSS PROCESS COMPUTER WAS LOST. THIS | | POINT AFFECTS THE HEAT BALANCE CALCULATION. THERMAL POWER INDICATED | | APPROXIMATELY 14 MW LESS THAN ACTUAL. REACTOR POWER WAS INCREASED UNTIL | | INDICATED RATED CONDITIONS WERE ACHIEVED. APPROXIMATELY 8 HOURS LATER | | OPERATORS REVIEWING P-1 EDITS NOTICED A FAILED SENSOR, INVESTIGATED AND | | RESTORED THE POINT AND REACTOR POWER INDICATED 3307 CMWT. POWER WAS | | REDUCED TO 3285 CMWT TO PREVENT ANOTHER SHIFT FROM EXCEEDING RATED LICENSED | | LIMIT. SHIFT AVG=100.07%, PEAK POWER SEEN=100.34%" | | END OF TEXT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 28058 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: REPUBLIC OF ESTONIA |NOTIFICATION DATE: 11/22/94 | | CITY: REGION: 0 |NOTIFICATION TIME: 13:30 [ET]| | COUNTY: STATE: |EVENT DATE: 11/22/94 | |LICENSE#: AGREEMENT: |EVENT TIME: 00:00[ ]| | DOCKET: |LAST UPDATE DATE: 11/22/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | | | | |PAPIERELLO EO | +------------------------------------------------+HAUGHNEY NMSS | |NRC NOTIFIED BY: HAUGHNEY |VIENESKY DOE | |HQ OPS OFFICER: GREG SCARFO |SCHOOL EPA | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A MAN DIED AND SIXTY OTHER PEOPLE WERE EVACUATED FROM A SMALL TOWN IN | | ESTONIA DUE TO OVEREXPOSURE TO A CESIUM-137 SOURCE. | | | | A SCRAP METAL DEALER IN KIISS, ESTONIA, DIED AND SIXTY PEOPLE WERE | | EVACUATED FROM A 200 METER RADIUS AROUND HIS HOME WHEN AUTHORITIES FOUND A | | CESIUM-137 "SLIVER" IN HIS POSSESSION. THE MAN HAD DIED EARLIER THIS | | MONTH. AUTHORITIES DID NOT INITIATE AN INVESTIGATION UNTIL THE SCRAP-METAL | | DEALER'S DOG DIED AND HIS 13-YEAR OLD SON WAS HOSPITALIZED FOR RADIATION | | POISONING ON THURSDAY OF LAST WEEK. | | | | THE INVESTIGATION FOUND A CESIUM-137 "SLIVER" OF 2 CM IN DIAMETER AND 6 CM | | LONG LOCATED IN A DRAWER IN THE KITCHEN OF THE HOME. THE ACTIVITY OF THE | | CESIUM-137 "SLIVER" WAS MEASURED AT 150 R/HR AT 5 CM. AN EVACUATION OF | | APPROXIMATELY 60 PEOPLE FROM AN AREA OF 200 METERS IN RADIUS AROUND THE | | HOUSE WAS CONDUCTED. OF THOSE, ALL BUT TWO HAVE BEEN RELEASED FROM THE | | HOSPITAL. THE SON IS NOT EXPECTED TO SURVIVE. | | | | THE NRC HAS MADE AN OFFER OF ASSISTANCE TO THE ESTONIAN GOVERNMENT VIA THE | | IAEA. RADIOACTIVE MATERIALS HAVE BEEN FOUND IN ESTONIA EARLIER THIS YEAR | | AND IT IS THOUGHT THAT ESTONIA IS A TRANSIT POINT FOR ILLEGAL TRADE IN | | DRUGS, METALS, AND GUNS FROM THE FORMER SOVIET UNION. | | | | * * * 11/22/94 1615EDT COMMISSIONERS' ASSISTANTS' BRIEFING * * * | | BRIEF FOR: BROCKMAN(AEOD), HAUGHNEY(NMSS) | | PARTICIPANTS: | | JORDAN(AEOD) ROSS(AEOD) BEECHER(PAO) BANGART(SP) | | SCHECTOR(IP) HAUBER(IP) HAYES(IP) STABLIEN(EDO) | | MCDANIEL(EDO) KEELING(CA) COPLAN(ROGERS) SCHMIDT(SELIN) | | LUBENAU(DEPLANQUE) MAYH(IP) PICCONE(NMSS) | | HANEY(NMSS) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28059 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 11/22/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 21:59 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 11/22/94 | +------------------------------------------------+EVENT TIME: 19:25[CST]| |NRC NOTIFIED BY: TERMINI |LAST UPDATE DATE: 11/22/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 RELAY ON AN EMERGENCY DIESEL GENERATOR (EDG) SMOKED AND CAUSED A FIRE | | DURING MODIFICATION TESTING. | | | | WHILE PERFORMING MODIFICATION TESTING AFTER THE COMPLETION OF A SOLENOID | | REPLACEMENT, THE "K-15" RELAY ON THE "1B" EDG SMOKED AND CAUSED A FIRE FOR | | UNKNOWN REASONS. THE FIRE BRIGADE RESPONDED, AS EXPECTED, AND DE-ENERGIZED | | THE RELAY WHICH EXTINGUISHED THE FIRE. THE "K-15" RELAY WAS DESTROYED IN | | THE FIRE. AN INVESTIGATION INTO THE CAUSE OF THE RELAY FIRE IS BEING | | CONDUCTED. | | | | THE EDG HAD BEEN TAKEN OUT OF SERVICE TO COMPLETE THE MODIFICATION AND | | REMAINS OUT OF SERVICE. TECHNICAL SPECIFICATION ACTION STATEMENT 3.8.1 (72 | | HOUR LCO) REMAINS IN EFFECT AND WILL EXPIRE AT 2130CST ON 11/23/94. THE | | "K-15" RELAY MUST BE REPLACED AND MODIFICATION TESTING MUST BE COMPLETED | | BEFORE THE EDG CAN BE RETURNED TO SERVICE. ALL REMAINING EDGs AT THE SITE | | ARE OPERABLE. THE REACTOR CORE ISOLATION COOLING (RCIC) SYSTEM IS | | OPERABLE. HIGH PRESSURE CORE SPRAY (HPCS) IS OPERABLE AND AVAILABLE AS | | LONG AS OFFSITE POWER IS AVAILABLE, HOWEVER, IT WILL BE DECLARED INOPERABLE | | WHEN THE CURRENT LCO EXPIRES. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28060 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 11/23/94 | |UNIT: [1] [ ] [ ] STATE: FL |NOTIFICATION TIME: 01:25 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 11/22/94 | +------------------------------------------------+EVENT TIME: 21:37[EST]| |NRC NOTIFIED BY: PHIL ROGERS |LAST UPDATE DATE: 11/23/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID MCGUIRE RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | INVALID PRESSURE SIGNAL CAUSES SIAS (SAFETY INJECTION ACTUATION SIGNAL) | | | | AN INVALID HIGH PRESSURE SIGNAL ON PRESSURIZER CHANNELS C & D OCCURRED | | DURING FILLING OF THE REACTOR COOLANT SYSTEM. THE HIGH PRESSURE SIGNAL | | CLEARED THE SIAS BLOCK, ALLOWING THE ACTUAL PRESSURE OF 72 PSIG ON CHANNELS | | A & B TO INITIATE THE SIAS AND CONTAINMENT ISOLATION SIGNAL. THE HIGH | | PRESSURE SAFETY INJECTION (HPSI) PUMPS WERE RACKED OUT AND THEREFORE DIDN'T | | START. THE LOW PRESSURE SAFETY INJECTION (LPSI) PUMPS WERE ALREADY RUNNING | | FOR DECAY HEAT REMOVAL. BOTH EDG's STARTED. | | | | THE B EDG LOADED ON TO ITS BUS ABOUT 20 MINUTES AFTER THE SIAS OCCURRED. | | THE EDG LOADED ON TO THE BUS WHEN THE TIE BREAKER SUPPLYING THE BUS OPENED | | FOR UNKNOWN REASONS. THE CAUSE OF THE HIGH PRESSURIZER PRESSURE SIGNAL AND | | THE REASON FOR THE TIE BREAKER OPENING ARE UNDER INVESTIGATION. ALL SYSTEMS | | HAVE BEEN RESTORED TO THEIR STATUS PRIOR TO THE SIAS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28061 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 11/23/94 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 02:53 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 11/23/94 | +------------------------------------------------+EVENT TIME: 01:55[EST]| |NRC NOTIFIED BY: GREGORY SASSON |LAST UPDATE DATE: 11/23/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM DECLARED INOPERABLE | | | | "AT 0155 EST ON 11/23/94 THE UNIT 1 HPCI SYSTEM WAS DECLARED INOPERABLE. | | THE SYSTEM WAS DECLARED INOPERABLE AS A RESULT OF FAILURE TO MEET SEISMIC | | SUPPORT REQUIREMENTS ON THE STEAM SUPPLY LINE. A STATION EMPLOYEE REPORTED | | THE FAILURE OF A VERTICAL TRAPEZE STRUT ON THE HPCI STEAM SUPPLY LINE AT | | 1600 ON 11/22/94. STATION ENGINEERING IMMEDIATELY CONDUCTED A REVIEW OF | | THE HPCI SYSTEM DESIGN REQUIREMENTS AND DETERMINED THAT THE STEAM LINE NO | | LONGER WAS SEISMICALLY QUALIFIED. THIS DETERMINATION WAS MADE AT 0155 EST | | ON 11/23/94. THE TIME OF INOPERABILITY WILL BE CONSIDERED AS 1600 ON | | 11/22/94 FOR LCO TRACKING PURPOSES. THE HPCI SYSTEM IS CURRENTLY | | CONSIDERED INOPERABLE BUT AVAILABLE." | | | | ALL OTHER ECCS SYSTEMS ARE CURRENTLY OPERABLE. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+