U.S. Nuclear Regulatory Commission Operations Center Event Reports For 11/14/94 - 11/15/94 ** EVENT NUMBERS ** 28028 28029 28030 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28028 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 11/14/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 12:06 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 11/14/94 | +------------------------------------------------+EVENT TIME: 10:00[CST]| |NRC NOTIFIED BY: TERMINI |LAST UPDATE DATE: 11/14/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN GROBE 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR CORE ISOLATION COOLING SYSTEM WAS DECLARED INOPERABLE DUE TO AN | | UNDERTERMINED RCIC GOVERNOR VALVE PROBLEM. | | | | THE FOLLOWING IS THE TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | "WHILE PERFORMING OPERATING SURVEILLANCE ON UNIT 1 REACTOR CORE ISOLATION | | COOLING (RCIC) SYSTEM, OPERATOR WAS HAVING TROUBLE ADJUSTING FLOW ON THE | | RCIC PUMP. IT WAS DETERMINED THAT THE RCIC GOVERNOR WAS HUNTING DUE TO AN | | ELECTRICAL PROBLEM. THE RCIC SYSTEM WAS SHUTDOWN AND DECLARED INOPERABLE, | | COMMENCING A 14-DAY TIMECLOCK PER TECH SPEC 3.7.3. | | | | SYSTEM ENGINEERING & MAINT ARE INVESTIGATING TO DETERMINE CAUSE AND REPAIR | | STRATEGY." END OF TEXT. | | | | THE HIGH PRESSURE CORE SPRAY (HPCS) AND ALL LOW PRESSURE ECCS ARE OPERABLE | | AND AVAILABLE. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28029 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT CALHOUN REGION: 4 |NOTIFICATION DATE: 11/14/94 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 15:48 [ET]| |RX TYPE: [1] CE |EVENT DATE: 11/14/94 | +------------------------------------------------+EVENT TIME: 13:49[CST]| |NRC NOTIFIED BY: JIM CHASE |LAST UPDATE DATE: 11/14/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ED GOODWIN EO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS |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 +------------------------------------------------------------------------------+ | TECH SPEC SHUTDOWN BASED ON POTENTIAL INOPERABILITY OF CONTROL ROOM AIR | | CONDITIONING. | | | | THE FOLLOWING IS THE TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | "A POTENTIAL ACCIDENT SCENARIO HAS BEEN IDENTIFIED THAT COULD RESULT IN | | INOPERABILITY OF BOTH CONTROL ROOM (CR) AIR CONDITIONERS. THE SCENARIO | | INVOLVES A LARGE BREAK LOSS OF COOLANT ACCIDENT (LOCA) OR MAIN STEAM LINE | | BREAK (MSLB) INSIDE CONTAINMENT. | | | | THE CR AIR CONDITIONERS ARE SUPPLIED WITH COMPONENT COOLING WATER (CCW) TO | | FREON CONDENSER HEAT EXCHANGERS. IN THE EVENT OF A LOCA OR MSLB, THE | | TEMPERATURE OF THE CCW COULD REACH A TEMPERATURE HIGH ENOUGH TO CAUSE THE | | AIR CONDITIONING UNITS TO TRIP OFF. THIS COULD OCCUR WITHIN APPROXIMATELY | | THREE MINUTES. SUBSEQUENTLY, CCW TEMPERATURE COULD CONTINUE TO RISE TO THE | | POINT AT WHICH FAILURE OF THE FREON SYSTEM RUPTURE DISCS WOULD OCCUR, | | RESULTING IN LOSS OF FREON INTO THE CR. | | | | FOLLOWING LOSS OF BOTH CR AC UNITS, CR TEMPERATURE WOULD RISE. DEPENDING ON | | A VARIETY OF ASSUMPTIONS, THE CR COULD REACH AN AMBIENT TEMPERATURE GREATER | | THAN 150 DEGREES F WITHIN THE NEXT 2 AND 1/2 HOURS. THE POTENTIAL EFFECTS | | OF SUCH A TEMPERATURE COULD INCLUDE HAMPERING OPERATIONS PERSONNEL AND | | EXCEEDING THE QUALIFIED TEMPERATURE OF CERTAIN ENGINEERED SAFETY FEATURE | | (ESF) EQUIPMENT IN THE CR. SPECIFICALLY, OFFSITE POWER LOW SIGNAL (OPLS) | | RELAYS, LOCKOUTS AND SEQUENCERS COULD BE REQUIRED TO OPERATE ABOVE THEIR | | RATED TEMPERATURE. | | | | IMMEDIATE ACTION TAKEN IN RESPONSE TO THE IDENTIFICATION OF THE ABOVE | | SCENARIO WAS TO ENTER TECHNICAL SPECIFICATION 2.15(3), DUE TO THE POTENTIAL | | POST-ACCIDENT IMPACT ON OPLS. TS 2.15(3) SPECIFIES THAT THE REACTOR BE | | PLACED IN A HOT SHUTDOWN CONDITION WITHIN 12 HOURS. | | | | A NOTIFICATION OF UNUSUAL EVENT WAS DECLARED BASED ON ENTRY INTO TS | | 2.15(3). POTENTIAL INTERIM ACTIONS TO ADDRESS THIS ISSUE ARE UNDER REVIEW." | | END OF TEXT. | | | | THIS POSTULATED INADEQUACY WAS DISCOVERED DURING LICENSEE PREPARATIONS FOR | | A SERVICE WATER INSPECTION. | | | | THE NRC RESIDENT, STATE, AND LOCAL AUTHORITIES HAVE BEEN NOTIFIED. A PRESS | | RELEASE MAY BE ISSUED. | | | | *** UPDATE FROM BROWN TO HUFFMAN AT 21:03 EST ON 11/14/94 *** | | "AT 1850 CST, THE FT. CALHOUN PLANT REVIEW COMMITTEE APPROVED OPERATIONS | | MEMORANDUM #94-07, REV. 0, WHICH DETAILS THE COMPENSATORY ACTIONS THAT WILL | | BE NECESSARY TO BE TAKEN TO ENSURE THE OPERABILITY OF THE OPLS RELAYS | | DURING A LOSS OF COOLANT ACCIDENT (LOCA/MAIN STEAM LINE BREAK). | | | | BECAUSE THESE COMPENSATORY ACTIONS ARE BEING TAKEN THROUGH THE OPERATIONS | | MEMORANDUM AND ITS ASSOCIATED SAFETY ANALYSIS FOR OPERABILITY, AND BECAUSE | | THEY ASSURE THE OPERABILITY OF THE OPLS RELAYS, TECH SPEC LCO 2.15(3), THAT | | FCS IS PRESENTLY IN, CAN BE EXITED. IN ADDITION, THE NOUE THAT WAS DECLARED | | AS A RESULT OF THIS TECH SPEC REQUIRED SHUTDOWN ACTION CAN BE TERMINATED | | AND OPERATION OF FCS CAN CONTINUE. NOUE WAS EXITED AT 1950 CST." | | | | THE ADMIN CONTROL IMPLEMENTED FOR THIS SITUATION IS TO KEEP ONE OF THE AIR | | CONDITIONING SYSTEMS TAGGED OUT AT ALL TIMES. IF A LOCA/MSLB RESULTS IN A | | LOSS OF THE UNTAGGED, OPERATING, AIR CONDITIONING SYSTEM THEN THE TAGGED | | SYSTEM WOULD BE MANUALLY PLACED INTO SERVICE AND RAW WATER (IN LIEU OF CCW) | | WOULD BE USED TO COOL THE AIR CONDITIONING FREON. | | | | THE LICENSEE REDUCED POWER TO 97% BEFORE THE TECH SPEC WAS EXITED. | | | | THE RESIDENT INSPECTOR HAS BEEN INFORMED. R4DO(SANDBORN), EO(SHERON), AND | | FEMA(SIMMERS) ALSO NOTIFIED. | | | | | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 28030 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SYNCHOR INTERNATIONAL |NOTIFICATION DATE: 11/14/94 | | CITY: HUNTINGTON REGION: 3 |NOTIFICATION TIME: 18:20 [ET]| | COUNTY: STATE: IN |EVENT DATE: 11/14/94 | |LICENSE#: 13-26457-01M AGREEMENT: N |EVENT TIME: 05:30[EST]| | DOCKET: |LAST UPDATE DATE: 11/14/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN GROBE RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: STAN MILLER | | |HQ OPS OFFICER: WILLIAM HUFFMAN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NTRA TRANSPORTATION EVENT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MINOR TRANSPORTATION ACCIDENT INVOLVING RADIO-PHARMACEUTICAL DELIVERY. | | | | A TRUCK CARRYING RADIO-PHARMACEUTICALS FROM SYNCHOR INTERNATIONAL HIT A | | DEER THREE MILES WEST OF HUNTINGTON, INDIANA. SYNCHOR IS A NUCLEAR PHARMACY | | COMPANY BASED IN FORT WAYNE, INDIANA. THERE WAS NO DAMAGE TO THE | | RADIO-PHARMACEUTICALS OR THE DRIVER. THE PHARMACEUTICALS (TC-99M; | | THALLIUM-201; AND XE-133) WERE TRANSFERED TO ANOTHER VEHICLE AND SENT ON | | TO TO THE DESIGNATED DELIVERY POINT. | +------------------------------------------------------------------------------+