U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/05/95 - 06/06/95 ** EVENT NUMBERS ** 28892 28893 28894 28895 28896 28897 28898 28899 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28892 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 06/04/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 13:12 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 06/04/95 | +------------------------------------------------+EVENT TIME: 11:00[EDT]| |NRC NOTIFIED BY: RICKY RAWLS |LAST UPDATE DATE: 06/05/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |DOUGLAS COLLINS RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ELINOR ADENSAM EO | | |BERNIE WITSBERGER FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED DUE TO A HURRICANE WARNING BEING POSTED FOR THE | | AREA. | | | | AT 11:00 AM 6/4/95 A HURRICANE WARNING WAS POSTED FOR THE FLORIDA GULF | | COAST FROM ANCLOTE KEY (NEAR TAMPA) TO PENSACOLA FLORIDA. THE AREA OF THE | | WARNING ENCOMPASSES THE CRYSTAL RIVER UNIT. THE LICENSEE HAS ENTERED THEIR | | EMERGENCY PLAN FOR VIOLENT WEATHER, AND HAS STARTED TO STATION PERSONNEL, | | AND PERFORM WALK DOWNS OF THE PLANT TO MAKE SURE IT IS PREPARED FOR THE | | HURRICANE. THE LICENSEE, FOR THE TIME BEING, PLANS TO KEEP THE UNIT AT | | 100% POWER, AND WILL MONITOR THE HURRICANE. | | | | THE BASIS FOR EXITING THE UNUSUAL EVENT WILL BE WHEN THE HURRICANE WARNING | | IS NO LONGER POSTED FOR THE AREA. (THE CRITERIA FOR AN ALERT IS 110 MILE | | PER HOUR SUSTAINED WINDS AT THE SITE, AND A SITE AREA EMERGENCY WOULD BE | | DECLARED IF THERE WERE 110 MILE AN HOUR SUSTAINED WINDS AT THE SITE WITH | | THE UNIT NOT IN AT LEAST A HOT STANDBY CONDITION.) | | | | THE LICENSEE HAS NOTIFIED THE RESIDENT INSPECTOR AND STATE AND LOCAL | | OFFICIALS PER THEIR EMERGENCY PLAN. | | | | * * * UPDATE 06/05/95 1208EDT FROM:KELLY BY:SCARFO * * * | | THE NOUE WAS TERMINATED AT 1132EDT WHEN THE HURRICANE WARNING WAS | | TERMINATED. THE FLORIDA DEPARTMENT OF HEALTH AND REHABILITATION SERVICES | | AND CITRUS & LEVY COUNTY WERE NOTIFIED. R2DO(COLLINS), NRR EO(DENNIG), AND | | FEMA(WITSBERGER) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 28893 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: U.S. DEFENSE DISTRIBUTION DEPOT |NOTIFICATION DATE: 06/05/95 | | CITY: CHAMBERSBURG REGION: 1 |NOTIFICATION TIME: 08:06 [ET]| | COUNTY: STATE: PA |EVENT DATE: 06/05/95 | |LICENSE#: AGREEMENT: N |EVENT TIME: 00:00[EDT]| | DOCKET: |LAST UPDATE DATE: 06/05/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |SHANBAKY RDO | | |COOL EO | +------------------------------------------------+ | |NRC NOTIFIED BY: WOOD | | |HQ OPS OFFICER: GREG SCARFO | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MR. JAMES WOOD OF THE DEFENSE DISTRIBUTION DEPOT OF CHAMBERSBURG, | | PENNSYLVANIA, REPORTED THAT VARIOUS PIECES OF U.S. ARMY EQUIPMENT WERE | | DISCOVERED TO BE MISSING THEIR RADIOACTIVE ISOTOPES DURING A RECENT AUDIT | | OF RECORDS. | | | | MR. JAMES WOOD OF THE DEFENSE DISTRIBUTION DEPOT (REGION EAST) OF | | CHAMBERSBURG, PENNSYLVANIA, REPORTED THAT THREE "FIRE CONTROL QUADRANTS" | | CONTAINING SEVENTY-FIVE MILLICURIES OF TRITIUM AND THREE "LEVEL VIALS" | | CONTAINING THIRTY-TO-FIFTY MILLICURIES WERE MISSING FROM THREE SHIPMENTS | | RECEIVED AT THE DEPOT. THESE MATERIALS ARE LICENSED THROUGH THE U.S. ARMY | | FACILITY AT ROCK ISLAND, ILLINOIS, AND WERE RECEIVED FROM VARIOUS | | DEPARTMENT OF DEFENSE FACILITIES AROUND THE COUNTRY. THE LOSS OF THESE | | MATERIALS WAS DISCOVERED DURING AN AUDIT OF DEPOT RECORDS. MR. WOOD | | INDICATES THAT THE RADIOISOTOPES WERE PROBABLY LOST AT THOSE RESPECTIVE | | FACILITIES WHERE THE EQUIPMENT WAS DAMAGED. THE DEFENSE DISTRIBUTION DEPOT | | RECEIVES DAMAGED EQUIPMENT AND STORES THEM PRIOR TO BEING REPAIRED. | | | | NO PERSONNEL EXPOSURES OCCURRED AND NO CONTAMINATIONS WERE FOUND. THERE | | WILL BE NO SEARCH TO RETRIEVE THE SOURCES. MR. WOOD HAS NOTIFIED REGION | | ONE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28894 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 06/05/95 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 13:25 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 06/05/95 | +------------------------------------------------+EVENT TIME: 11:00[EDT]| |NRC NOTIFIED BY: ZAREMBA |LAST UPDATE DATE: 06/05/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER PASCIAK 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE NY STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION | | BASED ON SAMPLE RESULTS OF THE STORM WATER DISCHARGE. | | | | THE STATE POLLUTANT DISCHARGE ELIMINATION SYSTEM (SPDES) PERMIT REQUIRES | | QUARTERLY SAMPLES OF THE STORM WATER RUN-OFF AT VARIOUS LOCATIONS AROUND | | THE SITE. THE SAMPLES ARE ANALYZED FOR OIL AND GREASE, AND SUSPENDED | | SOLIDS. THE SAMPLE TAKEN ON JUNE 2nd BETWEEN 1800 - 1830 EDT, WAS TAKEN | | DURING A THUNDERSTORM WHERE .25" OF RAIN FELL IN THE TWO HOUR PERIOD FROM | | 1700 - 1900 EDT. | | | | THE ANALYSIS EXCEEDED THE STATE PERMIT FOR SUSPENDED SOLIDS. THE LICENSEE | | SUSPECTS THE CAUSE AS EXCESS DIRT AND GRAVEL BEING CARRIED BY THE HEAVY | | RAINS. THE LIMIT FOR SUSPENDED SOLIDS IS 50 ppm, AND SAMPLES AT FOUR | | LOCATIONS EXCEEDED THE LIMIT, WITH A MAXIMUM OF 170 ppm FROM ONE OF THE | | SAMPLES. THE OIL AND GREASE LEVELS WERE BELOW THE LIMITS FOR ALL OF THE | | SAMPLES. | | | | THE LICENSEE WILL NOTIFY THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28895 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 06/05/95 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 14:08 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 06/05/95 | +------------------------------------------------+EVENT TIME: 12:40[EDT]| |NRC NOTIFIED BY: MURPHY |LAST UPDATE DATE: 06/05/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER PASCIAK 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 Y 3 STARTUP | 3 STARTUP | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE "21 & 23" AUXILIARY BOILER FEED PUMPS (ABFP) AUTO-STARTED WHEN THE TRIP | | PUSH-BUTTON FOR A MAIN FEED PUMP THAT WAS BEING TESTED WAS PRESSED. | | | | THE "21 & 23" ABFP's AUTO-STARTED DUE TO THE MAIN BOILER FEED PUMP TRIP | | SIGNAL. THE LICENSEE WAS PERFORMING MAINTENANCE ON THE "21" MAIN BOILER | | FEED PUMP (MBFP), AND AN OPERATOR PUSHED THE "TRIP" BUTTON FOR THE "21" | | MBFP TO PREVENT IT FROM ROTATING. THIS PROVIDED THE TRIP SIGNAL WHICH | | CAUSED THE AUTO-START OF THE "21 & 23" ABFP's, AND THE CLOSURE OF THE | | BLOWDOWN ISOLATION VALVES. THE "22" MBFP WAS IN OPERATION AT THE TIME OF | | THE EVENT, AND REMAINED UNAFFECTED. | | | | AFTER STEAM GENERATOR WATER LEVELS WERE VERIFIED TO BE NORMAL, THE ABFP's | | WERE SECURED AND THE BLOWDOWN ISOLATION SIGNAL WAS RESET. THE LICENSEE IS | | INVESTIGATING THE CAUSE OF THE EVENT. THE LICENSEE HAS INFORMED THE | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28896 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PILGRIM REGION: 1 |NOTIFICATION DATE: 06/05/95 | |UNIT: [1] [ ] [ ] STATE: MA |NOTIFICATION TIME: 15:13 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 06/05/95 | +------------------------------------------------+EVENT TIME: 13:58[EDT]| |NRC NOTIFIED BY: MAGNATTA |LAST UPDATE DATE: 06/05/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER PASCIAK 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 Y 23 POWER OPERATION | 23 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ACTUATION OF A DRYWELL TO TORUS VACUUM BREAKER DURING HPCI TURBINE TESTING. | | | | PILGRIM IS STARTING UP, OPERATING AT 23% AND PREPARING FOR MAIN TURBINE | | OPERATIONS. AN ACTUATION OF A DRYWELL TO TORUS VACUUM BREAKER (ONE OF TEN) | | OCCURRED DURING HPCI (HIGH PRESSURE COOLANT INJECTION) TURBINE OPERABILITY | | TESTING. THE LICENSEE WAS IN THE PROCESS OF INERTING THE DRYWELL, AND AT | | THE TIME DID NOT HAVE THE DRYWELL TO TORUS DIFFERENTIAL PRESSURE | | ESTABLISHED. AS A RESULT OF OPERATING THE HPCI TURBINE, TEMPERATURE IN THE | | TORUS CLIMBED, HOWEVER WITHOUT PRESSURE IN THE DRYWELL BEING HIGH ENOUGH, A | | SINGLE VACUUM BREAKER CYCLED. | | | | THE HIGHEST PRESSURE IN THE TORUS WAS ABOUT .4 PSIG, AND THE DRYWELL | | PRESSURE WHILE BEING INERTED WAS APPROXIMATELY ATMOSPHERIC. THE VACUUM | | BREAKERS OPERATE ON A DIFFERENTIAL PRESSURE OF ABOUT .5 PSIG. THE HPCI | | TESTING HAS BEEN COMPLETED SATISFACTORILY. THE LICENSEE NOTIFIED THE | | RESIDENT INSPECTOR. | | | | *** UPDATE @ 2044 EDT ON 6/5/95 ***FROM LICENSEE:MAGNATTA BY: McGINTY *** | | THE LICENSEE CALLED TO REPORT ANOTHER VACUUM BREAKER ACTUATION. TRYING TO | | RECOVER FROM THE EARLIER DRYWELL TO TORUS DIFFERENTIAL PRESSURE PROBLEMS, | | THE LICENSEE HAS BEEN COOLING THE TORUS DOWN FOLLOWING THE HPCI TURBINE | | OPERABILITY TESTING RUN. WHEN THE TORUS WAS COOLED DOWN, BECAUSE IT IS A | | FIXED VOLUME, A REACTOR BUILDING TO TORUS VACUUM BREAKER OPENED AT 1910 | | EDT. THE REACTOR BUILDING TO TORUS VACUUM BREAKERS ALSO OPERATE ON A .5 | | PSIG DIFFERENTIAL PRESSURE. | | | | THE LICENSEE IS STILL TRYING TO GET THE DRYWELL AND TORUS INERTED AT THIS | | POINT IN TIME. WITH NITROGEN BEING ADDED TO THE DRYWELL DURING THE | | INERTING PROCESS, PRESSURE CONTROL OF THE TORUS IS COMPLICATED IN | | CONJUNCTION WITH THE COOLDOWN OF THE TORUS ASSOCIATED WITH COMPLETION OF | | THE HPCI TEST (THE NITROGEN IN THE TORUS WAS EFFECTIVELY DRIVEN OUT TO THE | | DRYWELL DURING THE HEATUP DUE TO THE TESTING). THE LICENSEE HAS STOPPED THE | | INERTING OF THE DRYWELL AND IS ATTEMPTING TO ADD NITROGEN TO THE TORUS TO | | MINIMIZE THE D/P. THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. HOO | | NOTIFIED THE R1DO (PASCIAK). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 28897 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: ST. LUKES MEDICAL CENTER |NOTIFICATION DATE: 06/05/95 | | CITY: MILWAUKEE REGION: 3 |NOTIFICATION TIME: 17:37 [ET]| | COUNTY: STATE: WI |EVENT DATE: 06/02/95 | |LICENSE#: 48-01338-01 AGREEMENT: N |EVENT TIME: 04:00[CDT]| | DOCKET: |LAST UPDATE DATE: 06/05/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SHEAR RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: DOUG SIMPKIN | | |HQ OPS OFFICER: TIM McGINTY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MR. SIMPKIN, OF THE ST. LUKES MEDICAL CENTER, LOCATED IN MILWAUKEE, WI, | | REPORTED THE FOLLOWING MISADMINISTRATION: | | | | ON FRIDAY, 6/2/95 AT 0400 CDT, A NURSE NOTICED THAT A PATIENT HAD PULLED A | | BRACHYTHERAPY IN-PLANT, DISLODGING IT BY APPROXIMATELY 4 cm. THE | | DISLODGEMENT WAS NOT REPORTED TO THE RADIATION THERAPIST UNTIL ABOUT 0730 | | THAT MORNING, AND THE RSO WAS NOT NOTIFIED UNTIL TODAY. THE TREATMENT WAS | | COMPLETED AT ABOUT 1300 CDT ON 6/2/95. | | | | WHEN THE DOSIMETRY WAS RECALCULATED, IT WAS REALIZED THAT A DOSE OF ABOUT | | 100 CENTI-GRAY WAS RECEIVED (OVER AN ASSUMED 4 HOUR PERIOD) BY AN AREA THAT | | WAS NOT PRESCRIBED (DUE TO THE DISLODGING). THE TUMOR THAT WAS BEING | | TREATED IS LOCATED IN THE HEAD/NECK AREA. THE PRESCRIBED DOSE WAS FOR 2000 | | CENTI-GRAY TO THE TUMOR DURING A 50 HOUR IMPLANT. THE BASIS OF THE | | NOTIFICATION IS THE MISADMINISTRATION OF A BRACHYTHERAPY RADIATION DOSE | | INVOLVING THE WRONG TREATMENT SITE. THE CALLER DID NOT THINK THAT THERE | | WOULD BE ANY ADVERSE EFFECTS ON THE PATIENT. THE LICENSEE WILL NOTIFY THE | | PATIENT OF THE ADMINISTRATION, AND THE ATTENDING PHYSICIAN HAS BEEN | | NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |RESEARCH REACTOR | |EVENT NUMBER: 28898 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: IOWA STATE UNIVERSITY |NOTIFICATION DATE: 06/05/95 | | RXTYPE: 10 KW UTR-10 (ARGONAUT) |NOTIFICATION TIME: 18:58 [ET]| |COMMENTS: SHUTDOWN |EVENT DATE: 06/05/95 | | |EVENT TIME: 17:45[CDT]| | |LAST UPDATE DATE: 06/05/95 | | CITY: AMES REGION: 3 +-----------------------------+ | COUNTY: STORY STATE: IA |PERSON ORGANIZATION| |LICENSE#: R-59 AGREEMENT: Y |GARY SHEAR RDO | | DOCKET: 05000116 |ELINOR ADENSAM EO | +------------------------------------------------+BAGWELL FEMA | |NRC NOTIFIED BY: JOHN ADAMS | | |HQ OPS OFFICER TIM McGINTY | | +------------------------------------------------+ | |EMERGENCY CLASS: UNUSUAL EVENT | | |10 CFR SECTION: | | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UE DECLARED AT IOWA STATE UNIVERSITY BASED ON A TORNADO SIGHTING IN THE | | AMES, IOWA, AREA. | | | | THE LICENSEE DECLARED AN UNUSUAL EVENT BASED ON A TORNADO SIGHTING IN THE | | AMES, IOWA, AREA. THE TORNADO WAS INITIALLY SIGHTED ABOUT 3 MILES FROM THE | | FACILITY. THE REACTOR AT THE IOWA STATE UNIVERSITY IS SHUTDOWN. THE | | TORNADO IS REPORTED TO BE MOVING OFF TO THE NORTH-EAST. AT THE TIME OF THE | | CALL, THE MOST RECENT REPORT PUT THE TORNADO AT MILE MARKER 116 IN THE | | VICINITY OF I-135 (ABOUT 5 MILES NE OF THE FACILITY). THE TORNADO IS | | REPORTED TO BE WEAK IN NATURE, AND THERE HAVE BEEN NO REPORTS OF DAMAGES. | | THE LICENSEE WILL BE TERMINATING THE UNUSUAL EVENT WHEN THE "ALL-CLEAR" FOR | | THE AMES AREA IS SOUNDED. | | | | *** UPDATE ON 6/5/95 @ 1928 EDT ***FROM LICENSEE: ADAMS BY: McGINTY *** | | THE LICENSEE TERMINATED THE UNUSUAL EVENT AT 1827 CDT, BASED ON THE | | "ALL-CLEAR" BEING GIVEN FOR THE AMES AREA, AND AFTER CONFIRMATION WITH THE | | LOCAL POLICE DEPARTMENT. THERE WERE NO REPORTS OF ANY DAMAGES. HOO | | NOTIFIED THE R3DO (SHEAR), NRR EO (ADENSAM), NRR PM (MICHAELS) AND FEMA | | (BAGWELL). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28899 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 06/06/95 | |UNIT: [ ] [2] [ ] STATE: NY |NOTIFICATION TIME: 01:24 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 06/05/95 | +------------------------------------------------+EVENT TIME: 22:51[EDT]| |NRC NOTIFIED BY: BRIAN WEAVER |LAST UPDATE DATE: 06/06/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER PASCIAK 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 | M/R Y 75 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR SCRAM DUE TO A TURBINE RUNBACK. | | | | THE LICENSEE EXPERIENCED A STATOR WATER RUNBACK OF THE MAIN GENERATOR WHICH | | SEQUENTIALLY OPENED THE TURBINE BYPASS VALVES. WHEN THE FIFTH (AND FINAL) | | TURBINE BYPASS VALVE WAS FULLY OPENED, REACTOR PRESSURE STARTED TO RISE | | FROM AN INITIAL PRESSURE OF 987 PSIG. A MANUAL REACTOR SCRAM WAS INSERTED | | AT 1003 PSIG. THE MAXIMUM REACTOR PRESSURE REACHED DURING THE TRANSIENT | | WAS 1011 PSIG AS DETERMINED BY A CHART RECORDER. | | | | THE POST SCRAM RESPONSE WAS NORMAL. ALL RODS INSERTED AND NO SAFETY RELIEF | | VALVES LIFTED. ALL EMERGENCY CORE COOLING SYSTEMS AND EMERGENCY DIESEL | | GENERATORS ARE OPERABLE. ALL ELECTRICAL BUSSES TRANSFERRED PROPERLY AND | | THE MAIN CONDENSER IS AVAILABLE AS A HEAT SINK. REACTOR VESSEL WATER LEVEL | | WAS RESTORED AS IS BEING MAINTAINED BY THE MAIN FEEDWATER SYSTEM. | | | | AN ESF SIGNAL WAS GENERATED DUE TO THE POST SCRAM RESPONSE WHEN REACTOR | | VESSEL LEVEL INITIALLY LOWERED TO 134 INCHES BEFORE RECOVERING TO THE | | NORMAL BAND OF 180-185 INCHES. THIS CAUSED AN ESF SIGNAL TO THE RHR | | SHUTDOWN COOLING ISOLATION VALVES. THE VALVES DID NOT REPOSITION BECAUSE | | THEY WERE CLOSED AT THE TIME OF THE ISOLATION. | | | | THE LICENSEE IS CONTINUING TO INVESTIGATE THE CAUSE OF THE HIGH STATOR | | WATER TEMPERATURE. THE UNIT WAS INCREASING POWER AFTER A REFUELING OUTAGE | | IN WHICH THE UNIT'S POWER WAS UP RATED. DURING THE OUTAGE THE STATOR WATER | | COOLING THROTTLE VALVES POSITIONS WERE RESET. THE LICENSEE SUSPECTS THAT | | THE THROTTLE POSITION FOR THESE VALVES WERE NOT SET PROPERLY. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | | | | HOO NOTE: THE LICENSEE EXPERIENCED A PROBLEM REPORTING THE EVENT DUE TO THE | | ENS LINE BEING INOPERABLE. COMMERCIAL PHONE SERVICE IS STILL AVAILABLE AND | | THE PHONE PROBLEM WAS FORWARDED TO AT&T FOR CORRECTION BY THE HOO. | +------------------------------------------------------------------------------+