U.S. Nuclear Regulatory Commission Operations Center Event Reports For 01/13/98 - 01/14/98 ** EVENT NUMBERS ** 33508 33521 33522 33523 33524 33525 33526 33527 33528 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33508 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 01/08/98 | |UNIT: [1] [ ] [ ] STATE: WI |NOTIFICATION TIME: 22:39 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 01/08/98 | +------------------------------------------------+EVENT TIME: 19:04[CST]| |NRC NOTIFIED BY: RON WINGET |LAST UPDATE DATE: 01/13/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN JACOBSON 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 98 POWER OPERATION | 98 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT 1 HAD PARTIAL LOSS OF OFFSITE POWER TO THE 4160 VOLT SAFEGUARDS BUSES. | | | | UNIT 1 LOST 345 KV OFFSITE POWER LINE #L-111 AND #1X03 HIGH VOLTAGE STATION | | AUXILIARY TRANSFORMER, RESULTING IN AN UNDERVOLTAGE ON 4160 VOLT SAFEGUARDS | | BUSES AND AN ESF ACTUATION TO AUTO START TWO (#G01 & #G03) OF THE FOUR | | EMERGENCY DIESEL GENERATORS (EDGs). ONE OF THE TWO REMAINING EDGs IS | | OUT OF SERVICE FOR MAINTENANCE AND THE OTHER IS IN STANDBY MODE. THE FAST | | BUS TRANSFER WHICH WOULD HAVE PROVIDED POWER FROM THE UNIT 2 #2X03 HIGH | | VOLTAGE STATION AUXILIARY TRANSFORMER DID NOT ACTUATE. THE LICENSEE IS | | INVESTIGATING THE CAUSE OF THIS FAILURE. ALL OTHER EQUIPMENT OPERATED, | | AS EXPECTED. ALL UNIT 1 SAFEGUARDS BUSES ARE ENERGIZED FROM THE EDGs AND | | UNIT 2 (WHICH IS SHUTDOWN) SAFEGUARDS BUSES ARE ENERGIZED FROM NORMAL | | OFFSITE POWER. LICENSEE PLANS ARE TO USE THE 13.8 KV SYSTEM TO REPOWER | | UNIT 1 SAFEGUARDS BUSES FROM NORMAL OFFSITE POWER. THE EDGs WILL THEN BE | | RETURNED TO STANDBY MODE. THE LICENSEE WILL DETERMINE THE CAUSE OF THE | | LOSS OF LINE #L-111 AND THE #1X03 TRANSFORMER AND THE CONDITION OF THE | | 13.8 KV SYSTEM. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 0533 ON 01/09/98 BY BOB HARVEY ENTERED BY JOLLIFFE * * * | | | | AT 0421 CST ON 01/09/98, THE LICENSEE RESTORED OFFSITE POWER TO THE UNIT 1 | | SAFEGUARDS BUSES AND RESTORED BOTH UNIT 1 EDGs (#GO1 AND #GO3) TO STANDBY | | MODE. ALL UNIT 2 SAFEGUARDS BUSES REMAIN ENERGIZED FROM NORMAL OFFSITE | | POWER. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED R3DO JOHN JACOBSON, NRR EO JOSE CALVO AND | | IRD RICH BARRETT. | | | | * * * UPDATE AT 1825 ON 01/13/98 BY RON WINGET ENTERED BY JOLLIFFE * * * | | | | UPON FURTHER INVESTIGATION OF THIS EVENT, THE LICENSEE HAS DETERMINED | | THAT AT THE TIME OF THE #1XO3 TRANSFORMER LOCKOUT (1904 CST ON 01/08/98), | | THE LICENSEE SHOULD HAVE ENTERED TECH SPEC LCO A/S 15.3.0 (aka 3.0.3 ON | | OTHER PLANTS) FOR EACH OF THE FOLLOWING CONDITIONS: | | - LOSS OF THE #1X04 UNIT 1 LOW VOLTAGE STATION AUXILIARY TRANSFORMER | | - LOSS OF THE #1X03 UNIT 1 HIGH VOLTAGE STATION AUXILIARY TRANSFORMER | | WITHOUT THE STATION GAS TURBINE OPERATING | | - LOSS OF THE NORMAL POWER SUPPLY TO THE UNIT 1 4160 VOLT SAFEGUARDS BUSES | | ('A' TRAIN #1A05 & 'B' TRAIN #1A06) CONCURRENTLY. | | EACH OF THESE ENTRIES WOULD HAVE REQUIRED SHUTTING UNIT 1 DOWN TO HOT | | STANDBY MODE WITHIN 7 HOURS. HOWEVER, EACH OF THESE CONDITIONS WERE | | RESOLVED PRIOR TO THE EXPIRATION OF THE 7 HOUR TIME LIMIT. | | | | AT 1904 CST, THE LICENSEE ENTERED TECH SPEC LCO A/S 15.3.0 DUE TO THE LOSS | | OF STATION BATTERY CHARGERS #D-07 AND #D-108. AT 1915 CST, THE LICENSEE | | EXITED TECH SPEC LCO A/S 15.3.0 DUE TO THE RESTORATION #D-07 AND #D-108. | | | | THE LICENSEE IS CONTINUING TO INVESTIGATE THIS EVENT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED THE R3DO GARY SHEAR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33521 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 01/13/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 04:25 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 01/12/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 19:30[CST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 01/13/98 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |JOHN MADERA RDO | | DOCKET: 0707001 |MIKE BELL, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: W. G. HALICKS | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | STEAM PRESSURE CONTROL SAFETY SYSTEM ACTUATION IN RESPONSE TO VALID SIGNAL | | | | WHILE C-337-A AUTOCLAVE POSITION 2 EAST WAS HEATING A URANIUM HEXAFLUORIDE | | CYLINDER IN PREPARATION FOR FEEDING IT TO THE ENRICHMENT CASCADE, A STEAM | | PRESSURE CONTROLLER MALFUNCTIONED. THIS MALFUNCTION RESULTED IN THE | | INCREASE OF THE STEAM PRESSURE IN THE AUTOCLAVE TO THE ALARM SET POINT, | | AND THIS CAUSED THE ACTUATION OF THE STEAM PRESSURE CONTROL SAFETY SYSTEM. | | THE SAFETY SYSTEM FUNCTIONED AS DESIGNED AND PLACED THE AUTOCLAVE IN A | | SAFE CONFIGURATION BY ISOLATING THE STEAM SUPPLY AND OPENING VENTS. | | | | PADUCAH REPORTED THIS EVENT IN ACCORDANCE WITH PROCEDURE UE2-RA-RE1030, | | REVISION 2, APPENDIX D, CRITERIA J.2, AS THE ACTUATION OF A 'Q' SAFETY | | SYSTEM IN RESPONSE TO A VALID SIGNAL. THIS WAS A 24-HOUR REPORT | | NOTIFICATION. | | | | PADUCAH NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 33522 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: WISCONSIN CENTRIFUGAL COMPANY |NOTIFICATION DATE: 01/13/98 | | CITY: LAUKESHAW REGION: 3 |NOTIFICATION TIME: 11:14 [ET]| | COUNTY: STATE: WI |EVENT DATE: 01/13/98 | |LICENSE#: 48-11641-01 AGREEMENT: N |EVENT TIME: 06:30[CST]| | DOCKET: |LAST UPDATE DATE: 01/13/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SHEAR RDO | | |FRED COMBS, NMSS EO | +------------------------------------------------+RICHARD BARRETT AEOD | |NRC NOTIFIED BY: JOSEPH BUSHEY | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |IBBF 30.50(b)(2)(ii) EQUIP DISABLED/FAILS | | |BAE1 20.2202(b)(1) PERS OVEREXPOSURE | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF A SPRING-LOADED SHUTTER ON A TELETHERAPY UNIT AND POTENTIAL | | OVEREXPOSURE AT WISCONSIN CENTRIFUGAL LOCATED IN WAUKESHAW, WISCONSIN | | | | THIS EVENT INVOLVES A TELETHERAPY UNIT LOCATED IN A SHIELDED ROOM. THE | | UNIT CONTAINS A 669.5-CURIE COBALT-60 SOURCE AND HAS A SPRING-LOADED | | SHUTTER THAT IS CLOSED WHEN THE UNIT IS NOT ENERGIZED. | | | | RADIATION ALARMS SOUNDED WHILE AN INDIVIDUAL WAS REMOVING FILM FROM THE | | UNIT. THE INDIVIDUAL'S RADIATION METER ALSO PEGGED, AND THE INDIVIDUAL | | IMMEDIATELY LEFT THE AREA. THE UNIT HAS SINCE BEEN SHIELDED AND CONTAINED | | BY MANUALLY CLOSING THE SHUTTER FROM BEHIND. | | | | THE LICENSEE HAS ESTIMATED DOSE RATES OF 2.5 TO 10 REM PER 15 SECONDS, AND | | THE LICENSEE PLANS TO SEND THE INDIVIDUAL'S FILM BADGE OUT FOR PROCESSING. | | THE INDIVIDUAL'S FILM BADGE WAS WORN AT CHEST LEVEL, AND THE LICENSEE | | CURRENTLY BELIEVES THAT THE INDIVIDUAL'S WAIST WAS THE MAIN AREA OF | | EXPOSURE. THE INDIVIDUAL MAY HAVE RECEIVED A DOSE OF MORE THAN 5 REM IN A | | 24-HOUR PERIOD. | | | | THE LICENSEE NOTIFIED THE NRC REGION 3 OFFICE (DEBORAH PISKURA). (REFER TO | | THE HOO LOG FOR A SITE CONTACT TELEPHONE NUMBER AND STREET ADDRESS.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 33523 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: CHAD STARNER, PRIVATE CITIZEN |NOTIFICATION DATE: 01/13/98 | | CITY: LEVITTOWN REGION: 1 |NOTIFICATION TIME: 14:14 [ET]| | COUNTY: NASSAU STATE: NY |EVENT DATE: 01/13/98 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 13:56[EST]| | DOCKET: |LAST UPDATE DATE: 01/13/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN ROGGE RDO | | |STEVE BAGGETT, NMSS EO | +------------------------------------------------+RICHARD BARRETT AEOD | |NRC NOTIFIED BY: DAVE FLETCHER, NAT RES CR | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - THREE GLASS LIGHT STICKS FOUND IN A FIELD IN LEVITTOWN, NEW YORK - | | | | CHAD STARNER, A PRIVATE CITIZEN, REPORTED TO DAVE FLETCHER, NATIONAL | | RESPONSE CENTER, THAT HE FOUND THREE GLASS TUBES MARKED "RADIOACTIVE - | | TRITIUM H3 LIGHT STICKS - 10 CURIES" IN A FIELD IN LEVITTOWN, NEW YORK. MR | | STARNER CALLED THE MANUFACTURER AND LEARNED THAT THE COMPANY IS NO LONGER | | IN BUSINESS. NRC REGION 1 NOTIFIED A STATE OF NEW YORK REPRESENTATIVE, | | CLAYTON BRADT, WHO DETERMINED THAT THIS SITUATION IS WITHIN THE | | JURISDICTION OF THE STATE OF NEW YORK. MR BRADT IS DEALING DIRECTLY WITH MR | | FLETCHER ON THIS MATTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 33524 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: WASHINGTON UNIVERSITY & MEDICAL CTR |NOTIFICATION DATE: 01/13/98 | | CITY: ST LOUIS REGION: 3 |NOTIFICATION TIME: 15:59 [ET]| | COUNTY: STATE: MO |EVENT DATE: 12/15/97 | |LICENSE#: 24-00167-11 AGREEMENT: N |EVENT TIME: 08:10[CST]| | DOCKET: |LAST UPDATE DATE: 01/13/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SHEAR RDO | | |LARRY CAMPER, NMSS EO | +------------------------------------------------+FRANK CONGEL AEOD | |NRC NOTIFIED BY: JOHN EICHLING, RSO | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - I-131 CONTAMINATED HOSPITAL WASTE TRANSFERRED TO A LOCAL LANDFILL - | | | | ON 12/12/97, A PATIENT AT THE WASHINGTON UNIVERSITY AND MEDICAL CENTER, | | ST LOUIS, MO, WAS ADMINISTERED 150 MILLICURIES OF LIQUID SODIUM IODIDE | | (I-131) ORAL SOLUTION FOR A THYROID CANCER RADIOPHARMACEUTICAL THERAPY | | TREATMENT. THE PATIENT WAS RELEASED FROM THE HOSPITAL AT 1300 CST ON | | 12/14/97. | | | | AT 1600 CST ON 12/14/97, NORMAL HOSPITAL HOUSEKEEPING STAFF PERFORMED | | A DISCHARGE CLEANING OF THE PATIENT'S ROOM, PRIOR TO THE ROOM BEING | | DECONTAMINATED AND RELEASED BY RADIATION SAFETY DEPARTMENT PERSONNEL. | | A RELATIVELY SMALL VOLUME OF I-131 CONTAMINATED TRASH FROM THE PATIENT'S | | ROOM WAS MIXED WITH NORMAL HOSPITAL TRASH AND WAS TRANSFERRED TO A LOCAL | | LANDFILL IN A 34 CUBIC YARD COMPACTOR/DUMPSTER CONTAINING APPROXIMATELY | | 20,000 POUNDS OF DRY COMPACTED TRASH. IT IS ESTIMATED THAT APPROXIMATELY | | 200 MICROCURIES OF I-131 WAS RELEASED TO THE LANDFILL. | | | | THE POSSIBLE DOSE FROM THIS TRASH TO ANY MEMBER OF THE GENERAL PUBLIC IS | | VERY LOW. THE CALCULATED DOSE RATE IS APPROXIMATELY 0.04 MR/HR AT 1 METER | | FROM THE CONTAMINATED TRASH, AS IF IN AIR. THE CUMULATIVE DOSE AT 1 METER | | IN AIR DUE TO THE COMPLETE DECAY OF 200 MICROCURIES OF I-131 IS ONLY 12 MR. | | THE I-131 WITH A HALF-LIFE OF 8.1 DAYS HAS ALREADY DECAYED TO ABOUT 15 | | MICROCURIES. | | | | CORRECTIVE ACTION WILL INCLUDE LIMITING TWO FLOORS OF THE HOSPITAL FOR | | RADIOPHARMACEUTICAL THERAPY TREATMENTS AND REFRESHER TRAINING OF HOSPITAL | | HOUSEKEEPING STAFF. THE RADIATION SAFETY OFFICER (RSO) PLANS TO SUBMIT A | | WRITTEN REPORT OF THIS EVENT TO NRC REGION 3 WITHIN 30 DAYS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33525 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 01/13/98 | |UNIT: [1] [ ] [ ] STATE: MD |NOTIFICATION TIME: 20:17 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 01/13/98 | +------------------------------------------------+EVENT TIME: 20:15[EST]| |NRC NOTIFIED BY: DOM LAVATO |LAST UPDATE DATE: 01/13/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |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 | 99 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - TS REQD S/D DUE TO CRACKED WELD ON LPSI SYSTEM NON-SEISMIC PIPE SUPPORT - | | | | THE LICENSEE ENTERED TECH SPEC LCO A/S 3.0.3 ON UNIT 1 DUE TO BOTH UNIT 1 | | LOW PRESSURE SAFETY INJECTION (LPSI) SUBSYSTEMS BEING DECLARED INOPERABLE | | AS A RESULT OF A CRACKED WELD (DISCOVERED BY VISUAL INSPECTION) IN A | | NON-SEISMIC PIPING SUPPORT LOCATED ON THE LPSI PUMP COMMON DISCHARGE | | PIPING. THE LICENSEE COMMENCED REDUCING POWER IN ACCORDANCE WITH THE | | 7 HOUR A/S. THE LICENSEE PLANS TO REMOVE THE PIPING SUPPORT PRIOR TO | | REACHING MODE 3 (HOT STANDBY). | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33526 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 01/13/98 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 21:09 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 01/13/98 | +------------------------------------------------+EVENT TIME: 19:04[CST]| |NRC NOTIFIED BY: DAVE KLIMEK |LAST UPDATE DATE: 01/13/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR 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 99 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -AUTO Rx SCRAM FROM 99% POWER DUE TO MAIN TURBINE TRIP FOR UNKNOWN REASONS- | | | | AT 1904 CST, WHILE I & C TECHNICIANS WERE TESTING THE REACTOR VESSEL | | WATER LEVEL INSTRUMENTS, UNIT 2 AUTOMATICALLY SCRAMMED FROM 99% POWER | | DUE TO A MAIN TURBINE TRIP FOR UNKNOWN REASONS. ALL CONTROL RODS INSERTED | | COMPLETELY. STEAM IS BEING DUMPED TO THE MAIN CONDENSER AND ALL SYSTEMS | | FUNCTIONED, AS DESIGNED. UNIT 2 IS STABLE IN CONDITION 3 (HOT SHUTDOWN). | | | | PRIMARY CONTAINMENT ISOLATION SYSTEM GROUP 2 (PRIMARY CONTAINMENT | | ISOLATION) AND GROUP 3 (REACTOR WATER CLEANUP SYSTEM ISOLATION) ACTUATED | | DUE TO LOW REACTOR VESSEL WATER LEVEL FOLLOWING THE SCRAM, AS EXPECTED. | | REACTOR VESSEL WATER LEVEL RETURNED TO ITS NORMAL RANGE. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THIS EVENT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33527 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 01/13/98 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 21:23 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 01/13/98 | +------------------------------------------------+EVENT TIME: 12:00[PST]| |NRC NOTIFIED BY: DOUG COLEMAN |LAST UPDATE DATE: 01/13/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ELMO COLLINS RDO | |NONR OTHER UNSPEC REQMNT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 99 POWER OPERATION | 99 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -LICENSED MAXIMUM Rx THERMAL POWER LIMIT MAY HAVE BEEN EXCEEDED FOR 3 DAYS- | | | | ON 01/12/98, ROUTINE TRENDING OF THE PLANT COMPUTER FEEDWATER TEMPERATURES | | BY PLANT PERSONNEL REVEALED AN UNEXPECTED CHANGE IN THE FEEDWATER | | TEMPERATURE AND FLOW INDICATION USED TO CALCULATE PLANT HEAT BALANCE | | STARTING ON 01/09/98. DUE TO THE POSSIBILITY OF EXCEEDING 100% RATED | | THERMAL POWER (3486 Mwt) BECAUSE OF THE FEEDWATER INDICATION ERROR, | | IMMEDIATE CORRECTIVE ACTIONS WERE TAKEN TO REDUCE REACTOR POWER 1%, | | TO 99% RATED THERMAL POWER, AND CONTROL ROOM PERSONNEL WERE DIRECTED | | NOT TO INCREASE REACTOR POWER TO ABOVE 99% UNTIL FURTHER NOTICE. | | | | ON 01/13/98, THE LICENSEE CONFIRMED BY DETAILED ANALYSIS OF PLANT COMPUTER | | HEAT BALANCE DATA THAT, DUE TO THE FEEDWATER INDICATION ERROR, REACTOR | | THERMAL POWER EXCEEDED CONDITION 2.C.(1) OF THE FACILITY OPERATING LICENSE | | WHICH LIMITS REACTOR POWER TO LESS THAN OR EQUAL TO 3486 Mwt. THE ANALYSIS | | REVEALED THAT THE MAXIMUM REACTOR POWER DURING THE THREE DAY PERIOD FROM | | 01/09/98 THROUGH 01/12/98 MAY HAVE BEEN AS HIGH AS 100.7% RATED THERMAL | | POWER. | | | | ALTHOUGH THE FACILITY OPERATING LICENSE CONDITION 2.C.(1) FOR MAXIMUM POWER | | LEVEL WAS EXCEEDED, THERE APPEARS TO BE NO IMMEDIATE REACTOR SAFETY ISSUE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33528 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 01/13/98 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 22:08 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 01/13/98 | +------------------------------------------------+EVENT TIME: 18:00[CST]| |NRC NOTIFIED BY: RAY VENCI |LAST UPDATE DATE: 01/13/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | -BOTH LOOPS OF SHUTDOWN COOLING SYSTEM INOPERABLE PENDING ANALYSIS RESULTS- | | | | UNIT 1 IS IN CONDITION 4 (COLD SHUTDOWN) IN A MAINTENANCE OUTAGE SINCE | | 12/20/97. | | | | AT 1800 CST ON 01/10/98, THE LICENSEE DISCOVERED THAT TWO MECHANICAL | | SNUBBERS WHICH SUPPORT THE SHUTDOWN COOLING (SDC) SUCTION HEADER WERE | | DAMAGED. THE LICENSEE DECLARED THE SNUBBERS INOPERABLE AND REPLACED THEM. | | TECH SPEC SECTION 3.8.F REQUIRES THE LICENSEE TO REPLACE OR RESTORE THE | | INOPERABLE SNUBBER(S) TO OPERABLE STATUS AND PERFORM AN ENGINEERING | | ANALYSIS OF THE AFFECTED COMPONENT (IN THIS CASE THE SDC SUCTION HEADER) | | WITHIN 72 HOURS TO DETERMINE IF THE COMPONENT WAS ADVERSELY AFFECTED. | | | | THE LICENSEE DID NOT COMPLETE THE ANALYSIS WITHIN THE REQUIRED TIME PERIOD | | AND THUS, DECLARED BOTH LOOPS OF THE SHUTDOWN COOLING SYSTEM INOPERABLE | | PENDING THE ANALYSIS RESULTS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+