U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/29/97 - 05/30/97 ** EVENT NUMBERS ** 32365 32404 32405 32406 32407 32408 32409 32410 32411 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32365 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 05/21/97 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 05:14 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 05/21/97 | +------------------------------------------------+EVENT TIME: 02:54[CDT]| |NRC NOTIFIED BY: WILLIAM GREEN |LAST UPDATE DATE: 05/29/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN 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 1 STARTUP | 1 STARTUP | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM DECLARED INOPERABLE. | | | | AT 0144 CDT WHILE OPERATING HPCI SYSTEM TO DEMONSTRATE OPERABILITY | | FOLLOWING REFUELING OUTAGE A HPCI TURBINE BEARING LOW PRESSURE ALARM WAS | | RECEIVED. THE HPCI TURBINE WAS TRIPPED IN ACCORDANCE WITH STATION OPERATING | | PROCEDURES. LOCAL OIL PRESSURE INDICATED 10 psig, THE ALARM SET POINT IS | | 5.5 psig. THE PRESSURE SWITCH WAS CAL CHECKED AND DETERMINED TO BE | | OPERATING CORRECTLY. AT 0254 CDT THE HPCI SYSTEM WAS DECLARED INOPERABLE. | | | | EARLIER IN THE SHIFT, AT 0014 CDT, THE REACTOR CORE ISOLATION COOLING | | SYSTEM WAS RUN AND DEMONSTRATED TO BE OPERABLE. BOTH LOW PRESSURE COOLANT | | INJECTION AND CORE SPRAY SUBSYSTEMS WERE VERIFIED TO BE OPERABLE. THE | | AUTOMATIC DEPRESSURIZATION SYSTEM LOGIC IS CURRENTLY BEING DEMONSTRATED TO | | BE OPERABLE. | | | | THE LICENSEE ENTERED TECHNICAL SPECIFICATION LCO ACTION STATEMENT 3.5.4.C | | AFTER HPCI WAS DECLARED INOPERABLE. THIS ACTION STATEMENT REQUIRES AN | | ORDERLY SHUTDOWN TO BE INITIATED AND REACTOR PRESSURE TO BE REDUCED TO 150 | | psig OR LESS WITHIN 24 HOURS. THE LICENSEE IS CURRENTLY MAKING EFFORT TO | | CORRECT THIS CONDITION. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | * * * UPDATE AT 1607 ON 05/29/97 BY BARTON CROW ENTERED BY GOULD * * * | | | | FOLLOWING DISCUSSIONS WITH THE VENDOR, THE LICENSEE DETERMINED THAT | | ADEQUATE OIL PRESSURE EXISTED FOR THE HPCI SYSTEM TO PERFORM ITS INTENDED | | SAFETY FUNCTION DURING EMERGENCY CONDITIONS. ACCORDINGLY, THIS EVENT IS | | NOT REPORTABLE UNDER 10CFR50.72(b)(2)(iii) CRITERIA AS THIS CONDITION WOULD | | NOT ALONE HAVE PREVENTED THE FULFILLMENT OF THE SAFETY FUNCTION OF A SYSTEM | | NEEDED TO MITIGATE THE CONSEQUENCES OF AN ACCIDENT. | | | | THUS, THE LICENSEE DESIRES TO RETRACT THIS EVENT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED R4DO JOHN PELLET. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 32404 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: FEDERAL EXPRESS |NOTIFICATION DATE: 05/29/97 | | CITY: MEMPHIS REGION: 2 |NOTIFICATION TIME: 12:06 [ET]| | COUNTY: SHELBY STATE: TN |EVENT DATE: 05/29/97 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 07:34[EDT]| | DOCKET: |LAST UPDATE DATE: 05/29/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHARLES HOSEY RDO | | |FRED COMBS, NMSS EO | +------------------------------------------------+STUART RUBIN IRD | |NRC NOTIFIED BY: CHECKAN, NAT RESPONSE CTR |JOE STAMBAUGH DOE | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NTRA TRANSPORTATION EVENT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE NATIONAL RESPONSE CENTER (INCIDENT REPORT #389075) WAS NOTIFIED BY MR. | | ROY PARKER OF THE FEDERAL EXPRESS OFFICE LOCATED IN BATON ROUGE, LA, THAT | | AN INCIDENT WHERE 5 MILLICURIES OF CONTAINED DEPLETED URANIUM IN BAR FORM | | HAD BEEN DROPPED AT THE MEMPHIS INTERNATIONAL AIRPORT CAUSING IT TO IGNITE. | | THE FIRE WAS EXTINGUISHED IMMEDIATELY AND NO ONE WAS INJURED. NO PERSONNEL | | REPORTED INHALING ANY FUMES. THE RELEASE WAS SECURED AND DECONTAMINATION IS | | TAKING PLACE. FEDERAL EXPRESS NOTIFIED THE STATE OF TN. THE NATIONAL | | RESPONSE CENTER NOTIFIED EPA REG IV AND WILL NOTIFY OTHER FEDERAL AGENCIES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 32405 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: COLUMBIA HOSPITAL, MILWAUKEE, WI |NOTIFICATION DATE: 05/29/97 | | CITY: MILWAUKEE REGION: 3 |NOTIFICATION TIME: 12:39 [ET]| | COUNTY: MILWAUKEE STATE: WI |EVENT DATE: 05/29/97 | |LICENSE#: 48-02417-01 AGREEMENT: N |EVENT TIME: 08:30[CDT]| | DOCKET: |LAST UPDATE DATE: 05/29/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN JACOBSON RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: CHAN | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE CALLED IN A MEDICAL MISADMINISTRATION WHICH OCCURRED WHILE | | PERFORMING A BRACHYTHERAPY ON ONE OF THEIR PATIENTS. THE INTENDED DOSE WAS | | TO BE 3,000 CENTIGRAYS, BUT THE ACTUAL DOSE RECEIVED WAS 2,100 CENTIGRAYS. | | THE ATTENDING PHYSICIAN NOTIFIED THE PRIMARY PHYSICIAN, BUT IT WAS | | DETERMINED BY THE PRIMARY PHYSICIAN THAT THE PATIENT WOULD NOT BE NOTIFIED. | | THEY CONCLUDED THAT THERE WILL BE NO ADVERSE AFFECTS TO THE PATIENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32406 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 05/29/97 | |UNIT: [ ] [2] [3] STATE: IL |NOTIFICATION TIME: 14:21 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 05/29/97 | +------------------------------------------------+EVENT TIME: 09:55[CDT]| |NRC NOTIFIED BY: THRONE |LAST UPDATE DATE: 05/29/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN JACOBSON 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 49 POWER OPERATION | 49 POWER OPERATION | | 3 | N N 0 REFUELING | 0 REFUELING | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNITS 2 AND 3 ENTERED AN LCO ACTION STATEMENT DUE TO LOSS OF SECONDARY | | CONTAINMENT INTEGRITY. | | | | THIS OCCURRED DURING ROUTINE WORK IN THE X-AREA WHILE IN THE CURRENT | | REFUELING OUTAGE ON UNIT 3. A PLANT WORKER DISCOVERED THE FLOOR DRAIN RIG | | IN UNIT 3 X-AREA NOT IN ITS PROPER POSITION. THE RIG IS USED TO FACILITATE | | DRAINING AND STILL MAINTAIN SECONDARY CONTAINMENT. IT CONSISTS OF A COVER | | PLATE AND PIPE PENETRATIONS WITH VALVES TO CONNECT DRAIN HOSES. THE RIG | | WAS FULL OF HOSES. AN UNKNOWN WORKER APPARENTLY LIFTED THE RIG AND | | INSERTED A HOSE INTO THE FLOOR DRAIN. TS LCO 3.7.N WAS ENTERED WHICH | | REQUIRES SECONDARY CONTAINMENT TO BE REESTABLISHED WITHIN 4 HOURS OR PLACE | | THE UNIT IN HOT SHUTDOWN IN 12 HOURS AND THEN COLD SHUTDOWN WITHIN THE NEXT | | 24 HOURS. HANDLING OF IRRADIATED FUEL DURING CORE ALTERATIONS AND | | EVOLUTIONS WHICH COULD DRAIN THE VESSEL MUST BE SUSPENDED. WORK WAS HALTED | | ON UNIT 3 REFUEL FLOOR IMMEDIATELY AND SECONDARY CONTAINMENT WAS | | REESTABLISHED WITHIN 68 MINUTES. THE DRAIN RIG WAS INSTALLED AT THE | | BEGINNING OF D3R14 WHICH BEGAN IN 03/97. | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 32407 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 05/29/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 15:14 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 05/28/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:30[CDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 05/29/97 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |JOHN JACOBSON RDO | | DOCKET: 0707001 |DON COOL, NMSS EO | +------------------------------------------------+STUART RUBIN IRD | |NRC NOTIFIED BY: L. D. BOSHELL | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | VIOLATION OF REQUIREMENT IN GEN-27 TO NOT MOVE EQUIPMENT UNTIL PROPERLY | | CHARACTERIZED (TO CONTROL INTERACTION BETWEEN THE EQUIPMENT AND FISSILE | | MATERIAL). | | | | THIS EVENT WAS CALLED IN UNDER NRC BULLETIN 91-01 (24 HOUR) AND INVOLVES | | THREE CENTRIFUGAL IMPELLERS THAT WERE REMOVED FROM THE "C-331" BUILDING AND | | TRANSPORTED TO THE "C-720" BUILDING. UPON ARRIVAL AT "C-720", PERSONNEL | | INSPECTED THE IMPELLERS AND DISCOVERED A GEN-27 TAG INSIDE THE PLASTIC | | WRAPPING ON ONE OF THE IMPELLERS. ACCORDING TO THE INFORMATION ON THE TAG, | | THIS IMPELLER HAD NOT BEEN CHARACTERIZED. BASED UPON NUCLEAR CRITICALITY | | SAFETY APPROVAL(NCSA) GEN-27, THE IMPELLERS SHOULD NOT HAVE BEEN MOVED | | UNTIL PROPERLY CHARACTERIZED. THIS REQUIREMENT IS NEEDED TO CONTROL | | INTERACTION BETWEEN THE EQUIPMENT AND OTHER FISSILE MATERIAL: THEREFORE, | | THEIR MOVING THE IMPELLER RESULTED IN A VIOLATION OF SPACING. THE OTHER | | TWO IMPELLERS HAD NO NCSA TAGS, AND MAINTENANCE PERSONNEL QUESTIONED THE | | IMPELLER WITH THE TAG AS LEGACY PGDP EQUIPMENT. THEREFORE, THE THREE | | IMPELLERS WERE CONSERVATIVELY ASSUMED TO BE NEWLY IDENTIFIED | | K-25/PORTSMOUTH EQUIPMENT AND HANDLED IN ACCORDANCE WITH NCSA GEN-20. | | ALTHOUGH THE IMPELLERS WERE NOT CHARACTERIZED IN ACCORDANCE WITH NCSA | | GEN-20, THE PERSONNEL WHO MOVED THE IMPELLERS COULD SEE THAT THEY WERE | | CLEAN AND COULD NOT HAVE CONTAINED AN UNSAFE MASS. AFTER VISUAL | | INSPECTIONS WERE PERFORMED, EACH IMPELLER WAS VERIFIED TO CONTAIN LESS THAN | | 50 GRAMS OF U235. AS PER NCSA GEN-20 NO SPACING IS REQUIRED FOR EQUIPMENT | | CONTAINING LESS THAN 50 GRAMS U235. THE EQUIPMENT WAS MOVED TO "C-331" AND | | STORED IN ACCORDANCE WITH NCSA GEN-20 REQUIREMENTS AT 0300 ON 5/29/97. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 32408 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UNKNOWN |NOTIFICATION DATE: 05/29/97 | | CITY: PEABODY REGION: 1 |NOTIFICATION TIME: 15:43 [ET]| | COUNTY: ESSEX STATE: MA |EVENT DATE: 05/29/97 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 12:00[EDT]| | DOCKET: |LAST UPDATE DATE: 05/29/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |LAURIE PELUSO RDO | | |DON COOL, NMSS EO | +------------------------------------------------+STUART RUBIN IRD | |NRC NOTIFIED BY: CHECKAN, NAT RESPONSE CTR | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE NATIONAL RESPONSE CENTER WAS NOTIFIED BY A PRIVATE CITIZEN THAT LAST | | FALL, HE DISCOVERED AN ILLEGAL DUMP ON LYNN AND PEABODY STREETS BY THE | | POWER LINES IN PEABODY, MASSACHUSETTS. THE CALLER STATED THAT SOME OF THE | | CONTAINERS AT THE DUMP SITE HAD RADIOACTIVE SYMBOLS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32409 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 05/29/97 | |UNIT: [1] [2] [ ] STATE: TN |NOTIFICATION TIME: 16:39 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/29/97 | +------------------------------------------------+EVENT TIME: 04:25[EDT]| |NRC NOTIFIED BY: EPPERSON |LAST UPDATE DATE: 05/29/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES HOSEY RDO | |NLTR LICENSEE 24 HR REPORT | | |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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNITS 1 AND 2 ENTERED LCO 3.7.11.1.b WHEN THE HIGH PRESSURE FIRE PROTECTION | | SUPPRESSION WATER SYSTEM WAS ISOLATED MAKING FLOW PATH TO SPRINKLER SYSTEMS | | AND HOSE STANDPIPES INOPERABLE. | | | | THE LICENSEE ISOLATED THE HIGH PRESSURE FIRE PROTECTION SUPPRESSION WATER | | SYSTEM FOR A PLANNED OUTAGE TO REPLACE SECTIONALIZATION VALVES AND SELECTED | | PIPING. WHEN THE SYSTEM WAS ISOLATING, THE FLOW PATH TO SPRINKLER SYSTEMS | | AND HOSE STANDPIPES IDENTIFIED BY TS 3.7.11.2 AND 3.7.11.4 WERE MADE | | INOPERABLE. THE LCO ACTION STATEMENT REQUIRES THAT A BACKUP FIRE | | SUPPRESSION SYSTEM BE ESTABLISHED WITHIN 24 HOURS. | | | | A BACKUP FIRE SUPPRESSION WATER SYSTEM WAS ALREADY IN PLACE PRIOR TO THE | | PLANNED ISOLATION OF THE FLOWPATH. THIS BACKUP SYSTEM ENSURED COMPLIANCE | | WITH TS 3.7.11.1, ACTION b.1. THE HIGH PRESSURE FIRE PROTECTION SYSTEM | | OUTAGE IS PLANNED FOR APPROXIMATELY FOUR DAYS. AFTER COMPLETION OF WORK | | AND RETURN OF THE SYSTEM TO AN OPERABLE STATUS, THE BACKUP SYSTEM WILL BE | | REMOVED. THIS PLANNED OUTAGE IS PART OF THE HIGH PRESSURE FIRE PROTECTION | | SYSTEM UPGRADE WHICH IS INCLUDED IN THE OVERALL IMPROVEMENT PLAN FOR FIRE | | PROTECTION AT SEQUOYAH. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32410 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 05/29/97 | |UNIT: [1] [ ] [ ] STATE: MD |NOTIFICATION TIME: 17:00 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 05/29/97 | +------------------------------------------------+EVENT TIME: 16:46[EDT]| |NRC NOTIFIED BY: DROWN |LAST UPDATE DATE: 05/29/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |RICHARD WESSMAN, NRR EO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS |BELCHER FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 75 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED DUE TO UNIT 1 SHUTTING DOWN DUE TO A 6 GPM | | UNIDENTIFIED REACTOR COOLANT SYSTEM LEAK. | | | | AT 1646 PLANT OPERATORS DECLARED AN UNUSUAL EVENT AND BEGAN SHUTTING UNIT 1 | | DOWN FROM 100% POWER AT 40% PER HOUR DUE TO A 6 GPM REACTOR COOLANT SYSTEM | | (RCS) LEAK INSIDE CONTAINMENT. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. | | | | * * * UPDATE AT 1835 ON 05/29/97 BY DROWN ENTERED BY GOULD * * * | | | | UNIT 1 IS CURRENTLY AT 3% POWER WITH THE MAIN TURBINE OFF LINE. RCS | | LEAKAGE IS STILL 6 GPM AND NO ESF ACTUATIONS HAVE OCCURRED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED R1DO LAURIE PELUSO AND NRR EO DICK WESSMAN. | | | | * * * UPDATE AT 1936 ON 05/29/97 BY FRYE ENTERED BY GOULD * * * | | | | UNIT 1 IS STABLE MODE 3 (HOT STANDBY). THE LEAK COMING FROM A SENSING LINE | | ON A PRESSURIZER PRESSURE TRANSMITTER HAS BEEN ISOLATED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED R1DO LAURIE PELUSO AND NRR EO DICK WESSMAN. | | | | * * * UPDATE AT 2008 ON 05/29/97 BY FRYE ENTERED BY GOULD * * * | | | | AT 2000 PLANT OPERATORS ISOLATED THE LEAK AND TERMINATED THE UNUSUAL EVENT. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED R1DO LAURIE PELUSO, NRR EO DICK WESSMAN, | | AND FEMA RISHE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32411 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: RIVER BEND REGION: 4 |NOTIFICATION DATE: 05/29/97 | |UNIT: [1] [ ] [ ] STATE: LA |NOTIFICATION TIME: 17:40 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 05/29/97 | +------------------------------------------------+EVENT TIME: 12:45[CDT]| |NRC NOTIFIED BY: VERNON CARLSON |LAST UPDATE DATE: 05/30/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN PELLET RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | |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 +------------------------------------------------------------------------------+ | 2 GPM HPCS RELIEF VALVE LEAK FOUND DURING A SURVEILLANCE TEST. | | | | DURING A SURVEILLANCE TEST OF THE HIGH PRESSURE CORE SPRAY (HPCS) PUMP, | | A 2 GPM LEAK WAS DISCOVERED COMING FROM RELIEF VALVE #E22-RVF035 (THE LEAK | | IS COMING THROUGH THE BELLOWS THEN OUT THE LEAKOFF PORT LOCATED ON THE | | BONNET OF THE 1" THERMAL RELIEF VALVE WHICH IS LOCATED ON THE DISCHARGE OF | | THE HPCS PUMP). THIS IS A PRIMARY CONTAINMENT ISOLATION VALVE PER TECHNICAL | | SPECIFICATIONS, WHICH DISCHARGES INTO THE SUPPRESSION POOL. AT THE TIME OF | | THE CALL THE LICENSEE COULD NOT EXACTLY IDENTIFY THE SOURCE OF THE LEAKAGE, | | BUT IT IS EXPECTED TO BE A LEAK OF THE SEALING BELLOWS AROUND THE VALVE | | STEM. BECAUSE THE BELLOWS IS THE ONLY BARRIER BETWEEN THE PRIMARY | | CONTAINMENT SUPPRESSION POOL AND THE SECONDARY CONTAINMENT AUXILIARY | | BUILDING, THIS IS CONSIDERED AN EVENT OR CONDITION THAT ALONE COULD HAVE | | PREVENTED THE FULFILLMENT OF THE SAFETY FUNCTION OF CONTAINMENT TO PREVENT | | THE RELEASE OF RADIOACTIVE MATERIALS. MITIGATING THIS EVENT IS THAT THE | | OPEN END OF THE DISCHARGE PIPING IS SUBMERGED (UNDERWATER) IN THE | | SUPPRESSION POOL. | | | | THE LICENSEE HAS ENTERED TECHNICAL SPECIFICATION 3.6.1.1. PRIMARY | | CONTAINMENT INTEGRITY. THE LICENSEE IS CURRENTLY TAKING ACTION TO REPLACE | | THE VALVE OR INSTALL A BLIND FLANGE TO RESTORE CONTAINMENT. THE LICENSEE | | SAID THAT HPCS IS STILL CONSIDERED FULLY OPERABLE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE ON 05/30/97 @ 0624EDT BY MIKE KELLEY TAKEN BY MACKINNON * * * | | | | HPCS WAS DECLARED INOPERABLE PER TECHNICAL SPECIFICATION 3.5.1 WHEN THE | | LICENSEE TAGGED IT OUT OF SERVICE TO REPLACE THE THERMAL RELIEF VALVE. THE | | LICENSEE EXITED TECHNICAL SPECIFICATION 3.6.1.1 AT 2013CDT WHEN THE RELIEF | | VALVE WAS REPLACED AND THEN EXITED TECHNICAL SPECIFICATION 3.5.1 AT 0006CDT | | ON 5/30/97 AFTER HPCS WAS RETURNED TO SERVICE. R4DO (JOHN PELLET) NOTIFIED. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE OF THIS | | INFORMATION. | +------------------------------------------------------------------------------+