U.S. Nuclear Regulatory Commission Operations Center Event Reports For 10/26/95 - 10/27/95 ** EVENT NUMBERS ** 29449 29453 29509 29510 29511 29512 29513 29514 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29449 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 10/12/95 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 16:10 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 10/12/95 | +------------------------------------------------+EVENT TIME: 14:25[CDT]| |NRC NOTIFIED BY: D. FLOWERS |LAST UPDATE DATE: 10/26/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |B J HOLT RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 99 POWER OPERATION | 99 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT 1 AND 2 MISCELLANEOUS EQUIPMENT ROOM VENTILATION SUPPLY FANS MAY | | BECOME INOPERABLE AS A RESULT OF A FIRE IN ZONE 11.6-0. | | | | THE FOLLOWING TEXT IS FROM A FACSIMILE SENT BY THE LICENSEE: | | "ON OCTOBER 9, 1995, BRAIDWOOD STATION NOTIFIED BYRON STATION THAT A REVIEW | | OF THE FIRE PROTECTION REPORT (FPR) SAFE SHUTDOWN ANALYSIS REVEALED THAT | | ANALYSIS CONCLUSIONS REGARDING THE AVAILABILITY OF UNIT 1 AND UNIT 2 | | MISCELLANEOUS EQUIPMENT ROOM VENTILATION SUPPLY FANS 1VE01C AND 2VE01C MAY | | BE INCORRECT. THE ERROR WAS IDENTIFIED AS A RESULT OF ONGOING ANALYSES TO | | RESOLVE THERMO-LAG BARRIER ISSUES AT BRAIDWOOD AND BYRON STATIONS. AT 1425 | | [CDT] ON OCT. 12, 1995, IT WAS DETERMINED THAT THE EXISTING CONFIGURATION | | WAS NOT IN COMPLIANCE WITH 10CFR50, APP R. | | | | THE EXISTING FPR DISCUSSION INCORRECTLY STATES THAT THE SUPPLY FANS WILL BE | | AVAILABLE AFTER A FIRE IN FIRE ZONES 11.6-0. MOTOR CONTROL CENTERS (MCCs) | | 132X4 & 232X4 WHICH POWER FANS 1VE01C AND 2VE01C COULD BE UNAVAILABLE AS A | | RESULT OF A FIRE IN ZONE 11.6-0. THESE MCCs ARE AFFECTED BECAUSE THEY ARE | | FED FROM COMMON SOURCE BREAKERS WITH MCCs 132X5 AND 232X5. THEREFORE, A | | FIRE INDUCED FAULT ON MCCs 132X5 & 232X5 OR THEIR ASSOCIATED FEED CABLES | | WILL RENDER THE POWER SOURCE FOR THE SUPPLY FANS, MCCs 132X4 & 232X4, | | UNAVAILABLE. | | | | THE SUPPLY FANS ARE SUPPORT EQUIPMENT FOR THE DIVISION 12 AND 22 125 Vdc | | ESF BUSES AND INSTRUMENT POWER BUSES 112, 114, 212, & 214. | | | | COMPENSATORY ACTIONS IN THE FORM OF HOURLY FIRE WATCHES HAVE BEEN IN PLACE | | IN THIS ZONE SINCE LATE 1992 DUE TO THERMO-LAG DEFICIENCIES. HOURLY FIRE | | WATCHES EXISTED IN THIS ZONE PRIOR TO 1992 FOR OTHER REASONS. DESIGN | | MODIFICATIONS ARE CURRENTLY BEING PROCESSED TO PERMANENTLY CORRECT THE | | WIRING CONFIGURATION TO ASSURE THE SUBJECT FANS WILL BE AVAILABLE FOLLOWING | | A FIRE IN ZONE 11.6-0." END OF TEXT. (SEE EVENT NUMBER 29447 FROM | | BRAIDWOOD FOR A SIMILAR EVENT.) | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | | | | * * * 10/13/95, UPDATE @ 17:04 EDT BY DAVE FLOWERS TAKEN BY MACKINNON * * * | | | | LICENSEE FOUND ANOTHER FIRE ZONE CONFIGURATION THAT IS NOT IN COMPLIANCE | | WITH 10 CFR PART 50, APP 'R', REQUIREMENTS ON 10/13/95, AT 15:30 CDT. | | | | THE FOLLOWING TEXT IS FROM A FACSIMILE SENT BY THE LICENSEE: | | "THE FIRE PROTECTION REPORT (FPR) SAFE SHUTDOWN ANALYSIS REVEALED THAT | | ANALYSIS CONCLUSIONS REGARDING THE AVAILABILITY OF UNIT 1 DIVISION 11 | | SWITCHGEAR VENT FANS 1VX04C AND DIESEL GENERATOR FUEL OIL TRANSFER PUMP | | 1DO01PC MAY BE INCORRECT. THE ERROR WAS IDENTIFIED AS A RESULT OF A FURTHER | | REVIEW OF DUAL FEED MCCs. | | | | MOTOR CONTROL CENTER (MCC) 131X5 WHICH POWERS FAN 1VX04C AND PUMP 1DO01PC | | COULD BE UNAVAILABLE AS A RESULT OF A FIRE IN ZONE 11.4-0. THIS MCC IS | | AFFECTED BECAUSE IT IS FED FROM A COMMON SOURCE BREAKER WITH MCC 131X3. | | THEREFORE, A FIRE INDUCED FAULT ON MCC 131X3 OR IT'S ASSOCIATED FEED CABLES | | WILL RENDER THE POWER SOURCE FOR THE VENT FAN AND FUEL OIL TRANSFER PUMP, | | UNAVAILABLE. | | | | COMPENSATORY ACTIONS IN THE FORM OF HOURLY FIRE WATCHES HAVE BEEN IN PLACE | | IN THIS ZONE SINCE LATE 1992 DUE TO THERMO-LAG DEFICIENCIES. HOURLY FIRE | | WATCHES EXISTED IN THIS ZONE PRIOR TO 1992 FOR OTHER REASONS. DESIGN | | MODIFICATIONS ARE CURRENTLY BEING PROCESSED TO PERMANENTLY CORRECT THE | | WIRING CONFIGURATION TO ASSURE THE SUBJECT FANS WILL BE AVAILABLE FOLLOWING | | A FIRE IN ZONE 11.4-0." END OF TEXT. | | | | THE R3DO (B. J. HOLT) WAS NOTIFIED BY THE HOO. THE RESIDENT INSPECTOR WAS | | INFORMED BY THE LICENSEE. | | | | * * * UPDATE AT 16:34 ON 10/26/95, BY BRINDLE ENTERED BY HOO JOLLIFFE * * * | | | | AT 14:55 CDT ON 10/26/95, DURING A REVIEW TO IDENTIFY PREVIOUS OCCURRENCES | | OF THE TYPE OF DISCREPANCIES REPORTED IN THIS EVENT, THE LICENSEE | | IDENTIFIED | | 11 ADDITIONAL ELECTRICAL CABLE TRAYS/CONDUITS THAT ARE NOT PROTECTED | | WITH A THERMO-LAG FIRE BARRIER (NRC GENERIC LETTER #92-08 ISSUE) | | WHEN THE BYRON FIRE PROTECTION REPORT SAFE SHUTDOWN ANALYSIS CONCLUDED | | (OR SHOULD HAVE CONCLUDED) THAT THEY SHOULD BE PROTECTED FROM FIRE. THE | | FOLLOWING EQUIPMENT IS POTENTIALLY IMPACTED BY THESE DISCREPANCIES: #1B | | AUXILIARY FEEDWATER PUMP, #1B CENTRIFUGAL CHARGING PUMP, #1A EMERGENCY | | DIESEL GENERATOR, #2A EMERGENCY DIESEL GENERATOR, #1RH8701A VALVE, AND #1A | | ESSENTIAL SERVICE WATER PUMP. COMPENSATORY ACTIONS IN THE FORM OF HOURLY | | FIRE WATCHES HAVE BEEN IN PLACE IN THESE FIRE ZONES SINCE PRIOR TO 1992 AND | | WILL REMAIN IN PLACE UNTIL THE FIRE BARRIER DISCREPANCIES ARE PERMANENTLY | | RESOLVED PRIOR TO 1997. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE | | R3DO (GARY SHEAR). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29453 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WOLF CREEK REGION: 4 |NOTIFICATION DATE: 10/13/95 | |UNIT: [1] [ ] [ ] STATE: KS |NOTIFICATION TIME: 18:00 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 10/13/95 | +------------------------------------------------+EVENT TIME: 16:15[CDT]| |NRC NOTIFIED BY: D DEES |LAST UPDATE DATE: 10/26/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LOWER BUMPERS ON THE CONTAINMENT HATCH MISSILE SHIELD WERE FOUND NOT TO | | HAVE BEEN INSTALLED. | | | | ENGINEERING REVIEW DISCOVERED THAT THE LOWER BUMPERS (TWO 18" TALL CHANNEL | | STEEL BEAMS) ON THE CONTAINMENT HATCH MISSILE SHIELD WERE NEVER INSTALLED. | | THESE BUMPERS WOULD RESTRICT THE MOVEMENT OF THE MISSILE SHIELD DURING A | | SEISMIC EVENT (WOULD PREVENT THE MISSILE SHIELD FROM COMING INTO CONTACT | | WITH THE CONTAINMENT STRUCTURE). THE LICENSEE WILL INSTALL THESE BUMPERS | | NEXT WEEK. | | | | RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | | | | * * * UPDATE AT 16:24 ON 10/26/95, BY YUNK ENTERED BY HOO JOLLIFFE * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION AFTER DETERMINING THAT | | THE CONTAINMENT BUILDING EQUIPMENT HATCH MISSILE SHIELD IS STILL ABLE TO | | PERFORM ITS DESIGN BASIS FUNCTION DURING A SEISMIC EVENT WITHOUT THE | | TWO RESTRAINTS INSTALLED. THE LICENSEE INTENDS TO INSTALL THESE RESTRAINTS | | BY THE END OF 1995. | | | | THE HOO NOTIFIED THE R4DO (LINDA HOWELL). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29509 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 10/26/95 | |UNIT: [1] [ ] [ ] STATE: TX |NOTIFICATION TIME: 01:30 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 10/25/95 | +------------------------------------------------+EVENT TIME: 21:27[CDT]| |NRC NOTIFIED BY: TIM BOWMAN |LAST UPDATE DATE: 10/26/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LINDA HOWELL 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC START OF A COMPONENT COOLING WATER (CCW) PUMP DUE TO AN APPARENT | | FAILURE OF AN ESSENTIAL COOLING WATER (ECW) PUMP DISCHARGE PRESSURE SWITCH | | | | AT 21:27 CDT, CCW PUMP 1B AUTOMATICALLY STARTED DUE TO AN APPARENT FAILURE | | OF THE ECW PUMP 1A DISCHARGE PRESSURE LOW SWITCH (PSL-6880A). CCW PUMP 1B | | IS DESIGNED TO AUTOMATICALLY START ON A LOW ECW DISCHARGE PRESSURE | | CONDITION ON ECW TRAINS 'A' AND 'C' WITH THE CCW/ECW MODE SELECTOR SWITCH | | IN THE 'STANDBY' POSITION. THE AUTOMATIC STARTING OF CCW PUMP 1B IS A | | NON-EMERGENCY AUTOMATIC ACTUATION OF AN ENGINEERED SAFEGUARDS FEATURE | | COMPONENT. | | | | PRIOR TO THE AUTOMATIC START OF CCW PUMP 1B, IT WAS IN THE STANDBY | | CONDITION, AND ALL THREE TRAINS OF ECW PUMPS WERE RUNNING. AT 21:25 CDT, | | THE CONTROL ROOM OPERATORS SECURED ECW PUMP 1C WITH THE TRAIN 'B' CCW/ECW | | MODE SELECTOR SWITCH IN THE 'OFF' POSITION. AT 21:27 CDT, THE CONTROL ROOM | | OPERATORS RETURNED THE TRAIN 'B' CCW/ECW MODE SELECTOR SWITCH TO THE | | 'STANDBY' POSITION; AND FOLLOWING A 15 SECOND TIME DELAY, CCW PUMP 1B | | AUTOMATICALLY STARTED DUE TO THE LOW DISCHARGE PRESSURE CONDITION ON ECW | | TRAIN 'C' AND DUE TO A FAILED DISCHARGE PRESSURE LOW SWITCH ON ECW TRAIN | | 'A'. CCW PUMP 1B FUNCTIONED AS DESIGNED THROUGHOUT THE EVENT. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29510 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 10/26/95 | |UNIT: [1] [2] [ ] STATE: WI |NOTIFICATION TIME: 10:15 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 10/26/95 | +------------------------------------------------+EVENT TIME: 08:30[CDT]| |NRC NOTIFIED BY: BRIAN KOPETSKY |LAST UPDATE DATE: 10/26/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ALCOHOL INADVERTENTLY BROUGHT ONSITE | | | | AT 08:30 CDT, THE LICENSEE DISCOVERED THAT AN INDIVIDUAL HAD INADVERTENTLY | | BROUGHT TWO SMALL (ONE OR ONE AND ONE HALF OUNCE) BOTTLES OF ALCOHOL | | (CURACAO) INTO THE PROTECTED AREA IN A BRIEFCASE ON 10/25/95 BETWEEN THE | | HOURS OF 08:00 CDT AND 16:00 CDT. THIS WAS SELF IDENTIFIED. APPARENTLY, | | THE INDIVIDUAL HAD BEEN TRAVELLING, HAD RECEIVED THE BOTTLES OF ALCOHOL AS | | A GIFT, AND HAD FORGOTTEN THAT THE BOTTLES OF ALCOHOL WERE IN HIS | | BRIEFCASE. THE INDIVIDUAL DISCOVERED THE BOTTLES LAST EVENING AT HOME AND | | BROUGHT IT TO THE ATTENTION OF HIS SUPERVISOR THIS MORNING. | | | | THE LICENSEE WILL NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29511 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 10/26/95 | |UNIT: [1] [2] [ ] STATE: WI |NOTIFICATION TIME: 12:15 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 10/26/95 | +------------------------------------------------+EVENT TIME: 08:29[CDT]| |NRC NOTIFIED BY: HEIDI GAUTHIER |LAST UPDATE DATE: 10/26/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR 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 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - AFW PUMP AUTO STARTED DUE TO TECHNICIAN REPLACING A RELAY INCORRECTLY - | | | | AT 08:29 CDT, WHILE PERFORMING A CALIBRATION OF THE SAFEGUARDS TIME DELAY | | RELAYS, A TECHNICIAN REPLACED A RELAY INCORRECTLY, RESULTING IN A START OF | | MOTOR-DRIVEN AUXILIARY FEEDWATER PUMP #AFP-38B. THIS PUMP SUPPLIES | | FEEDWATER TO UNIT 1 STEAM GENERATOR 'B' AND UNIT 2 STEAM GENERATOR 'B'. | | TECHNICIANS REMOVED THE RELAY, TESTED IT SATISFACTORILY, AND RE-INSTALLED | | IT. AT 09:09 CDT, TECHNICIANS STOPPED THE PUMP AND RESET ALL SYSTEMS TO | | NORMAL. NO WATER WAS SUPPLIED BY THIS PUMP TO EITHER STEAM GENERATOR (AS | | DESIGNED). THE LICENSEE IS EVALUATING THIS EVENT FOR GENERIC IMPLICATIONS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29512 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 10/26/95 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 13:52 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 10/26/95 | +------------------------------------------------+EVENT TIME: 09:20[CDT]| |NRC NOTIFIED BY: TERRY RATZLAFF |LAST UPDATE DATE: 10/26/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LINDA HOWELL 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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - PCIS GROUPS ACTUATED DUE TO BLOWN FUSE DURING JUMPER INSTALLATION - | | | | AT 09:20 CDT, WHILE REMOVING UNDERVOLTAGE TIME DELAY AUXILIARY RELAY | | #27X2-1A FROM THE 'A' 4160 VAC BUS FOR CALIBRATION, TECHNICIANS INSTALLED | | AN ELECTRICAL JUMPER WHICH CAUSED AN ELECTRICAL FUSE TO BLOW. THIS CAUSED | | FEEDER CIRCUIT BREAKER #2 TO TRIP OPEN ON AN UNDERVOLTAGE CONDITION AND | | SAFETY-RELATED BUS 'F' TO DE-ENERGIZE, CAUSING AN ESF ACTUATION OF PCIS | | GROUP 6 (PRIMARY CONTAINMENT VENTILATION SYSTEM ISOLATION, SBGT SYSTEM | | ACTUATION, AND SECONDARY CONTAINMENT ISOLATION) AND PCIS GROUPS 2 AND 7 | | (VARIOUS VALVES CLOSED). | | | | AT 09:25 CDT, THE LICENSEE REPLACED THE FUSE AND RESET ALL SYSTEMS TO | | NORMAL. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 29513 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: COGEMA MINING COMPANY |NOTIFICATION DATE: 10/26/95 | | CITY: CASPER REGION: 4 |NOTIFICATION TIME: 14:42 [ET]| | COUNTY: STATE: WY |EVENT DATE: 10/26/95 | |LICENSE#: SUA-1341 AGREEMENT: N |EVENT TIME: 09:00[MDT]| | DOCKET: |LAST UPDATE DATE: 10/26/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |LINDA HOWELL RDO | | |JOHN HICKEY, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: JOHN VASELIN, RAD SAF OFF | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - GROUND WATER PARAMETERS ABOVE URANIUM MINE LICENSE UPPER LIMITS - | | | | COGEMA MINING COMPANY HAS BEEN MINING URANIUM IN ITS IRIGARAY MINE LOCATED | | 90 MILES NORTHEAST OF CASPER, WYOMING. THE LICENSEE HAS BEEN RESTORING THE | | AREA AROUND THE MINE SINCE CEASING MINING OPERATIONS ABOUT A YEAR AGO. ON | | 10/23/95, THE FOLLOWING 2 OF 3 PARAMETERS MONITORED (CHLORIDES, | | CONDUCTIVITY, ALKALINITY) WERE DETECTED TO BE ABOVE THE LICENSE UPPER | | LIMITS (LUL) IN 2 OF THE WATER WELLS WHICH ARE USED TO MONITOR GROUND WATER | | AROUND THE MINE: | | | | WELL #M-2 - CHLORIDES - 19.5 PPM (LUL - 18.0 PPM) | | - CONDUCTIVITY - 926 MICROMHOS/CM (LUL - 685 MICROMHOS/CM) | | | | WELL #SSM-3 - CHLORIDES - 40.0 PPM (LUL - 38.5 PPM) | | - CONDUCTIVITY - 1584 MICROMHOS/CM (LUL - 1451 MICROMHOS/CM) | | | | THE LICENSEE PLANS TO SUBMIT A WRITTEN REPORT OF THIS EVENT TO THE NRC | | WITHIN 7 DAYS. THE LICENSEE HAS BEEN IN CONTACT WITH NMSS (JOE HOLONICH) | | AND WILL NOTIFY THE WYOMING DEPARTMENT OF ENVIRONMENTAL QUALITY. | | | | (REFER TO THE HOO LOG FOR COGEMA MINING COMPANY'S ADDRESS AND TELEPHONE | | NUMBER.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29514 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 10/27/95 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 06:06 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 10/27/95 | +------------------------------------------------+EVENT TIME: 02:56[CDT]| |NRC NOTIFIED BY: DAN GOODMAN |LAST UPDATE DATE: 10/27/95 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTROL ROOM HVAC SYSTEM INADVERTENTLY MADE INOPERABLE DURING PROCEDURE. | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "WHILE REMOVING THE NON ESSENTIAL CONTROL BUILDING HVAC SYSTEM FROM | | SERVICE, THE MAIN CONTROL ROOM SUPPLY FANS WERE INCORRECTLY SHUTDOWN. THE | | NON ESSENTIAL CONTROL BUILDING HVAC SYSTEM WAS BEING REMOVED FROM SERVICE | | TO SUPPORT OUTAGE MAINTENANCE ACTIVITIES. | | | | WITH THE MAIN CONTROL ROOM SUPPLY FANS NOT RUNNING THE CONTROL ROOM | | EMERGENCY VENTILATION SYSTEM IS CONSIDERED INOPERABLE. AT 0305 CST, THE | | ERROR HAD BEEN DETECTED AND ONE CONTROL ROOM HVAC SUPPLY FAN WAS RESTARTED, | | AND THE CONTROL ROOM EMERGENCY VENTILATION SYSTEM WAS AGAIN OPERABLE. | | | | DUE TO REFUELING OPERATIONS BEING IN PROGRESS THE CONTROL ROOM EMERGENCY | | VENTILATION SYSTEM IS REQUIRED TO BE OPERABLE. COOPER HAS A SINGLE TRAIN | | CONTROL ROOM EMERGENCY VENTILATION SYSTEM." | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR OF THIS EVENT. | +------------------------------------------------------------------------------+