U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/17/97 - 07/18/97 ** EVENT NUMBERS ** 32615 32643 32644 32645 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32615 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 07/12/97 | |UNIT: [ ] [2] [ ] STATE: NC |NOTIFICATION TIME: 14:55 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/12/97 | +------------------------------------------------+EVENT TIME: 12:27[EDT]| |NRC NOTIFIED BY: IDDINGS |LAST UPDATE DATE: 07/17/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUNO URYC 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ICE CONDENSER LOWER INLET DOORS OPENED AS A RESULT OF THE UPPER CONTAINMENT | | AIRLOCK DOORS BEING OPENED. | | | | AT APPROXIMATELY 1227 EDT ON 07/12/97, REACTOR OPERATIONS RECEIVED CONTROL | | ROOM ANNUNCIATOR INDICATIONS THAT THE LOWER ICE CONDENSER DOORS WERE OPEN. | | PERSONNEL HAD OPENED THE UPPER CONTAINMENT AIRLOCK RESULTING IN AN INCREASE | | IN PRESSURE ACROSS THE LOWER ICE CONDENSER INLET DOORS. THIS IN TURN | | RESULTED IN THE LOWER INLET DOORS OPENING. THERE WERE NO INDICATIONS OF ANY | | LINE BREAKS IN CONTAINMENT. THE UNIT WAS IN MODE 5 (COLD SHUTDOWN) COOLING | | DOWN FOR MAINTENANCE ON THE "2D" REACTOR COOLANT PUMP. (REFER TO EVENT | | #32609 FOR ADDITIONAL INFORMATION.) THE ICE CONDENSER DOORS ARE ENGINEERED | | SAFETY FEATURES FOR CONTAINMENT. THERE WERE NO ADVERSE AFFECTS ON ANY PLANT | | SYSTEMS, STRUCTURES, AND COMPONENTS. THE PLANT CONDITIONS WERE UNAFFECTED | | BY THE OPENING OF THE LOWER ICE CONDENSER INLET DOORS. THE NRC RESIDENT | | INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | * * * UPDATE AT 1430 ON 07/17/97 BY JOHN WASHAM ENTERED BY JOLLIFFE * * * | | | | A VISUAL INSPECTION OF THE UNIT 2 ICE CONDENSER LOWER INLET DOORS BY | | LICENSEE PERSONNEL REVEALED THAT ONE DOOR HAD OPENED APPROXIMATELY | | 12 INCHES AND A SECOND DOOR HAD CRACKED OFF ITS SEATING SURFACE AND | | THAT NO ICE HAD MELTED FOLLOWING THE OPENING OF THESE DOORS. LICENSEE | | PERSONNEL DETERMINED THAT THE SLIGHT DOOR MOVEMENTS WERE CAUSED BY AN AIR | | PRESSURE INCREASE DURING A MAINTENANCE ACTIVITY WHICH IS NOT AN ENGINEERED | | SAFETY FEATURES ACTUATION. THUS, THE LICENSEE DESIRES TO RETRACT THIS | | EVENT NOTIFICATION. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | THE OPERATIONS OFFICER NOTIFIED R2DO JOHN POTTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32643 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PRAIRIE ISLAND REGION: 3 |NOTIFICATION DATE: 07/17/97 | |UNIT: [1] [2] [ ] STATE: MN |NOTIFICATION TIME: 16:15 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 07/17/97 | +------------------------------------------------+EVENT TIME: 13:30[CDT]| |NRC NOTIFIED BY: LES ANDERSON |LAST UPDATE DATE: 07/17/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - STATE NOTIFIED OF A FISH KILL DUE TO HOT COOLING TOWER WATER - | | | | THE LICENSEE DISCOVERED APPROXIMATELY 200 DEAD FISH IN THE PLANT | | CIRCULATING WATER DISCHARGE CANAL. THE LICENSEE BELIEVES THAT THE FISH | | KILL IS THE RESULT OF COOLING TOWER SYSTEM MANIPULATIONS (i.e., HOT WATER) | | MADE OVER THE PREVIOUS 24 HOURS TO HELP ALLEVIATE HIGH SYSTEM ELECTRICAL | | LOAD DEMANDS. | | | | THE LICENSEE NOTIFIED THE MINNESOTA POLLUTION CONTROL AGENCY, THE MINNESOTA | | DEPARTMENT OF NATIONAL RESOURCES, AND THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32644 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 07/17/97 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 21:27 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/17/97 | +------------------------------------------------+EVENT TIME: 17:34[EDT]| |NRC NOTIFIED BY: RAY LANDIS |LAST UPDATE DATE: 07/17/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HERB WILLIAMS 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - GROUP 6A PCIS INITIATED FOR UNITS 1 & 2 DUE TO HI-HI RAD MONITOR SIGNAL - | | | | AT 1734, WHILE TECHNICIANS WERE PERFORMING A PURGE OF THE UNIT 1 DRYWELL, | | A GROUP 6A PRIMARY CONTAINMENT ISOLATION SIGNAL (PCIS) WAS INITIATED FOR | | UNITS 1 & 2 DUE TO ONE OF THREE NORTH STACK ACCIDENT RAD MONITORS (WIDE | | RANGE) EXCEEDING ITS HI-HI SETPOINT. NO VALVE MOTION OCCURRED ON EITHER | | UNIT SINCE ALL THE GROUP 6A ISOLATION VALVES WERE ALREADY CLOSED. | | | | AT 2120, ALL SYSTEMS WERE RESET TO NORMAL. | | | | THERE WERE NO INDICATIONS OF AN ACTUAL OFFSITE RAD RELEASE. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THIS EVENT AND SUSPECTS THAT THE | | WIDE RANGE RAD MONITOR IS FAULTY. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32645 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 07/18/97 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 03:39 [ET]| |RX TYPE: [3] CE |EVENT DATE: 07/18/97 | +------------------------------------------------+EVENT TIME: 02:20[CDT]| |NRC NOTIFIED BY: GRUBB |LAST UPDATE DATE: 07/18/97 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |STUART RICHARDS EO | | |CALDWELL FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT - HURRICANE WARNING FOR ST. CHARLES PARISH | | | | THE LICENSEE DECLARED AN UNUSUAL EVENT IAW THEIR EMERGENCY PLAN WHEN A | | HURRICANE WARNING WAS DECLARED FOR ST. CHARLES PARISH, LA. HURRICANE DANNY | | IS APPROXIMATELY 40 MILES SW OF BOOTHVILLE, LA. THE HURRICANE HAS MAXIMUM | | SUSTAINED WINDS OF 75 MPH AND IS MOVING VERY SLOWLY TO THE NORTHEAST. | | | | THE LICENSEE IS IN MODE FOUR MAKING PREPARATIONS TO GO TO MODE FIVE. THE | | UNIT HAS BEEN SHUTDOWN SINCE APRIL 11TH. ALL OFFSITE POWER SOURCES ARE | | AVAILABLE AS ARE ALL EMERGENCY DIESEL GENERATORS. | | | | THE LICENSEE NOTIFIED THE LA OFFICE OF EMERGENCY PREPAREDNESS AND THE EOCs | | FOR ST. CHARLES AND ST. JOHNS PARISHES. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+