U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/28/98 - 07/29/98 ** EVENT NUMBERS ** 34580 34581 34582 34583 34584 34585 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34580 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 07/28/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 01:42 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/27/98 | +------------------------------------------------+EVENT TIME: 23:15[CDT]| |NRC NOTIFIED BY: TERRY D'ORAZIO |LAST UPDATE DATE: 07/28/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED 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 99 POWER OPERATION | 99 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTAINMENT VENTILATION ISOLATION ON BOTH UNITS DUE TO AN INVALID SIGNAL | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "AT 2315 [CDT ON 07/27/98,] 345-KV LINE 0103 TO LASALLE [STATION] | | AUTOMATICALLY TRIPPED DUE TO A FAULT[, AND] 345-KV BREAKERS 9-10 AND 9-15 | | TRIPPED OPEN IN RESPONSE TO THE FAULT. A CONTAINMENT ISOLATION SIGNAL FOR | | CONTAINMENT VENTILATION WAS RECEIVED FOR UNIT 1 AND UNIT 2. THE CAUSE OF | | THE SIGNAL[S] APPEARS TO BE A VOLTAGE SPIKE ON THE 1/2AR11J AND 1/2AR12J | | [AREA RADIATION MONITORS]. THE ISOLATION VALVES WERE CLOSED AT THE TIME OF | | THE ACTUATION[, AND THERE WAS NO VALVE MOVEMENT]. THE ACTUATION SIGNALS | | WERE INVALID AND [WERE] SUBSEQUENTLY RESET. THE CAUSE OF THE [INITIAL] | | FAULT IS STILL UNDER INVESTIGATION." | | | | THE LICENSEE REPORTED THAT ALL SYSTEMS FUNCTIONED AS REQUIRED AND THAT | | THERE WAS NOTHING THAT WAS UNUSUAL OR NOT UNDERSTOOD WITH THE EXCEPTION OF | | THE INITIAL FAULT. THE OPENING OF 345-KV BREAKERS 9-10 AND 9-15 IS | | BELIEVED TO BE THE CAUSE OF THE VOLTAGE SPIKE ON AREA RADIATION MONITORS | | 1/2AR11J AND 1/2AR12J, AND IT IS BELIEVED THAT THIS VOLTAGE SPIKE IN TURN | | CAUSED THE CONTAINMENT VENTILATION ISOLATION SIGNALS ON BOTH UNITS. | | | | NOTE: THE LINE WITH THE INITIAL FAULT (345-KV LINE 0103) WAS REPORTED TO | | BE ONE OF SIX OFFSITE POWER LINES. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | * * * RETRACTION 1300 7/28/98 FROM STEFAN TAKEN BY STRANSKY * * * | | | | THE LICENSEE IS RETRACTING THIS NOTIFICATION. THE CONTAINMENT VENTILATION | | ISOLATION SIGNAL WAS DUE TO AN INVALID SIGNAL AND THE SAFETY FUNCTION HAD | | ALREADY BEEN COMPLETED. THE FUEL HANDLING BUILDING VENTILATION SYSTEM DID | | NOT START, BUT THIS WAS DETERMINED NOT TO BE REPORTABLE DUE TO THE | | EXCEPTIONS PROVIDED IN 10 CFR 50.72(b)(2)(ii). THE NRC RESIDENT INSPECTOR | | HAS BEEN INFORMED BY THE LICENSEE. NOTIFIED R3DO(LEACH). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 34581 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: GUARDIAN AUTOMOTIVE |NOTIFICATION DATE: 07/28/98 | | CITY: EVANSVILLE REGION: 3 |NOTIFICATION TIME: 14:53 [ET]| | COUNTY: STATE: IN |EVENT DATE: 07/06/98 | |LICENSE#: AGREEMENT: N |EVENT TIME: 00:00[EDT]| | DOCKET: |LAST UPDATE DATE: 07/28/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |MELVYN LEACH RDO | | |LARRY CAMPER EO | +------------------------------------------------+ | |NRC NOTIFIED BY: WILLIAM PETERS | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOST STATIC ELIMINATOR | | | | THE CALLER REPORTED THAT AN NRD MODEL P-2051 DESTAT GUN (SERIAL #92607) HAS | | BEEN LOST AND MAY HAVE BEEN DISCARDED IN THE TRASH. THE DEVICE CONTAINS A | | 10 mCi Po-210 SOURCE. THE DEVICE WAS FIRST DISCOVERED TO BE MISSING ON | | 7/6/98, AND EXTENSIVE SEARCHES OF THE FACILITY HAVE NOT BEEN SUCCESSFUL. | | NRC REGION 3 HAS BEEN INFORMED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34582 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 07/28/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 15:29 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/28/98 | +------------------------------------------------+EVENT TIME: 13:24[EDT]| |NRC NOTIFIED BY: T. TRAGMAN |LAST UPDATE DATE: 07/28/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL MODES 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 +------------------------------------------------------------------------------+ | MANUAL CONTROL ROOM VENTILATION ISOLATION DUE TO FREON LEAK | | | | A MANUAL CONTROL ROOM VENTILATION CHLORINE ISOLATION WAS MANUALLY INITIATED | | IN RESPONSE TO A SMALL FREON LEAK. THE LEAK WAS IDENTIFIED DURING | | TROUBLESHOOTING OF THE "1A" DRYWELL CHILLER. THE CHILLER WAS IMMEDIATELY | | SECURED AND ALL PERSONNEL WERE EVACUATED FROM THE AREA. THE FREON LEAK | | STOPPED AFTER THE DRYWELL CHILLER WAS SECURED. SAMPLE RESULTS CONFIRMED | | THAT NO HAZARDOUS CONDITION EXISTED IN THE AREA SURROUNDING THE CHILLER. | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34583 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT CALHOUN REGION: 4 |NOTIFICATION DATE: 07/28/98 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 16:14 [ET]| |RX TYPE: [1] CE |EVENT DATE: 07/28/98 | +------------------------------------------------+EVENT TIME: 10:00[CDT]| |NRC NOTIFIED BY: ERICK MATZKE |LAST UPDATE DATE: 07/28/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CAIN 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FITNESS FOR DUTY REPORT | | | | A NONLICENSED SUPERVISOR WAS FOUND TO BE NEAR THE LIMIT FOR ALCOHOL DURING | | A RANDOM SCREENING. ALTHOUGH NOT CONFIRMED POSITIVE, THE INDIVIDUAL WAS | | DETAINED IN THE FITNESS FOR DUTY AREA (OUTSIDE OF THE PROTECTED AREA) AND | | WAS REFERRED TO THE EMPLOYEE ASSISTANCE PROGRAM. THE NRC RESIDENT INSPECTOR | | HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34584 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 07/28/98 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 17:28 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/28/98 | +------------------------------------------------+EVENT TIME: 16:33[EDT]| |NRC NOTIFIED BY: CARL RICH |LAST UPDATE DATE: 07/28/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL MODES RDO | |ADEG 50.72(b)(1)(ii) DEGRAD COND DURING OP | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | FIRE PROTECTION SYSTEM DELUGE VALVES DECLARED INOPERABLE | | | | THE LICENSEE HAS DISCOVERED THAT SIX HATCHWAY DELUGE VALVES (THREE EACH ON | | UNITS 1 AND 2) ASSOCIATED WITH REACTOR ENCLOSURE HATCHWAYS ARE UNABLE TO | | PERFORM THEIR DESIGN FUNCTION OF PASSING SYSTEM FLOW. THESE DELUGE VALVES | | HAVE BEEN DECLARED INOPERABLE, AND CONTINUOUS FIRE WATCHES HAVE BEEN | | POSTED. THE LICENSEE STATED THAT THIS NOTIFICATION WAS MADE IN ACCORDANCE | | WITH 10CFR50.72(b)(1)(ii) (SAFE SHUTDOWN SEPARATION) AND PARAGRAPH 2.c.3 OF | | THE FACILITY OPERATING LICENSE (LICENSE VIOLATION). THE NRC RESIDENT | | INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34585 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 07/28/98 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 23:58 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 07/28/98 | +------------------------------------------------+EVENT TIME: 21:03[CDT]| |NRC NOTIFIED BY: NOHR |LAST UPDATE DATE: 07/28/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MELVYN LEACH RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 96 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE REACTOR HAD A POWER REDUCTION DURING A TEST WHEN ONE ROD INSERTED INTO | | THE CORE DUE TO AN INVALID SCRAM SIGNAL. | | | | WHILE PERFORMING QCOS 0250-01, "MSIV CLOSURE MONTHLY SCRAM SENSOR CHANNEL | | FUNCTIONAL TEST", A 'B' RPS 1/2 SCRAM WAS INSERTED AND AT THAT TIME CONTROL | | ROD 38-55 INSERTED INTO THE CORE FROM POSITION '48' TO POSITION '00'. THE | | TESTING WAS HALTED AND AN INVESTIGATION HAS BEGUN TO DETERMINE THE CAUSE, | | BUT THEY SUSPECT IT MAY HAVE BEEN DUE TO A FAULTY SCRAM SOLENOID. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | +------------------------------------------------------------------------------+