U.S. Nuclear Regulatory Commission Operations Center Event Reports For 11/17/94 - 11/18/94 ** EVENT NUMBERS ** 28041 28042 28043 28044 28045 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28041 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 11/17/94 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 11:08 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 11/17/94 | +------------------------------------------------+EVENT TIME: 07:30[PST]| |NRC NOTIFIED BY: WELLS |LAST UPDATE DATE: 11/17/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED THAT AN INDIVIDUAL THAT HAD BEEN INVOLVED IN A | | CRIMINAL ACT WAS GRANTED UNESCORTED ACCESS. SEE HOO LOG FOR DETAILS. THE | | RI WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 28042 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: DOW CORNING CORP, MIDLAND, MI |NOTIFICATION DATE: 11/17/94 | | CITY: MIDLAND REGION: 3 |NOTIFICATION TIME: 17:17 [ET]| | COUNTY: STATE: MI |EVENT DATE: 11/17/94 | |LICENSE#: AGREEMENT: N |EVENT TIME: 15:00[EST]| | DOCKET: |LAST UPDATE DATE: 11/17/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | | | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: DENNIS BUCKLER | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |CCCC 21.21 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - #96-081 RTV ADHESIVE/SEALANT FAILED FLAME SELF-EXTINGUISHING TIME TEST - | | | | DOW CORNING CORPORATION, MIDLAND, MICHIGAN, NOTIFIED THEIR CUSTOMERS | | (SUPPLIERS TO NUCLEAR UTILITIES) THAT RETESTS OF SAMPLES OF DOW CORNING | | #96-081 RTV ADHESIVE/SEALANT PREVIOUSLY SHIPPED HAD FAILED TO MEET THE | | SALES SPECIFICATION FOR FLAME SELF-EXTINGUISHING TIME TEST. | | | | THIS TEST MEASURES THE HOW LONG A SAMPLE OF MATERIAL WILL BURN AFTER | | IGNITION AND REMOVAL OF A FLAME. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28043 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 11/17/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 17:46 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 11/17/94 | +------------------------------------------------+EVENT TIME: 17:30[EST]| |NRC NOTIFIED BY: BOB GALLAHER |LAST UPDATE DATE: 11/17/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE RDO | |AUNA 50.72(b)(1)(ii)(A) UNANALYZED COND OP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 RELIEF VALVES ARE NEEDED FOR UNIT 1 POPS DURING CERTAIN LTOP CONDITIONS- | | | | THE CURRENT DESIGN BASIS FOR THE UNIT 1 PRESSURIZER OVERPRESSURE PROTECTION | | SYSTEM (POPS) IS THAT 1 POWER OPERATED RELIEF VALVE (PORV) PROVIDES | | ADEQUATE PRESSURE RELIEVING CAPACITY DURING AN OVERPRESSURE TRANSIENT. | | | | HOWEVER, LICENSEE DETERMINED THAT IF A SAFETY INJECTION ACTUATION WERE TO | | OCCUR WHILE THE Rx COOLANT SYSTEM TEMPERATURE IS LESS THAN 200 DEGREES F | | AND THE POSITIVE DISPLACEMENT CHARGING PUMP IS IN OPERATION, THE COMBINED | | FLOW FROM THE OPERATING POSITIVE DISPLACEMENT CHARGING PUMP, 1 CENTRIFUGAL | | CHARGING PUMP, AND 1 REACTOR COOLANT PUMP WOULD EXCEED THE TECH SPEC | | PRESSURE/TEMPERATURE LIMIT FOR THE POPS DURING LOW TEMPERATURE OVERPRESSURE | | PROTECTION (LTOP) CONDITIONS. | | | | LICENSEE HAS INSTITUTED ADMINISTRATIVE CONTROLS TO ENSURE THAT RHR RELIEF | | VALVE #RH-3 IS AVAILABLE AND THE ASSOCIATED RHR ISOLATION VALVE IS LOCKED | | OPEN WITH POWER REMOVED, AS WELL AS 1 PORV BEING AVAILABLE, TO MITIGATE | | THE MASS ADDITION TRANSIENT DURING THE ABOVE LTOP CONDITIONS. | | | | UNIT 2 DOES NOT HAVE THIS SITUATION. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28044 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 11/17/94 | |UNIT: [1] [2] [3] STATE: AL |NOTIFICATION TIME: 19:44 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 11/17/94 | +------------------------------------------------+EVENT TIME: 16:05[CST]| |NRC NOTIFIED BY: M. MORROW |LAST UPDATE DATE: 11/17/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |EDWARD MCALPINE 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 N 0 REFUELING | 0 REFUELING | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 3 | N N 0 REFUELING | 0 REFUELING | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -SODIUM HYPOCHLORITE RELEASED TO TENN RIVER IN EXCESS OF PERMITTED LIMITS- | | | | ON 11/16/94, DURING CHLORINATION OF THE RAW WATER COOLING SYSTEM, | | LICENSEE RELEASED SODIUM HYPOCHLORITE TO THE TENNESSEE RIVER IN EXCESS | | OF PERMITTED LIMITS DUE TO IMPROPER THROTTLING OF A FLOW CONTROL VALVE | | ON THE HYPOCHLORITE STORAGE TANK. | | | | LICENSEE NOTIFIED ALABAMA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT, | | ALABAMA EMERGENCY MANAGEMENT AGENCY, AND THE NATIONAL RESPONSE CENTER | | THAT THE LIQUID RELEASE EXCEEDED THE COMPREHENSIVE ENVIRONMENTAL RESPONSE | | COMPENSATION AND LIABILITY ACT LIMIT BY 367 LBM AND THE NATIONAL POLLUTANT | | DISCHARGE ELIMINATION SYSTEM LIMIT FOR CHLORINE BY 173.2 LBM. | | | | LICENSEE HAS STOPPED THE DISCHARGE. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28045 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 11/18/94 | |UNIT: [1] [2] [ ] STATE: NJ |NOTIFICATION TIME: 04:11 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 11/18/94 | +------------------------------------------------+EVENT TIME: 01:03[EST]| |NRC NOTIFIED BY: HAMILTON |LAST UPDATE DATE: 11/18/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE 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 | 98 POWER OPERATION | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE HAD AN AUTO START OF THE UNIT 2 EMERGENCY DIESELS DUE TO THE | | OPENING OF THE #4 STATION POWER TRANSFORMER(SPT) LOAD BREAK DISCONNECT. | | THE CAUSE FOR THIS SPT LOAD BREAK DISCONNECT OPENING IS UNKNOWN AND BEING | | INVESTIGATED AT THIS TIME. THIS CONDITION CAUSED THE #14 & #23 SPT TO | | BECOME DEENERGIZED. AFFECTS ON UNIT 1 WERE THE "1C" 4KV VITAL BUS BEING | | TRANSFERRED TO #13 SPT AND #14 CIRC WATER 4KV BUS BECOMING DEENERGIZED, | | RESULTING IN THE LOSS OF 2 CIRCULATORS. THE THIRD CIRCULATOR ON THIS BUS | | WAS ALREADY OUT OF SERVICE FOR MAINTENANCE. UNIT 1 POWER WAS INITIALLY | | REDUCED FROM 100% TO 98% DUE TO THE REDUCED CONDENSER COOLING. AFFECTS ON | | UNIT 2 ARE THE "2B" & "2C" 4KV VITAL BUSES BEING DEENERGIZED AS A RESULT OF | | THE LOSS OF #23 SPT. THESE BUSES WERE REENERGIZED BY THEIR RESPECTIVE | | DIESEL GENERATORS("2B" & "2C"). NOTE, ONLY ONE SOURCE OF OFFSITE POWER WAS | | AVAILABLE BECAUSE OF THE ONGOING REFUELING OUTAGE. BY DESIGN, THE BLACKOUT | | SEQUENCER SECURED THE INSERVICE SPENT FUEL PIT PUMP. THIS PUMP WAS | | RESTARTED WITHIN 18 MINS WITH NO NOTICEABLE TEMPERATURE INCREASES IN THE | | SPENT FUEL PIT. THE DIESELS ARE STILL RUNNING UNTIL THEY DETERMINE THE | | CAUSE OF THE PROBLEM AND MAKE CORRECTIVE ACTIONS. THE RI WAS INFORMED ALONG | | WITH LOCAL AGENCIES. | | | +------------------------------------------------------------------------------+