U.S. Nuclear Regulatory Commission Operations Center Event Reports For 08/22/95 - 08/23/95 ** EVENT NUMBERS ** 29218 29226 29227 29228 29229 29230 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29218 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 08/19/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 00:04 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 08/18/95 | +------------------------------------------------+EVENT TIME: 23:40[EDT]| |NRC NOTIFIED BY: STEPHENSON |LAST UPDATE DATE: 08/22/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 95 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH FLOW RATE FOR THE TECHNICAL SUPPORT CENTER (TSC) VENTILATION SYSTEM IN | | THE RECIRCULATION MODE MAY HAVE LED TO THE DEGRADATION OF THE CHARCOAL | | ADSORBERS. | | | | ROUTINE TESTING OF THE TSC VENTILATION SYSTEM FOUND THE FLOW RATE IN THE | | RECIRCULATION MODE WAS EXCESSIVE. THE FLOW RATE WAS MEASURED TO BE 4,600 | | cfm INSTEAD OF THE REQUIRED 3,000 cfm. THIS HIGH FLOW RATE MAY DEGRADE THE | | EFFICIENCY OF THE CHARCOAL ADSORBERS. DEGRADED ADSORBER EFFICIENCY COULD | | RESULT IN LOSS OF HABITABILITY OF THE TSC. | | | | THE LICENSEE HAS CORRECTED THE HIGH FLOW RATE CONDITION BY REPOSITIONING | | SOME DAMPERS. THE LICENSEE WILL BE FURTHER INVESTIGATING TO DETERMINE | | THE CAUSE AND HOW LONG THE TSC VENTILATION SYSTEM WAS IN THIS CONDITION. | | THE TSC VENTILATION SYSTEM IS CURRENTLY OPERABLE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | *** UPDATE AUGUST 22, 1995, @ 16:37 BY SULLIVAN TO GOULD *** | | | | THE LICENSEE REPORTED THAT THE STATUS OF THE TSC VENTILATION SYSTEM SHOULD | | BE CURRENTLY INOPERABLE NOT OPERABLE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29226 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 08/22/95 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 12:08 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/22/95 | +------------------------------------------------+EVENT TIME: 11:25[EDT]| |NRC NOTIFIED BY: PTACEK |LAST UPDATE DATE: 08/22/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |BRUCE JORGENSEN RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |DENNIG EO | |AFIR 50.72(b)(1)(vi) FIRE (ONSITE) |WRIGHT FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED A FIRE IN THE AUXILIARY BUILDING THAT WAS | | EXTINGUISHED WITHIN 8 MINUTES. | | | | THIS OCCURRED WHILE THE LICENSEE WAS INSTALLING SOME FLASHING MATERIAL | | AGAINST A VENT SUPPORT WHICH REQUIRED HEAT ON THE FLASHING TAR TO MAKE A | | SEAL. THE FLAME USED TO SEAL THE FLASHING SOME HOW WENT BEHIND THE | | FLASHING AND CAUGHT FIRE TO THE 2X4 WOOD VENT SUPPORT. THE FIRE WAS | | EXTINGUISHED WITHIN 8 MINUTES BY THE ONSITE FIRE BRIGADE. A RE-FLASH WATCH | | HAS BEEN ESTABLISHED, AND THE UNUSUAL EVENT WAS TERMINATED AT 11:33. THE | | NRC RESIDENT INSPECTOR AND STATE AND LOCAL AGENCIES WERE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29227 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 08/22/95 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 12:29 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 08/22/95 | +------------------------------------------------+EVENT TIME: 12:06[EDT]| |NRC NOTIFIED BY: WILSON |LAST UPDATE DATE: 08/22/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD CONTE RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE PLANT ENTERED A TECHNICAL SPECIFICATION REQUIRED SHUTDOWN DUE TO THE | | AUTOMATIC DEPRESSURIZATION SYSTEM (ADS) BEING LOST FOR 2 MINUTES. | | | | THIS OCCURRED WHILE THE LICENSEE WAS REPLACING THE CORE SPRAY SYSTEM PUMP | | FAILURE SWITCH (RV-29D) BECAUSE IT HAD FAILED A SURVEILLANCE. DUE TO THE | | WAY THE CIRCUIT WAS WIRED WITH THE FAILED SWITCH LEAD AND THE ADS LEAD | | GOING INTO A SINGLE CONTACT, THERE WAS A POSSIBILITY THAT WHILE THE | | LICENSEE DISCONNECTED THE SWITCH LEAD, THE ADS LEAD COULD ALSO LOSE | | CONTACT. THE LICENSEE DID THIS STEP WITH A METER CONNECTED, AND WHEN THE | | FAILED SWITCH WAS DISCONNECTED, THE ADS LOGIC WAS LOST FOR APPROXIMATELY 2 | | MINUTES UNTIL THE LEAD WAS TIGHTENED. THE NRC RESIDENT INSPECTOR WAS | | INFORMED. STATE AND LOCAL AGENCIES WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |RESEARCH REACTOR | |EVENT NUMBER: 29228 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NATIONAL INST OF STANDARDS & TECH |NOTIFICATION DATE: 08/22/95 | | RXTYPE: 20000 KW TEST |NOTIFICATION TIME: 13:01 [ET]| |COMMENTS: |EVENT DATE: 08/22/95 | | |EVENT TIME: 12:30[EDT]| | |LAST UPDATE DATE: 08/22/95 | | CITY: GAITHERSBURG REGION: 1 +-----------------------------+ | COUNTY: MONTGOMERY STATE: MD |PERSON ORGANIZATION| |LICENSE#: TR-5 AGREEMENT: N |RICHARD CONTE RDO | | DOCKET: 05000184 |DENNIG EO | +------------------------------------------------+HERSKO FEMA | |NRC NOTIFIED BY: WILKINSON |BUSH IAT | |HQ OPS OFFICER CHAUNCEY GOULD |DAVIDSON IAT | +------------------------------------------------+ | |EMERGENCY CLASS: UNUSUAL EVENT | | |10 CFR SECTION: | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT IT RECEIVED A BOMB THREAT. IMMEDIATE | | COMPENSATORY MEASURES HAVE BEEN TAKEN. SEE LOG FOR DETAILS. | | | | *** UPDATE AT 13:25 ON AUGUST 22, 1995, BY WILKINSON TO GOULD *** | | | | THE UNUSUAL EVENT WAS TERMINATED, AND THE SEARCH RESULTS WERE NEGATIVE. | | THE FBI WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29229 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 08/22/95 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:32 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/22/95 | +------------------------------------------------+EVENT TIME: 10:00[CDT]| |NRC NOTIFIED BY: PETELLE |LAST UPDATE DATE: 08/22/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE JORGENSEN 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 +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED A SPILL OF 150 GALLONS OF SODIUM HYPOCHLORITE TO THE | | ILLINOIS ENVIRONMENTAL PROTECTION AGENCY. | | | | THIS OCCURRED WHILE THE LICENSEE WAS UNLOADING A SODIUM HYPOCHLORITE TRUCK, | | AND THE HOSE CONNECTED TO THE TANK SIDE BECAME DISCONNECTED WHILE THE TRUCK | | WAS STILL PRESSURIZED. APPROXIMATELY 150 GALLONS OF SODIUM HYPOCHLORITE | | SPILLED ON THE GROUND, BUT NOBODY WAS INJURED. THE SPILL OCCURRED ON SITE. | | THE LICENSEE CONSIDERS THIS A HAZMAT MEDIUM SPILL AND NOTIFIED THE ILLINOIS | | ENVIRONMENTAL PROTECTION AGENCY. THIS EVENT MAY ALSO BE CONSIDERED AN NPDES | | NONCOMPLIANCE, SO THE LICENSEE IS CONTINUING ITS EVALUATION. THE SPILL WAS | | DILUTED AND WASHED DOWN THE DRAIN. THE NRC RESIDENT INSPECTOR WAS | | INFORMED, AND OTHER AGENCIES WERE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29230 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 08/22/95 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 18:16 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/22/95 | +------------------------------------------------+EVENT TIME: 17:20[EDT]| |NRC NOTIFIED BY: GANE |LAST UPDATE DATE: 08/22/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE JORGENSEN RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNAUTHORIZED ENTRY INTO THE PROTECTED AREA. COMPENSATORY MEASURES WERE | | TAKEN ON DISCOVERY. SEE HOO LOG FOR DETAILS. THE NRC RESIDENT INSPECTOR | | WAS INFORMED. | +------------------------------------------------------------------------------+