U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/12/95 - 05/15/95 ** EVENT NUMBERS ** 28793 28794 28795 28796 28797 28798 28799 28800 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28793 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 05/11/95 | |UNIT: [1] [2] [ ] STATE: GA |NOTIFICATION TIME: 18:43 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/11/95 | +------------------------------------------------+EVENT TIME: 18:08[EDT]| |NRC NOTIFIED BY: BOB BROWN |LAST UPDATE DATE: 05/12/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 | | 2 | N N 0 | 0 | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FOUR ELECTRICAL PENETRATIONS BETWEEN THE CONTROL BUILDINGS AND THE | | EMERGENCY DIESEL GENERATOR (EDG) TUNNELS ARE IMPROPERLY SEALED. | | | | THE FOLLOWING IS THE TEXT OF A FAX FROM THE LICENSEE: | | "DURING THE DEVELOPMENT OF THE DCP FOR THE DIESEL GENERATOR GOVERNOR | | REPLACEMENT, A DISCREPANCY WAS IDENTIFIED WITH RESPECT TO TORNADO PRESSURE | | BARRIERS BETWEEN THE UNIT 1 AND UNIT 2 CONTROL BUILDINGS LEVEL B AND THE | | DIESEL GENERATOR ELECTRICAL TUNNELS. THIS DISCREPANCY WAS REFERRED TO | | ENGINEERING FOR A DESIGN REVIEW, AND ON 5-11-95 AT 1808 EDT, THE VEGP SITE | | WAS NOTIFIED OF THIS CONDITION. SPECIFICALLY, PENETRATIONS V12111Z11322-B, | | V12107Z11331-B, V22111Z1003-B, AND V22111Z1236-B LACK THE NECESSARY | | PENETRATION SEAL TO WITHSTAND A 3 PSI DIFFERENTIAL PRESSURE. THE ELECTRICAL | | TUNNELS COMMUNICATE WITH THE OUTSIDE ATMOSPHERE VIA HVAC VENTS WHICH ARE | | NECESSARY TO COOL THE TUNNEL. THEREFORE, IN THE ABSENCE OF THESE SEALS, A | | TORNADO COULD DEPRESSURIZE THE ELECTRICAL TUNNELS WHICH WOULD ULTIMATELY | | DEPRESSURIZE LEVEL B OF THE CONTROL BUILDING. PER DESIGN CRITERIA 1007, | | SAFETY RELATED EQUIPMENT LOCATED IN AREAS OF THE PLANT NOT DESIGNED TO BE | | ISOLATED FROM THE PRESSURE EFFECTS ASSOCIATED WITH TORNADOS (e.g., DIESEL | | GENERATOR BUILDING AND AUXILIARY FEEDWATER PUMP HOUSE) SHOULD BE DESIGNED | | FOR OR PROTECTED FROM TORNADO DEPRESSURIZATION. THE MAXIMUM | | DEPRESSURIZATION EXPECTED FOR THE VEGP IS 3 PSI AT A RATE OF 2 PSI/S AND A | | DURATION OF APPROXIMATELY 40 SECONDS. DESIGN CRITERIA 1007 INDICATES THAT | | LEVEL B OF THE CONTROL BUILDING IS TO REMAIN AT ATMOSPHERIC PRESSURE DURING | | ABNORMAL CONDITIONS INCLUDING A TORNADO. THEREFORE, THE ABSENCE OF SEALS | | FOR THE ABOVE PENETRATIONS CONSTITUTES A CONDITION THAT IS OUTSIDE THE | | DESIGN BASIS OF THE PLANT. [THE LICENSEE] IS IN THE PROCESS OF PREPARING A | | JUSTIFICATION FOR CONTINUED OPERATION (JCO), AND MAKING PREPARATIONS FOR | | THE INSTALLATION OF THE SEALS." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | ***UPDATE 5/12/95 @ 04:56 FROM HOPKINS TAKEN BY SEBROSKY *** | | THE LICENSEE HAS PERFORMED AN OPERABILITY DETERMINATION DUE TO THE PROBLEM | | WITH THE SEALS. THE LICENSEE MAINTAINS THAT THE POTENTIALLY AFFECTED | | EQUIPMENT CONTINUES TO MEET ALL TECHNICAL SPECIFICATION REQUIREMENTS | | INCLUDING SURVEILLANCE REQUIREMENTS. THEREFORE THE LICENSEE IS NOT | | CURRENTLY IN AN LCO BECAUSE OF THE PROBLEM. HOWEVER, THE LICENSEE WILL | | IMPLEMENT COMPENSATORY MEASURES THAT WILL REDUCE THE POTENTIAL EFFECTS OF A | | TORNADO DEPRESSURIZATION OF THE CONTROL BUILDING. THESE MEASURES CONSIST OF | | A STANDING ORDER TO OPEN EQUIPMENT AND ROOM DOORS IN THE EVENT OF A TORNADO | | WARNING DURING THE PERIOD PRIOR TO INSTALLATION OF THE NEW PENETRATION | | SEALS. | | | | THE PURPOSE OF OPENING THE DOORS IS TO PROVIDE A FLOW PATH BETWEEN THE UNIT | | 1 AND 2 DIESEL GENERATOR ELECTRICAL TUNNEL VENTS. THIS WILL PROVIDE A | | SOURCE OF APPROXIMATELY ATMOSPHERIC AIR TO LEVEL 'B' IN THE CONTROL | | BUILDING. THE PRESSURE INSIDE OF THE CONTROL BUILDING WILL BE REDUCED TO A | | VALUE APPROXIMATELY ONE HALF OF THE PRESSURE RESULTING FROM A TORNADO. THIS | | PRESSURE WILL HAVE NO ADVERSE IMPACT ON EQUIPMENT IMPORTANT TO SAFETY. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. HOO NOTIFIED | | R2DO(POTTER). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28794 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SURRY REGION: 2 |NOTIFICATION DATE: 05/12/95 | |UNIT: [ ] [2] [ ] STATE: VA |NOTIFICATION TIME: 02:04 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 05/11/95 | +------------------------------------------------+EVENT TIME: 22:31[EDT]| |NRC NOTIFIED BY: ALAN BAILOWAS |LAST UPDATE DATE: 05/12/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 | M/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR TRIP DUE TO 4 CONTROL RODS DROPPING INTO THE CORE DURING ROD | | CONTROL TROUBLE SHOOTING. | | | | PRIOR TO THE MANUAL REACTOR TRIP, TROUBLE SHOOTING OF A ROD CONTROL SYSTEM | | URGENT FAILURE WAS IN PROGRESS. FOUR CONTROL BANK 'B' RODS HAD BEEN PLACED | | ON THE ROD CONTROL DC HOLD CABINET TO ALLOW REPLACEMENT OF CIRCUIT CARDS IN | | THE ROD CONTROL POWER CABINET. WHILE TRANSFERRING THE AFFECTED CONTROL | | RODS BACK TO THE ROD CONTROL POWER CABINET, THE FOUR AFFECTED CONTROL RODS | | DROPPED INTO THE CORE. OPERATORS THEN MANUALLY TRIPPED THE PLANT IN | | ACCORDANCE WITH THE ROD CONTROL SYSTEM MALFUNCTION ABNORMAL PROCEDURE WHICH | | REQUIRES A MANUAL REACTOR TRIP WHEN MORE THAN 1 ROD DROPS INTO THE CORE. | | | | THE POST TRIP RESPONSE WAS NORMAL. ALL RODS INSERTED. THE ROD BOTTOM | | LIGHT FOR ROD M-10 WAS SLOW TO ILLUMINATE FOLLOWING THE TRIP. THIS HAS | | OCCURRED IN THE PAST AND WAS EXPECTED. NO PRIMARY RELIEFS OR POWER | | OPERATED RELIEF VALVES ACTUATED DURING THE EVENT. NO SECONDARY RELIEFS | | LIFTED, HOWEVER, THE 'C' MAIN STEAM POWER OPERATED RELIEF VALVE ACTUATED | | BRIEFLY DURING THE START OF THE TRANSIENT. ALL ELECTRICAL BUSSES | | TRANSFERRED AS EXPECTED. AUXILIARY FEEDWATER (AFW) AUTOMATICALLY INITIATED | | ON LOW LOW STEAM GENERATOR WATER LEVEL FOLLOWING THE TRIP. CURRENTLY STEAM | | GENERATOR WATER LEVELS ARE BEING MAINTAINED BY THE MAIN FEEDWATER SYSTEM | | AND AFW HAS BEEN SECURED. THE MAIN CONDENSER IS AVAILABLE AS A HEAT SINK. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 28795 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: KEESLER MEDICAL CENTER |NOTIFICATION DATE: 05/12/95 | | CITY: BILOXI REGION: 2 |NOTIFICATION TIME: 09:47 [ET]| | COUNTY: STATE: MS |EVENT DATE: 04/25/95 | |LICENSE#: 42-23539-01AF AGREEMENT: Y |EVENT TIME: 00:00[CDT]| | DOCKET: |LAST UPDATE DATE: 05/12/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |IAN BARNES RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: MAJOR RICHARD SPEER | | |HQ OPS OFFICER: JOSEPH SEBROSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MAJOR RICHARD SPEER OF THE US AIR FORCE IN SAN ANTONIO TEXAS CALLED TO | | REPORT A MISADMINISTRATION AT KEESLER MEDICAL CENTER IN BULOXI, | | MISSISSIPPI. (THE LICENSE FOR THE AIR FORCE HOSPITAL IN BULOXI IS | | ADMINISTERED FROM SAN ANTONIO.) | | | | THE MISADMINISTRATION OCCURRED DURING THE FIRST OF SEVERAL TREATMENTS TO A | | PATIENT WITH AN OMNITRON HIGH DOSE AFTER LOADER BRACHYTHERAPY MACHINE. THE | | LICENSEE BELIEVES THAT THE FIRST TREATMENT GIVEN ON 4/25/95 WAS | | ADMINISTERED 3 CENTIMETERS FROM THE INTENDED SITE. THE MISADMINISTRATION | | WAS NOT DISCOVERED UNTIL 5/9/95 WHEN THE HOSPITAL WAS ATTEMPTING TO | | ADMINISTER THE SECOND TREATMENT TO THE PATIENT. DURING THE PROCESS TO SET | | UP THE MACHINE FOR THE SECOND TREATMENT THE HOSPITAL RAN INTO PROBLEMS AND | | CALLED OMNITRON FOR ADVICE. DURING THE DISCUSSION WITH OMNITRON IT WAS | | DETERMINED, BASED ON THE PROCEDURE THAT THE LICENSEE WAS USING, THAT THE | | TREATMENT POINT WAS OFF BY 3 CENTIMETERS FROM THE INTENDED TREATMENT POINT | | FOR THE FIRST EXPOSURE. | | | | THERE ARE NO ADVERSE EFFECTS EXPECTED TO THE PATIENT, AND THE PATIENT WILL | | BE NOTIFIED. THE OVERALL DOSE TO THE PATIENT FOR THE SEVERAL TREATMENTS | | THAT ARE PLANNED WILL NOT CHANGE (i.e. THE LICENSEE WILL ADJUST THE | | REMAINING DOSES TO COMPENSATE FOR THE FIRST TREATMENT BEING OFF BY 3 | | CENTIMETERS.) | | | | THE LICENSEE IS CONTINUING TO INVESTIGATE THE PROBLEM. AT THIS TIME THE | | LICENSEE DOES NOT BELIEVE THAT THERE WERE ANY OTHER PATIENTS TREATED | | BETWEEN 4/25/95 AND 5/9/95 WITH THIS MACHINE. | | | | THE LICENSEE HAS DISCUSSED THIS EVENT WITH RIV (MCLEAN). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 28796 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UNIV'STY MED & DENT OF NEW JERSEY |NOTIFICATION DATE: 05/12/95 | | CITY: NEWARK REGION: 1 |NOTIFICATION TIME: 12:52 [ET]| | COUNTY: ESSEX STATE: NJ |EVENT DATE: 05/11/95 | |LICENSE#: 29-029-57-13 AGREEMENT: N |EVENT TIME: 15:30[EDT]| | DOCKET: |LAST UPDATE DATE: 05/12/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GENE KELLY RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: MR LANKA | | |HQ OPS OFFICER: RUDY KARSCH | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIVERSITY OF MEDICINE AND DENTISTRY OF NEW JERSEY, NEWARK CAMPUS | | PATIENT RECEIVED A 10% TOO SMALL DOSE BECAUSE THE SOURCE CAME OUT OF THE | | CARRIER. | | | | A BRACHYTHERAPY PATIENT WAS UNDERGOING A SERIES OF TREATMENTS WITH A CESIUM | | 137 SOURCE. THE SOURCE WAS SUPPOSED TO BE INSERTED INTO AN OVOID CARRIER, | | BUT CAME LOOSE AND REMAINED IN THE LEAD PIG DURING THE TREATMENT. THE | | PATIENT SHOULD RECEIVE 59.7 mg RADIUM EQUIVALENT, BUT ONLY GOT 46.9 mg | | RADIUM EQUIVALENT. THIS RESULTED IN AN ACTIVITY OF 21.4% LESS THAN | | INTENDED AND A TOTAL DOSE OF 10% LESS THAN INTENDED. THE PHYSICIAN AND | | PATIENT WERE INFORMED. THE PATIENT WILL RECEIVE AN ADDITIONAL TREATMENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28797 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SURRY REGION: 2 |NOTIFICATION DATE: 05/12/95 | |UNIT: [1] [2] [ ] STATE: VA |NOTIFICATION TIME: 16:10 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 05/12/95 | +------------------------------------------------+EVENT TIME: 15:00[EDT]| |NRC NOTIFIED BY: JAMES HELM |LAST UPDATE DATE: 05/12/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | |EUGENE MCPEEK IAT | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PLANT SECURITY WAS INFORMED ABOUT A BOMB THREAT THAT WAS DETERMINED TO BE A | | PRANK CALL. | | | | A CHILDLIKE VOICE TO THE 911 OPERATOR MADE A BOMB THREAT TO THE SURRY | | NUCLEAR PLANTS. THE CALL WAS DETERMINED TO BE NON-CREDIBLE BY LOCAL POLICE | | AND PLANT SECURITY. AS A PRECAUTION, LICENSEE PERSONNEL ARE CONDUCTING | | STATION WALKDOWNS. (ADDITIONAL DETAILS REGARDING THIS EVENT ARE CONTAINED | | IN THE HOO LOG.) THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | *** 20:25 MAY 12, 1995, UPDATE FROM ALAN BIALOWAS RECEIVED BY TROCINE *** | | | | ADDITIONAL INFORMATION REVEALED THAT THE BOMB THREAT WAS MADE TO THE LOCAL | | AREA AND LOCALITIES AND WAS NOT EXPLICITLY DIRECTED TO THE POWER STATION OR | | ANY COMPANY PROPERTY, MATERIAL, OR PERSONNEL. THE THREAT WAS RECEIVED BY A | | GTE TELEPHONE OPERATOR IN LEXINGTON, KENTUCKY, AS A BOMB THREAT FOR SURRY | | COUNTY AND SMITHFIELD, VIRGINIA. (REFER TO THE HOO LOG FOR ADDITIONAL | | INFORMATION.) R2DO (POTTER) WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28798 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PRAIRIE ISLAND REGION: 3 |NOTIFICATION DATE: 05/13/95 | |UNIT: [1] [2] [ ] STATE: MN |NOTIFICATION TIME: 12:39 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 05/13/95 | +------------------------------------------------+EVENT TIME: 01:00[CDT]| |NRC NOTIFIED BY: WAYNE KROPP, RGN 3 |LAST UPDATE DATE: 05/13/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |NINF INFORMATION ONLY |CHARLEY HAUGHNEY EO | | | | | |BAILEY AEOD | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE HAS A FULL SPENT FUEL DRY STORAGE CASK STUCK SUSPENDED ABOVE | | THE WATER OF THE SPENT FUEL POOL BUT BELOW THE LEVEL OF THE DECK. AN | | OVERLOAD INTERLOCK TRIPPED STOPPING LIFT BY THE CRANE. THE LICENSEE | | ANTICIPATES BYPASSING THE OVERLOAD INTERLOCK, WHICH THEY SUSPECT ACTUATED | | PREMATURELY, AND CONTINUING TO MOVE THE CASK. PRECAUTIONS WILL BE TAKEN TO | | ASSURE THAT OVERLOAD OF THE CRANE DOES NOT OCCUR. THERE HAVE BEEN SEVERAL | | TELECONFERENCE BETWEEN THE LICENSEE AND NRC REGION AND HEADQUARTERS | | PERSONNEL. THE NRC RESIDENT INSPECTORS HAVE BEEN MONITORING THIS EVENT. | | | | ****** MAY 13, 1995, UPDATE *** COMMISSIONERS' ASSISTANTS BRIEFING ***** | | | | A COMMISSIONERS' ASSISTANT BRIEFING TOOK PLACE AT 17:00 ON MAY 13, 1995, | | BECAUSE OF THE POTENTIAL FOR MEDIA INTEREST IN THIS EVENT. COMMISSIONERS' | | ASSISTANTS BRIEFING NOTIFICATIONS (*INDICATES OFFICE DID NOT PARTICIPATE): | | AEOD(JORDAN), IRB(BROCKMAN), CHM'N. SELIN(DAVIS), COMM. ROGERS(SORENSEN), | | COMM. de PLANQUE(McKENNA), EDO(MITCHELL), NRR EO(CALVO), NMSS EO(HAUGHNEY), | | RDO(LYNCH), PAO(BEECHER), CAO(GERKE), SECY(HART), STATE(*), IP(FAULKNER), | | BRIEFER(KROPP), OTHER NRR(CARPENTER/WETZEL), OTHER NMSS(PAPERIELLO), REGION | | III(RING/CLAYTON/GRANT), AND RESIDENT INSPECTOR(DAPAS). | | | | | | * * * UPDATE AT 2130 EDT COMMISSIONERS' ASSISTANTS BRIEFING * * * | | ANOTHER COMMISSIONERS' ASSISTANTS BRIEFING TOOK PLACE AT 2130 EDT TO INFORM | | PARTICIPANTS IN THE PREVIOUS BRIEFING ABOUT THE SUCCESSFUL OUTCOME OF THE | | LICENSEE'S MOVEMENT OF THE CASK. COMMISSIONERS ASSISTANTS BRIEFING | | NOTIFICATIONS (*INDICATES OFFICE DID NOT PARTICIPATE): AEOD(JORDAN), | | IRB(BROCKMAN), CHM'N SELIN(DAVIS), COMM ROGERS(*), de PLANQUE(McKENNA), | | EDO(MITCHELL), EO(HAUGHNEY), RDO(LYNCH), PAO(KOPECK), CAO(GERKE), SECY(*), | | STATE(*), IP(*), BRIEFER(BYWATER), OTHER NRR(CARPENTER/WETZEL/ADENSAM), | | OTHER RGN III (CLAYTON/KROPP). | | | | OTHERS INFORMED: MCCREE, FAULKNER, HART, CALVO, RUSSEL. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28799 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 05/14/95 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 00:32 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/13/95 | +------------------------------------------------+EVENT TIME: 20:38[EDT]| |NRC NOTIFIED BY: SCHALL |LAST UPDATE DATE: 05/14/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A GROUP 6 PRIMARY CONTAINMENT ISOLATION SIGNAL INITIATION. | | | | THIS RESULTED IN THE CLOSURE OF THE PCIS(GROUP 6) VALVES, THE ISOLATION OF | | THE REACTOR BUILDING VENTILATION SYSTEM, AND THE STANDBY GAS TREATMENT | | SYSTEM BEING INITIATED. THE CAUSE OF THIS SIGNAL IS UNKNOWN AND IS BEING | | INVESTIGATED, BUT IT APPEARS TO BE ASSOCIATED WITH THE REACTOR BUILDING | | VENT RADIATION MONITOR LOGIC. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28800 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DUANE ARNOLD REGION: 3 |NOTIFICATION DATE: 05/15/95 | |UNIT: [1] [ ] [ ] STATE: IA |NOTIFICATION TIME: 00:57 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 05/14/95 | +------------------------------------------------+EVENT TIME: 22:58[CDT]| |NRC NOTIFIED BY: WESTCOT |LAST UPDATE DATE: 05/15/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES LYNCH RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A REACTOR SCRAM FROM 100% DUE TO A LOW REACTOR WATER LEVEL | | SIGNAL. | | | | THIS LOW LEVEL SCRAM SIGNAL OCCURRED AFTER THE "B" REACTOR FEED PUMP | | TRIPPED AND THE WATER LEVEL REACHED THE 170" SCRAM SETPOINT. THE CAUSE OF | | THE FEED PUMP TRIP IS UNKNOWN AND BEING INVESTIGATED. THEY ALSO RECEIVED | | GROUPS 2, 3 & 5 ISOLATIONS WHICH INCLUDED ISOLATION OF THE RWCU. ALL RODS | | FULLY INSERTED AND NO SAFETY RELIEF VALVES LIFTED OR ECCS INJECTION | | OCCURRED. PRIOR TO THE SCRAM, THE RECIRC PUMPS STARTED THEIR RUN-BACK AT | | 186", BUT DID NOT REDUCE POWER FAST ENOUGH TO MAINTAIN LEVEL AND PREVENT | | THE SCRAM. AFTER THE SCRAM, THE LEVEL STARTED TO SWELL, SO THEY TRIPPED THE | | "A" REACTOR FEED PUMP, BUT THE WATER LEVEL REACHED THE TURBINE TRIP | | SETPOINT OF 211" WITH THE "A" FEED PUMP OFF. THEY WERE ALSO HAVING PROBLEMS | | WITH THEIR FEED REG VALVES LOCKING UP, MAKING IT DIFFICULT TO CONTROL WATER | | LEVEL. THE "A" FEED PUMP WAS RESTARTED AND IS NOW CONTROLLING LEVEL IN | | AUTO. ALL OF THE ISOLATIONS HAVE BEEN RESET AND THE RWCU IS BACK IN | | SERVICE. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+