U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/12/96 - 07/15/96 ** EVENT NUMBERS ** 30734 30739 30740 30741 30742 30743 30744 30745 30746 30747 30748 30749 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30734 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 07/10/96 | |UNIT: [1] [2] [ ] STATE: NC |NOTIFICATION TIME: 17:51 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/10/96 | +------------------------------------------------+EVENT TIME: 17:15[EDT]| |NRC NOTIFIED BY: KITCHEN |LAST UPDATE DATE: 07/13/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |EDWARD MCALPINE RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ED GOODWIN, NRR EO | |NOCM COMM ASST BRIEF |CEGIELSKI FEMA | | |RICHARD BARRETT 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NOTIFICATION OF UNUSUAL EVENT DUE TO HURRICANE WARNING (REFER TO EVENT | | NUMBERS 30741, 30744, AND 30745 FOR ADDITIONAL INFORMATION.) | | | | THE LICENSEE RECEIVED A HURRICANE WARNING FROM THE NATIONAL WEATHER | | SERVICE. THIS PLACES THE UNITS IN AN UNUSUAL EVENT PER THE LICENSEE'S | | EMERGENCY PROCEDURES. ALL SAFETY SYSTEMS ARE OPERABLE, AND THE LICENSEE | | PLANS TO PLACE BOTH UNITS IN A COLD SHUTDOWN CONDITION TWO HOURS PRIOR TO | | THE ARRIVAL OF HURRICANE FORCE WINDS. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED. | | | | *** 1215 JULY 11, 1996, UPDATE FROM NRC REGION 2 (SHYMLOCK) TO TROCINE *** | | | | NRC REGION 2 ENTERED THE MONITORING PHASE OF NORMAL MODE AT 1200 ON JULY | | 11, 1996, AND THE REGION 2 INCIDENT RESPONSE CENTER HAS BEEN STAFFED. | | | | THE NRC OPERATIONS CENTER NOTIFIED THE R2DO (MCALPINE), NRR EO (GOODWIN), | | AEOD IRD (JORDAN AND CONGEL), AND AEOD ERB (BAILEY). | | | | * * * 1600 JULY 11, 1996, UPDATE BY TROCINE * * * | | | | A COMMISSIONERS' ASSISTANTS' BRIEFING WAS CONDUCTED TO DISCUSS HURRICANE | | BERTHA. THE FOLLOWING NOTIFICATIONS WERE MADE (*INDICATES OFFICE DID NOT | | PARTICIPATE): AEOD (BARRETT, *CONGEL, *JORDAN, AND RUBIN), ERB (BAILEY AND | | JOLICOEUR), CHAIRMAN JACKSON (JOHNSON AND MILLER), COMMISSIONER DICUS | | (SORENSEN), COMMISSIONER ROGERS (CHAN), EDO (MCCABE AND STABLEIN), NRR EO | | (GOODWIN AND MARSH), NMSS EO (COOL), NRR (MAIER), NMSS (TROSKOSKI), R2DO | | (*MCALPINE), R1DO (*TRAPP), PAO (HAYDEN), CAO (KEELING), SECY (*HART), | | STATE (DROGGITIS), IP (*CHANEY), BRIEFER (SHYMLOCK), REGION 2 | | (TROJANOWSKI), AND REGION 1 (COOPER, HINSON, KANE, MARTIN, AND WIGGINS). | | | | * * * 1727 JULY 11, 1996, UPDATE FROM THOMPSON RECEIVED BY TROCINE * * * | | | | THE BRUNSWICK SITE REMAINS IN AN UNUSUAL EVENT DUE TO THE HURRICANE WARNING | | THAT WAS ISSUED BY THE NATIONAL WEATHER SERVICE. THE LICENSEE ACTIVATED | | ITS EMERGENCY OPERATIONS FACILITY (EOF) AT 1659 AS A PRECAUTIONARY MEASURE, | | AND THE PERSONNEL IN THE EOF WILL BE COMMUNICATING WITH THE APPLICABLE | | STATE AND LOCAL FACILITIES. BOTH UNITS ARE CURRENTLY IN A HOT SHUTDOWN | | CONDITION, AND COOL DOWN OF BOTH UNITS IS IN PROGRESS. IN ADDITION, THE | | INTENSITY OF THE HURRICANE HAS LOWERED SOMEWHAT, AND HURRICANE LANDFALL IS | | CURRENTLY EXPECTED AT APPROXIMATELY 0600 ON JULY 12, 1996. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | CENTER NOTIFIED THE R2DO (MCALPINE) AND NRR EO (MARSH). | | | | * * * 1927 JULY 11, 1996, UPDATE FROM PALMETER RECEIVED BY TROCINE * * * | | | | UNITS 1 AND 2 ENTERED COLD SHUTDOWN AT 1754 AND 1845, RESPECTIVELY. THE | | METEOROLOGICAL DATA INDICATED THAT WIND SPEED IS CURRENTLY 25 MILES PER | | HOUR. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR, AND THE NRC OPERATIONS | | CENTER NOTIFIED THE R2DO (MCALPINE) AND NRR EO (MARSH). | | | | * * * 0900 JULY 12, 1996, UPDATE BY SANDIN * * * | | | | A SECOND COMMISSIONERS' ASSISTANTS' BRIEFING WAS HELD TO DISCUSS HURRICANE | | BERTHA. THE FOLLOWING NOTIFICATIONS WERE MADE (*INDICATES OFFICE DID NOT | | PARTICIPATE): AEOD (JORDAN), IRD (*CONGEL), CHAIRMAN JACKSON (MILLER), | | COMMISSIONER ROGERS (SORENSEN), COMMISSIONER DICUS (CHAN), EDO (KROPP), EO | | (COOL AND DENNIG), PAO (GAGNER AND HAYDEN), CAO (MADDEN), SECY (HART), | | STATE (*BANGART), BRIEFER (SHYMLOCK), AND OTHERS (MERR, TROJANOSKI, AND | | TROSKOSKI). | | | | * * * 1600 JULY 12, 1996, UPDATE BY TROCINE * * * | | | | A THIRD COMMISSIONERS' ASSISTANTS' BRIEFING WAS CONDUCTED TO DISCUSS | | HURRICANE BERTHA. THE FOLLOWING NOTIFICATIONS WERE MADE (*INDICATES OFFICE | | DID NOT PARTICIPATE): AEOD (BARRETT AND *CONGEL), ERB (BAILEY AND | | JOLICOEUR), CHAIRMAN JACKSON (MILLER), COMMISSIONER ROGERS (*SORENSEN), | | COMMISSIONER DICUS (CHAN), EDO (KOKAJKO AND *STABLEIN), NRR EO (MARSH), | | NMSS EO (COMBS), NRR (KANTOR), NMSS (TROSKOSKI), R2DO (*COLLINS), R1DO | | (*TRAPP), REGION 2 (TROJANOWSKI), REGION 1 (HINSON), PAO (KOPECK), CAO | | (MADDEN), SECY (HILL), STATE (DROGGITIS), IP (*CHANEY), AND BRIEFER | | (SHYMLOCK). | | | | * * * 2341 JULY 12, 1996, UPDATE FROM PALMETER TAKEN BY TROCINE * * * | | | | THE HURRICANE WARNINGS FOR BRUNSWICK AND NEW HANOVER COUNTIES WERE | | TERMINATED AT 2300, AND THE LICENSEE TERMINATED THE UNUSUAL EVENT AT 2337. | | THE SITE EMERGENCY RESPONSE ORGANIZATIONS WERE ALSO DEACTIVATED. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. THE NRC OPERATIONS CENTER NOTIFIED THE R2DO (MCALPINE); NRR EO | | (MARSH); FEMA (BAGWELL); AND R2IRC (PEEBLES). | | | | *** 2345 JULY 12, 1996, UPDATE FROM NRC REGION 2 (PEEBLES) TO TROCINE *** | | | | NRC REGION 2 EXITED THE MONITORING PHASE OF NORMAL MODE AT 2345. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30739 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALISADES REGION: 3 |NOTIFICATION DATE: 07/12/96 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 09:19 [ET]| |RX TYPE: [1] CE |EVENT DATE: 07/12/96 | +------------------------------------------------+EVENT TIME: 08:30[EDT]| |NRC NOTIFIED BY: MICHAEL KANE |LAST UPDATE DATE: 07/12/96 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE BURGESS 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 98 POWER OPERATION | 98 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE IDENTIFIED TWO DEGRADED FIRE BARRIERS. | | | | "DURING A CORRECTIVE ACTION WALKDOWN, TWO FIRE BARRIERS WERE IDENTIFIED AS | | BEING DEGRADED. ONE BARRIER HAS A STYROFOAM WRAP SURROUNDING A VENTILATION | | DUCT, LOCATED BETWEEN AN ELECTRICAL EQUIPMENT ROOM AND THE 1-D SWITCHGEAR | | ROOM. THE OTHER BARRIER IS A HOLE APPROXIMATELY 10 INCHES DEEP IN A 12 | | INCH CONCRETE FLOOR IN THE CABLE SPREADING ROOM. HOURLY FIRE TOURS ARE IN | | PLACE FOR COMPENSATORY MEASURES AS PER PLANT PROCEDURES." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 30740 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GE NUCLEAR ENERGY |NOTIFICATION DATE: 07/12/96 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 10:50 [ET]| |COMMENTS: LEU CONVERSION (UF6 TO UO2) |EVENT DATE: 07/12/96 | | LEU FABRICATION |EVENT TIME: 10:50[EDT]| | LWR COMMERICAL FUEL |LAST UPDATE DATE: 07/12/96 | | CITY: WILMINGTON REGION: 2 +-----------------------------+ | COUNTY: NEW HANOVER STATE: NC |PERSON ORGANIZATION| |LICENSE#: SNM-1097 AGREEMENT: Y |DOUGLAS COLLINS RDO | | DOCKET: 07001113 |DON COOL, NMSS EO | +------------------------------------------------+CANUPP FEMA | |NRC NOTIFIED BY: ROBERT KEENAN |JORDAN AEOD | |HQ OPS OFFICER: STEVE SANDIN |REYES DRA | +------------------------------------------------+GILLILAND PAO | |EMERGENCY CLASS: ALERT | | |10 CFR SECTION: | | |NOCM COMM ASST BRIEF | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ALERT DECLARED DUE TO ANTICIPATED HURRICANE FORCE WINDS ONSITE. | | | | AT 1050 EDT GE WILMINGTON DECLARED AN ALERT. THE FACILITY AND PROCESSES | | WERE SHUTDOWN ON 07/11/96. THE LICENSEE HAS AN EMERGENCY STAFF OF | | APPROXIMATELY 50 PEOPLE MANNING THE SITE WITH ALL EMERGENCY EQUIPMENT | | TESTED AND OPERATIONAL. | | | | IN ADDITION TO THE NOTIFICATIONS REFERENCED ABOVE, THE NRC OPERATIONS | | CENTER NOTIFIED DOE (WILLIAMS), EPA (CHECKAN), USDA (COOPER), AND HHS | | (FIEGLER). | | | | * * * 1600 JULY 12, 1996, UPDATE BY TROCINE * * * | | | | A COMMISSIONERS' ASSISTANTS' BRIEFING WAS CONDUCTED TO DISCUSS HURRICANE | | BERTHA. THE FOLLOWING NOTIFICATIONS WERE MADE (*INDICATES OFFICE DID NOT | | PARTICIPATE): AEOD (BARRETT AND *CONGEL), ERB (BAILEY AND JOLICOEUR), | | CHAIRMAN JACKSON (MILLER), COMMISSIONER ROGERS (*SORENSEN), COMMISSIONER | | DICUS (CHAN), EDO (KOKAJKO AND *STABLEIN), NRR EO (MARSH), NMSS EO (COMBS), | | NRR (KANTOR), NMSS (TROSKOSKI), R2DO (*COLLINS), R1DO (*TRAPP), REGION 2 | | (TROJANOWSKI), REGION 1 (HINSON), PAO (KOPECK), CAO (MADDEN), SECY (HILL), | | STATE (DROGGITIS), IP (*CHANEY), AND BRIEFER (SHYMLOCK). | | | | * * * 2012 JULY 12, 1996, UPDATE FROM KEENAN RECEIVED BY TROCINE * * * | | | | THE LICENSEE TERMINATED THE ALERT EMERGENCY CLASSIFICATION AT 2000 DUE TO | | IMPROVING WEATHER CONDITIONS. THE SITE SUSTAINED SUPERFICIAL DAMAGE FROM | | THE STORM INCLUDING DAMAGE TO BUILDING FLASHING; DOWNED TREES; AND THE LOSS | | OF POWER TO ONE PORTION OF THE PLANT WHICH SUPPLIES THE WASTE TREATMENT | | PROCESS, THE NITROGEN PLANT, AND SOME WELL PUMPS. THE LICENSEE EXPECTS | | THAT THE POWER WILL BE RESTORED TO THIS PORTION OF THE PLANT WITHIN | | APPROXIMATELY 12 HOURS. | | | | THE LICENSEE PLANS TO INFORM THE STATE AND LOCAL EMERGENCY MANAGEMENT | | OPERATIONS CENTERS. THE NRC OPERATIONS CENTER NOTIFIED THE R2IRC (PAYNE), | | R2DO (MCALPINE), NMSS EO (LINEHAN), FEMA (DEPUY), AEOD (JORDAN), DRA | | (REYES), PAO (BEECHER), DOE (GOANS), EPA (RUTHERFORD), USDA (BRICKERTON), | | AND HHS (GRAY). (REFER TO THE HOO LOG FOR A SITE CONTACT TELEPHONE NUMBER.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30741 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 07/12/96 | |UNIT: [1] [2] [ ] STATE: NC |NOTIFICATION TIME: 12:32 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/12/96 | +------------------------------------------------+EVENT TIME: 11:44[EDT]| |NRC NOTIFIED BY: BOB KITCHEN |LAST UPDATE DATE: 07/12/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DOUGLAS COLLINS RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | INOPERABILITY OF OFF-SITE NOTIFICATION SIRENS AND SUSPENSION OF PERIODIC | | SECURITY ROUNDS AND ROVING FIRE WATCHES DUE TO SEVERE WEATHER CONDITIONS | | (REFER TO EVENT NUMBERS 30734, 30744, AND 30745 FOR ADDITIONAL | | INFORMATION.) | | | | DURING THE APPROACH OF HURRICANE BERTHA, GREATER THAN 7 (CURRENTLY 25) OF | | THE 34 OFF-SITE NOTIFICATION SIRENS HAVE BECOME INOPERABLE. DUE TO SEVERE | | WEATHER CONDITIONS, THE SITE HAS ALSO SUSPENDED PERIODIC (4-HOUR) SECURITY | | ROUNDS OF THE PROTECTED AREA FENCE LINE AND EXTERNAL VITAL AREAS. IN | | ADDITION, ROVING FIRE WATCHES HAVE BEEN SUSPENDED UNTIL THE SEVERE WEATHER | | SUBSIDES. THE LAST ROVING FIRE WATCH WAS COMPLETED AT 1000. | | | | THE LICENSEE DETERMINED THAT THE SAFETY SIGNIFICANCE OF THIS SITUATION IS | | MINIMAL BECAUSE BOTH UNITS ARE CURRENTLY IN COLD SHUTDOWN. THE LICENSEE | | PLANS TO RESTORE THE SIRENS TO OPERABLE STATUS FOLLOWING THE PASSING OF | | HURRICANE CONDITIONS. SECURITY AND PERIODIC FIRE WATCH ROUNDS WILL ALSO BE | | RESTORED AS SOON AS WEATHER CONDITIONS PERMIT. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | * * * 1310 JULY 12, 1996, UPDATE FROM THOMPSON TAKEN BY STRANSKY * * * | | | | AT THE PRESENT TIME, ONLY FOUR EMERGENCY SIRENS REMAIN OPERABLE. IN | | ADDITION, A SECURITY ALERT HAS BEEN DECLARED AT THE SITE DUE TO THE LARGE | | NUMBER OF PERIMETER ALARMS BEING RECEIVED DUE TO HIGH WINDS (APPROXIMATELY | | 80 MILES PER HOUR ON SITE). | | | | THE NRC OPERATIONS CENTER NOTIFIED THE R2DO (COLLINS). | | | | * * * 1841 JULY 12, 1996, UPDATE FROM KITCHEN RECEIVED BY TROCINE * * * | | | | PERIODIC FIRE WATCHES AND ROVING SECURITY PATROLS HAVE BEEN RESTORED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | CENTER NOTIFIED THE R2DO (COLLINS). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30742 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 07/12/96 | |UNIT: [ ] [2] [ ] STATE: NJ |NOTIFICATION TIME: 12:52 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/12/96 | +------------------------------------------------+EVENT TIME: 12:15[EDT]| |NRC NOTIFIED BY: JOHN ROBERTSON |LAST UPDATE DATE: 07/12/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP RDO | |NINF INFORMATION ONLY |ROBERT DENNIG, NRR EO | | |RICHARD BARRETT AEOD | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AFTER-THE-FACT NOTIFICATION TO IDENTIFY A CONDITION WHICH PREVIOUSLY | | OCCURRED (AN EVENT THAT WAS NOT ONGOING AT THE TIME OF DISCOVERY) WHICH | | EXCEEDED AN EMERGENCY ACTION LEVEL BUT WAS NOT DECLARED AS AN EMERGENCY | | | | ON JUNE 7, 1995, SALEM UNIT 2 WAS SHUTDOWN IN COMPLIANCE WITH TECHNICAL | | SPECIFICATION 3.0.3 DUE TO THE INOPERABILITY OF BOTH TRAINS OF THE RESIDUAL | | HEAT REMOVAL SYSTEM. (REFER TO EVENT #28904 FOR ADDITIONAL INFORMATION.) | | ON JUNE 8, 1995, SALEM UNIT 2 TRANSITIONED THROUGH MODE 4 INTO MODE 5. THE | | COMBINATION OF THESE TWO CONDITIONS MEET EMERGENCY ACTION LEVEL ECG, | | SECTION 4A. AN ALERT DECLARATION SHOULD HAVE BEEN MADE AND WAS NOT. THE | | RESIDUAL HEAT REMOVAL SYSTEM WAS FUNCTIONAL AT THE TIME AND WAS UTILIZED TO | | PLACE SALEM UNIT 2 IN COLD SHUTDOWN. THE REACTOR IS CURRENTLY IN A | | DEFUELED CONDITION, AND ALL FUEL IS BEING STORED AND COOLED IN THE SPENT | | FUEL POOL. | | | | THE LICENSEE STATED THAT THIS NOTIFICATION WAS BEING MADE AS A ONE-HOUR | | REPORT PER ATTACHMENT 12 OF THE LICENSEE'S EMERGENCY ACTION LEVEL | | PROCEDURES. THIS WAS REQUIRED BECAUSE OF THE DISCOVERY OF AN EVENT OR | | CONDITION THAT HAD PREVIOUSLY OCCURRED (AND WAS NOT ONGOING AT THE TIME OF | | DISCOVERY) WHICH EXCEEDED AN EMERGENCY ACTION LEVEL BUT WAS NOT DECLARED AS | | AN EMERGENCY AND BECAUSE THERE ARE CURRENTLY NO ADVERSE CONSEQUENCES IN | | PROGRESS AS A RESULT OF THE EVENT. (AN EMERGENCY DECLARATION WILL NOT BE | | MADE FOR THIS EVENT BECAUSE THE LICENSEE DOES NOT DECLARE RETROACTIVE | | EMERGENCY CLASSIFICATIONS.) | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30743 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 07/12/96 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 13:49 [ET]| |RX TYPE: [1] CE |EVENT DATE: 07/12/96 | +------------------------------------------------+EVENT TIME: 13:30[EDT]| |NRC NOTIFIED BY: JERRY MABEN |LAST UPDATE DATE: 07/12/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP 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 90 POWER OPERATION | 90 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY THAT THE PRIMARY COMPONENT COOLING (PCC) AND SECONDARY COMPONENT | | COOLING (SCC) PUMPS ARE OUTSIDE THE DESIGN BASIS SHOULD THEY BE SUBJECTED | | TO A HIGH ENERGY LINE BREAK (HELB) IN THE TURBINE BUILDING | | | | THE LICENSEE REPORTED THAT THE PCC AND SCC PUMPS ARE OUTSIDE THE DESIGN | | BASIS SHOULD THEY BE SUBJECTED TO A HELB IN THE TURBINE BUILDING. IN THE | | PAST, A LARGE BREAK HELB IN THE TURBINE HALL WAS THOUGHT TO BE THE MOST | | LIMITING SCENARIO. SUBSEQUENT ENGINEERING EVALUATION (AS COMMITTED TO IN | | LER 96-004) HAS DETERMINED THAT A MEDIUM SIZED BREAK MAY BE THE MOST | | LIMITING SCENARIO FOR PCC AND SCC PUMPS. PREVIOUSLY IT WAS DETERMINED THAT | | THE EQUIPMENT WAS IN A MILD ENVIRONMENT DURING A HELB. THE NEW ENGINEERING | | EVALUATION HAS DETERMINED THAT THE EQUIPMENT WOULD BE IN A HARSH CONDITION | | DURING A HELB EVENT. AN OPERABILITY DETERMINATION WAS MADE ON THE | | EQUIPMENT, AND THE EQUIPMENT HAS BEEN DECLARED OPERABLE WITH THE PLANT | | CONFIGURED FOR SUMMER TIME OPERATION. FURTHER ANALYSIS IS ONGOING. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR AND THE STATE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30744 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 07/12/96 | |UNIT: [1] [2] [ ] STATE: NC |NOTIFICATION TIME: 15:05 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/12/96 | +------------------------------------------------+EVENT TIME: 15:00[EDT]| |NRC NOTIFIED BY: THOMPSON |LAST UPDATE DATE: 07/12/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |COLLINS 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | STATE OF NORTH CAROLINA NOTIFICATION REGARDING A VIOLATION OF THE PLANT | | DISCHARGE PERMIT | | | | DUE TO HEAVY RAINFALL, THE LICENSEE OPENED A STORM DRAIN BYPASS VALVE TO | | THE PLANT DISCHARGE CANAL. OPENING THIS VALVE CAUSED THE PLANT TO EXCEED | | ITS NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMIT LIMITS. AT | | 1500, THE LICENSEE NOTIFIED THE STATE OF NORTH CAROLINA REGARDING THIS | | EVENT. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | | | | * * * 1841 JULY 12, 1996, UPDATE FROM KITCHEN RECEIVED BY TROCINE * * * | | | | THE FOLLOWING CLARIFYING INFORMATION WAS REPORTED BY THE LICENSEE: | | | | "AT 1515 THIS DATE, THE NORTH CAROLINA DIVISION OF ENVIRONMENTAL MANAGEMENT | | WAS INFORMED THAT IT WAS NECESSARY FOR SITE FLOOD CONTROL [PERSONNEL] TO | | OPERATE OUTSIDE THE BOUNDS OF THE NATIONAL POLLUTANT DISCHARGE ELIMINATION | | SYSTEM PERMIT. DUE TO HEAVY RAINS ASSOCIATED WITH HURRICANE BERTHA, THE | | STORM DRAINAGE BASIN WAS RELEASED TO THE DISCHARGE CANAL. THE BASIN IS | | NORMALLY PUMPED TO A STABILIZATION POND. THE STORM BASIN WAS OPEN FROM | | 1321 TO 1556." | | | | THE LICENSEE'S INITIAL SAFETY SIGNIFICANCE EVALUATION CONCLUDED THAT THE | | SAFETY SIGNIFICANCE WAS "MINIMAL. THE BASIN HAD BEEN SAMPLED FOR ACTIVITY | | CONTENT PRIOR TO RELEASE AND WAS LESS THAN THE LOWER LIMIT OF | | DETECTABILITY." IN ADDITION, THE "RELEASE PATH WAS ISOLATED AS SOON AS THE | | INSTALLED PUMPS WERE ABLE TO MAINTAIN BASIN LEVEL AND PREVENT SITE | | FLOODING." | | | | "AS FOLLOWUP TO PREVIOUS NOTIFICATION[S], PERIODIC FIRE WATCHES AND ROVING | | SECURITY PATROLS HAVE BEEN RESTORED." (REFER TO EVENT NUMBERS 30734, | | 30741, AND 30745 FOR ADDITIONAL INFORMATION.) | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | CENTER NOTIFIED THE R2DO (COLLINS). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30745 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 07/12/96 | |UNIT: [1] [2] [ ] STATE: NC |NOTIFICATION TIME: 16:23 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/12/96 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: BOB KITCHEN |LAST UPDATE DATE: 07/12/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DOUGLAS COLLINS RDO | |ADEV 50.72(b)(1)(i)(B) DEVIATION FROM T SPEC | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTHORIZED TECHNICAL SPECIFICATION DEVIATION PER 10 CFR 50.54(X) DUE TO THE | | SUSPENSION OF REQUIRED SECURITY TOURS (REFER TO EVENT NUMBERS 30734, | | 30741, AND 30744 FOR ADDITIONAL INFORMATION.) | | | | A DEVIATION FROM THE PLANT'S TECHNICAL SPECIFICATION HAS BEEN AUTHORIZED | | PURSUANT TO 10 CFR 50.54(X). SECTION 6.8 OF THE TECHNICAL SPECIFICATIONS | | REQUIRES IMPLEMENTATION OF A SECURITY PLAN. CONTRARY TO THE SECURITY PLAN, | | REQUIRED TOURS OF EXTERNAL SECURITY CONTROLLED AREAS WERE WAIVED DUE TO THE | | PRESENCE OF HURRICANE CONDITIONS ON SITE. AREAS THAT COULD SAFELY BE | | TOURED WERE INSPECTED, AND SECURITY CAMERAS WERE IN OPERATION DURING THIS | | PERIOD. | | | | THE LICENSEE BELIEVES THAT THE SAFETY SIGNIFICANCE IS MINIMAL BECAUSE BOTH | | UNITS ARE CURRENTLY IN COLD SHUTDOWN. CHALLENGES TO THE VITAL SECURITY | | AREAS HAVE NOT OCCURRED DURING THE TIME FRAME THAT THE TOURS HAVE BEEN | | SECURED. THE LICENSEE PLANS TO RESUME THE REQUIRED TOURS WHEN THE WEATHER | | PERMITS. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | * * * 1841 JULY 12, 1996, UPDATE FROM KITCHEN RECEIVED BY TROCINE * * * | | | | THE ROVING SECURITY PATROLS HAVE BEEN RESTORED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | CENTER NOTIFIED THE R2DO (COLLINS). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 30746 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: MALLINCKRODT MEDICAL |NOTIFICATION DATE: 07/12/96 | | CITY: ATTLEBORO REGION: 1 |NOTIFICATION TIME: 16:43 [ET]| | COUNTY: STATE: MA |EVENT DATE: 07/12/96 | |LICENSE#: 24-17450-03 AGREEMENT: N |EVENT TIME: 00:12[EDT]| | DOCKET: |LAST UPDATE DATE: 07/12/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |KATHLEEN DOLCE RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: RICHARD HUGHES | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NONR OTHER UNSPEC REQMNT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MALLINCKRODT MEDICAL OF ATTLEBORO, MASSACHUSETTS, REPORTED A MISSING | | PACKAGE CONTAINING TECHNETIUM-99M. | | | | BETWEEN 1600 AND 1700 ON JULY 11, 1996, THE LICENSEE DROPPED OFF A PACKAGE | | CONTAINING TECHNETIUM-99M AT THE LOGAN AIRPORT IN BOSTON, MASSACHUSETTS. | | THE PACKAGE WAS TO BE FLOWN BY CONTINENTAL AIRLINES TO NEWARK, NEW JERSEY. | | AT APPROXIMATELY MIDNIGHT ON JULY 11, 1996, A COURIER SERVICE DRIVER | | ATTEMPTED TO PICK THE PACKAGE UP AT THE AIRPORT IN NEWARK, NEW JERSEY, IN | | ORDER TO DELIVER IT TO HICKSVILLE, NEW YORK; AND THE DRIVER DISCOVERED THAT | | THE PACKAGE WAS NOT ON THE FLIGHT. THE DRIVER THEN CONTACTED THE | | LICENSEE'S CORPORATE OFFICE. THE LICENSEE HAS SINCE BEEN IN CONTACT WITH | | CONTINENTAL AIRLINES TO TRY TO LOCATE THE PACKAGE. CONTINENTAL HAS PUT OUT | | AN INTERNAL ALL POINTS BULLETIN AND HAS SEARCHED THE AIRPLANE AND THE TWO | | AIRPORT HANGERS THAT THE PACKAGE WAS SUPPOSED TO BE FLOWN OUT OF. THE | | PACKAGE HAS NOT YET BEEN LOCATED. WEEKEND PERSONNEL ARE STILL LOOKING FOR | | THE PACKAGE. | | | | APPROXIMATELY 1,900 MILLICURIES (CALIBRATED FOR 0900 ON 7/12/96) OF | | TECHNETIUM-99M IN LIQUID FORM (INSTANT TECH) WAS PACKAGED IN THE MISSING | | DOT TYPE-7A CERTIFIED BOX, AND THE BOX WAS ABOUT 2 FEET LONG BY 1-1/2 FEET | | HIGH BY 1-1/2 FEET DEEP. IT WAS A BAR-2 LABELLED PACKAGE. THE LICENSEE | | DOES NOT ANTICIPATE ANY SIGNIFICANT HAZARD TO INDIVIDUALS AT THIS TIME | | BECAUSE THE TECHNETIUM-99M HAS A 6-HOUR HALF LIFE. | | | | THE LICENSEE NOTIFIED THE DEPARTMENT OF LABOR IN NEW YORK. NEW YORK IS AN | | AGREEMENT STATE, AND THE DEPARTMENT OF LABOR THERE HANDLES RADIATION | | ISSUES. (REFER TO THE HOO LOG FOR A SITE CONTACT TELEPHONE NUMBER AND | | STREET ADDRESS.) | | | | * * * 2107 JULY 12, 1996, UPDATE FROM HUGHES RECEIVED BY TROCINE * * * | | | | BETWEEN 1700 AND 1900, THE MISSING PACKAGE WAS LOCATED IN THE NEWARK | | AIRPORT, AND IT WAS FOUND TO BE INTACT. APPARENTLY, IT HAD BEEN MISPLACED | | IN BAGGAGE HANDLING. THE LICENSEE PLANS TO HAVE A DRIVER PICK THE PACKAGE | | UP TOMORROW MORNING. | | | | THE NRC OPERATIONS CENTER NOTIFIED THE R1DO (DOLCE). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30747 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 07/13/96 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 13:17 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 07/13/96 | +------------------------------------------------+EVENT TIME: 12:25[EDT]| |NRC NOTIFIED BY: GARY KILBY |LAST UPDATE DATE: 07/13/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KATHLEEN DOLCE 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PLANNED OFFSITE NOTIFICATION THAT AN EMPLOYEE WAS ADMITTED TO A HOSPITAL | | AFTER BREAKING HIP DURING A FALL | | | | AT 0843, AN EMPLOYEE WHO WAS WORKING IN A STORE ROOM FELL FROM THE SECOND | | STEP OF A THREE-STEP LADDER AND SUFFERED FROM A BROKEN HIP. THE INDIVIDUAL | | WAS TRANSPORTED TO THE HOSPITAL IN A COMPANY VEHICLE AND WAS ADMITTED TO A | | HOSPITAL AT 1225 TODAY. THE INDIVIDUAL WAS NOT CONTAMINATED. | | | | THE LICENSEE PLANS TO NOTIFY THE NEW HAMPSHIRE PUBLIC UTILITIES COMMISSION | | OF THIS INCIDENT ON MONDAY (JULY 15, 1996). THE LICENSEE ALSO PLANS TO | | NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30748 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 07/13/96 | |UNIT: [ ] [2] [ ] STATE: FL |NOTIFICATION TIME: 22:06 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 07/13/96 | +------------------------------------------------+EVENT TIME: 21:30[EDT]| |NRC NOTIFIED BY: JACK BREEN |LAST UPDATE DATE: 07/13/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |EDWARD MCALPINE RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |LEDYARD MARSH, NRR EO | | |CEGIELSKI FEMA | | |FRANK CONGEL, IRD AEOD | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DECLARATION OF UNUSUAL EVENT DUE TO REACTOR COOLANT SYSTEM (RCS) LEAKAGE | | GREATER THAN 10 GALLONS PER MINUTE (GPM) CAUSED BY A PACKING LEAK ON A | | CHARGING PUMP | | | | AT 2130, THE LICENSEE DECLARED AN UNUSUAL EVENT DUE TO RCS LEAKAGE THAT WAS | | GREATER THAN 10 GPM (IDENTIFIED) IN ACCORDANCE WITH TECHNICAL SPECIFICATION | | 3.4.6.2. THE LEAKAGE WAS DUE TO A PACKING LEAK ON THE '2B' CHARGING PUMP. | | THE SUCTION AND DISCHARGE SIDES OF THIS POSITIVE DISPLACEMENT PUMP WERE | | MECHANICALLY ISOLATED AT 2132, AND THE UNUSUAL EVENT WAS TERMINATED AT 2135 | | WHEN THE '2B' CHARGING PUMP WAS ELECTRICALLY ISOLATED. DURING THIS EVENT, | | ALL CHARGING AND LETDOWN WAS ISOLATED, BUT IT HAS SINCE BEEN RESTORED. | | | | THE LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR AND THE APPLICABLE | | STATE AND LOCAL AGENCIES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30749 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 07/14/96 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 18:52 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/14/96 | +------------------------------------------------+EVENT TIME: 18:01[EDT]| |NRC NOTIFIED BY: DAVID T. WALSH |LAST UPDATE DATE: 07/14/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KATHLEEN DOLCE RDO | |ACCS 50.72(b)(1)(iv) ECCS INJECTION | | |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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | M/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR SCRAM AND EMERGENCY CORE COOLING SYSTEM INJECTION DURING | | RESTORATION FROM A 13.8-KV BUS OUTAGE | | | | DURING RESTORATION FROM A 13.8-KV BUS OUTAGE, POWER WAS LOST TO THE | | NON-VITAL 12A AUXILIARY BUS WHEN TRANSFERRING ITS POWER SUPPLY FROM | | GENERATOR FEED TO OFFSITE POWER FEED. THE RESULTANT LOSS OF POWER TRIPPED | | TWO OF THE FOUR CONDENSATE PUMPS, TWO OF THE FOUR CIRCULATING WATER PUMPS, | | ONE OF THE REACTOR RECIRCULATION PUMPS, AND OTHER PLANT EQUIPMENT. THE | | LOSS OF TWO CONDENSATE PUMPS CAUSED ALL THREE FEEDWATER PUMPS TO TRIP ON | | LOW SUCTION PRESSURE, AND THE REACTOR SCRAMMED AUTOMATICALLY ON LOW LEVEL | | AT 1801. ALL RODS FULLY INSERTED FOLLOWING THE SCRAM. REACTOR VESSEL LEVEL | | CONTINUED TO DROP TO THE INITIATION SETPOINTS OF THE REACTOR CORE ISOLATION | | COOLING (RCIC) SYSTEM (-30") AND THE HIGH PRESSURE COOLANT INJECTION (HPCI) | | SYSTEM (-38"). BOTH SYSTEMS INITIATED AND INJECTED TO THE REACTOR VESSEL. | | WHEN REACTOR VESSEL WATER LEVEL DECREASED TO -38", THE SECOND REACTOR | | RECIRCULATION WATER PUMP ALSO AUTOMATICALLY TRIPPED AS EXPECTED. LEVEL 2 | | (-13") AND LEVEL 3 (-38") ISOLATIONS WERE ALSO RECEIVED AND WERE CONFIRMED | | TO COMPLETION. ALL SYSTEMS FUNCTION AS REQUIRED. | | | | THE UNIT IS CURRENTLY STABLE IN HOT SHUTDOWN WITH NATURAL CIRCULATION IN | | PROGRESS. NORMAL FEEDWATER HAS BEEN RESTORED AND IS BEING USED TO CONTROL | | REACTOR VESSEL LEVEL. THE HPCI SYSTEM HAS BEEN SECURED, AND THE RCIC | | SYSTEM HAS EITHER BEEN SECURED OR IS OPERATING ON MINIMUM FLOW. THE MAIN | | STEAM ISOLATION VALVES ARE OPEN, AND STEAM IS BEING BYPASSED TO THE | | CONDENSER. ALL CONTAINMENT PARAMETERS ARE NORMAL WITH THE EXCEPTION OF | | SUPPRESSION POOL WATER TEMPERATURE WHICH INCREASED AS EXPECTED DUE TO HPCI | | AND RCIC STEAM DISCHARGING INTO THE SUPPRESSION POOL. SUPPRESSION POOL | | TEMPERATURE IS APPROXIMATELY 100øF AT THIS TIME. BOTH SOURCES OF OFFSITE | | POWER ARE AVAILABLE, AND THERE WAS NO THREAT TO THE 1E 4-KV SYSTEM. | | | | THE CAUSE OF THIS EVENT IS STILL UNDER INVESTIGATION, AND THE LICENSEE | | PLANS TO PROVIDE ADDITIONAL DETAILS REGARDING THE REACTOR SCRAM AND | | ENGINEERED SAFETY FEATURE (ESF) ACTUATIONS PRIOR TO 2201 TONIGHT. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | * * * 2149 JULY 14, 1996, UPDATE FROM ROLAND RECEIVED BY TROCINE * * * | | | | IT WAS INITIALLY REPORTED THAT THE REACTOR SCRAMMED AUTOMATICALLY ON LOW | | REACTOR VESSEL WATER LEVEL (+13"). HOWEVER, SUBSEQUENT REVIEW OF PLANT | | DATA INDICATED THAT THE REACTOR WAS MANUALLY SCRAMMED A FEW SECONDS PRIOR | | TO THE AUTOMATIC SCRAM SIGNAL. THE FOLLOWING ESF ACTUATIONS OCCURRED: | | ACTUATION OF THE REACTOR PROTECTION SYSTEM TO CAUSE THE SCRAM (MANUAL MODE | | SWITCH ACTUATION), RCIC SYSTEM INITIATION AND INJECTION (NON-ESF SYSTEM), | | HPCI SYSTEM INITIATION AND INJECTION, ACTUATION OF THE PRIMARY CONTAINMENT | | ISOLATION SYSTEM (ALL +13" AND -38" REACTOR PRESSURE VESSEL LEVEL | | ACTUATIONS WENT TO COMPLETION AS REQUIRED.), ISOLATION OF THE REACTOR WATER | | CLEANUP SYSTEM ON LOW LEVEL, ISOLATION OF SECONDARY CONTAINMENT ZONES II | | AND III, INITIATION OF THE STANDBY GAS TREATMENT SYSTEM, AND INITIATION OF | | THE CONTROL ROOM EMERGENCY OUTSIDE AIR SUPPLY SYSTEM. ALL INITIATIONS AND | | ISOLATIONS WERE VERIFIED TO ACTUATE PROPERLY, AND THERE WERE NO ESF SYSTEMS | | THAT FAILED TO INITIATE OR ISOLATE. IN ADDITION, THE LICENSEE VERIFIED | | THAT NO SAFETY RELIEF VALVES LIFTED, AND THAT THE MINIMUM WATER LEVEL | | ACHIEVED WAS APPROXIMATELY -50". ALL SYSTEMS FUNCTIONED AS REQUIRED. | | | | IN ACCORDANCE WITH THE APPLICABLE OFF-NORMAL PROCEDURES, THE LICENSEE IS | | CURRENTLY MAINTAINING REACTOR VESSEL WATER LEVEL BETWEEN +13" AND +30" VIA | | THE USE OF THE 'B' FEEDWATER PUMP BECAUSE OF STRATIFICATION IN THE VESSEL. | | AS A RESULT, THE UNIT IS NO LONGER BEING MAINTAINED IN NATURAL CIRCULATION. | | (LEVEL MUST BE MAINTAINED ABOVE +45" FOR NATURAL CIRCULATION.) THE HPCI | | AND RCIC SYSTEMS ARE CURRENTLY AVAILABLE IN STANDBY ALIGNMENT. THE MAIN | | STEAM ISOLATION VALVES ARE STILL OPEN, AND STEAM IS STILL BEING BYPASSED TO | | THE CONDENSER. THE 'B' LOOP OF SUPPRESSION POOL COOLING IS CURRENTLY IN | | SERVICE, AND POOL TEMPERATURE HAS BEEN REDUCED TO APPROXIMATELY 87øF. | | | | THE LICENSEE HAS COMMENCED A SCRAM INQUIRY, AND THE INVESTIGATION IS | | ONGOING. PRELIMINARY INVESTIGATION HAS IDENTIFIED THAT TWO WIRES WERE OFF | | OF A RELAY WHICH MAY HAVE CAUSED A LOGIC FAILURE AND SUBSEQUENT | | DE-ENERGIZATION OF THE 12A AUXILIARY BUS. THE LICENSEE CURRENTLY PLANS TO | | PLACE THE UNIT IN COLD SHUTDOWN, AND A UNIT RESTART DATE IS UNKNOWN AT THIS | | TIME. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR OF THIS UPDATE. (THE NRC | | RESIDENT INSPECTOR IS CURRENTLY ONSITE.) | +------------------------------------------------------------------------------+