U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/02/95 - 06/05/95 ** EVENT NUMBERS ** 28876 28877 28878 28879 28880 28881 28882 28883 28884 28885 28886 28887 28888 28889 28890 28891 28892 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28876 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 06/02/95 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 03:34 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 06/01/95 | +------------------------------------------------+EVENT TIME: 23:10[CDT]| |NRC NOTIFIED BY: RATZLAFF |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | OFF-GAS FILTER DRAIN VALVE WAS FOUND TO OPEN WHEN THE CONTROL SWITCH WAS | | PLACED IN THE "CLOSED" POSITION. | | | | WHILE IN THE PROCESS OF FLUSHING THE OFF-GAS FILTERS (OG-F-A&B), IT WAS | | DISCOVERED THAT OFF-GAS FILTER DRAIN VALVE TO THE "Z" SUMP (OG-AOV-13AV) | | WAS CLOSED (NORMALLY OPEN). SUBSEQUENTLY, THE VALVE OPENED WHEN ITS | | CONTROL SWITCH WAS PLACED TO "CLOSED". THIS VALVE IS REQUIRED BY TECH | | SPECS (TABLE 3.2.D, ACTION A) AND THE USAR (SECTION 7.12.2) TO ISOLATE | | OFF-GAS WITHIN 15 MINUTES AFTER A STEAM JET AIR EJECTOR CONTINUOUS HIGH RAD | | CONDITION WHICH EXCEEDS ONE Ci/SEC. | | | | THE VALVE HAS BEEN DISABLED IN THE ISOLATED CONDITION, AS IT CANNOT BE | | ASSURED THAT THE VALVE WOULD REMAIN CLOSED ON AN ISOLATION SIGNAL. THE | | LICENSEE WILL BE INVESTIGATING THE CAUSE. THE LICENSEE WILL BE UTILIZING | | ADMINISTRATIVE CONTROLS TO CYCLE THE VALVE PERIODICALLY (ABOUT EVERY SIX | | HOURS) TO ENSURE THE FILTERS REMAIN DRAINED. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28877 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 06/02/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 04:27 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 03:13[EDT]| |NRC NOTIFIED BY: STEPHENSON |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DOUGLAS COLLINS RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTROL ROOM EMERGENCY VENTILATION SYSTEM ACTUATION DUE TO A BRIEF RELEASE | | OF SULFUR DIOXIDE GAS DURING THE TRANSFER TO A STORAGE TANK AT THE ADJACENT | | FOSSIL UNITS. | | | | DURING THE TRANSFER OF SULFUR DIOXIDE (SO2) GAS AT CRYSTAL RIVER FOSSIL | | UNITS 1 & 2, A SMALL AMOUNT OF SO2 WAS RELEASED WHILE CONNECTING A HOSE. | | THIS RELEASE ACTUATED A GAS DETECTOR LOCATED NEAR THE TANK, WHICH ACTUATED | | THE CONTROL ROOM EMERGENCY VENTILATION SYSTEM. THE RELEASE CLEARED WITHIN | | A FEW MOMENTS. OPERATORS IMPLEMENTED THE APPLICABLE ABNORMAL PROCEDURE, | | SUBSEQUENTLY CONTACTED THE FOSSIL UNITS AND WERE NOTIFIED THAT THE RELEASE | | WAS ONLY MOMENTARY. | | | | THE FOSSIL UNITS USE SO2 GAS IN THEIR PRECIPITATORS. A TRUCK WAS | | TRANSFERRING THE GAS TO THE STORAGE TANK ON-SITE, AND A BRIEF RELEASE | | OCCURRED WHILE CONNECTING UP THE TRANSFER HOSE. THE GAS DETECTOR FUNCTIONS | | TO DETECT A TANK FAILURE AND INITIATE AN ISOLATION OF THE CONTROL ROOM | | VENTILATION SYSTEM. THE LICENSEE HAS RESTORED THE CONTROL ROOM VENTILATION | | SYSTEM LINE-UP. | | | | THE LICENSEE MENTIONED THAT WHEN THE HOSE IS DISCONNECTED IN A COUPLE OF | | HOURS, A SIMILAR ACTUATION MAY OCCUR AGAIN, ALTHOUGH IT IS NOT EXPECTED. | | SO2 GAS AT ELEVATED LEVELS IS A PERSONNEL HAZARD, BUT THERE WERE NOT ANY | | SIGNIFICANT EXPOSURES TO PERSONNEL DUE TO THIS EVENT. | | | | THE LICENSEE INFORMED THE RESIDENT INSPECTOR. | | | | ** UPDATE @ 0611 ON 6/2/95 ***FROM LICENSEE:STEPHENSON BY:McGINTY** | | THE LICENSEE NOTIFIED THE OPERATIONS CENTER THAT ANOTHER CONTROL ROOM | | VENTILATION ACTUATION OCCURRED WHEN A SMALL AMOUNT OF SO2 GAS WAS RELEASED | | DURING THE DISCONNECTION OF THE HOSE AT 0534 EDT. THE LICENSEE IMPLEMENTED | | THE SAME ACTIONS AS DISCUSSED PREVIOUSLY, AND HAS RESET THE VENTILATION | | SYSTEM. THE LICENSEE INFORMED THE RESIDENT INSPECTOR. HOO NOTIFIED THE | | R2DO (COLLINS). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28878 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 06/02/95 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 04:41 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 04:25[EDT]| |NRC NOTIFIED BY: ENOCH |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |MOHAMED SHANBAKY RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ELINOR ADENSAM EO | | |WRIGHT FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 HOT STANDBY | 0 HOT STANDBY | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UE DECLARED AND TERMINATED DUE TO THE OCCURRENCE OF A FIRE IN CONTAINMENT | | ON THE PREVIOUS DAY. | | | | THE LICENSEE HAS IDENTIFIED THE OCCURRENCE OF AN UNUSUAL EVENT AT ABOUT | | NOON ON 6/1/95. THE LICENSEE DECLARED AND TERMINATED THE UNUSUAL EVENT AT | | 0425 EDT ON 6/2/95 DUE TO THE INDICATION THAT A FIRE HAD OCCURRED IN | | CONTAINMENT THE PREVIOUS DAY. THE FIRE WAS ON THE INSULATION OF RCS PIPING | | (THE CROSS-UNDER PIPE FOR THE "A" RCS LOOP). | | | | AT 1147 EDT ON 6/1/95, A FIRE DETECTION ALARM OCCURRED IN CONTAINMENT. UPON | | INVESTIGATION, THE LICENSEE HAS FOUND EVIDENCE OF SOME SMOLDERING AND SMOKE | | IN CONTAINMENT. THE LICENSEE IS IN THE PROCESS OF A HEATUP, AND SPECULATED | | THAT OIL ON THE INSULATION OF THE RCS PIPING MAY HAVE BEEN THE CAUSE. THE | | TOTAL DURATION OF THE FIRE IS UNKNOWN. THE FIRE SELF-EXTINGUISHED. THE | | FIRE DETECTOR ALARM LASTED FOR 15 MINUTES. THE EMERGENCY PLAN SPECIFIES | | THE DECLARATION OF AN UNUSUAL EVENT FOR A FIRE LASTING LONGER THAN 10 | | MINUTES IN THIS LOCATION. | | | | THE LICENSEE MADE AN INITIAL CONTAINMENT ENTRY ON 6/1/95 AFTER RECEIVING | | THE ALARM. CONTAINMENT ATMOSPHERIC CONDITIONS ASSOCIATED WITH THE HEAT-UP | | MADE IT DIFFICULT TO ASCERTAIN IF A FIRE HAD OCCURRED, AND NO SPECIFIC | | EVIDENCE OF A FIRE WAS FOUND DURING THAT ENTRY. ANOTHER CONTAINMENT ENTRY | | THIS MORNING (6/2/95) FOUND THE EVIDENCE OF SMOKE AND SMOLDERING ON THE RCS | | PIPING INSULATION. THE LICENSEE IS EVALUATING INSULATION DAMAGE AND IF | | THERE IS ANY POTENTIAL PIPING DAMAGE. THE LICENSEE HAS INFORMED STATE AND | | LOCAL AUTHORITIES, AND WILL NOTIFY THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28879 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 06/02/95 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 06:39 [ET]| |RX TYPE: [3] CE |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 05:35[CDT]| |NRC NOTIFIED BY: COLLINS |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT THEIR SAFETY PARAMETER DISPLAY SYSTEM(SPDS) WAS | | DECLARED INOPERABLE. | | | | THE SPDS WAS DECLARED INOPERABLE WHEN THE COMPUTER WENT DOWN AND COULD NOT | | BE RE-BOOTED. THEY ARE INVESTIGATING THE PROBLEM AND HAVE REPAIR PERSONNEL | | COMING IN TO MAKE REPAIRS. THE RI WILL BE INFORMED. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28880 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 06/02/95 | |UNIT: [1] [2] [ ] STATE: GA |NOTIFICATION TIME: 09:25 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 08:40[CDT]| |NRC NOTIFIED BY: URQUHART |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DOUGLAS COLLINS RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 PLANT REPORTED THAT THEY HAD LOST THEIR NOAA WEATHER RADIO SIGNAL. | | | | THIS WAS DISCOVERED WHEN THEY DETERMINED THAT THE SIGNAL IS NOT BEING | | PICKED UP BY THEIR TRANSMITTER ON SITE BECAUSE OF LOSS OF POWER SUPPLY. | | THE CAUSE OF THE LOSS OF THE POWER SUPPLY MAY BE RELATED TO A CONDITION | | WHICH OCCURRED LAST NIGHT(00:15) WHEN A BREAKER IN THEIR SWITCH HOUSE TO | | SOME OF THE SWITCH HOUSE COOLING TRIPPED. WHEN THIS OCCURRED, THEY LOST | | THEIR NORMAL POWER SUPPLY TO THE TRANSMITTER BUT THE BACKUP GENERATOR | | STARTED(THERE ARE NO ALARMS THAT TELL WHEN THE GENERATOR IS RUNNING). AT | | 08:40, HOWEVER, THE TRANSMITTER HAD LOST ITS POWER SUPPLY SINCE, THEY WERE | | NOT ABLE TO GET THE NOAA SIGNAL. WHEN THEY INVESTIGATED THE PROBLEM, THEY | | FOUND THE BREAKER TRIPPED AND THE GENERATOR NOT RUNNING. THEY RESTARTED THE | | GENERATOR, BUT IT STOPPED AGAIN AFTER RUNNING FOR 10 MINS. THEY ARE | | INVESTIGATING THE PROBLEM. THE RI WILL BE INFORMED. STATE AND LOCAL | | AGENCIES WERE INFORMED. | | | | ***UPDATE @ 09:39 FROM URQUHART TO GOULD*** NOAA IS BACK IN SERVICE DUE TO | | ITS NORMAL POWER SUPPLY BEING RESTORED AT 09:30. THE RI WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28881 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 06/02/95 | |UNIT: [1] [2] [3] STATE: AZ |NOTIFICATION TIME: 15:58 [ET]| |RX TYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 10:00[MST]| |NRC NOTIFIED BY: KATHLEEN ROBERSON |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN 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 55 POWER OPERATION | 55 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION DUE TO LOW LEVELS OF RADIOACTIVITY FOUND IN SLUDGE. | | | | THE LICENSEE NOTIFIED THE ARIZONA RADIATION REGULATORY AGENCY OF INDICATION | | OF COBALT 60 BEING FOUND IN CENTRIFUGE SLUDGE. THE PALO VERDE UNITS USE | | TREATED EFFLUENT FROM THE CITY OF PHOENIX TO COOL THE CONDENSERS. PART OF | | THE PROCESS IN TREATING THE EFFLUENT IS TO PASS IT THROUGH A CENTRIFUGE TO | | REMOVE THE SLUDGE. IT IS THIS SLUDGE THAT SHOWED LOW LEVELS OF COBALT 60 | | CONTAMINATION. | | | | THE LICENSEE ROUTINELY SAMPLES THIS SLUDGE AND THIS IS THE FIRST TIME THAT | | THE SLUDGE HAS SHOWN COBALT-60 CONTAMINATION. THE SAMPLES ARE ANALYZED BY | | AN OFFSITE LAB AND THE RESULTS WERE RECEIVED TODAY BY THE LICENSEE. THE | | SAMPLE RESULTS ARE AS FOLLOWS: | | SAMPLE DATE RESULTS | | 4/20/95 30 PICOCURIES PER KILOGRAM | | APPROX 4/27/95 24 PICOCURIES PER KILOGRAM | | APPROX 5/4/95 13 PICOCURIES PER KILOGRAM | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE COBALT-60 CONTAMINATION. AT | | THIS TIME THE LICENSEE BELIEVES THAT THE SOURCE OF THE COBALT-60 MAY BE THE | | PALO VERDE UNITS. THE COOLING WATER FOR THE CONDENSERS IS USED FOR COOLING | | FOR APPROXIMATELY 20 CYCLES AND THEN THE WATER IS SENT TO EVAPORATION PONDS | | ON-SITE. THE LICENSEE INSTITUTED A PROCESS TO REUSE SOME OF THE WATER THAT | | WAS SENT TO THE EVAPORATION PONDS APPROXIMATELY THREE TO FOUR YEARS AGO. | | THE LICENSEE INTERCEPTS THE WATER BETWEEN THE COOLING TOWERS AND THE | | EVAPORATION PONDS AND THEN PUMPS IT BACK TO THE WATER RECLAMATION FACILITY | | TO MIX WITH THE INCOMING WATER FROM THE CITY OF PHOENIX. THE LICENSEE | | SUSPECTS THAT THIS 'PUMP BACK' WATER IS THE SOURCE OF THE COBALT-60. | | | | THE LICENSEE IS NOT CURRENTLY IN ANY TECHNICAL SPECIFICATION ACTION | | STATEMENT BECAUSE OF THIS PROBLEM. THE LICENSEE HAS NOTIFIED THE RESIDENT | | INSPECTORS AND MAY NOTIFY OTHER LOCAL AGENCIES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28882 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT CALHOUN REGION: 4 |NOTIFICATION DATE: 06/02/95 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 16:32 [ET]| |RX TYPE: [1] CE |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 15:21[CDT]| |NRC NOTIFIED BY: BERNIE VAN SANT |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FUEL RACKS USED TO INSPECT AND STORE NEW FUEL DO NOT MEET SEISMIC CATEGORY | | I CRITERIA. | | | | THE FOLLOWING IS A TEXT OF A FACSIMILE FROM THE LICENSEE: | | | | "AS PART OF A DOCUMENT SEARCH BEING PERFORMED FOR A DESIGN BASIS DOCUMENT | | UPDATE, A REVIEW WAS DONE OF TECHNICAL SPECIFICATION 4.4.1 FOR NEW FUEL | | RACKS. THE TECHNICAL SPECIFICATION INDICATED THE NEW FUEL RACKS WERE | | DESIGNED AS SEISMIC CLASS I. THIS WAS CONTRARY TO THE AS-BUILT DESIGN OF | | THE RACKS WHICH IS SEISMIC CLASS II (ie. NON-SEISMIC) BASED ON THE ORIGINAL | | CONSTRUCTION CONTRACT AND VENDOR INFORMATION. A FURTHER REVIEW OF | | HISTORICAL DOCUMENTS SHOWED THAT THE SEISMIC CLASSIFICATION OF THE RACKS | | WAS ALWAYS INTENDED TO BE SEISMIC CLASS II. THERE IS NO DOCUMENTATION WHICH | | EXPLAINS HOW THE SEISMIC CLASSIFICATION DIFFERENCE BETWEEN THE DOCUMENTS | | CAME TO BE. | | | | THE NEW FUEL RACKS ARE LOCATED IN THE NEW FUEL ROOM IN THE AUXILIARY | | BUILDING AND ARE EMPTY. THE RACKS HAVE BEEN ANALYZED TO SHOW THAT THE | | EMPTY FUEL RACKS ARE ADEQUATELY RESTRAINED TO UNDERGO A SEISMIC EVENT | | WITHOUT DAMAGE TO ANY SAFETY RELATED EQUIPMENT. OPPD IS CURRENTLY REVIEWING | | THE SAFETY SIGNIFICANCE OF STORING NEW FUEL IN THESE RACKS AND WILL | | COMPLETE THIS REVIEW AND ENSURE THE RACKS ARE PROPERLY DESIGNED PRIOR TO | | LOADING NEW FUEL INTO THEM." END OF TEXT. | | | | THE CONDITION HAS EXISTED SINCE INITIAL CONSTRUCTION. THE LICENSEE HAS | | INFORMED THE RESIDENT INSPECTOR. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 28883 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: JEFF ZELL CONSULTANTS |NOTIFICATION DATE: 06/02/95 | | CITY: CORAOPOLIS REGION: 1 |NOTIFICATION TIME: 16:58 [ET]| | COUNTY: ALLEGHENY STATE: PA |EVENT DATE: 06/02/95 | |LICENSE#: 37-28531-01 AGREEMENT: N |EVENT TIME: 16:00[EDT]| | DOCKET: |LAST UPDATE DATE: 06/02/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |MOHAMED SHANBAKY RDO | | |FREDERICK COMBS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: EUGENE DVORCHAK |CARDELIA MAUPIN SP | |HQ OPS OFFICER: JOSEPH SEBROSKY |PEKAR DOT | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | JEFF ZELL CONSULTANTS OF CORAOPOLIS, PENNSYLVANIA CALLED TO REPORT A | | MISSING MOISTURE DENSITY GAGE. | | | | THE TROXLER DENSITY GAGE (MODEL # 3440) WAS BEING USED AT A CONSTRUCTION | | SITE AT THE PITTSBURGH INTERNATIONAL AIRPORT. AFTER THE GAGE HAD BEEN USED | | AT THE SITE IT WAS TRANSPORTED IN THE BACK OF A PICKUP TRUCK TO THE | | COMPANY'S LAB APPROXIMATELY 8 MILES FROM THE AIRPORT. WHEN THE TECHNICIAN | | ARRIVED AT THE LAB HE NOTICED THAT THE TAILGATE WAS DOWN AND THE GAGE WAS | | MISSING. | | | | THE GAGE CONTAINS AN AMERICIUM 241 (40 MILLICURIE) SOURCE AND A CS-137 (8 | | MILLICURIE) SOURCE. THE GAGE WAS INSIDE ITS TRANSPORTATION CASE PRIOR TO | | IT BEING LOST. THE LICENSEE HAS RETRACED THE ROUTE THAT WAS TRAVELED AND | | HAS NOT FOUND THE GAGE. THE LICENSEE HAS NOTIFIED THE AIRPORT AUTHORITIES | | AND LOCAL POLICE DEPARTMENTS OF THE LOSS OF THE GAGE. | | | | ***UPDATE @ 19:05 6/2/95 FROM DVORCHAK TAKEN BY SEBROSKY*** | | THE DENSITY GAGE WAS FOUND BY AN INDIVIDUAL WHO WAS LEAVING THE AIRPORT. | | THE LICENSEE HAS RETRIEVED THE GAGE AND INSPECTED IT. THERE WAS NO DAMAGE | | TO THE GAGE OR ITS SHIPPING CONTAINER. R1DO(SHANBAKY), NMSS EO(COMBS), DOT | | (HAMERSKI) AND SP(MAUPIN) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 28884 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: MADIGAN ARMY MEDICAL CENTER |NOTIFICATION DATE: 06/02/95 | | CITY: FORT LEWIS REGION: 4 |NOTIFICATION TIME: 17:48 [ET]| | COUNTY: STATE: WA |EVENT DATE: 05/10/95 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 00:00[PDT]| | DOCKET: |LAST UPDATE DATE: 06/02/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SANBORN RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: PAUL HOULKOVICSH | | |HQ OPS OFFICER: JOSEPH SEBROSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MADIGAN ARMY MEDICAL CENTER OF FORT LEWIS, WASHINGTON CALLED TO REPORT A | | MEDICAL MISADMINISTRATION. | | | | AN INDIVIDUAL WAS PRESCRIBED TO RECEIVE 2800 RAD TO AN AREA TO TREAT | | OVARIAN CANCER. THE TREATMENT WAS DONE USING IRIDIUM 192 SEEDS. DURING | | THE PROCESS TO CALCULATE THE APPROPRIATE NUMBER OF IRIDIUM SEEDS A WRONG | | CONVERSION CONSTANT WAS USED RESULTING IN AN UNDER DOSE OF 40% (ie. INSTEAD | | OF RECEIVING 2800 RAD THE INTENDED SITE RECEIVED 1680 RAD). | | | | THE TREATMENT, WHICH OCCURRED ON 5/10/95, WAS THE FIRST OF TWO TREATMENTS | | TO THE AREA. THE TOTAL DOSE TO THE AREA WAS INTENDED TO BE 5000 RAD. THE | | LICENSEE ADJUSTED THE SECOND DOSE TO ACCOUNT FOR THE UNDER DOSE DURING THE | | FIRST TREATMENT. THE DOCTOR IN CHARGE OF THE TREATMENT DID NOT CONSIDER IT | | A MISADMINISTRATION BECAUSE THE FINAL DOSE TO THE PATIENT WAS THE SAME AS | | THE INTENDED DOSE. THE PROBLEM WAS BROUGHT TO THE ATTENTION OF THE | | RADIATION SAFETY OFFICER YESTERDAY, AND AFTER CONSULTING REGION 4 IT WAS | | DETERMINED THAT THE FIRST DOSE MET THE DEFINITION OF A MISADMINISTRATION. | | | | THE LICENSEE HAS DISCUSSED THIS EVENT WITH REGION 4 (JIM MONTGOMERY). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 28885 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: US ARMY (ROCK ISLAND ILLINOIS) |NOTIFICATION DATE: 06/02/95 | | CITY: ROCK ISLAND REGION: 3 |NOTIFICATION TIME: 17:55 [ET]| | COUNTY: STATE: IL |EVENT DATE: 04/07/95 | |LICENSE#: 12-00722-06 AGREEMENT: Y |EVENT TIME: 00:00[CDT]| | DOCKET: |LAST UPDATE DATE: 06/02/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |ROY CANIANO RDO | | |FREDERICK COMBS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: BETTY PETERSON |DOUGLAS COLLINS R2DO | |HQ OPS OFFICER: JOSEPH SEBROSKY |CARDELIA MAUPIN SP | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |IBAC 30.50(b)(1)(i) ACCESS DENIED >24 HRS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE US ARMY (ROCK ISLAND ILLINOIS) CALLED TO REPORT AN EVENT INVOLVING | | CONTAMINATION AT A FACILITY LOCATED AT FORT CAMPBELL, KY. | | | | DURING PURGING OF AN COLLIMATOR FOR AN M1A1 TANK, WHICH CONTAINED 10 CURIES | | OF TRITIUM IN A GASEOUS FORM, THE COLLIMATOR WAS BROKEN RELEASING THE | | TRITIUM. THE CAUSE OF THE COLLIMATOR BREAKING WAS HIGH PURGE GAS PRESSURE. | | THE PROBLEM OCCURRED ON 4/7/95 AND WAS REPORTED TO OFFICIALS AT ROCK ISLAND | | ON 5/31/95. | | | | THE BROKEN COLLIMATOR WAS MOVED SEVERAL TIMES BETWEEN 4/7/95 AND THE TIME | | THAT OFFICIALS AT ROCK ISLAND WERE MADE AWARE OF THE PROBLEM. AS A RESULT | | THE LICENSEE CURRENTLY HAS THREE ROOMS ISOLATED, INCLUDING AN OFFICE, A | | SUPPLY ROOM, AND A MAINTENANCE SHOP FOR COMMUNICATIONS EQUIPMENT. THE | | LICENSEE HAS ALSO DONE BIOASSAYS ON FIVE INDIVIDUALS TO DETERMINE THEIR | | UPTAKE. THE RESULTS OF THE BIOASSAYS ARE EXPECTED ON MONDAY 6/5/95. | | | | THE LICENSEE HAS DONE SOME INITIAL SURVEYS OF THESE AREAS. A BAG THAT | | CONTAINED THE COLLIMATOR HAD 76,000 DPM ON THE OUTSIDE OF IT AND THE FLOOR | | THAT THE BAG WAS SITTING ON HAD CONTAMINATION OF 41,000 DPM. | | | | THE LICENSEE HAS DISCUSSED THIS EVENT WITH REGION III (SAM MULAY). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28886 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FERMI REGION: 3 |NOTIFICATION DATE: 06/02/95 | |UNIT: [2] [ ] [ ] STATE: MI |NOTIFICATION TIME: 19:12 [ET]| |RX TYPE: [2] GE-4 |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 16:36[EDT]| |NRC NOTIFIED BY: THOMAS RHEA |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROY CANIANO 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 | A/R Y 95 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR SCRAM DUE TO A TURBINE TRIP OVERSPEED SIGNAL. | | | | WITH THE PLANT OPERATING AT 95%, A REACTOR SCRAM WAS RECEIVED DUE TO A | | TURBINE OVERSPEED MECHANICAL TRIP SIGNAL. A PRELIMINARY INVESTIGATION | | REVEALS THAT BOTH TURBINE OVERSPEED TRIP RINGS TRIPPED. THE TURBINE | | MECHANICAL OVERSPEED ONLOAD TEST SURVEILLANCE WAS IN PROGRESS AT THE TIME | | OF THE SCRAM. AN INVESTIGATION OF THE MECHANICAL OVERSPEED TRIP SYSTEM IS | | ONGOING. | | | | THE POST-SCRAM RESPONSE OF THE PLANT WAS NORMAL. ALL RODS INSERTED AND NO | | SAFETY RELIEF VALVES LIFTED. THE MAIN CONDENSER REMAIN AVAILABLE AS A HEAT | | SINK AND REACTOR VESSEL WATER LEVEL IS BEING MAINTAINED BY THE FEED SYSTEM. | | DURING THE POST-SCRAM RESPONSE LEVEL DID REACH 124 INCHES, WHICH IS BELOW | | THE LEVEL III SETPOINT. AS A RESULT NSSS GROUP 4 (RHR SHUTDOWN COOLING), | | GROUP 13 (DRYWELL SUMPS), AND GROUP 15 (TIPS) ISOLATION SIGNALS WERE | | RECEIVED AS EXPECTED. | | | | THE LICENSEE IS CONTINUING TO INVESTIGATE THE CAUSE OF THE MECHANICAL | | OVERSPEED TRIP SIGNAL. THE TURBINE SYSTEMS GROUP HAS REVIEWED THE POST | | SCRAM DATA AND HAS DETERMINED THAT AN ACTUAL OVERSPEED CONDITION DID NOT | | EXIST. THE ONLOAD TEST THAT WAS BEING PERFORMED WAS BEING DONE ON THE #1 | | MECHANICAL OVERSPEED TRIP RING AND ITS SIGNAL HAD BEEN BLOCKED PREVENTING A | | TEST CONDITION FROM TRIPPING THE TURBINE. DURING THIS PART OF THE TESTING | | THE #2 MECHANICAL OVERSPEED TRIP RING SENT A SIGNAL TO TRIP THE TURBINE. | | THE LICENSEE IS NOT SURE WHAT CAUSED THIS SIGNAL. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28887 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 06/02/95 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 20:28 [ET]| |RX TYPE: [3] CE |EVENT DATE: 06/01/95 | +------------------------------------------------+EVENT TIME: 14:00[CDT]| |NRC NOTIFIED BY: DAVID LITOLFF |LAST UPDATE DATE: 06/02/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FLOW FROM ESSENTIAL CHILLER 'B' DOES NOT MEET THE MINIMUM REQUIRED DESIGN | | FLOW. | | | | DURING THE PERFORMANCE OF A FLOW BALANCE TEST OF ESSENTIAL CHILLER 'B', | | OPERATING ON ESSENTIAL CHILLER TRAIN 'B', A LOW CHILL WATER FLOW CONDITION | | WAS DISCOVERED. WITH CHILL WATER PUMP 'B' DISCHARGE VALVE (VALVE 115B) IN | | ITS NORMAL, ONE-NOTCH-FROM-CLOSED POSITION, AND ALL REQUIRED FLOW CONTROL | | VALVES ON THE FOUR SUB LOOPS OF THE TRAIN FAILED OPEN, THE TOTAL FLOW | | OUTPUT OF THE PUMP WAS RECORDED AT 320 GPM. INVESTIGATION OF THIS | | CONDITION HAS REVEALED THAT THIS IS LESS THAN THE REQUIRED DESIGN FLOWS AS | | WELL AS MINIMUM DESIGN FLOWS. THE TECHNICAL SPECIFICATION SURVEILLANCE | | REQUIREMENT IS 500 GPM. | | | | CHILLER WATER VALVE 115B, WHICH WAS DECLARED OUT OF SERVICE ON 5/25/95, DUE | | TO CONCERNS ABOUT REQUIRED VALVE POSITION, WAS SUBSEQUENTLY OPENED FULLY TO | | ACHIEVE THE REQUIRED DESIGN FLOWS. THE VALVE IS CURRENTLY OPENED AND | | REMAINS OUT OF SERVICE. THE LICENSEE IS CONTINUING TO INVESTIGATE THE | | PROBLEM, AND DOES NOT KNOW AT THIS TIME HOW LONG THE CONDITION HAS EXISTED. | | THE LICENSEE SUSPECTS THAT THE LOW FLOW FROM THE CHILLER WAS DUE TO THE | | POSITION OF THE DISCHARGE VALVE (115B). | | | | THE 'B' CHILLER HAS BEEN DECLARED INOPERABLE AND CHILLER 'AB' IS CURRENTLY | | SUPPLYING CHILL WATER IN LOOP 'B'. THE LICENSEE IS NOT CURRENTLY IN A | | TECHNICAL SPECIFICATION ACTION STATEMENT BECAUSE TWO OF THE THREE CHILL | | WATER SYSTEMS REMAIN OPERABLE. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28888 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 06/03/95 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 01:57 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 06/02/95 | +------------------------------------------------+EVENT TIME: 23:16[EDT]| |NRC NOTIFIED BY: RUSS KEARNEY |LAST UPDATE DATE: 06/03/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROY CANIANO 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 +------------------------------------------------------------------------------+ | REACTOR WATER CLEANUP ISOLATION / LOSS OF A 120 VAC INSTRUMENT BUS | | | | A PRIMARY SIDE FUSE TO TRANSFORMER 1R-25-SO-25 BLEW CAUSING A LOSS OF POWER | | TO 120 VAC BUS EB1A1. THE TRANSFORMER REDUCES VOLTAGE FROM 480 TO 120 | | VOLTS AND IS THE ONLY SOURCE OF POWER TO BUS EB1A1. THE BLOWN FUSE IS | | RATED AT 40 AMPS. THE ASSOCIATED BREAKER WITH AN 80 AMP SET POINT DID NOT | | TRIP. OPERATORS NOTED THAT VARIOUS RELAYS ASSOCIATED WITH THE BUS WERE | | CYCLING PRIOR TO THE FUSE BLOWING. | | | | THE LOSS OF BUS EB1A1 CAUSED THE RWCU SYSTEM TO ISOLATE. SOME OF THE MORE | | IMPORTANT LOADS ALSO LOST ARE: TRAIN A OF THE STANDBY LIQUID CONTROL | | SYSTEM, DIVISION 1 OF THE LEAK DETECTION SYSTEM AND ALARMS AND INDICATIONS | | ASSOCIATED WITH ECCS. | | | | THE PLANT ENTERED TECH SPEC 3.8.1.3 AT 2316 AND IS IN AN EIGHT HOUR ACTION | | STATEMENT TO RESTORE BUS EB1A1. IF THE BUS IS NOT RESTORED THE PLANT MUST | | BE SHUTDOWN WITHIN THE NEXT 12 HOURS AND PLACED IN COLD SHUTDOWN WITHIN THE | | FOLLOWING 24 HOURS. THE LICENSEE IS TROUBLESHOOTING THE PROBLEM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28889 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FARLEY REGION: 2 |NOTIFICATION DATE: 06/03/95 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 12:07 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 06/03/95 | +------------------------------------------------+EVENT TIME: 09:48[CDT]| |NRC NOTIFIED BY: JOE POWELL |LAST UPDATE DATE: 06/03/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DOUGLAS COLLINS 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 | M/R Y 33 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE RUPTURE OF AN ELECTRO-HYDRAULIC (EH) CONTROL LINE RESULTED IN A MANUAL | | TURBINE TRIP AND MANUAL REACTOR TRIP. (AN ALMOST IDENTICAL TRIP OCCURRED ON | | 6/1/95 AT THIS UNIT. SEE EVENT #28873.) | | | | WITH THE UNIT AT 33% POWER THE OPERATORS RECEIVED AN EH TROUBLE ALARM AND | | NOTED EH PRESSURE DECREASING. (EH FLUID IS USED IN THE CONTROL SYSTEMS FOR | | THE MAIN TURBINE AND THE MAIN FEEDWATER PUMPS). THE RUPTURED LINE CAUSED A | | LOSS OF THE MAIN FEEDWATER PUMPS. OPERATORS INITIATED A TURBINE TRIP | | MANUALLY, STARTED THE MOTOR-DRIVEN AND TURBINE-DRIVEN AUXILIARY FEEDWATER | | (AFW) PUMPS, AND MANUALLY DROVE THE CONTROL RODS IN. THEY WERE UNABLE TO | | STABILIZE STEAM GENERATOR WATER LEVELS, AND WITH THE REACTOR AT | | APPROXIMATELY 15% POWER, AND STEAM GENERATOR LEVEL AT 27%, OPERATORS | | MANUALLY TRIPPED THE REACTOR. | | | | THE POST-TRIP RESPONSE WAS NORMAL. ALL RODS INSERTED AND NO SAFETY OR | | POWER-OPERATED RELIEF VALVES LIFTED. ALL ELECTRICAL BUSSES TRANSFERRED AS | | EXPECTED. THE MAIN CONDENSER REMAINS AVAILABLE AS A HEAT SINK AND STEAM | | GENERATOR WATER LEVELS WERE RESTORED BY THE AFW SYSTEM. ALL EMERGENCY | | DIESEL GENERATORS AND EMERGENCY CORE COOLING SYSTEMS ARE OPERABLE. | | | | THE PLANT COMPUTER WAS LOST FOR APPROXIMATELY 5 MINUTES DURING THE | | TRANSIENT, AND ITS LOSS COINCIDED WITH THE TRIP OF THE MAIN TURBINE. THE | | LICENSEE SUSPECTS THAT A VOLTAGE TRANSIENT CAUSED THE PROBLEM. THIS SAME | | PROBLEM OCCURRED ON THE 6/1/95 TRIP. | | | | THE EH SYSTEM RUPTURE OCCURRED IN THE LINE TO THE 'A' MAIN FEEDWATER PUMP | | AND IS IN THE SAME GENERAL LOCATION (WITHIN INCHES) AS THE EH RUPTURE OF | | 6/1/95. THE LICENSEE IS CONTINUING TO INVESTIGATE THE CAUSE OF THE | | RUPTURE. AT THIS TIME IT APPEARS THAT THE WELDS IN A SUPPORT BRACKET FOR | | THE LINE WERE BROKEN POSSIBLY CONTRIBUTING TO THE BREAK OF THE LINE. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28890 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 06/03/95 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 15:07 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 06/03/95 | +------------------------------------------------+EVENT TIME: 15:00[EDT]| |NRC NOTIFIED BY: RUSS KEARNEY |LAST UPDATE DATE: 06/03/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROY CANIANO 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 | 98 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION REQUIRED SHUTDOWN DUE TO THE LOSS OF VITAL 120 VOLT | | BUS EB-1-A1. | | | | THE LICENSEE PREVIOUSLY REPORTED THE LOSS OF THIS BUS (SEE EVENT # 28888). | | THE LOSS OF THE BUS PLACED THE UNIT IN TECH SPEC 3.8.3.1 WHICH REQUIRED THE | | BUS TO BE RESTORED IN 8 HOURS OR THE UNIT PLACED IN A HOT SHUTDOWN | | CONDITION WITHIN THE NEXT 12 HOURS. THE TRANSFORMER FOR THE BUS HAS BEEN | | REPAIRED, HOWEVER, IT HAS NOT BEEN TESTED. THE LICENSEE IS UNSURE AT THIS | | TIME IF THE BUS CAN BE DECLARED OPERABLE PRIOR TO HAVING TO SHUTDOWN THE | | UNIT. THE LICENSEE MAY ALSO PURSUE ENFORCEMENT DISCRETION. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | | | | ***UPDATE 6/3/95 @ 17:43 FROM DICOLA TAKEN BY SEBROSKY *** | | THE LICENSEE EXITED THE TECH SPEC REQUIRED SHUTDOWN AT 17:20 WHEN THE BUS | | WAS DECLARED OPERABLE. THE LOWEST REACTOR POWER REACHED WAS 78%. THE | | LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. HOO NOTIFIED R3DO(CANIANO). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28891 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 06/04/95 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 08:14 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 06/04/95 | +------------------------------------------------+EVENT TIME: 07:00[EDT]| |NRC NOTIFIED BY: JOHN THOMAS |LAST UPDATE DATE: 06/04/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MOHAMED SHANBAKY RDO | |AENS 50.72(b)(1)(v) ENS INOPERABLE | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | EMERGENCY SIRENS OUT OF SERVICE | | | | THE LICENSEE RECEIVED AN AUTOMATED MESSAGE FROM THE BEAVER COUNTY EMERGENCY | | CENTER AT 0700 INDICATING THAT THERE WAS A MALFUNCTION IN THE SIREN SYSTEM. | | A TECHNICIAN WAS DISPATCHED AT 0720 AND CONFIRMED AT 0800 THAT THE SIRENS | | WERE INDEED OUT OF SERVICE. EACH OF THE THREE SURROUNDING COUNTIES | | MAINTAINS A SEPARATE SIREN SYSTEM. ONLY THE BEAVER COUNTY SYSTEM IS OUT OF | | SERVICE. REPAIRS ARE IN PROGRESS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1140 ON 6/4/95 BY THOMAS TAKEN BY WEAVER * * * | | THE SIRENS HAVE BEEN RETURNED TO SERVICE. HOO NOTIFIED THE RDO (SHANBAKY). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28892 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 06/04/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 13:12 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 06/04/95 | +------------------------------------------------+EVENT TIME: 11:00[EDT]| |NRC NOTIFIED BY: RICKY RAWLS |LAST UPDATE DATE: 06/04/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |DOUGLAS COLLINS RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ELINOR ADENSAM EO | | |BERNIE WITSBERGER FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED DUE TO A HURRICANE WARNING BEING POSTED FOR THE | | AREA. | | | | AT 11:00 AM 6/4/95 A HURRICANE WARNING WAS POSTED FOR THE FLORIDA GULF | | COAST FROM ANCLOTE KEY (NEAR TAMPA) TO PENSACOLA FLORIDA. THE AREA OF THE | | WARNING ENCOMPASSES THE CRYSTAL RIVER UNIT. THE LICENSEE HAS ENTERED THEIR | | EMERGENCY PLAN FOR VIOLENT WEATHER, AND HAS STARTED TO STATION PERSONNEL, | | AND PERFORM WALK DOWNS OF THE PLANT TO MAKE SURE IT IS PREPARED FOR THE | | HURRICANE. THE LICENSEE, FOR THE TIME BEING, PLANS TO KEEP THE UNIT AT | | 100% POWER, AND WILL MONITOR THE HURRICANE. | | | | THE BASIS FOR EXITING THE UNUSUAL EVENT WILL BE WHEN THE HURRICANE WARNING | | IS NO LONGER POSTED FOR THE AREA. (THE CRITERIA FOR AN ALERT IS 110 MILE | | PER HOUR SUSTAINED WINDS AT THE SITE, AND A SITE AREA EMERGENCY WOULD BE | | DECLARED IF THERE WERE 110 MILE AN HOUR SUSTAINED WINDS AT THE SITE WITH | | THE UNIT NOT IN AT LEAST A HOT STANDBY CONDITION.) | | | | THE LICENSEE HAS NOTIFIED THE RESIDENT INSPECTOR AND STATE AND LOCAL | | OFFICIALS PER THEIR EMERGENCY PLAN. | +------------------------------------------------------------------------------+