U.S. Nuclear Regulatory Commission Operations Center Event Reports For 11/25/94 - 11/28/94 ** EVENT NUMBERS ** 28070 28071 28072 28073 28074 28075 +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 28070 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: ABERDEEN PROVING GROUND |NOTIFICATION DATE: 11/25/94 | | CITY: ABERDEEN PROVIN REGION: 1 |NOTIFICATION TIME: 17:43 [ET]| | COUNTY: HARFORD STATE: MD |EVENT DATE: 11/25/94 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 14:00[EST]| | DOCKET: |LAST UPDATE DATE: 11/25/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |RULAND RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: CARDENUTO | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MR. CARDENUTO OF THE DEPARTMENT OF THE ARMY REPORTED A FIRE AT THE ABERDEEN | | PROVING GROUND INVOLVING APPROXIMATELY 95 Ci OF TRITIUM CONTAINED IN GLASS | | VIALS. | | | | A FIRE OCCURRED IN A METAL STORAGE BUILDING CONTAINING, AMONG OTHER ITEMS, | | 13 SEALED TRITIUM SOURCES (8-10Ci AND 5-3Ci) USED IN FIRE-CONTROL SYSTEMS. | | TOTAL ACTIVITY OF THE SOURCES IS BELIEVED TO BE APPROXIMATELY 95 Ci, NOT | | ACCOUNTING FOR RADIOACTIVE DECAY OF THE SOURCES. THE FIRE HAS BEEN | | EXTINGUISHED, BUT WORKERS ARE UNABLE TO VERIFY THE STATUS OF THE SOURCES OR | | SURVEY THE AREA DUE TO THE EXTREME HEAT OF THE BUILDING REMAINS. THE | | CLOSEST SITE BOUNDARY IS APPROXIMATELY 3 MILES AWAY FROM THE STORAGE | | BUILDING, AND NO OFFSITE RELEASES ARE EXPECTED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28071 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 11/25/94 | |UNIT: [1] [2] [ ] STATE: MD |NOTIFICATION TIME: 17:47 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 11/25/94 | +------------------------------------------------+EVENT TIME: 16:30[EST]| |NRC NOTIFIED BY: SHUMAKER |LAST UPDATE DATE: 11/25/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RULAND RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE NOTIFIED MARYLAND DEPARTMENT OF ENVIRONMENT AND US DOT NATIONAL | | RESPONSE CENTER OF A SPILL OF 2 GALLONS OF OIL ONSITE. | | | | THE LICENSEE REPORTED THAT APPROXIMATELY 2 GALLONS OF OIL WAS SPILLED ONTO | | THE GROUND. THE CONTAMINATED SOIL HAS BEEN REMOVED AND DISPOSED. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28072 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SURRY REGION: 2 |NOTIFICATION DATE: 11/25/94 | |UNIT: [1] [2] [ ] STATE: VA |NOTIFICATION TIME: 21:40 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 11/25/94 | +------------------------------------------------+EVENT TIME: 21:13[EST]| |NRC NOTIFIED BY: CARLSON |LAST UPDATE DATE: 11/25/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |MCGUIRE RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |VIRGILIO EO | |ANTG 50.72(b)(1)(iii) FLAM MAT REL/EXPLO |STEINER FEMA | | |BELISLE R2 | | |VERRELLI R2 | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 97 POWER OPERATION | 97 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A PLANT EMPLOYEE WAS INJURED DURING A CHEMICAL EXPLOSION IN THE PLANT | | RADWASTE FACILITY. | | | | AT 2030 ON 11/25/94, AN INDIVIDUAL WAS INJURED WHEN A CHEMICAL EXPLOSION | | OCCURRED IN THE PLANT RADWASTE FACILITY. AT THE TIME OF THE EXPLOSION, THE | | INDIVIDUAL WAS ADDING HYDROGEN PEROXIDE TO A CHEMICAL REACTOR TANK IN | | PREPARATION FOR THE NEUTRALIZATION OF SOME CHEMICALS. AN UNEXPECTED | | CHEMICAL REACTION OCCURRED, KNOCKING THE INDIVIDUAL FROM A LADDER TO THE | | FLOOR APPROXIMATELY 12 FEET BELOW. THE INDIVIDUAL WAS TRANSPORTED TO A | | LOCAL HOSPITAL VIA THE SITE AMBULANCE FOR TREATMENT OF A POSSIBLE BROKEN | | ANKLE. THE INDIVIDUAL WAS NOT CONTAMINATED. | | | | AT 2113, AN UNUSUAL EVENT WAS DECLARED DUE TO THE UNEXPECTED CHEMICAL | | REACTION IN THE RADWASTE FACILITY. THE LICENSEE IS CURRENTLY INVESTIGATING | | THE CAUSE OF THE EXPLOSION. (THE RADWASTE FACILITY IS OPERATED BY A | | CONTRACTOR.) NO RADIOACTIVE MATERIAL WAS INVOLVED IN THE EXPLOSION, AND NO | | APPARENT DAMAGE TO THE FACILITY WAS REPORTED. THE NRC RESIDENT WILL BE | | INFORMED. STATE AND LOCAL AGENCIES HAVE BEEN NOTIFIED BY THE LICENSEE. | | | | * * * UPDATE 2346 11/25/94 BY CARLSON TAKEN BY STRANSKY * * * | | | | THE UNUSUAL EVENT WAS TERMINATED AT 2345. THE LICENSEE HAS DETERMINED THAT | | NO FURTHER THREAT OF EXPLOSION EXISTS IN THE RADWASTE FACILITY, ALTHOUGH | | THE CAUSE OF THE ORIGINAL EVENT REMAINS UNKNOWN. THE INJURED EMPLOYEE IS | | BEING TREATED AT THE RIVERSIDE HOSPITAL FOR A FRACTURED ANKLE. THE RI WILL | | BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28073 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 11/26/94 | |UNIT: [1] [ ] [ ] STATE: AZ |NOTIFICATION TIME: 03:13 [ET]| |RX TYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 11/26/94 | +------------------------------------------------+EVENT TIME: 01:03[MST]| |NRC NOTIFIED BY: BOSSE |LAST UPDATE DATE: 11/26/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL 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 98 POWER OPERATION | 97 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE IS SHUTTING THE PLANT DOWN DUE TO TS 3.4.10 ACTION "A". | | | | THE PLANT IS SHUTTING DOWN TO MODE 4 TO AFFECT REPAIRS TO VALVES | | "RCAHV-103" & "RCBHV-105"(PZR VENT VALVE & VENT VALVE TO THE RDT) DUE TO | | SUSPECTED LEAKAGE WHICH PROBABLY IS THE CAUSE OF THE INCREASED RDT LEVEL | | AND PRESSURE. THE PLANT IS BEING SHUTDOWN AT THE RATE OF APPROX 20%/HR AND | | THEY ARE ESTIMATING A 5 DAY OUTAGE. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28074 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 11/26/94 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 21:20 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 11/26/94 | +------------------------------------------------+EVENT TIME: 19:38[CST]| |NRC NOTIFIED BY: KUCZYNSKI |LAST UPDATE DATE: 11/26/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HILAND 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 | N Y 1 STARTUP | 1 STARTUP | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SPURIOUS CONTAINMENT GROUP 5 ISOLATION SIGNAL WAS RECEIVED WHILE PLACING | | THE ISOLATION CONDENSER IN STANDBY. | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "DURING THE ONGOING UNIT 2 STARTUP, A SPURIOUS GROUP V ISOLATION SIGNAL WAS | | RECEIVED WHEN THE ISOLATION CONDENSER WAS BEING PLACED IN STANDBY MODE PER | | THE STARTUP PROCEDURE. THE ISOLATION OCCURRED WHEN THE INLET ISOLATION | | VALVE (2-1301-4) WAS GIVEN AN OPEN SIGNAL. A MOMENTARY PRESSURE SPIKE IS | | THE LIKELY CAUSE OF THE ISOLATION. IN ADDITION, THE 1301-4 VALVE'S BREAKER | | TRIPPED WHEN IT WAS GIVEN AN OPEN SIGNAL. THE BREAKER WAS RESET AND THE | | VALVE INDICATED CLOSED. REACTOR PRESSURE WAS 113 PSIG AND THERMAL BINDING | | IS A POSSIBLE CAUSE OF THE VALVE TRIP. THE ISOLATION WAS SUBSEQUENTLY | | RESET AND THE SYSTEM WAS PLACED IN STANDBY MODE. THE 1301-4 VALVE CYCLED | | PROPERLY WHEN REOPENED." | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28075 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 11/27/94 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 00:41 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 11/26/94 | +------------------------------------------------+EVENT TIME: 21:30[CST]| |NRC NOTIFIED BY: SMALLFOOT |LAST UPDATE DATE: 11/27/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DECLARED BOTH STANDBY GAS TREATMENT SYSTEMS("A" & "B") | | INOPERABLE DUE TO THE CHARCOAL BED DOORS BEING IN AN UNDOGGED CONDITION. | | | | THE "A" & "B" SGTS WAS DECLARED INOPERABLE BECAUSE OF THE CHARCOAL BED | | DOORS BEING FOUND IN THE UNDOGGED CONDITION (IT ALLOWS BOTH DOORS TO HAVE | | APPROXIMATELY ONE EIGHTH TO ONE QUARTER INCH MOVEMENT ON THE UNHINGED SIDE | | OF THE DOORS). THIS MOVEMENT MAY CAUSE THE DOORS TO NO LONGER MAKE | | COMPLETE CONTACT WITH ITS SEAL, THUS DOOR SEALING INTEGRITY CAN NOT BE | | ASSURED. THE LICENSEE RE-DOGGED BOTH DOORS TO RESTORE DOOR TO SEAL CONTACT, | | BUT UNTIL TESTING PER TS CAN BE PERFORMED, STANDBY GAS TRAINS "A" & "B" | | WILL NOT BE OPERABLE. | | | | THESE DOORS HAVE A LOCKING MECHANISM WHICH HAS A SLOTTED ARM THAT RESTRICTS | | MOVEMENT OF DOOR TO APPROXIMATELY ONE EIGHTH TO ONE QUARTER INCH. ALTHOUGH | | TS SEALING REQUIREMENTS CAN NOT BE ABSOLUTELY ASSURED, THE LIMITED DOOR | | MOVEMENT WOULD PROVIDE AN EXTREMELY RESTRICTED LEAKAGE PATH. THE LOCK IS | | CURRENTLY INSTALLED AND HAS NOT BEEN REMOVED. THE LOCK PREVENTED ACTUAL | | OPENING OF EITHER DOOR, SO SEALS WERE NOT EXPOSED AND THEREFORE NO DAMAGE | | TO SEALING SURFACES SHOULD HAVE OCCURRED. | | | | TESTING WILL BE PERFORMED TO CONFIRM DOOR SEAL INTEGRITY BEFORE EITHER | | STANDBY GAS TRAIN IS RESTORED TO AN OPERABLE STATUS, BUT UNTIL TESTING IS | | PERFORMED SGTS WILL BE IN AN AVAILABLE STATUS SINCE BOTH DOORS ARE LOCKED | | DOGGED. | | | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+