U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/12/94 - 09/13/94 ** EVENT NUMBERS ** 27775 27776 27777 +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 27775 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: AMERSHAM HEALTH SCIENCES |NOTIFICATION DATE: 09/12/94 | | CITY: CHICAGO REGION: 3 |NOTIFICATION TIME: 16:38 [ET]| | COUNTY: COOKE STATE: IL |EVENT DATE: 09/12/94 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 14:55[CDT]| | DOCKET: |LAST UPDATE DATE: 09/12/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BURGESS RDO | | |PIERSON EO | +------------------------------------------------+BANGART STPG | |NRC NOTIFIED BY: MANGONI | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NTRA TRANSPORTATION EVENT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | | | TRANSPORTATION EVENT | | CALLER'S NAME: R. ETL | | | | CALLER'S ORGANIZATION: CHICAGO FIRE DEPT HAZMAT UNIT | | | | TRANSPORTATION MODE ( HIGHWAY, AIR, WATER, RAIL ): AIR | | | | EXACT LOCATION OF EVENT ( STATE, COUNTY, CITY OR DISTANCE FROM CITY, | | HIGHWAY, STREET, OR LAND MARK ): O'HARE INTERNATIONAL AIRPORT BETWEEN | | TERMINAL 3 AND INTERNATIONAL TERMINAL | | | | NAME OF CARRIER: UNKNOWN | | | | MATERIAL INVOLVED: UNKNOWN | | | | -TYPE OF PACKAGES(CARDBOARD, METAL, DRUM, CASK, ETC): BOX (MATL UNKNOWN) | | | | -NUMBER OF PACKAGES: 1 | | | | -PACKAGE LABEL: RAM-2 / AMT. 54.503 / NBQ1-473 | | | | -CONDITION OF PACKAGES(DAMAGED, LEAKING, ETC): POTENTIALLY LEAKING | | | | -RADIATION SURVEY INFORMATION: >0.1 mR/HR | | (PERFORMED BY, READINGS, INSTRUMENT, LOCATION): CONTACT READINGS | | | | MEDIA COVERAGE(Y/N): N | | | | AGENCIES NOTIFIED(E.G., DOT, DOE, STATE, LOCAL): NONE | | | | AGENCIES ON SCENE: NONE | | | | INJURIES: NONE | | | | CURRENT STATUS: FIRE DEPARTMENT IS AWAITING ARRIVAL OF EPA REGION V ON | | SCENE | | | | DESCRIPTION OF EVENT: | | | | USDOT NATIONAL RESPONSE CENTER PLACED HOO ON CONFERENCE CALL WITH CALLER | | FROM CHICAGO FIRE DEPARTMENT HAZMAT UNIT. A 10' X 4' X 8' BOX LABELED | | "RAM" WAS DROPPED FROM A SERVICE VEHICLE AT THE CHICAGO O'HARE INT'L | | AIRPORT. THE BOX WAS READING >0.1 mR/HR (CALLER UNSURE OF UNITS) WHEN | | MEASURED USING A GEIGER COUNTER. CALLER REQUESTED US EPA ASSISTANCE, AND | | EPA REGION V IS SENDING A REPRESENTATIVE TO THE SCENE. | | | | *** UPDATE 1736 9/12/94 BY MANGONI *** THE BOX WAS BEING SHIPPED BY | | AMERSHAM HEALTH SCIENCES VIA AIR CANADA. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27776 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 09/12/94 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 16:43 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 09/12/94 | +------------------------------------------------+EVENT TIME: 16:40[EDT]| |NRC NOTIFIED BY: FERNSLER |LAST UPDATE DATE: 09/12/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CONTE RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NEW POSTULATED SINGLE-FAILURES OF STANDBY GAS TREATMENT SYSTEM AND REACTOR | | BUILDING RECIRCULATION COULD RESULT IN INCREASED OFFSITE DOSES DURING | | ACCIDENT CONDITIONS. | | | | DURING A DESIGN REVIEW OF THE STANDBY GAS TREATMENT SYSTEM, TWO PREVIOUSLY | | UNANALYZED SINGLE FAILURES WERE DISCOVERED. SPECIFICALLY, THE FAILURE | | MODES ARE AS FOLLOWS: | | | | (1) PREMATURE OPENING OF SGTS MAKEUP AIR DAMPER FD-07551A2 OR B2 DUE TO | | CONTROLLER OR ASSOCIATED CONTROL LOOP FAILURE WHICH CAUSES HIGH | | DEMAND (THIS INCREASES DRAWDOWN TIME FROM 3 MINUTES TO 18 MINUTES). | | | | (2) OPENING OF RECIRCULATION FAN DAMPER HD-07545A OR B WITHOUT ITS | | ASSOCIATED FAN RUNNING DUE TO AN ELECTRICAL SHORT IN ITS CONTROL CABLE | | (THIS DECREASES MIXING VOLUME FROM 50% TO 6.5%). | | | | THE SINGLE FAILURE OF EITHER THE SGTS MAKEUP DAMPER OR THE RECIRCULATION | | FAN DAMPER IS OUTSIDE THE CURRENT PLANT DESIGN BASIS, WHICH REQUIRES THAT | | THE SGTS BE SINGLE-FAILURE PROOF. IF EITHER FAILURE WERE TO OCCUR, THE | | 2-HOUR OFFSITE THYROID DOSE WOULD INCREASE TO 40-80 REM, BASED UPON | | LICENSEE CALCULATIONS. THE LICENSEE STATED THAT THE CALCULATED OFFSITE | | DOSE WOULD REMAIN BELOW 10 CFR PART 100 LIMITS, ASSUMING WORST-CASE | | POSTULATED FAILURES. | | | | THE LICENSEE HAS DETERMINED THAT THE EQUIPMENT IS STILL OPERABLE, AND | | PROCEDURE REVISIONS HAVE BEEN MADE TO DETECT THESE POSSIBLE SINGLE-FAILURE | | MODES. THE RI HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27777 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAN ONOFRE REGION: 4 |NOTIFICATION DATE: 09/12/94 | |UNIT: [ ] [ ] [3] STATE: CA |NOTIFICATION TIME: 19:19 [ET]| |RX TYPE: [1] W-3-LP,[2] CE,[3] CE |EVENT DATE: 09/12/94 | +------------------------------------------------+EVENT TIME: 12:37[PDT]| |NRC NOTIFIED BY: PERKINS |LAST UPDATE DATE: 09/12/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PELLET 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 97 POWER OPERATION | 97 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MOMENTARY LOSS OF POWER TO 4KV ESF BUS CAUSES TRANSFER TO ALTERNATE SUPPLY | | AND AUTOSTART OF ASSOCIATED EMERGENCY DIESEL GENERATOR. | | | | UNIT 3 TRAIN B 4KV ESF BUS 3A06 TRANSFERRED FROM THE UNIT 3 RESERVE | | AUXILIARY TRANSFORMER TO THE UNIT 2 2A06 BUS AFTER THE RESERVE AUXILIARY | | TRANSFORMER SUPPLY BREAKER TRIPPED OPEN. THE ASSOCIATED EMERGENCY DIESEL | | GENERATOR STARTED, BUT DID NOT LOAD, DUE TO THE MOMENTARY LOSS OF VOLTAGE | | SIGNAL ASSOCIATED WITH THE TRIP OF THE RESERVE AUXILIARY TRANSFORMER SUPPLY | | BREAKER. THE CAUSE OF THE BREAKER TRIP IS UNDER INVESTIGATION, BUT A | | WORKER WAS INSTALLING FASTENERS ON THE BREAKER CUBICLE DOOR AT THE TIME OF | | THE TRIP. THE UNIT REMAINS IN A 72 HOUR LCO DUE TO LOSS OF THE RESERVE | | AUXILIARY TRANSFORMER FEED TO THE 3A06 BUS. THE RI HAS BEEN INFORMED. | +------------------------------------------------------------------------------+