U.S. Nuclear Regulatory Commission Operations Center Event Reports For 10/16/97 - 10/17/97 ** EVENT NUMBERS ** 33049 33095 33096 33097 33098 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33049 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 10/08/97 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 21:22 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 10/08/97 | +------------------------------------------------+EVENT TIME: 18:00[EDT]| |NRC NOTIFIED BY: JEFFREY SHIPE |LAST UPDATE DATE: 10/16/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD CONTE RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE DISCOVERED ERROR IN APPENDIX R ANALYSIS | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "A REVIEW PERFORMED BY THE NUCLEAR ENGINEERING DEPARTMENT IDENTIFIED AN | | ERROR IN THE APPENDIX R FIRE ANALYSIS. | | | | ONE OF THE LETDOWN METHODS CREDITED IN THE APPENDIX R ANALYSIS IS TO | | MAINTAIN PRESSURIZER LEVEL BY SHRINK DURING COOLDOWN WHILE CHARGING INTO | | THE REACTOR COOLANT PUMP SEALS. HOWEVER, THE NATURAL CIRCULATION COOLDOWN | | METHOD REQUIRES A NINE-HOUR SOAK AT 350øF DURING WHICH TIME THERE WOULD BE | | NO SEAL INJECTION FLOW OR THE PRESSURIZER LEVEL WOULD INCREASE. WITHOUT | | SEAL INJECTION FLOW OR THERMAL BARRIER COOLING, THE RCP SEALS COULD BE | | DAMAGED. THIS IS THE ONLY LETDOWN METHOD AVAILABLE PER THE APPENDIX R | | ANALYSIS FOR A FIRE IN CONTAINMENT, AND THE CONTAINMENT EXEMPTION (CHAPTER | | 11.2 OF THE APPENDIX R REPORT) DOES NOT DIRECTLY ADDRESS THE LOSS OF | | LETDOWN OR THE PHYSICAL SEPARATION OF THE REDUNDANT REACTOR COOLANT GAS | | VENT SYSTEM VALVES AND ASSOCIATED CABLES WHICH ARE QUALIFIED AS LETDOWN | | PATHS FOR APPENDIX R FIRES IN OTHER PLANT AREAS. | | | | PROBABLE CAUSE: INADEQUATE ANALYSIS OF THE SAFE SHUTDOWN METHODOLOGY WHEN | | THE ORIGINAL SHUTDOWN ANALYSIS WAS DEVELOPED. THIS IS NOT APPLICABLE TO | | UNIT 2." | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | * * * UPDATE AT 2003 ON 10/16/97 BY HARDNER, TAKEN BY WEAVER * * * | | THE LICENSEE IS RETRACTING THIS NOTIFICATION. | | | | FURTHER REVIEW OF HISTORICAL DOCUMENTATION ASSOCIATED WITH EXEMPTIONS FROM | | APPENDIX R REQUIREMENTS HAS DISCOVERED AN NRC APPROVED EXEMPTION THAT | | ALLOWS THE USE OF THE REACTOR COOLANT GAS VENT SYSTEM AS AN ALTERNATE | | REACTOR COOLANT SYSTEM (RCS) LETDOWN FLOW PATH. THE EXEMPTION WAS BASED ON | | INFORMATION PROVIDED TO THE NRC DURING A MEETING AT BEAVER VALLEY ON | | NOVEMBER 30, 1982, AND DOCUMENTED IN AN NRC LETTER DATED DECEMBER 12, 1982. | | THE EXEMPTION WAS FROM THE TECHNICAL REQUIREMENTS OF SECTION III.G.2 OF 10 | | CFR 50 APPENDIX R FOR THE REACTOR CONTAINMENT AREA FOR THE RCS HEAD VENT | | SOLENOID VALVES AND ASSOCIATED CABLING. BEAVER VALLEY'S APPENDIX R REPORT | | DID NOT REFLECT THE ABOVE CONSIDERATIONS TO INCLUDE THIS SPECIFIC | | EXEMPTION. THIS LED TO THE 10 CFR 50.72 NOTIFICATION MADE ON 10/08/97. | | | | BASED ON THE APPROVED EXEMPTION TO APPENDIX R FOR THE RCS HEAD VENT SYSTEM | | CIRCUITRY INSIDE CONTAINMENT, THIS CONDITION IS CONSIDERED TO BE AN | | ANALYZED AND ACCEPTABLE CONFIGURATION FOR ACCOMPLISHING LETDOWN CAPABILITY | | IN THE EVENT OF A FIRE IN CONTAINMENT. | | | | THE LICENSEE WILL NOTIFY THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE | | R1DO (MODES). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33095 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 10/16/97 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 15:26 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 10/15/97 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: MARY BETH DEPUYDT |LAST UPDATE DATE: 10/16/97 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER RDO | |BAE1 20.2202(b)(1) PERS OVEREXPOSURE | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | PERSONNEL OVEREXPOSURE - 82.7 REM TO THE FOOT | | | | A CONTRACTOR RECEIVED A DOSE OF 82.7 REM TO THE FOOT CAUSED BY | | CONTAMINATION CONTAINED IN HIS SHOE. THE CONTAMINATION IS BELIEVED TO HAVE | | BEEN PICKED UP AT A SWEDISH REACTOR APPROXIMATELY TWO MONTHS AGO. THE DOSE | | FIGURE IS PRELIMINARY, AND IS BASED ON WEARING THE SHOE 14 HOURS PER DAY | | EVERY OTHER DAY FOR SIXTY DAYS. THE VARSKIN COMPUTER CODE WAS USED FOR THE | | CALCULATION. THE LICENSEE CONSIDERS THIS REPORT TO BE VOLUNTARY BECAUSE | | THE EXPOSURE WAS NOT CAUSED BY RADIOACTIVE MATERIAL UNDER THEIR CONTROL. | | | | THE LICENSEE'S ORIGINAL (PRIOR TO ENTRY INTO A CONTAMINATED AREA) WHOLE | | BODY SCAN SHOWED INTERNAL CONTAMINATION CONSISTING PRIMARILY OF Nb-95 AND | | Zr-59. THIS WAS WITHIN ALLOWED LIMITS AND THE WORKER WAS ALLOWED TO ENTER | | THE PLANT. THE INDIVIDUAL SET OFF THE FOOT MONITOR UPON EXITING THE | | RADIOLOGICALLY CONTROLLED AREA OF THE UNIT TWO CONTAINMENT AFTER HIS FIRST | | DAY OF WORK. SUBSEQUENT SURVEYS REVEALED THAT THE CONTAMINATION WAS IN HIS | | SHOE AND CONSISTED OF Nb-95 AND Zr-95 AS WELL AS SMALLER AMOUNTS OF OTHER | | ISOTOPES. | | | | THE LICENSEE HAS DISPATCHED PERSONNEL TO SURVEY THE HOTEL ROOM WHERE THE | | INDIVIDUAL IS STAYING. THEY HAVE ALSO RELAYED HIS NAME AND PERMANENT | | ADDRESS TO NRC REGION III. THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33096 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 10/16/97 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 17:24 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 10/16/97 | +------------------------------------------------+EVENT TIME: 14:15[EDT]| |NRC NOTIFIED BY: J. WEBERS |LAST UPDATE DATE: 10/16/97 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL MODES RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | POTENTIAL FLOWPATH EXISTS FOR LOSS OF INVENTORY DURING AN APPENDIX "R" FIRE | | | | DURING A PLANT WALKDOWN IT WAS DISCOVERED THAT A POTENTIAL FLOWPATH EXISTS | | FOR LOSS OF REACTOR COOLANT INVENTORY TO THE MAIN CONDENSER FOR CERTAIN | | APPENDIX "R" FIRES. SPECIFICALLY, IF A FIRE WERE TO CAUSE MULTIPLE HOT | | SHORTS IN THE MOVs OF THE REACTOR WATER CLEANUP SYSTEM (RWCS), WATER COULD | | FLOW FROM THE REACTOR VESSEL TO THE MAIN CONDENSER THROUGH THE REJECT | | FLOWPATH. THE FLOWPATH WOULD BE THROUGH A LOW PRESSURE PUMP IN THE RWCS | | WHICH HAD NOT BEEN PREVIOUSLY CONSIDERED. | | | | THE LICENSEE HAS IDENTIFIED TWO MANUAL ISOLATION VALVES THAT WOULD | | TERMINATE FLOW UNDER THE ABOVE CIRCUMSTANCES. THE VALVE NUMBERS ARE 33-05 | | AND 33-06. THESE VALVES WILL BE ADDED TO THE PROCEDURE DEALING WITH FIRES | | (N-1-SOP-9). | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33097 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COMANCHE PEAK REGION: 4 |NOTIFICATION DATE: 10/16/97 | |UNIT: [1] [2] [ ] STATE: TX |NOTIFICATION TIME: 19:29 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 10/16/97 | +------------------------------------------------+EVENT TIME: 17:00[CDT]| |NRC NOTIFIED BY: CHUCK COTTON |LAST UPDATE DATE: 10/16/97 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM STETKA RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | INFORMATION CALL - ERDS SYSTEM OUT OF SERVICE FOR ONE WEEK | | | | THE SERVER WHICH IS USED FOR THE EMERGENCY RESPONSE DATA SYSTEM (ERDS) WAS | | NOT COMMUNICATING WITH THE PLANT COMPUTER. INFORMATION TECHNOLOGY | | DEPARTMENT IDENTIFIED TWO BAD COAXIAL CABLES. THE CABLES HAVE BEEN | | REPAIRED AND THE EQUIPMENT IS NOW OPERATING. | | | | THE DAMAGE APPARENTLY OCCURRED DURING REMODELING OF THE EMERGENCY | | OPERATIONS FACILITY ON OCTOBER 10, 1997, BASED ON A REVIEW OF COMPUTER | | LOGS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33098 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WESTINGHOUSE ELECTRIC CORPORATION |NOTIFICATION DATE: 10/16/97 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 20:25 [ET]| |COMMENTS: LEU CONVERSION (UF6 to UO2) |EVENT DATE: 10/16/97 | | COMMERCIAL LWR FUEL |EVENT TIME: 17:00[EDT]| | |LAST UPDATE DATE: 10/16/97 | | CITY: COLUMBIA REGION: 2 +-----------------------------+ | COUNTY: RICHLAND STATE: SC |PERSON ORGANIZATION| |LICENSE#: SNM-1107 AGREEMENT: Y |THOMAS PEEBLES RDO | | DOCKET: 07001151 |LARRY CAMPER EO | +------------------------------------------------+ | |NRC NOTIFIED BY: JIM HEATH |RICHARD BARRETT IRD | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BULLETIN 91-01 REPORT - DEFICIENT ANALYSIS ON A VENTILATION SYSTEM | | | | IN RESPONSE TO NRC INSPECTION REPORT 97-205, THE LICENSEE DISCOVERED A | | DEFICIENT ANALYSIS ON THE VENTILATION ENCLOSURE AROUND VALVES WHICH CONNECT | | THE BUCKET ELEVATOR TO THE CALCINER IN THE CONVERSION PROCESS. THE | | ANALYSIS IS DEFICIENT IN THAT IT DOES NOT CLEARLY IDENTIFY THE CONTROLS IN | | PLACE (MASS AND MODERATOR). NO ACTUAL ACCUMULATION OF MATERIAL OCCURRED. | | | | THE LICENSEE HAD THREE OF FIVE PROCESS LINES OPERATING AT THE TIME OF THIS | | DISCOVERY. ALL LINES WERE SHUTDOWN BY 1820 AND WILL REMAIN SHUTDOWN UNTIL | | THE DEFICIENT ANALYSIS ISSUE IS RESOLVED. | | | +------------------------------------------------------------------------------+