U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/05/98 - 02/06/98 ** EVENT NUMBERS ** 32833 33217 33543 33651 33654 33655 33656 33657 33658 33659 33660 33661 33662 33663 33664 33665 33666 33667 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32833 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 08/28/97 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 04:55 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 08/28/97 | +------------------------------------------------+EVENT TIME: 04:00[EDT]| |NRC NOTIFIED BY: WISNIEWSKI |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES LINVILLE RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |ADEG 50.72(b)(1)(ii) DEGRAD COND DURING OP | | |NLCO TECH SPEC LCO A/S | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | TWO RECIRC SYSTEM PRIMARY CONTAINMENT ISOLATION SAMPLE VALVES INOPERABLE. | | | | DURING A SURVEILLANCE TEST OF TWO IN-SERIES RECIRC SYSTEM SAMPLE VALVES | | (#RV-39 & 40) (PRIMARY CONTAINMENT ISOLATION VALVES), THE LICENSEE | | DETERMINED THAT THE VALVES FAILED TO ISOLATE FLOW AS WAS INDICATED AT THE | | CHEMISTRY SAMPLE SINK. THE LICENSEE DECLARED THESE VALVES INOPERABLE AND | | ENTERED TS LCO ACTION STATEMENT 3.7.D.3 TO BE IN COLD SHUTDOWN CONDITION | | WITHIN 24 HOURS. THE LICENSEE IS INVESTIGATING THE PROBLEM. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND WILL NOTIFY STATE | | OFFICIALS. | | | | * * * UPDATE AT 1745 BY DENNIS MAY ENTERED BY JOLLIFFE * * * | | | | THE LICENSEE REPAIRED AND SHUT SAMPLE VALVE #RV-39, DECLARED IT OPERABLE, | | AND EXITED TS LCO A/S 3.7.D.3. THE LICENSEE IS INCREASING POWER FROM 70%. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE OPERATIONS OFFICER NOTIFIED R1DO JIM LINVILLE. | | | | *** RETRACTION AT 1139 ET ON 02/05/98 BY JIM BROOKS TAKEN BY MACKINNON *** | | | | THE FOLLOWING EXPLAINS THE JUSTIFICATION FOR THE RETRACTION OF THIS EVENT | | REPORT MADE ON 08/28/97. | | | | FOLLOW-UP INVESTIGATION REVEALED TWO CONDITIONS WHICH CONCLUDE THAT THE | | CONDITION FOUND WAS NOT OUTSIDE OF THE DESIGN BASIS OF THE PLANT. | | | | 1. THE TESTING WAS PERFORMED AT NORMAL OPERATING PRESSURE ...DEMONSTRATION | | OF PROPER ISOLATION CAPABILITY OF THE VALVES IS PERFORMED AT 44 psi RATHER | | THAN THE 1000 psi. THE FAILURE TO PRECLUDE FLOW AT 1000 psi IS NOT | | INCONSISTENT WITH THE TECHNICAL SPECIFICATION (TS) OPERABILITY REQUIREMENTS | | FOR THE ISOLATION VALVES. THE INABILITY OF A COMPONENT FROM BEING CAPABLE | | OF PERFORMING ABOVE ITS OPERABILITY REQUIREMENTS DOES NOT CHALLENGE ITS | | OPERABLE STATUS. | | | | 2. NUREG-1022 REV. 1 SECOND DRAFT SECTION 3.2.2(3) STATES, "SECTION 50.36 | | (c)(3) OUTLINES SURVEILLANCE REQUIREMENTS IN TS. FOR THE PURPOSE OF | | EVALUATING THE REPORTABILITY OF DISCREPANCIES FOUND DURING TS | | SURVEILLANCES, AN OPERATION OR CONDITION PROHIBITED BY TS EXISTED AND IS | | REPORTABLE IF THE TIME OF THE EQUIPMENT INOPERABILITY EXCEEDED THE LCO | | ALLOWED OUTAGE TIME. IT SHOULD BE ASSUMED THAT THE DISCREPANCY OCCURRED AT | | THE TIME OF THIS DISCOVERY UNLESS THERE IS FIRM EVIDENCE, BASED UPON THE | | REVIEW OF RELEVANT INFORMATION, TO BELIEVE THAT THE DISCREPANCY EXISTED | | PREVIOUSLY (e.g., THE EQUIPMENT HISTORY AND CAUSE OF FAILURE)." | | | | BECAUSE FOLLOW-UP MANIPULATIONS AND TESTING OF RV-39 FOUND IT TO BE CAPABLE | | OF PERFORMING ITS ISOLATION FUNCTION IT IS APPARENT THAT THE MECHANISM | | WHICH TEMPORARILY IMPEDED ITS ABILITY TO PERFORM ITS FUNCTION WAS NOT A | | LONG STANDING CONDITION, AND SHOULD THEREFORE BE "ASSUMED THAT [IT] | | OCCURRED AT THE TIME OF DISCOVERY." | | | | R1DO (LAURIE PELUSO) NOTIFIED. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS RETRACTION BY THE | | LICENSEE. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33217 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 11/05/97 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 17:25 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 11/05/97 | +------------------------------------------------+EVENT TIME: 16:50[EST]| |NRC NOTIFIED BY: PAUL FREEMAN |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEANNE HARRISON 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 +------------------------------------------------------------------------------+ | ATWS BLOCKING SETPOINTS SET NONCONSERVATIVELY | | | | "NORTH ATLANTIC ENERGY SERVICE CORPORATION (NORTH ATLANTIC), THE OPERATOR | | OF SEABROOK STATION, HAS DETERMINED THAT THE EXISTING SETPOINT FOR | | AUTOMATICALLY BLOCKING THE ATWS MITIGATING SYSTEM ACTUATION CIRCUITRY | | (AMSAC) ACTUATION IS NON-CONSERVATIVE, AND THEREFORE CONSTITUTES A | | CONDITION OUTSIDE OF THE DESIGN BASIS OF THE PLANT PURSUANT TO | | 10CFR50.72(b)(1)(ii)(B). | | | | "DURING A REVIEW OF AMSAC DESIGN DOCUMENTS AS A RESULT OF A CONDITION | | PREVIOUSLY REPORTED BY OTHER UTILITIES, NORTH ATLANTIC DETERMINED THAT THE | | AMSAC C-20 INTERLOCK IS SET TO ENABLE AMSAC AT 40% TURBINE POWER RATHER | | THAN AT 40% REACTOR THERMAL POWER AS STATED IN THE NRC AMSAC SER. NORTH | | ATLANTIC DOES NOT HAVE AN ANALYSIS THAT DETERMINES THE EFFECT OF VOIDING IN | | THE REACTOR VESSEL AT 44% REACTOR THERMAL POWER, WHICH CORRESPONDS TO | | APPROXIMATELY 40% TURBINE POWER. THUS, IT HAS BEEN DETERMINED THAT THE | | EXISTING C-20 INTERLOCK SETPOINT FOR AUTOMATICALLY BLOCKING/ENABLING AMSAC | | ACTUATION IS NON-CONSERVATIVE. THIS CONDITION HAS THE EFFECT OF NOT | | PERMITTING AN AMSAC ACTUATION UNTIL INCREASING ABOVE APPROXIMATELY 44% | | REACTOR THERMAL POWER INSTEAD OF THE REQUIRED 40% REACTOR THERMAL POWER. | | THIS CONDITION HAS EXISTED SINCE INITIAL AMSAC INSTALLATION." | | | | CORRECTIVE ACTIONS INCLUDE PERFORMING AN OPERABILITY DETERMINATION AND | | CALCULATIONS TO DETERMINE NECESSARY SETPOINT ADJUSTMENTS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | NOTE: SEE RELATED EVENTS 33132, 33205, 33225, 33235. | | | | * * * UPDATE AT 1455 ON 2/5/98, BY MCINTIRE TAKEN BY WEAVER * * * | | THE LICENSEE IS RETRACTING THIS EVENT BASED UPON A WESTINGHOUSE ANALYSIS | | COMPLETED ON 11/26/97. NORTH ATLANTIC SUBSEQUENTLY LEARNED THAT | | WESTINGHOUSE HAD PERFORMED ADDITIONAL ANALYSES TO DETERMINE THE EFFECTS OF | | VOIDING IN THE REACTOR VESSEL AT 50 PERCENT REACTOR POWER (WESTINGHOUSE | | TECHNICAL BULLETIN ESBU-TB-08 DATED NOVEMBER 26, 1997). WESTINGHOUSE | | CONCLUDED THAT AT 50 PERCENT REACTOR POWER, THE AMOUNT OF REACTOR COOLANT | | SYSTEM (RCS) VOIDING IS STILL LESS THAN THAT PREVIOUSLY PREDICTED AT 100 | | PERCENT POWER AND THAT THE RCS INVENTORY REMAINING AT 10 MINUTES INTO THE | | TRANSIENT IS WELL ABOVE THAT NEEDED TO ENSURE THAT THE CORE REMAINS | | COVERED. HENCE, NO CORE DAMAGE DUE TO RCS BOILING IS ANTICIPATED TO OCCUR | | WITHOUT AMSAC AT OR BELOW 50 PERCENT REACTOR POWER. WESTINGHOUSE CONCLUDED | | THAT ARMING AMSAC AT THE C-20 PERMISSIVE BASED ON TURBINE IMPULSE PRESSURE | | CORRESPONDING TO 40 PERCENT TURBINE POWER REMAINS APPROPRIATELY | | CONSERVATIVE, EVEN CONSIDERING THE DIFFERENCES BETWEEN TURBINE POWER AND | | REACTOR POWER WHEN AT PART-POWER CONDITIONS. THIS WESTINGHOUSE ANALYSIS IS | | APPLICABLE TO SEABROOK STATION. AS A RESULT, THE CONDITION OF THE C-20 | | INTERLOCK SETPOINT ENABLING AMSAC AT 40 PERCENT TURBINE POWER RATHER THAN | | AT 40 PERCENT REACTOR POWER IS NO LONGER OUTSIDE OF THE DESIGN BASIS OF THE | | PLANT. | | | | THE LICENSEE HAD REDUCED THE SETPOINT TO 20% REACTOR POWER EQUIVALENT AS A | | RESULT OF THE ORIGINAL EVENT. THEY HAVE NO PLANS TO CHANGE THE SETPOINT | | BASED ON THE NEW ANALYSIS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR OF THE RETRACTION. THE | | HOO NOTIFIED THE R1DO (PELUSO). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33543 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 01/15/98 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 14:24 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/15/98 | +------------------------------------------------+EVENT TIME: 10:30[PST]| |NRC NOTIFIED BY: WELLS |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | |KEN BROCKMAN IAT | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | SAFEGUARDS SYSTEM DEGRADATION RELATED TO COMPUTER. IMMEDIATE COMPENSATORY | | ACTIONS TAKEN UPON DISCOVERY. THE NRC RESIDENT INSPECTOR WILL BE INFORMED | | BY THE LICENSEE. REFER TO THE HOO LOG FOR ADDITIONAL DETAILS. | | | | * * * UPDATE AT 1837 ON 2/5/98, BY DRAKE TAKEN BY WEAVER * * * | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON HAVING ADEQUATE COMPENSATORY | | MEASURES IN EFFECT WITHIN TEN MINUTES. THE HOO NOTIFIED THE R4DO | | (SHACKELFORD). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 33651 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UNKNOWN |NOTIFICATION DATE: 02/04/98 | | CITY: TARPON SPRINGS REGION: 2 |NOTIFICATION TIME: 16:13 [ET]| | COUNTY: PINELLAS STATE: FL |EVENT DATE: 02/03/98 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 10:49[EST]| | DOCKET: |LAST UPDATE DATE: 02/05/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |THOMAS DECKER RDO | | |JOHN GREEVES/NMSS EO | +------------------------------------------------+RICHARD BARRETT/AEOD IRD | |NRC NOTIFIED BY: KEVIN RAMSEY (NRC NMSS) |B. CARR (VIA FAX) FEMA | |HQ OPS OFFICER: LEIGH TROCINE |T. TANNER (VIA FAX) DOE | +------------------------------------------------+(VIA FAX) USDA | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | RADIOACTIVE OBJECT FOUND BY AN INDIVIDUAL IN TARPON SPRINGS, FLORIDA | | | | AT 1613 ON 02/04/98, THE NRC's OFFICE OF NUCLEAR MATERIALS SAFETY AND | | SAFEGUARDS (KEVIN RAMSEY) NOTIFIED THE NRC OPERATIONS CENTER OF THE NRC'S | | RECEIPT OF INFORMATION REGARDING A RADIOACTIVE OBJECT THAT WAS FOUND BY AN | | INDIVIDUAL. | | | | AT 1049 ON 02/03/98, ELECTRONIC MAIL WAS SENT FROM CARLENE HOBBS OF TARPON | | SPRINGS, FLORIDA, TO THE NRC WEB SITE REGARDING A RADIOACTIVE OBJECT THAT | | HAD BEEN FOUND. THE FOLLOWING TEXT IS A PORTION OF THE ELECTRONIC MAIL | | WHICH WAS RECEIVED BY THE NRC's OFFICE OF PUBLIC AFFAIRS: | | | | "I RECENTLY FOUND AN OBJECT THAT APPEARS TO BE ABOUT 10 INCHES IN LENGTH BY | | 7/8 INCHES IN DIAMETER. IT SORT OF LOOKS LIKE A WOVEN PLASTIC CABLE WITH | | ONE END ROUNDED AND THE OTHER HAVING WHAT MAY BE TWO CONNECTORS. IT | | MEASURED JUST OVER 7,000 MIL ROENTGENS WITH A LUDLUM [SCINTALLATOR]. CAN | | YOU TELL ME WHAT THIS OBJECT IS? OR TELL ME WHO CAN? THANK YOU FOR YOUR | | HELP." | | | | THE OFFICE OF PUBLIC AFFAIRS (VICTOR DRICKS) NOTIFIED THE OFFICE OF NUCLEAR | | MATERIALS SAFETY AND SAFEGUARDS AT 1429 ON 02/04/98 AND INFORMED THEM OF | | THEIR REPLY TO CARLENE HOBBS. THE OFFICE OF PUBLIC AFFAIRS ADVISED HER | | THAT THE OBJECT COULD BE DANGEROUS, TO KEEP HER DISTANCE FROM IT, TO CALL | | HER LOCAL POLICE OR FIRE DEPARTMENT FOR ASSISTANCE, AND TO CALL THE NRC. | | | | THE OFFICE OF NUCLEAR MATERIALS SAFETY AND SAFEGUARDS UNSUCCESSFULLY | | ATTEMPTED TO CONTACT CARLENE HOBBS VIA TELEPHONE. AS A RESULT, THIS OFFICE | | (BRIAN SMITH) SENT AN ELECTRONIC MAIL TO CARLENE HOBBS ON 02/04/98 | | REQUESTING HER TO CALL THE NRC OPERATIONS CENTER. THE OFFICE OF NUCLEAR | | MATERIALS SAFETY AND SAFEGUARDS ALSO REQUESTED THE NRC OPERATIONS CENTER TO | | CALL THE STATE OF FLORIDA. | | | | IN ADDITION TO THE AGENCIES REFERENCED ABOVE, THE NRC OPERATIONS CENTER | | NOTIFIED THE FOLLOWING FEDERAL AGENCIES VIA FACSIMILE: DEPARTMENT OF | | HEALTH AND HUMAN SERVICES, ENVIRONMENTAL PROTECTION AGENCY, DEPARTMENT OF | | TRANSPORTATION - NATIONAL RESPONSE CENTER. THE NAMES IN PARENTHESES | | INDICATE THE INDIVIDUALS WHO ACKNOWLEDGED RECEIPT OF THE FACSIMILE. (REFER | | TO THE HOO LOG FOR A CONTACT TELEPHONE NUMBER AND ADDRESS.) | | | | * * * UPDATE AT 1655 ON 02/04/98 FROM CHARLEY ADAMS RECEIVED BY TROCINE * * | | | | THE STATE OF FLORIDA BUREAU OF RADIATION CONTROL (CHARLEY ADAMS) CALLED THE | | NRC OPERATIONS CENTER WITH A FOLLOWUP REPORT. APPARENTLY, THE OBJECT WAS | | FOUND BY ELLEN MUELLER ON A VACANT PRIVATE LOT LOCATED AT STAFFORD AND OAK | | STREETS IN TARPON SPRINGS, FLORIDA. THE OBJECT CONTAINED 81.3 æCi OF | | Ra-226 (20,000 DPM ALPHA ON CUT OPEN LINE ONLY). IT WAS IMPOUNDED AND IS | | CURRENTLY BEING HELD FOR DISPOSAL. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE STATE OF | | FLORIDA BUREAU OF RADIATION CONTROL: | | | | "MS. MUELLER FOUND AN AREA OF ELEVATED RADIATION. THE INVESTIGATOR | | DISCOVERED A RADIOACTIVE OBJECT BURIED ABOUT ONE FOOT DEEP. THE OBJECT IS | | TWO PLASTIC SEALED TUBES BRAIDED INTO A NINE INCH LONG BY THREE-QUARTER | | INCH DIAMETER CYLINDER. THE ENDS OF THE TUBES HAVE AN EYELET ATTACHED, AND | | TWO OF THE EYELETS HAVE METAL CLIPS ATTACHED TO THEM. THE PURPOSE AND | | IDENTITY OF THIS OBJECT IS UNKNOWN. NO FURTHER ACTION WILL BE TAKEN ON | | THIS INCIDENT." | | | | "THE MANY ACRE PRIVATE LOT OF MR. LARRY TRAVIS, WHERE THE RADIOACTIVE ITEM | | WAS REMOVED ON JANUARY 23RD, WAS SURVEYED BY RAY DIELMAN, BOB KENCHT, AND | | CHARLEY ADAMS FOR ANY ADDITIONAL ITEMS. ONLY A RED RAT SNAKE WAS FOUND. | | EVERYTHING WAS BACKGROUND. THE ADJACENT MANY ACRE CITY LOT, WHERE A DUMP | | USED TO BE, WAS ALSO SURVEYED. A FEW NATURAL ROCKS AND A FEW PIECES OF | | CONCRETE WERE FOUND WHICH MEASURED 10-40 æR/HOUR ON CONTACT, BACKGROUND AT | | THREE FEET. THEY ARE NOT A HEALTH HAZARD. THAT WHOLE AREA WILL BE CAPPED | | BY SEVERAL INCHES OF CRUSHED LIMESTONE AND PAVED FOR A PARKING LOT. THERE | | WILL BE NO FURTHER ACTION TAKEN ON THIS INCIDENT BY THIS OFFICE." | | | | THE NRC OPERATIONS CENTER NOTIFIED THE R2DO (DECKER), NMSS EO (GREEVES), | | AEOD IRD (BARRETT), AND OPA (DRICKS). IN ADDITION, THE FEDERAL AGENCIES | | REFERENCED ABOVE WERE NOTIFIED VIA FACSIMILE. (REFER TO THE HOO LOG FOR | | CONTACT TELEPHONE NUMBERS.) | | | | * * * UPDATE 1106 2/5/98 FROM DECKER (R2) TAKEN BY STRANSKY * * * | | | | THE STATE OF FLORIDA HAS CONFIRMED THAT THE SOURCE RECOVERED IS THE SAME | | ONE REFERENCED BY MS. HOBBS. ADDITIONALLY, THE STATE REPORTED THAT THE DOSE | | RATE ON CONTACT WAS 7 mR/HR, NOT 7 R/HR AS REPORTED BY MS. HOBBS. NOTIFIED | | OTHER FEDERAL AGENCIES (BY FAX). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 33654 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: USAF RADIOISOTOPE COMMITTEE |NOTIFICATION DATE: 02/05/98 | | CITY: HILL AFB REGION: 4 |NOTIFICATION TIME: 07:24 [ET]| | COUNTY: DAVIS STATE: UT |EVENT DATE: 12/10/97 | |LICENSE#: 42-23539-01AF AGREEMENT: Y |EVENT TIME: 00:00[MST]| | DOCKET: |LAST UPDATE DATE: 02/05/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JEFF SHACKELFORD RDO | | |DON COOL EO | +------------------------------------------------+ | |NRC NOTIFIED BY: COLEMAN | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE RADIOISOTOPE COMMITTEE RECEIVED TWO REPORTS FROM HILL AFB REGARDING | | LOST SOURCE MATERIAL. | | | | (1) ON 12/10/97, A QUANTITY OF DEPLETED URANIUM WAS DESTROYED WHEN AN | | ADVANCED CRUISE MISSILE CRASHED DURING A TEST FLIGHT. | | | | (2) ON 1/8/98, TWO F-16 AIRCRAFT, EACH CARRYING A LANTIRN (LOW ALTITUDE | | NAVIGATION AND TRACKING - INFRARED NIGHT) POD WITH A 15mCi Am-241 SOURCE, | | COLLIDED IN MIDAIR. DUE TO WINTER WEATHER CONDITIONS, NO ATTEMPT TO RECOVER | | THE SOURCES HAS YET BEEN MADE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33655 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 02/05/98 | |UNIT: [1] [2] [ ] STATE: SC |NOTIFICATION TIME: 10:36 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/04/98 | +------------------------------------------------+EVENT TIME: 11:00[EST]| |NRC NOTIFIED BY: CHRISTOPHER ORR |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | 24-HOUR REPORT REQUIRED BY PLANT OPERATING LICENSE DUE TO INOPERABLE FIRE | | DETECTION EQUIPMENT | | | | DURING TROUBLESHOOTING OF THE FIRE DETECTION SYSTEM, THE LICENSEE | | DISCOVERED THAT ONE SERIES OF ALARMS WAS NOT FUNCTIONING PROPERLY. ALARMS | | FROM THE AFFECTED DETECTORS WOULD NOT HAVE BEEN RECEIVED IN THE MAIN | | CONTROL ROOM. THE AFFECTED DETECTORS WERE DECLARED INOPERABLE AND FIRE | | WATCHES WERE ESTABLISHED FOR THE AFFECTED ZONES PER THE FIRE PROTECTION | | PROGRAM. A TOTAL OF 36 ZONES WERE AFFECTED. DURING A REVIEW OF HISTORICAL | | DATA, THE LICENSEE DETERMINED THAT THESE ALARMS HAD NOT BEEN FUNCTIONING | | PROPERLY SINCE 1/21/98. THIS REVIEW ALSO IDENTIFIED SOME ADDITIONAL | | INSTANCES OF MALFUNCTIONING ALARMS. | | | | THE PANEL HAS BEEN REPAIRED, AND THE LICENSEE HAS CONFIRMED THAT ALL ZONES | | ARE BEING MONITORED PROPERLY. FURTHER REVIEWS ARE UNDERWAY TO IDENTIFY THE | | EXTENT OF THE MALFUNCTION AND TO DETERMINE THE REASON THAT THIS MALFUNCTION | | WAS NOT ALARMED IN THE CONTROL ROOM. THE LICENSEE STATED THAT THIS EVENT IS | | REPORTABLE TO THE NRC WITHIN 24 HOURS IN ACCORDANCE WITH LICENSE CONDITION | | 2.F. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33656 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/05/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 12:53 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/05/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 09:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/05/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |BRENT CLAYTON RDO | | DOCKET: 0707002 |DON COOL EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: KURT SISLER | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FOUR HOUR BULLETIN 91-01 REPORT - NCSA CALCULATIONAL ERROR | | | | "ON FEBRUARY 5, 1998 AT 0900 HOURS, IT WAS DISCOVERED THAT A DEFICIENT | | NUCLEAR CRITICALITY SAFETY APPROVAL (NCSA) EXISTED FOR A COMPLETED | | OPERATION. THIS DEFICIENCY WAS IDENTIFIED DURING REVIEW IAW THE MASTER | | NCSA CORRECTION ACTION PLAN. THE CONTINGENCY ANALYSIS FOR INTERACTION WAS | | INCOMPLETE FOR NCSA-PLANT073.A01. THIS NCSA IS SPECIFIC FOR THE REMOVAL OF | | TWO (2) PLANNED EXPEDITIOUS HANDLING (PEH) COMPRESSORS, 29-4-1 STAGE 4 AND | | 29-5-8 STAGE 8. 29-4-1 STAGE 4 COMPRESSOR WAS REMOVED 9/10/97 AND | | DECONTAMINATED BELOW PEH LEVEL 9/11/97. 29-5-8 STAGE 8 COMPRESSOR WAS | | REMOVED 9/17/97 AND DECONTAMINATED BELOW PEH LEVEL 9/18/97. THIS NCSA | | EXPIRED UPON THE COMPLETION OF 29-4-1 STAGE 4 AND 29-5-8 STAGE COMPRESSOR | | REMOVAL AND DECONTAMINATION BELOW PEH LEVELS. THERE WAS NO LOSS OF | | HAZARDOUS/RADIOLOGICAL MATERIAL OR RADIOACTIVE/RADIOLOGICAL CONTAMINATION | | EXPOSURE AS A RESULT OF THIS EVENT." | | | | THE SPECIFIC CONCERN OF THIS EVENT WAS THE INTERACTION OF COMPONENTS WITH | | GREATER THAN A SAFE MASS NOT BEING THOROUGHLY EVALUATED. DURING THE | | REMOVAL OF EQUIPMENT, INTERACTION COULD HAVE OCCURRED WITH RESULTS OUTSIDE | | THE EVALUATION. THE ANALYSIS OF THE INTERACTION CONTROL WAS NOT SUPPORTED | | BY KENO CALCULATIONS. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND THE SITE DOE | | REPRESENTATIVE. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33657 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 02/05/98 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 13:59 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 02/05/98 | +------------------------------------------------+EVENT TIME: 13:00[EST]| |NRC NOTIFIED BY: STEVE FULLER |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO 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 +------------------------------------------------------------------------------+ | TRANSVERSE INCORE PROBE (TIP) SHEAR VALVE POWER SUPPLY NOT SAFETY RELATED | | | | THE POWER SUPPLY TO THE TRANSVERSE INCORE PROBE SHEAR VALVES, WHICH ARE | | CONSIDERED CONTAINMENT ISOLATION VALVES, DOES NOT MEET NUCLEAR SAFETY | | RELATED REQUIREMENTS. THE TIPs HAVE BEEN OPERATED IN THE PAST WITHOUT | | CORRECTIVE ACTION OR COMPENSATORY MEASURES BEING TAKEN. THE TIP TUBE | | ISOLATION VALVES (BALL VALVES) ARE CURRENTLY TAGGED IN THE CLOSED POSITION. | | THIS CONFIGURATION PROVIDES THE REQUIRED CONTAINMENT ISOLATION BOUNDARY. | | | | THE TIPS WILL NOT BE REQUIRED FOR THEIR NEXT CALIBRATION RUN FOR AT LEAST | | ONE MONTH. THIS CONDITION HAS EXISTED SINCE INITIAL CONSTRUCTION. THE | | LICENSEE IS EXAMINING THE POSSIBILITY OF OPERATING THE TIPS WITH SOME | | COMPENSATORY MEASURE(S) OR ACTUALLY QUALIFYING THE POWER SUPPLY AS SAFETY | | RELATED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33658 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PILGRIM REGION: 1 |NOTIFICATION DATE: 02/05/98 | |UNIT: [1] [ ] [ ] STATE: MA |NOTIFICATION TIME: 16:01 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 02/05/98 | +------------------------------------------------+EVENT TIME: 15:10[EST]| |NRC NOTIFIED BY: DOUG PERRY |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO 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 +------------------------------------------------------------------------------+ | EMERGENCY DIESEL ROOM TEMPERATURE BELOW DESIGN LIMIT | | | | THE ALPHA EMERGENCY DIESEL ROOM TEMPERATURE IS 3 DEGREES BELOW ITS DESIGN | | LIMIT OF 60 øF. THE CAUSE OF THE LOW TEMPERATURE IS HIGH WINDS FORCING | | OUTSIDE AIR IN THROUGH THE CLOSED DIESEL ROOM DAMPERS. THE LICENSEE'S | | ENGINEERING DEPARTMENT HAS EVALUATED THAT THE ALPHA EDG REMAINS OPERABLE | | DOWN TO A ROOM TEMPERATURE OF AT LEAST 50 øF. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 33659 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: NUCOR CORPORATION |NOTIFICATION DATE: 02/05/98 | | CITY: NORFOLK REGION: 4 |NOTIFICATION TIME: 16:17 [ET]| | COUNTY: STATE: NE |EVENT DATE: 02/05/98 | |LICENSE#: 07-04-01 AGREEMENT: Y |EVENT TIME: 04:00[CST]| | DOCKET: |LAST UPDATE DATE: 02/05/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JEFF SHACKELFORD RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: BRIAN HEARTY | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NAGR AGREEMENT STATE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AGREEMENT STATE REPORT - NEBRASKA | | | | THIS EVENT WAS REPORTED TO THE OPERATIONS CENTER BY FACSIMILE. | | | | "LICENSEE USING BERTHOLD MODEL LB300ML LEVEL GAUGES DISCOVERED THAT THE | | SHIELD HOUSING BOLTED ONTO ONE GAUGE HAD DROPPED SEVERAL INCHES BETWEEN | | MIDNIGHT AND 4 AM ON FEBRUARY 5, 1998. THE LICENSEE HALTED WORK IN THE | | AREA. THE LICENSEE USED A æR METER TO MAKE MEASUREMENTS IN THE AREA AND | | DETERMINED THAT THE SOURCE HAD NOT BECOME EXPOSED. THE LICENSEE MOVED THE | | SHIELD HOUSING BACK INTO PLACE AND BRACED IT SO IT WOULD NOT FALL AGAIN. | | THE LICENSEE CONTACTED THE MANUFACTURER'S REPRESENTATIVE AND THE STATE | | RADIATION CONTROL AGENCY. AN ONSITE INVESTIGATION WILL BE PERFORMED AND A | | FOLLOW-UP REPORT PROVIDED." | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 33660 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: POWER RESOURCES |NOTIFICATION DATE: 02/05/98 | | CITY: REGION: 4 |NOTIFICATION TIME: 16:22 [ET]| | COUNTY: CONVERSE STATE: WY |EVENT DATE: 02/05/98 | |LICENSE#: SUA-1511 AGREEMENT: N |EVENT TIME: 12:00[MST]| | DOCKET: |LAST UPDATE DATE: 02/05/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JEFF SHACKELFORD RDO | | |DON COOL EO | +------------------------------------------------+ | |NRC NOTIFIED BY: BILL KEARNEY | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | URANIUM MINE MONITORING WELL IN EXCURSION STATUS | | | | WELL M-43 IN THE BRAVO WELL FIELD ENTERED EXCURSION STATUS TODAY. | | THE SPECIFIC RESULTS ARE: | | | | CHLORIDES 117 MG/L | | BICARBONATES 371 MG/L | | CONDUCTIVITY 1148 æMHO/CM | | URANIUM 0.2 MG/L | | | | THE EXCURSION WAS CAUSED BY GROUND WATER RESTORATION ACTIVITIES. THE | | LICENSEE WILL FOLLOW UP THIS NOTIFICATION WITH A WRITTEN REPORT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33661 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/05/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 16:41 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/04/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 17:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/05/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |BRENT CLAYTON RDO | | DOCKET: 0707002 |DON COOL EO | +------------------------------------------------+STU RUBIN IRD | |NRC NOTIFIED BY: STEVE MAY | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BULLETIN 91-01 24 HOUR REPORT | | | | "AT 1700 HOURS, 2.4.98, OPERATIONS PERSONNEL DISCOVERED A NUCLEAR | | CRITICALITY SAFETY APPROVAL (NCSA) NON-COMPLIANCE. A PLANNED EXPEDITIOUS | | HANDLING (PEH) DISCHARGE COOLER IN THE X-330 BUILDING, 29AB3, WAS | | DISCOVERED AT A DOUBLE PG NEGATIVE. THIS CONSTITUTES A LOSS OF ONE CONTROL | | AS DEFINED IN NCSA-PLANT-0330-004.A02 CONTINGENCY EVENT A/B 6.A.3, CONTROL | | A, REQUIREMENT # 8 WHICH REQUIRES CASCADE EQUIPMENT THAT IS SHUTDOWN AND AT | | A UF6 NEGATIVE TO HAVE A PLANT AIR OR NITROGEN BUFFER > 14 PSIA. THE LOSS | | OF CONTROL WAS CORRECTED AT 1815 HOURS PER THE TECHNICAL SAFETY | | REQUIREMENTS (TSR). THE CASCADE PASSIVE DESIGN FEATURE PROVIDES SINGLE | | BARRIER PROTECTION FROM POTENTIAL MODERATORS. THERE WAS NO LOSS OF | | HAZARDOUS/RAD MATERIAL OR RAD CONTAMINATION/EXPOSURE AS A RESULT OF THIS | | EVENT." | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND THE SITE DOE | | REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33662 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 02/05/98 | |UNIT: [1] [2] [ ] STATE: SC |NOTIFICATION TIME: 16:46 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/05/98 | +------------------------------------------------+EVENT TIME: 00:05[EST]| |NRC NOTIFIED BY: CHRIS ORR |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | CONTROL ROOM VENTILATION SYSTEM INOPERABLE FOR FIVE MINUTES | | | | "ON 2/4/98, MAINTENANCE WAS PERFORMED ON THE "B" TRAIN CONTROL ROOM | | VENTILATION SYSTEM. THE "A" TRAIN CONTROL ROOM VENTILATION SYSTEM WAS | | OPERABLE AND IN OPERATION. ON 2/5/98, WHEN THE "B" TRAIN DAMPERS WERE | | REOPENED DURING RESTORATION OF THE "B" TRAIN EQUIPMENT TO SERVICE, THE | | CONTROL ROOM OPERATORS NOTICED A CHANGE IN THE NOISE AND TEMPERATURE, AND | | INSTRUCTED THE NON-LICENSED OPERATOR TO RE-CLOSE THE DAMPERS. | | | | "DURING SUBSEQUENT INVESTIGATION, IT WAS IDENTIFIED THAT, AT THE CONCLUSION | | OF THE MAINTENANCE ACTIVITY, AN ACCESS PANEL TO THE "B" TRAIN AIR HANDLING | | UNIT WAS LEFT UNLATCHED, WHICH CREATED AN OPENING IN THE CONTROL ROOM | | VENTILATION PRESSURE BOUNDARY. AS A RESULT, WHEN THE DAMPERS WERE REOPENED | | TO RESTORE THE "B" TRAIN EQUIPMENT TO SERVICE, FLOW FROM THE "A" TRAIN | | CONTROL ROOM VENTILATION SYSTEM WAS DIVERTED THROUGH THE CONTROL ROOM AND | | THE "B" TRAIN DUCT WORK TO THE AUXILIARY BUILDING. THIS CAUSED BOTH TRAINS | | OF THE CONTROL ROOM VENTILATION SYSTEM TO BE INOPERABLE DUE TO THE | | INABILITY TO PRESSURIZE THE CONTROL ROOM, AND CAUSED THE PLANT TO ENTER | | TECH SPEC 3.0.3. | | | | "THE ACCESS PANEL WAS SUBSEQUENTLY CLOSED, AND THE SYSTEM RESTORED TO | | SERVICE. BOTH TRAINS OF THE CONTROL ROOM VENTILATION SYSTEM WERE | | INOPERABLE FOR APPROXIMATELY 5 MINUTES." | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AS WELL AS STATE AND LOCAL | | OFFICIALS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33663 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 02/05/98 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 17:40 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 02/05/98 | +------------------------------------------------+EVENT TIME: 17:23[EST]| |NRC NOTIFIED BY: WILL HOFFNER |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFEGUARDS VULNERABILITY DISCOVERED | | | | THE LICENSEE DISCOVERED A VULNERABILITY IN THEIR SAFEGUARDS SYSTEM FOR | | UNITS 2 & 3 WHICH COULD HAVE ALLOWED UNAUTHORIZED OR UNDETECTED ACCESS INTO | | VITAL AREAS. COMPENSATORY MEASURES HAVE BEEN IMPLEMENTED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND THE STATE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33664 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/05/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 18:51 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/05/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:30[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/05/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |BRENT CLAYTON RDO | | DOCKET: 0707002 |JOHN GREEVES EO | +------------------------------------------------+ | |NRC NOTIFIED BY: RICK LARSON | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BULLETIN 91-01 24 HOUR REPORT | | | | "DURING SELF ASSESSMENT OF NCSAs INVOLVING THE LAW STATION TWO SEPARATE | | DEFICIENCIES DEALING WITH LOSS OF CONTROL FOR DRY ACTIVE WASTE (DAW) WERE | | DISCOVERED. THE FIRST ISSUE WAS TWO BUCKETS WITH ORANGE BAGS IN THEM THAT | | WERE USED TO COLLECT DAW DID NOT HAVE LIDS FOR THESE CONTAINERS. THIS WAS | | A LOSS OF ONE CONTROL (MODERATION), THE SECOND CONTROL (MASS) WAS | | MAINTAINED. THE SECOND ISSUE WAS THE LOCATION OF THESE CONTAINERS. THIS | | WAS A LOSS OF ONE CONTROL (SPACING) LESS THAN TWO FEET FROM OTHER URANIUM | | BEARING MATERIAL. THE SECOND CONTROL (MASS) WAS MAINTAINED THROUGHOUT. | | APPROXIMATELY, FORTY FIVE MINUTES AFTER DISCOVERY BOTH ISSUES WERE | | CORRECTED BY OPERATIONS PERSONNEL AFTER CONFERRING WITH NCS PERSONNEL." | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND THE DOE SITE | | REPRESENTATIVE. | | | | | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33665 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 02/05/98 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 20:46 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 02/05/98 | +------------------------------------------------+EVENT TIME: 13:59[PST]| |NRC NOTIFIED BY: JUSTIN MCBRIDE |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JEFF SHACKELFORD 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ESF ACTUATION - HISTORICAL REPORT OF TWO RCIC ISOLATIONS | | | | "THIS IS A LATE REPORT OF TWO ESF ACTUATIONS OF THE REACTOR CORE ISOLATION | | COOLING INBOARD CONTAINMENT ISOLATION VALVE, RCIC V-63, DURING SURVEILLANCE | | TESTING IN JANUARY AND FEBRUARY 1997. THESE PAST ESF ACTUATIONS WERE | | DISCOVERED DURING A HISTORICAL REVIEW OF PAST PROBLEM EVALUATION REQUESTS | | (PER). | | | | "ON 1/16/97, DURING PERFORMANCE OF THE SURVEILLANCE CALIBRATION PROCEDURE | | FOR RCIC ISOLATION ON STEAM SUPPLY FLOW HIGH, AN UNEXPECTED ISOLATION | | OCCURRED OF THE INBOARD ISOLATION VALVE WHEN THE TECHNICIAN WAS ISOLATING | | THE PRESSURE SWITCH'S HIGH SIDE INSTRUMENT ISOLATION VALVE. ALTHOUGH AN | | ISOLATION IS EXPECTED DURING PERFORMANCE OF THE SURVEILLANCE, THE ISOLATION | | OCCURRED PREMATURELY IN THE PROCEDURE. A SECOND IDENTICAL EVENT OCCURRED | | ON 2/28/97. FOLLOWING EACH ISOLATION, A PER WAS WRITTEN. | | | | "AT THE TIME, THE EVENTS WERE JUDGED TO BE NON-REPORTABLE. EVENT REVIEW | | PROCESSES FAILED TO CORRECT THAT DETERMINATION." | | | | THE EQUIPMENT PROBLEMS WHICH CAUSED THESE TWO ACTUATIONS HAVE BEEN | | CORRECTED AND THIS PROBLEM HAS NOT RECURRED SINCE. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33666 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 02/05/98 | |UNIT: [ ] [2] [ ] STATE: NJ |NOTIFICATION TIME: 20:53 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/29/98 | +------------------------------------------------+EVENT TIME: 15:30[EST]| |NRC NOTIFIED BY: STEVE SAUER |LAST UPDATE DATE: 02/05/98 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | INFORMATION CALL - RCS LOOP OTdT CHANNEL POTENTIALLY INOPERABLE | | | | ON 1/29/98, DURING A CHANNEL CALIBRATION OF THE 23 RCS LOOP OTdT, THERE WAS | | A LEAD/LAG SWITCH ON THE MODULE FOUND IN A POSITION OTHER THAN THAT | | PRESCRIBED IN THE CHANNEL CALIBRATION PROCEDURE. THE EFFECT OF THE SWITCH | | NOT BEING IN THE CORRECT POSITION WAS THAT IT DEGRADED THE AVERAGE | | TEMPERATURE PENALTY INTO THE OTdT SETPOINT BY REMOVING THE ANTICIPATORY | | CHARACTERISTICS OF THE CIRCUIT. THE CIRCUIT WOULD STILL HAVE GENERATED A | | TRIP SIGNAL EVEN THOUGH THE SWITCH WAS IN AN OFF NORMAL POSITION. | | PRESENTLY, THE EFFECTS OF THE OFF NORMAL POSITION ARE UNDER ENGINEERING | | REVIEW TO FULLY DETERMINE THE IMPACT ON THE PROTECTION SYSTEM. IT HAS NOT | | YET BEEN DETERMINED HOW OR WHEN THE SWITCH WAS MANIPULATED. THIS IS UNDER | | INVESTIGATION BY THE MAINTENANCE DEPARTMENT. SWITCHES IN THE REMAINING | | THREE LOOPS WERE CHECKED AND FOUND TO PROPERLY ALIGNED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND LAC TOWNSHIP. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33667 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 02/06/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 04:06 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 02/06/98 | +------------------------------------------------+EVENT TIME: 00:17[EST]| |NRC NOTIFIED BY: PATON |LAST UPDATE DATE: 02/06/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LOSS OF SHUTDOWN COOLING AND SUBSEQUENT MODE CHANGE | | | | AT 0017, WHILE PREPARING TO PLACE THE REACTOR WATER CLEANUP (RWCU) SYSTEM | | IN SERVICE, A FUSE BLEW DURING THE INSTALLATION OF A JUMPER, CAUSING AN | | ISOLATION OF THE OPERATING '1B' RHR SHUTDOWN COOLING LOOP. THE UNIT WAS IN | | COLD SHUTDOWN AT THE TIME OF THE EVENT, WITH A REACTOR COOLANT SYSTEM | | TEMPERATURE OF 191øF. RCS TEMPERATURE SUBSEQUENTLY BEGAN TO INCREASE, AND | | REACHED 200øF (THRESHOLD FOR HOT SHUTDOWN) AT 0058. THE SHIFT SUPERVISOR | | HAD ANTICIPATED A MODE CHANGE, AND HAD VERIFIED COMPLIANCE WITH TECHNICAL | | SPECIFICATION REQUIREMENTS FOR ENTRY INTO HOT SHUTDOWN. | | | | THE '1B' SHUTDOWN COOLING LOOP WAS RETURNED TO SERVICE AT 0112, AND THE | | UNIT REENTERED COLD SHUTDOWN AT 0121. THE LICENSEE REPORTED THAT OTHER | | ISOLATIONS THAT HAD OCCURRED DUE TO THE BLOWN FUSE WERE RESET BY 0145. THE | | NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+