U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/18/98 - 05/19/98 ** EVENT NUMBERS ** 34203 34217 34250 34253 34254 34255 34256 34257 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34203 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 05/11/98 | |UNIT: [ ] [2] [ ] STATE: NY |NOTIFICATION TIME: 07:13 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 05/11/98 | +------------------------------------------------+EVENT TIME: 05:30[EDT]| |NRC NOTIFIED BY: DONALD NEWMAN |LAST UPDATE DATE: 05/18/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK MCFADDEN 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SLIP JOINT ON JET PUMP OUT OF JOINT BY 1/4 INCH. | | | | DURING DRAIN DOWN OF THE 'A' REACTOR RECIRCULATION LOOP FOR MAINTENANCE, | | BUBBLES WERE NOTED COMING FROM THE REACTOR ANNULUS AT 90ø AZIMUTH. A | | CAMERA WAS LOWERED, AND THE SLIP JOINT ON THE 5-6 JET PUMP RISER IS OUT OF | | THE JOINT ABOUT 1/4 INCH. AIR IS BLEEDING OUT OF THE SLIP JOINT. THERE IS | | AN INVESTIGATION CURRENTLY IN PROGRESS TO DETERMINE THE CAUSE AND DEVELOP A | | REPAIR PLAN. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE 1630 5/18/98 FROM PITTS TAKEN BY STRANSKY * * * | | | | THE LICENSEE HAS COMPLETED INSPECTIONS OF ALL JET PUMP AND DISCOVERED | | LEAKAGE ON TWO ADDITIONAL JET PUMP SLIP JOINTS (#12 AND #19). AN EVALUATION | | OF THE EFFECTS OF THE LEAKAGE IS IN PROGRESS. THE NRC RESIDENT INSPECTOR | | WILL BE INFORMED. NOTIFIED R1DO (WHITE). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34217 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 05/12/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 21:52 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 05/12/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 17:54[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 05/18/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |JAMES CREED RDO | | DOCKET: 0707002 |JOHN GREEVES EO | +------------------------------------------------+FRANK CONGEL IRD | |NRC NOTIFIED BY: VANDERPOOL | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 24-HOUR 91-01 BULLETIN RESPONSE | | | | OPERATIONS PERSONNEL IDENTIFIED A NUCLEAR CRITICALITY SAFETY APPROVAL | | (NCSA) WHICH WAS NOT BEING MAINTAINED WITHIN THE "X-330" PROCESS BUILDING. | | | | A [WEEKLY SAMPLING] SURVEILLANCE FOR CELLS 29-5-2 AND 29-5-8 INDICATED THAT | | [THESE] CELLS, WHICH SHOULD HAVE BEEN IN A FLUORINATING ENVIRONMENT, | | EXHIBITED CONFLICTING RESULTS FROM ADJACENT [SAMPLED] STAGES SUCH THAT THE | | FLUORINATING ENVIRONMENT COULD NOT BE CONFIRMED. WITHOUT A FLUORINATING | | ENVIRONMENT, THE CELLS ARE AT A UF6 NEGATIVE. THESE CELLS HAVE BEEN | | CLASSIFIED AS PEH (PLANNED EXPEDITIOUS HANDLING) INDICATING MORE THAN A | | SAFE MASS OF FISSIONABLE MATERIAL WAS INVOLVED. NCSA-0330-004.A02, | | REQUIREMENT #8 STATES IN PART, "ANY CASCADE EQUIPMENT SHUTDOWN(MOTORS OFF) | | AND AT A UF6 NEGATIVE SHALL HAVE A PLANT DRY AIR OR NITROGEN BUFFER | | ESTABLISHED ò14 PSIA. THE NCSA FURTHER STATES THAT WHEN A PEH DEPOSIT | | EXISTS, THE SYSTEM DOES NOT MEET THE DOUBLE CONTINGENCY PRINCIPLE. | | OPERATIONS PRESSURED THE CELLS TO >14 PSIA WITHIN 8 HOURS WHICH IS A TSR | | REQUIREMENT. NCSA CONTROL WAS ESTABLISHED AT 1900 HRS FOR 29-5-8 AND 2100 | | HRS FOR 29-5-2. NCSA CONTROL FOR BOTH CELLS WAS ESTABLISHED WITHIN THE | | 4-HOUR RECOVERY TIME FRAME. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED AND THE DOE RESIDENT WILL BE | | INFORMED. | | | | ***UPDATE ON 05/13/98 AT 1440 ET BY RICK LARSON TAKEN BY MACKINNON*** | | | | PORTSMOUTH IS CHANGING THIS REPORT FROM A 4-HOUR NRC BULLETIN 91-01 TO A | | 24-HOUR NRC BULLETIN 91-01 REPORT. ALSO SOME WORDING WAS CHANGED IN THE | | ABOVE TEXT - NOTED BY []. R3DO (JIM CREED) AND EO (LARRY CAMPER) WERE | | NOTIFIED. | | | | THE NRC RESIDENT INSPECTOR AND THE ONSITE DEPARTMENT OF ENERGY | | REPRESENTATIVE WERE NOTIFIED OF THIS EVENT UPDATE. | | | | * * * RETRACTION 2223 5/18/1998 FROM MAY TAKEN BY STRANSKY * * * | | | | AT 2000 ON 5/18/98, THE SHIFT SUPERINTENDENT DOWNGRADED THE ABOVE EVENT. | | LAB ANALYSIS DETERMINED THAT THE FLUORINATING ENVIRONMENT ON PEH CELLS | | 29-5-2 AND 29-5-8 WERE NOT LOST AND NCSA REQUIREMENTS WERE MAINTAINED. THE | | NRC RESIDENT INSPECTOR WILL BE INFORMED. NOTIFIED R3DO (PHILLIPS). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34250 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 05/16/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 13:54 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 05/15/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:00[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 05/18/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |JAMES CREED RDO | | DOCKET: 0707002 |JOHN GREEVES, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: STEVE MAY | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CRITICALITY CONTROL - NRC BULLETIN 91-01 RESPONSE (24-HOUR REPORT) | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM PORTSMOUTH: | | | | "ON MAY 15, 1998, AT 1400 HOURS, OPERATIONS PERSONNEL DISCOVERED THAT A | | NUCLEAR CRITICALITY SAFETY APPROVAL (NCSA) REQUIREMENT WAS NOT BEING | | MAINTAINED WITHIN THE X-330 PROCESS BUILDING. SAMPLE RESULTS FOR CELL | | 29-4-4 INDICATED THAT THE CELL WAS NOT IN A FLUORINATING ENVIRONMENT. | | WITHOUT A FLUORINATING ENVIRONMENT, THE CELL IS AT A UF6 NEGATIVE. THIS | | CELL HAD PREVIOUSLY BEEN CLASSIFIED AS PLANNED EXPEDITIOUS HANDLING (PEH) | | INDICATING [THAT] MORE THAN A SAFE MASS OF FISSIONABLE MATERIAL WAS | | INVOLVED. NCSA-330-004.A02, REQUIREMENT #8, STATES IN PART, 'ANY CASCADE | | EQUIPMENT SHUT DOWN (MOTOR TURNED OFF) AND AT A UF6 NEGATIVE SHALL HAVE A | | PLANT DRY AIR OR [NITROGEN] BUFFER AT 14 PSIA OR GREATER.' THE NCSA | | FURTHER STATES THAT WHEN A 'PEH' DEPOSIT EXISTS, THE SYSTEM DOES NOT MEET | | THE DOUBLE CONTINGENCY PRINCIPLE. OPERATIONS [PERSONNEL] PRESSURED THE | | CELL TO GREATER THAN 14 PSIA WITHIN 8 HOURS, WHICH IS A [TECHNICAL | | SPECIFICATION] REQUIREMENT (TSR)." THE TSR ALLOWS 8 HOURS TO CORRECT THIS | | SITUATION, BUT THE NCSA DOES NOT. THE NCSA CONSIDERS THIS TO BE A LOSS OF | | CONTROL REGARDLESS OF THE AMOUNT OF TIME INVOLVED. UNTIL THE NCSA IS | | CORRECTED, THIS IS BELIEVED TO BE A VERBATIM COMPLIANCE ISSUE. | | | | "THERE WAS NO RELEASE OF HAZARDOUS/RADIOACTIVE MATERIAL[, AND THERE WERE | | NO] RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURE[S] AS A RESULT OF THIS | | EVENT." | | | | "SAFETY SIGNIFICANCE OF EVENTS: A CASCADE COMPONENT WITH GREATER THAN A | | SAFE MASS DEPOSIT IS REQUIRED BY THE CASCADE NCSA TO BE FILLED WITH DRY AIR | | OR NITROGEN [GREATER THAN] 14 PSIA WHEN THE CELL IS AT A UF6 NEGATIVE [LESS | | THAN] 10 PPM UF6 AT 2 PSIA) FOR MODERATION CONTROL. THE 29-4-4 CELL, WHICH | | HAS A PEH DEPOSIT IN ITS STAGES 6 AND 7, WAS NOT BUFFERED AS REQUIRED BY | | THE NCSA. THE CELL CONTAINS A PEH DEPOSIT OF UP TO 2,110 GRAMS U-235 AT AN | | ENRICHMENT OF 5.0%. THE SAFE MASS FOR A DEPOSIT OF UO2F2 AT 5.0% IS 800 | | GRAMS U-235. THERE IS NO IMMEDIATE SAFETY CONCERN WITH THE CELL BECAUSE | | THE CELL [IS] CURRENTLY IN COMPLIANCE WITH THE TSR AND NCSA. THE SAFETY | | SIGNIFICANCE OF THIS ISSUE IS MODERATE." | | | | "POTENTIAL CRITICALITY PATHWAYS INVOLVED OF HOW CRITICALITY COULD OCCUR: | | SIGNIFICANTLY MORE MOISTURE THAN THAT AVAILABLE FROM AMBIENT ATMOSPHERE IN | | THE CASCADE BUILDING WOULD HAVE TO ENTER THE DEPOSIT WITH GREATER THAN A | | SAFE MASS OF MODERATE THE DEPOSIT TO HAVE A CHANCE AT A CRITICALITY. | | ALTHOUGH MODERATION WAS THE ONLY CONTROLLED PARAMETER, THE RIGHT GEOMETRY | | AND REFLECTION CONDITIONS WOULD ALSO HAVE TO BE PRESENT BEFORE CRITICALITY | | WOULD BE POSSIBLE." | | | | "CONTROLLED PARAMETERS: MODERATION IS THE SINGLE CONTINGENCY CONTROL." | | | | ESTIMATED AMOUNT, ENRICHMENT, [AND] FORM OF LICENSED MATERIAL: [THE] | | ENRICHMENT IS 5.0%. [THE] MASS IS 2,110 GRAMS OF U-235. [THE] FORM IS | | EXPECTED TO BE UO2F2." | | | | "NUCLEAR CRITICALITY SAFETY CONTROL(S) OR CONTROL SYSTEM(S) AND DESCRIPTION | | OF FAILURES OR DEFICIENCIES: MODERATION CONTROL WAS MAINTAINED BY APPLYING | | DRY AIR AT [GREATER THAN] 14 PSIA." | | | | "CORRECTIVE ACTIONS: THE CELL WAS BUFFERED TO [GREATER THAN 14 PSIA WITHIN | | 8 HOURS (AS REQUIRED BY THE TSR). [THE] ACTUAL TIME [IT WAS] BUFFERED TO | | [GREATER THAN] 14 PSIA [WAS] 1758 HOURS." | | | | PORTSMOUTH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR AND THE DEPARTMENT | | OF ENERGY SITE REPRESENTATIVE. | | | | * * * RETRACTION 2223 5/18/1998 FROM MAY TAKEN BY STRANSKY * * * | | | | AT 2030 ON 5/18/98, THE SHIFT SUPERINTENDENT DOWNGRADED THE ABOVE EVENT. | | LAB ANALYSIS DETERMINED THAT THE FLUORINATING ENVIRONMENT ON PEH CELL | | 29-4-4 WAS NOT LOST AND NCSA REQUIREMENTS WERE MAINTAINED. THE NRC RESIDENT | | INSPECTOR WILL BE INFORMED. NOTIFIED R3DO (PHILLIPS). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34253 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 05/18/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 01:24 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/17/98 | +------------------------------------------------+EVENT TIME: 11:30[CDT]| |NRC NOTIFIED BY: LANE OBEREMBT |LAST UPDATE DATE: 05/18/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM CREED RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | |JOHN DAVIDSON, IAT NMSS | | |GENE MCPEEK, IAT NRR | | |JACK GROBE REG3 | | |FRANK CONGEL, IRD AEOD | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 DECOMMISSIONED | 0 DECOMMISSIONED | | 2 | N N 0 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SUSPECTED INTRUSION IN OWNER CONTROLLED AREA. SECURITY OFFICER WOUNDED IN | | LEFT FOOT. SECURITY OFFICER TAKEN TO LOCAL HOSPITAL. IMMEDIATE COMPENSATORY | | MEASURES TAKEN UPON DISCOVERY. ZION POLICE DEPARTMENT IS ONSITE | | INVESTIGATING THE INCIDENT. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | SEE HOO LOG BOOK FOR FURTHER INFORMATION. | | | | ***UPDATE AT 1105 ET ON 05/18/98 BY D. GIERNOTH TAKEN BY MACKINNON*** | | | | UPON INVESTIGATION THE SECURITY OFFICER RECANTED HIS STORY AND ADMITTED TO | | A SELF INFLICTED WOUND. THE SECURITY GUARD'S ACCESS HAS BEEN REVOKED. | | INVESTIGATION BY COMED CORP. SECURITY AND THE ZION POLICE DEPARTMENT IS | | STILL IN PROGRESS. R3DO (MONTE PHILLIPS), NMSS IAT (JOHN DAVIDSON), NRR IAT | | (GENE MCPEEK), AND IRD (FRANK CONGEL) WERE NOTIFIED. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS UPDATE BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34254 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HADDAM NECK REGION: 1 |NOTIFICATION DATE: 05/18/98 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 13:41 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 05/18/98 | +------------------------------------------------+EVENT TIME: 13:15[EDT]| |NRC NOTIFIED BY: BILL McMAHON |LAST UPDATE DATE: 05/18/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE 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 N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | STACK WIDE RANGE GASEOUS AND PARTICULATE MONITOR IS OUTSIDE OF DESIGN BASIS | | | | THE LICENSEE HAS DETERMINED THAT THE STACK WIDE RANGE GASEOUS AND | | PARTICULATE MONITOR (RMS-14B) IS OUTSIDE OF ITS DESIGN BASIS DUE TO | | EXCESSIVE LINE LOSSES IN THE SAMPLE LINE. THE LICENSEE ESTIMATES THAT THE | | MONITOR MAY UNDERESTIMATE GASEOUS AND PARTICULATE ACTIVITY BY UP TO 14%. | | | | THE LICENSEE REPORTED THAT THE DESIGN CRITERIA FOR THE RMS-14B MONITOR | | INCLUDED ISOKINETIC SAMPLING, INCORPORATION OF ANSI N13.1-1969 | | RECOMMENDATIONS, AND A SAMPLING LINE AS SHORT AS POSSIBLE. IN 1983, AN NRC | | INSPECTION CONCLUDED THAT THE SAMPLING LINE LENGTH WAS TOO LONG (250 FT) TO | | ASSURE A REPRESENTATIVE FLOW SAMPLE OF RADIOIODINE AND PARTICULATES; | | HOWEVER, THE LICENSEE DISPUTED THIS FINDING IN 1984. | | | | HOWEVER, BOTH THE NRC AND THE LICENSEE FAILED TO NOTICE DISCREPANCIES IN | | THE REPORT USED BY THE LICENSEE TO SUPPORT THE DESIGN OF THE MONITOR WITH | | RESPECT TO SAMPLING LINE LENGTH AND DIAMETER. THESE DISCREPANCIES CAUSE THE | | ESTIMATES OF LINE LOSSES TO BE INCORRECT IN A NONCONSERVATIVE MANNER. | | FURTHER, THOUGH SEVERAL SURVEILLANCE AND CHEMISTRY DEPARTMENT PROCEDURES | | FROM 1986 TO PRESENT HAVE OBSERVED THE NEED TO CORRECT FOR LINE LOSSES, | | SUCH CORRECTIONS WERE APPARENTLY NOT MADE AT ALL OR MADE USING IMPROPER | | ASSUMPTIONS REGARDING CONSERVATISM. THUS, THE SYSTEM AS A WHOLE HAS NOT | | BEEN OPERATED IN SUCH A MANNER AS TO PROVIDE ACCURATE ANALYSIS OF | | PARTICULATE OR RADIOIODINE RELEASES FROM THE PLANT STACK. | | | | SEE RELATED ISSUE WITH THE STACK WIDE RANGE GASEOUS AND PARTICULATE MONITOR | | (EN 34213). THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34255 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 05/18/98 | |UNIT: [ ] [2] [ ] STATE: NY |NOTIFICATION TIME: 16:13 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 05/18/98 | +------------------------------------------------+EVENT TIME: 09:00[EDT]| |NRC NOTIFIED BY: BRETT BOISMENU |LAST UPDATE DATE: 05/18/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FITNESS-FOR-DUTY REPORT | | | | A CONTRACTOR, ACTING AS A SUPERVISOR, TESTED POSITIVE FOR ALCOHOL USE | | DURING A RANDOM DRUG TEST. THE INDIVIDUAL'S UNESCORTED ACCESS WAS | | IMMEDIATELY REVOKED. THE INDIVIDUAL'S SUPERVISOR WAS REQUESTED TO PERFORM | | AN IMPACT ON QUALITY AND SAFETY REVIEW ON THE INDIVIDUAL'S WORK. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34256 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 05/18/98 | |UNIT: [1] [2] [3] STATE: SC |NOTIFICATION TIME: 17:56 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 05/18/98 | +------------------------------------------------+EVENT TIME: 17:30[EDT]| |NRC NOTIFIED BY: DAVID NIX |LAST UPDATE DATE: 05/18/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ANN BOLAND 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 10 CFR PART 50, APPENDIX R, ISSUE - TWO INDEPENDENT MEANS OF SAFE SHUTDOWN | | MAY NOT BE AVAILABLE FOLLOWING A FIRE. | | | | RECENT INSPECTIONS OF THE FIRE WALL BETWEEN THE EAST AND WEST PENETRATION | | ROOMS HAVE IDENTIFIED NONCONFORMING CONDITIONS IN THE FIRE WALL STRUCTURE | | AND IN SOME OF THE PENETRATION SEALS THAT MAINTAIN THE FIRE BOUNDARY | | CHARACTERISTICS OF THE WALL. ITEMS FOUND WERE MINOR TO SIGNIFICANT VOIDS IN | | THE PENETRATION SEALS, AND CRACKING AND SPALLING OF THE WALL MATERIAL. | | THESE WALLS WERE EVALUATED TO ASSESS THE SIGNIFICANCE OF THE FINDINGS, AND | | THE LICENSEE'S PRELIMINARY CONCLUSION IS THAT THE WALLS MAY NOT HAVE BEEN | | CAPABLE OF PERFORMING THEIR INTENDED FUNCTION FOLLOWING AN APPENDIX R FIRE. | | | | THERE ARE NINE DIFFERENT FIRE ZONES AT OCONEE, OF WHICH TWO HAVE BEEN | | IDENTIFIED AS CRITICAL FIRE ZONES. ONE OF THE CRITICAL FIRE ZONES IS THE | | SAFE SHUTDOWN FACILITY (SSF) AND ITS EQUIPMENT THAT IS ROUTED THROUGH EACH | | OF THE UNITS' WEST PENETRATION ROOMS. THE SECOND ZONE IS THE AREA EAST OF | | THE EAST/WEST PENETRATION ROOM DIVIDING WALL, AND IT ENCOMPASSES THE PLANT | | EQUIPMENT NORMALLY RELIED UPON TO SAFELY SHUT DOWN THE REACTOR. THE 3-HOUR | | RATED FIRE WALL BETWEEN THE EAST AND WEST PENETRATION ROOMS ASSURES THAT | | THESE TWO CRITICAL FIRE AREAS, WHICH SEPARATE THE TWO SAFE SHUTDOWN PATHS, | | ARE INDEPENDENT. | | | | THE LICENSEE HAS DETERMINED THAT THIS CONDITION IS OUTSIDE OF THE DESIGN | | BASIS OF THE PLANT IN THAT TWO INDEPENDENT MEANS OF ACHIEVING SAFE SHUTDOWN | | FOLLOWING AN APPENDIX R FIRE MAY NOT HAVE BEEN AVAILABLE. AN ENGINEERING | | ANALYSIS OF THE IDENTIFIED CONDITIONS IS CONTINUING. EFFORTS ARE BEING | | INITIATED TO REPAIR THE WALLS, AND FIRE WATCHES HAVE BEEN POSTED IN | | ACCORDANCE WITH LICENSE COMMITMENTS. THE NRC RESIDENT INSPECTOR HAS BEEN | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34257 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 05/18/98 | |UNIT: [1] [2] [ ] STATE: TN |NOTIFICATION TIME: 23:00 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/18/98 | +------------------------------------------------+EVENT TIME: 22:15[EDT]| |NRC NOTIFIED BY: CALVIN FIELDS |LAST UPDATE DATE: 05/18/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ANN BOLAND 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 +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION DUE TO NPDES PERMIT VIOLATION | | | | THE LICENSEE NOTIFIED THE US DOT NATIONAL RESPONSE CENTER AND THE TENNESSEE | | EMERGENCY MANAGEMENT AGENCY (TEMA) REGARDING A CHLORINE RELEASE IN EXCESS | | OF LIMITS IN THE NATIONAL POLLUTION DISCHARGE ELIMINATION SYSTEM (NPDES) | | PERMIT. THE LICENSEE STATED THAT TOO MUCH CHLORINE WAS INJECTED WHEN THE | | LICENSEE BEGAN THEIR SPRING CLEANING OF THE RAW COOLING WATER SYSTEM. NO | | CHLORINE WAS DETECTED AT THE DIFFUSER DISCHARGE TO THE RIVER. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+