U.S. Nuclear Regulatory Commission Operations Center Event Reports For 12/10/97 - 12/11/97 ** EVENT NUMBERS ** 33374 33375 33376 33377 33378 33379 33380 33381 +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33374 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/10/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 09:17 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/09/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/10/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |JAMES CREED RDO | | DOCKET: 0707002 |ROBERT PIERSON EO | +------------------------------------------------+FRANK CONGEL IRD | |NRC NOTIFIED BY: KURT SISLER | | |HQ OPS OFFICER: FANGIE JONES | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DISCOVERED THE LOSS OF TWO NUCLEAR CRITICALITY SAFETY APPROVAL | | (NCSA) CONTROLS. | | | | EMPLOYEES DISCOVERED AN UNAPPROVED SAMPLE CONTAINER WAS USED TO COLLECT | | WASTE IN THE X-710 FACILITY. THE DOUBLE CONTINGENCY CONTROL MATRIX FOR | | NCSA CONTROL PLANTO45, A01, CONTINGENCY EVENT A/B 3.1, WAS VIOLATED. | | CONTROL "A" WAS VIOLATED BY HAVING A CONTAINER VOLUME GREATER THAN THE ONE | | LITER USED TO COLLECT WASTE. CONTROL "B" WAS VIOLATED WHEN A SECOND | | OPERATOR OR SUPERVISOR DID NOT OBSERVE THAT THE CORRECT VOLUME CONTAINER | | WAS BEING UTILIZED. ALTHOUGH TWO CONTROLS WERE LOST IN THIS EVENT, | | MODERATION IS NOT USED AS THE PRIMARY CRITICALITY CONTROL AND THAT NOT MORE | | THAN A SAFE MASS OF FISSIONABLE MATERIAL WAS INVOLVED MAKES THIS A 24 HOUR | | NOTIFICATION UNDER NRC BULLETIN 91-01. THE CONTAINER WAS IMMEDIATELY | | REPLACED WITH ONE OF PROPER VOLUME. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33375 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/10/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 09:18 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/09/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/10/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |JAMES CREED RDO | | DOCKET: 0707002 |ROBERT PIERSON EO | +------------------------------------------------+FRANK CONGEL IRD | |NRC NOTIFIED BY: KURT SISLER | | |HQ OPS OFFICER: FANGIE JONES | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DISCOVERED THE LOSS OF ONE NUCLEAR CRITICALITY SAFETY APPROVAL | | (NCSA) CONTROL. | | | | EMPLOYEES, DURING A WALKDOWN INSPECTION, DISCOVERED A SPACING NONCOMPLIANCE | | IN THE X-710 FACILITY. A CONTAINER OF URANIUM BEARING MATERIAL WAS SPACED | | CLOSER THAN THE ALLOWED 24 INCHES FROM A URANIUM STANDARD, WHICH WAS PLACED | | ON A TABLE ON THE OTHER SIDE OF A WALL. THE SECOND NCSA CONTROL WAS | | MAINTAINED THROUGH OUT THIS EVENT. THE 24 INCH SPACING WAS IMMEDIATELY | | RE-ESTABLISHED AT THE TIME OF THE DISCOVERY. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33376 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/10/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 09:19 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/09/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 16:45[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/10/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |JAMES CREED RDO | | DOCKET: 0707002 |ROBERT PIERSON EO | +------------------------------------------------+FRANK CONGEL IRD | |NRC NOTIFIED BY: KURT SISLER | | |HQ OPS OFFICER: FANGIE JONES | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DISCOVERED THE LOSS OF ONE NUCLEAR CRITICALITY SAFETY APPROVAL | | (NCSA) CONTROL. | | | | THE LICENSEE DISCOVERED THAT A NCSA REQUIREMENT WAS NOT BEING MAINTAINED IN | | AN AREA OF THE X344 FEED AND TRANSFER FACILITY WHERE PIGTAILS ARE STORED. | | THE "A" REQUIREMENT, REQUIRES PLASTIC BAGS CONTAINING EQUIPMENT TO BE | | MAINTAINED TWO (2) FEET EDGE-TO-EDGE FROM EACH OTHER AS WELL AS FROM ANY | | OTHER CONTAINER OF CONTAMINATED MATERIALS. THIS CONTROL WAS LOST WHEN FOUR | | PIGTAILS WERE FOUND TO BE STORED LESS THAN THE TWO (2) FEET SPACING. THE | | "B" REQUIREMENT OF GEOMETRY WAS NOT EXCEEDED. THE EDGE SPACING WAS | | IMMEDIATELY CORRECTED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 33377 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SIEMENS POWER CORPORATION |NOTIFICATION DATE: 12/10/97 | | CITY: RICHLAND REGION: 4 |NOTIFICATION TIME: 11:07 [ET]| | COUNTY: STATE: WA |EVENT DATE: 10/16/97 | |LICENSE#: SNM-1227 AGREEMENT: Y |EVENT TIME: 12:00[PST]| | DOCKET: |LAST UPDATE DATE: 12/10/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JAMES CREED RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: LOREN MAAS |VERN HODGE NRR | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |CCCC 21.21 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PART 21 - POTENTIAL TO EXCEED OPERATING LIMITS AT LASALLE UNIT 2 | | | | SIEMENS ORIGINALLY NOTIFIED THE NRC OF THIS ISSUE WITH AN INTERIM REPORT | | DATED 10/16/97. FURTHER EVALUATIONS OF THE INTERIM REPORT HAVE IDENTIFIED | | THE OPERATING LIMITS FOR LASALLE UNIT 2, CYCLE 8 COULD BE EXCEEDED AT LOW | | POWER, HIGH FLOW, AND WITH CERTAIN EQUIPMENT OUT-OF-SERVICE. THE STARTUP | | FOR CYCLE 8 HAS BEEN DELAYED UNTIL OF THE FALL OF 1998. THEREFORE, THE | | PLANT HAS NEVER OPERATED UNDER THE CONDITIONS ANALYZED. COMMONWEALTH | | EDISON HAS BEEN NOTIFIED OF THIS DEFECT AND HAS BEEN PROVIDED WITH REVISED | | LIMITS. | | | | THE IMPACT ON OTHER POTENTIALLY AFFECTED LICENSEES WAS EVALUATED. THE | | LICENSEE CONCLUDED THAT ALL OTHER LIMITS SUPPORTED BY SPC ANALYSES REMAIN | | APPLICABLE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33378 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 12/10/97 | |UNIT: [ ] [ ] [3] STATE: SC |NOTIFICATION TIME: 14:11 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 12/10/97 | +------------------------------------------------+EVENT TIME: 13:10[EST]| |NRC NOTIFIED BY: NIX |LAST UPDATE DATE: 12/10/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N Y 100 POWER OPERATION | 90 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DISCOVERED THERE EXIST A POSSIBILITY OF THE ECCS BECOMING | | INOPERABLE DURING THE SUMP RECIRCULATING MODE. | | | | ON 12/08/1997, DURING A SELF INITIATED TECHNICAL AUDIT OF THE PLANTS ECCS, | | IT WAS DETERMINED THAT A CERTAIN INPUT WAS NOT CONSIDERED IN AN ASSUMPTION | | IN THE CALCULATIONS ASSOCIATED WITH TRANSPORTATION OF DEBRIS TO THE REACTOR | | BUILDING EMERGENCY SUMP(RBES) DURING THE RECIRCULATION MODE. INCLUSION OF | | THIS INPUT RESULTED IN A REDUCTION IN THE MINIMUM AVAILABLE SUMP WATER | | LEVEL, WHICH CAUSED INCREASED FLOW VELOCITIES AND CONSEQUENTLY INCREASED | | TRANSPORTABILITY OF DEBRIS SUCH AS INSULATION. INCREASED TRANSPORTABILITY | | OF DEBRIS COULD RESULT IN INCREASED SUMP BLOCKAGE AND REDUCED AVAILABLE | | ECCS NET PUMP SUCTION HEAD(NPSH). AS A RESULT, THIS CONDITION IS BEING | | FURTHER INVESTIGATED. | | | | THERE ARE CERTAIN MEASURES THAT CAN BE TAKEN TO INCREASE THE AVAILABLE ECCS | | NPSH. THESE MEASURES INCLUDE REMOVAL OF THE STRAINERS FROM THE FUEL | | TRANSFER CANAL, REMOVAL OF A FLANGE FROM THE REACTOR VESSEL ANNULUS DRAIN, | | AND REMOVAL OF INSULATION SUSCEPTIBLE TO TRANSPORTABILITY. | | | | SINCE UNIT 1 IS SHUTDOWN, THESE ECCS REQUIREMENTS ARE NOT CURRENTLY | | APPLICABLE, BUT WILL BE ADDRESSED PRIOR TO RESTART. UNIT 2 HAS NO | | INSULATION SUSCEPTIBLE TO TRANSPORT, THEREFORE, THERE IS GREATER CONFIDENCE | | IN THE PRELIMINARY ENGINEERING ASSESSMENT THAT ADEQUATE ECCS NPSH EXISTS ON | | UNIT 2 THAN ON UNIT 3, EVEN WITH REDUCED WATER LEVELS. | | | | UNIT 3 IS REDUCING POWER TO FACILITATE THE REMOVAL OF INSULATION, | | STRAINERS, AND FLANGES SO THAT THE AVAILABLE ECCS MARGIN WILL INCREASE. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33379 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 12/10/97 | |UNIT: [ ] [2] [ ] STATE: MI |NOTIFICATION TIME: 17:26 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 12/10/97 | +------------------------------------------------+EVENT TIME: 14:25[EST]| |NRC NOTIFIED BY: PTACEK |LAST UPDATE DATE: 12/10/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAS DETERMINED THAT A POSSIBLE LEAKAGE PATH FROM THE CONTAINMENT | | TO THE AIR LOCK COMPARTMENT COULD HAVE BEEN OPEN DUE TO SEAL FAILURE. | | | | DURING PERIODIC MAINTENANCE OF THE UPPER CONTAINMENT AIRLOCK, THE SEAL FOR | | THE INNER BULKHEAD INTERLOCK SHAFT WAS FOUND TO CONSIST OF TEFLON PACKING | | RINGS RATHER THAN THE SPECIFIED EPDM ELASTOMER. TEFLON SIGNIFICANTLY | | DEGRADES WHEN EXPOSED TO HIGH RADIATION LEVELS THAT COULD EXIST INSIDE THE | | CONTAINMENT FOLLOWING A POSTULATED LOSS OF COOLANT ACCIDENT. AFTER | | DETERIORATION OF THE RINGS, A LEAKAGE PATH FROM THE CONTAINMENT TO THE | | AIRLOCK COMPARTMENT COULD HAVE BEEN OPENED AND LEAKAGE MAY HAVE EXCEEDED TS | | REQUIREMENTS. | | | | AN ACTION REQUEST HAS BEEN GENERATED TO INSPECT THE DOORS IN BOTH UNITS, | | AND THE SEALS WILL BE REPLACED WITH THE SPECIFIED MATERIAL. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33380 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 12/10/97 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 18:15 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 12/10/97 | +------------------------------------------------+EVENT TIME: 15:15[EST]| |NRC NOTIFIED BY: PRICE |LAST UPDATE DATE: 12/10/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 3 STARTUP | 3 STARTUP | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DECLARED RCIC SYSTEM INOPERABLE AND ENTERED A 14 DAY LCO ACTION | | STATEMENT. | | | | WHILE SECURING FROM A RCIC LOW PRESSURE SURVEILLANCE TEST, THE TURBINE | | FAILED TO TRIP WHEN THE RCIC TURBINE TRIP PUSHBUTTON IN THE CONTROL ROOM | | WAS DEPRESSED. THE RCIC TURBINE WAS DECLARED INOPERABLE AS A RESULT OF | | THIS FAILURE. ALTHOUGH THIS PARTICULAR FUNCTION IS NOT SPECIFICALLY | | REQUIRED BY THE PLANT'S TS, THE EXTENT OF CONDITION IS NOT KNOWN AT THIS | | TIME. HPCI IS NOT REQUIRED TO BE OPERABLE AT CURRENT REACTOR PRESSURE(160 | | PSIG). ALL OTHER SAFETY SYSTEMS ARE OPERABLE. THEY ARE INVESTIGATING THE | | CAUSE. | | | | THE RESIDENT INSPECTOR WAS INFORMED. LOWER ALLOWAYS CREEK TOWNSHIP WILL BE | | NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33381 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 12/11/97 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 00:47 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 12/10/97 | +------------------------------------------------+EVENT TIME: 22:55[CST]| |NRC NOTIFIED BY: SCOTT FRUIN |LAST UPDATE DATE: 12/11/97 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED RDO | |DSAF 73.71(b)(1) SECURITY DEGRADATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFEGUARDS SYSTEM DEGRADATION RELATED TO AREA BOUNDARY. IMMEDIATE | | COMPENSATORY MEASURES TAKEN UPON DISCOVERY. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | REFER TO THE HOO LOG FOR ADDITIONAL DETAILS. | +------------------------------------------------------------------------------+