U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/29/98 - 06/01/98 ** EVENT NUMBERS ** 34029 34224 34297 34300 34301 34302 34303 34304 34305 34306 34307 34308 34309 34310 34311 34312 34313 34314 +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34029 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 04/07/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 09:20 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 04/06/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 09:45[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 05/29/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |MARK RING RDO | | DOCKET: 0707002 |DON COOL, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: ERIC SPAETH | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01 RESPONSE (24- HOUR REPORT) | | | | OPERATIONS PERSONNEL DISCOVERED THAT A NUCLEAR CRITICALITY SAFETY APPROVAL | | (NCSA) REQUIREMENT WAS NOT BEING MAINTAINED WITHIN THE X-326 PROCESS | | BUILDING. EIGHT (8) CONTAMINATED ITEMS, EACH WRAPPED IN A PLASTIC BAG, WERE | | FOUND ON A CART WITH LESS THAN THE REQUIRED TWO FOOT EDGE-TO-EDGE SPACING | | SPECIFIED IN REQUIREMENT #6 OF NCSA PLANT062.A000. THIS CONSTITUTES A LOSS | | OF CONTROL "A" (INTERACTION/SPACING) IN THE DOUBLE CONTINGENCY MATRIX FOR | | CONTINGENCY EVENT B.17.1. CONTROL "B" (GEOMETRY) WAS MAINTAINED THROUGHOUT | | THIS EVENT. CONTROL "A" WAS RE-ESTABLISHED AT 1130 HOURS UNDER THE | | DIRECTION OF NUCLEAR CRITICALITY SAFETY (NCS) PERSONNEL. | | | | THERE WAS NO LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL OR | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURE AS A RESULT OF THIS EVENT. | | | | SAFETY SIGNIFICANCE OF EVENT: | | | | PIGTAILS ARE EVACUATED PRIOR TO REMOVING, THUS MASS OF U-235 IS EXPECTED TO | | BE MINIMAL. EIGHT CONTAMINATED LEGACY PIGTAILS MADE OF TYGON TUBING WERE | | FOUND. THE PIGTAILS WERE WRAPPED IN PLASTIC BAGS. BASED ON THE SMALL | | DIAMETER (< 6 INCHES) THE PIGTAILS WERE IN SAFE GEOMETRY. IN ADDITION, THE | | PLASTIC BAGS PREVENT ADDITION OF MODERATION TO THE PIGTAILS. THUS, THE | | SAFETY SIGNIFICANCE IS LOW. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY PORTSMOUTH PERSONNEL. | | | | *** UPDATE ON 5/29/98 @ 1647 BY BARCH TO GOULD *** | | | | ON 4/6/98 @ 0945, OPERATIONS PERSONNEL DISCOVERED SEVERAL COMPONENTS THAT | | WERE STORED UNDER CURRENT NUCLEAR CRITICALITY SAFETY APPROVAL(NCSA) | | REQUIREMENTS IN THE "X-236" PROCESS BUILDING. EIGHT PIGTAILS AND ONE SMALL | | PIPE WERE FOUND TOGETHER ON A CART. ITEMS WERE IN SIX PLASTIC BAGS(THREE | | BAGS EACH CONTAINED TWO PIGTAILS, TWO BAGS EACH CONTAINED ONE PIGTAIL, AND | | ONE BAG CONTAINED THE SMALL PIPE). NCSA'S FOR THE ITEMS WERE NOT IN EFFECT | | AT THE TIME THE CART WAS PLACED IN STORAGE. THUS, THIS IS DETERMINED TO BE | | A LEGACY ISSUE. MONTHS AFTER THE STORAGE AREA WAS ESTABLISHED, THE AREA | | WAS POSTED AS AN NCSA STORAGE AREA, WITHOUT THOROUGH REVIEW OF THE CONTENTS | | OF THE STORAGE AREA. THEREFORE, NCS DOUBLE CONTINGENCY CONTROLS WITHIN | | CURRENT NCSA'S WERE NOT BEING FOLLOWED AT THE TIME OF DISCOVERY. | | | | AT 1130 ON 4/6/98, MAINTAINING THE NCSA-PLANT062 CONTROLS MEETING THE | | REQUIREMENTS OF NCSA-PLANT062, "CASCADE MAINTENANCE," WERE ESTABLISHED OR | | CONFIRMED. (A TWO FOOT EDGE-TO-EDGE SPACING WAS ESTABLISHED, AND THE | | GEOMETRY OF ITEMS WITHIN THE INDIVIDUAL BAGS WAS CONFIRMED). THE | | INDIVIDUAL BAGS MET THE DESIGNATION OF UNCOMPLICATED HANDLING(UH) ACCORDING | | TO THE NCSA BASED ON HAVING AN INDIVIDUAL SAFE GEOMETRY. | | | | ON 4/9/98, MAINTAINING THE NCSA-PLANT062 CONTROLS, THE BAGGED ITEMS WERE | | PLACED UNDER NCSA-PLANT048, "CONTAMINATED METAL," WITHIN A DEPARTMENT OF | | ENERGY MATERIAL STORAGE AREA. (THE VOLUME AND PLASTIC COVERING WERE | | CONFIRMED). THE DESIGNATIONS OF PLANNED EXPEDITIOUS HANDLING(PEH) AND | | UNCOMPLICATED HANDLING(UH) DO NOT APPLY FOR NCSA-PLANT048. | | | | SAFETY SIGNIFICANCE OF THE EVENT: | | | | THE MASS WITHIN THE BAGS WAS DETERMINED BY NONDESTRUCTIVE ASSAY. THE TOTAL | | MASS FOR ALL BAGS WAS 1164G AT 4% ENRICHED U-235, INCLUDING MEASUREMENT | | ERROR. THE MINIMUM CRITICAL MASS FOR 100% ENRICHED U-235 IS APPROXIMATELY | | 20KG. THEREFORE, MANY TIMES THE NUMBER OF ITEMS WOULD HAVE TO BE PRESENT | | BEFORE CRITICALITY WOULD BE POSSIBLE. ON A VOLUME BASIS, THE TOTAL | | INTERNAL VOLUME OF THE ITEMS WAS LESS THAN ONE GALLON WHICH IS LESS THAN A | | SAFE VOLUME. OVER 40 PIGTAILS WOULD HAVE TO BE PRESENT TO OBTAIN THE | | SUBCRITICAL VOLUME. MODERATION WOULD NOT CHANGE SINCE THE COMPONENTS WERE | | IN PLASTIC BAGS. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED. | | | | THE DOE INSPECTOR WILL BE NOTIFIED. | | | | REG 3 RDO MADERA WAS INFORMED. | | | | NMSS EO (PIERSON) WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34224 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 05/13/98 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 16:55 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 02/04/93 | +------------------------------------------------+EVENT TIME: : [EDT]| |NRC NOTIFIED BY: DAVIS |LAST UPDATE DATE: 05/29/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 3 | N N 0 COLD SHUTDOWN | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE CONTROL ROOM VENTILATION HAS BEEN IN A CONDITION WHERE IT WAS NOT ABLE | | TO PERFORM ITS DESIGN BASIS FUNCTION. | | | | ON 05/13/98, A RADIOLOGICAL ASSESSMENT CONCLUDED THAT ON SIX PRIOR | | OCCASIONS (1987-1993) WHILE THE PLANT WAS IN OPERATION, THE CONTROL ROOM | | VENT SYSTEM WOULD NOT HAVE BEEN ABLE TO KEEP CONTROL ROOM DOSES WITHIN THE | | DESIGN BASIS LIMIT OF 30 REM TO THE THYROID. THIS WAS CAUSED BY PAST | | DEGRADED CONDITIONS IN THE CONTROL ROOM VENT SYSTEM COUPLED WITH LEAKAGE | | FROM SYSTEMS THAT COULD RECIRCULATE FLUID OUTSIDE CONTAINMENT. SYSTEM | | LEAKAGE EXCEEDED THE VALUE (0.7054 GPH) USED IN THE CONTROL ROOM | | HABITABILITY DOSE CALCULATION. THIS SYSTEM WAS DEGRADED IN THAT THE | | SURVEILLANCE TEST FLOW REQUIREMENTS FOR THE BOOSTER FANS DID NOT ASSURE | | FLOWS CONSISTENT WITH THE DOSE CALCULATIONS OR ACCOUNT FOR LOADING OF THE | | FILTER SYSTEM DURING THE 30 DAYS FOLLOWING A POSTULATED ACCIDENT. THIS | | CONDITION WAS IDENTIFIED WHEN A 1997 EVALUATION OF THE DEGRADED CONTROL | | ROOM VENTILATION SYSTEM WAS RE-ASSESSED, CONSIDERING HISTORICAL LEAKAGE | | RATES FROM SYSTEMS THAT COULD RECIRCULATE FLUID OUTSIDE CONTAINMENT. | | CORRECTIVE ACTION WAS TAKEN IN 1997 TO ASSURE THAT THE BOOSTER FANS WERE | | PROPERLY SET, AND PREVIOUS ACTION HAS CORRECTED THE LEAKS. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | | | | * * * UPDATE AT 0935 ON 05/29/98 FROM PRUSSMAN TAKEN BY STRANSKY * * * | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "A VOLUNTARY ENS NOTIFICATION WAS MADE ON MAY 13, 1998 STATING, IN PART, | | THAT A 'RADIOLOGICAL ASSESSMENT CONCLUDED THAT ON SIX PRIOR OCCASIONS, | | WHILE THE PLANT WAS IN OPERATION, THE CONTROL ROOM VENTILATION SYSTEM WOULD | | NOT HAVE BEEN ABLE TO KEEP CONTROL ROOM DOSES WITHIN THE PLANT DESIGN BASIS | | LIMIT OF 30 REM THYROID...THEREFORE, THIS IS AN EVENT THAT IS REPORTABLE | | UNDER 10 CFR 50.73(a)(2)(ii)...THIS WAS CAUSED BY PAST DEGRADED CONDITIONS | | IN THE CONTROL ROOM VENTILATION SYSTEM COUPLED WITH LEAKAGE FROM SYSTEMS | | THAT COULD RECIRCULATE FLUID OUTSIDE CONTAINMENT...THIS SYSTEM WAS DEGRADED | | IN THAT THE SURVEILLANCE TEST FLOW REQUIREMENTS FOR THE BOOSTER FANS DID | | NOT ASSURE FLOWS CONSISTENT WITH THE DOSE CALCULATIONS OR ACCOUNT FOR | | LOADING OF THE FILTER SYSTEM DURING THE 30 DAYS AFTER A POSTULATED | | ACCIDENT.' THE EVALUATION RESULTING FROM THE ABOVE REPORT CALCULATED AN | | INCREASE IN FILTER UNIT PRESSURE DROP DUE TO FILTER LOADING AND THAT | | INCREASE WAS ADDED DIRECTLY TO THE SYSTEM PRESSURE DROP. THE SIX | | OCCASIONS, WHICH OCCURRED BETWEEN AUGUST OF 1987 AND FEBRUARY OF 1993, WERE | | REEVALUATED. THE REEVALUATION USED A CONVENTIONAL SYSTEM RESISTANCE CURVE | | DEVELOPED TO ESTABLISH THE FAN OPERATING POINT DUE TO FILTER LOADING WHICH | | RESULTED IN CONTINUED FILTRATION AND PRESSURIZATION OF THE CONTROL ROOM FOR | | 30 DAYS AFTER THE ACCIDENT. THE REEVALUATION FOUND THAT THE GENERAL DESIGN | | CRITERION 19 DOSE OF 30 REM THYROID DOSE WAS MET FOR EACH OCCASION." | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. THE NRC | | OPERATIONS CENTER NOTIFIED THE R1DO (DURR). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34297 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 05/28/98 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 17:31 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 05/28/98 | +------------------------------------------------+EVENT TIME: 16:50[EDT]| |NRC NOTIFIED BY: NEMCEK |LAST UPDATE DATE: 05/31/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | PLANT DECLARED THE EMERGENCY OPERATIONS FACILITY (EOF) OUT OF SERVICE. | | | | THE EOF WAS TAKEN OUT OF SERVICE DUE TO PLANNED MAINTENANCE ON ELECTRICAL | | BUS "L20." THIS BUS SUPPLIES THE "H21" BUS WHICH IN TURN SUPPLIES THE EOF. | | SINCE NO POWER IS BEING SUPPLIED TO THE EOF, IT WAS DECLARED OUT OF | | SERVICE. THE BACKUP EOF IS AVAILABLE IF NEEDED. THIS BUS OUTAGE WILL LAST | | UNTIL 0200 ON 05/31/98. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | | | | *** UPDATE ON 05/31/98 AT 1215 FROM SMITH TO GOULD *** | | | | POWER WAS RESTORED AT 1215 PUTTING THE EOF BACK IN SERVICE. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE. | | | | THE REG 3 RDO(MADERA) WAS NOTIFIED BY THE NRC OPERATIONS CENTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34300 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 05/29/98 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 13:13 [ET]| |RX TYPE: [3] CE |EVENT DATE: 05/29/98 | +------------------------------------------------+EVENT TIME: 11:54[CDT]| |NRC NOTIFIED BY: BILL McKINNEY |LAST UPDATE DATE: 05/29/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOSEPH TAPIA RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 70 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION REQUIRED SHUTDOWN DUE TO A DROPPED PART-LENGTH | | CONTROL ELEMENT ASSEMBLY | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "AT 1154 HOURS CDT, WATERFORD 3 ENTERED A CONDITION REQUIRING A PLANT | | SHUTDOWN BY TECHNICAL SPECIFICATIONS. THIS CONDITION OCCURRED AS A RESULT | | OF A DROPPED PART-LENGTH CONTROL ELEMENT ASSEMBLY. THE DROPPED CONTROL | | ELEMENT ASSEMBLY OCCURRED AT 0954 HOURS [CDT, AND THE ASSEMBLY FULLY | | INSERTED INTO THE CORE.] TECHNICAL SPECIFICATION 3.1.3.1, ACTION (C), | | REQUIRES A UNIT SHUTDOWN." | | | | FROM THE TIME THE ASSEMBLY DROPPED (0954 CDT), THE LICENSEE HAD 15 MINUTES | | TO COMMENCE A POWER REDUCTION AND 1 HOUR TO REDUCE POWER BY 30%. THE | | LICENSEE THEN HAD 1 HOUR TO REALIGN THE ASSEMBLY OR TO DECLARE IT | | INOPERABLE. IF THE ASSEMBLY IS NOT REALIGNED IN 1 HR, THE LICENSEE IS THEN | | REQUIRED TO SHUT THE UNIT DOWN TO MODE 3 (HOT STANDBY) WITHIN 6 HOURS (BY | | 1754 CDT). THE LICENSEE STARTED THIS 6-HOUR TIME CLOCK AT 1154 CDT. THE | | LICENSEE IS CURRENTLY IN THE PROCESS OF TROUBLESHOOTING THE PROBLEM. THE | | LICENSEE PLANS TO COMMENCE A SECOND SHUTDOWN IF THE CAUSE OF THE DROPPED | | CONTROL ELEMENT ASSEMBLY CANNOT BE DETERMINED OR IF THE DROPPED CONTROL | | ELEMENT ASSEMBLY CANNOT BE REALIGNED. IN ADDITION, THE LICENSEE'S | | EMERGENCY PLAN REQUIRES THE DECLARATION OF AN UNUSUAL EVENT IF THE SHUTDOWN | | OF THE REACTOR IS COMMENCED. THE LICENSEE PLANS TO MAKE AN ADDITIONAL | | NOTIFICATION TO THE NRC IF THIS OCCURS. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34301 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 05/29/98 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 13:15 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 05/29/98 | +------------------------------------------------+EVENT TIME: 12:45[EDT]| |NRC NOTIFIED BY: PETER ABBOTT |LAST UPDATE DATE: 05/29/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION SYSTEM DECLARED INOPERABLE. | | | | WHILE DOING A CONTROL BOARD WALKDOWN, THE NRC RESIDENT INSPECTOR NOTICED | | THAT THE CONTROL SIGNAL FOR THE HIGH PRESSURE COOLANT INJECTION (HPCI) FLOW | | CONTROLLER WAS NOT NORMAL. THE FLOW CONTROLLER SIGNAL IS USUALLY AT 100% | | WHEN THERE IS NO FLOW. THE LICENSEE DETERMINED THAT THE CONTROLLER WAS NOT | | INDICATING PROPERLY AND DECLARED THE HPCI SYSTEM INOPERABLE. THE LICENSEE | | ENTERED TECHNICAL SPECIFICATION ACTION STATEMENT 3.5.C, A 7-DAY TO COLD | | SHUTDOWN REQUIREMENT. | | | | INSTRUMENT AND CONTROL PERSONNEL ARE TROUBLESHOOTING THE CIRCUIT TO | | DETERMINE THE PROBLEM SO IT CAN BE REPAIRED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34302 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 05/29/98 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 17:56 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 05/29/98 | +------------------------------------------------+EVENT TIME: 15:35[EDT]| |NRC NOTIFIED BY: VASELY |LAST UPDATE DATE: 05/29/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 LICENSEE REPORTED AN OIL SPILL TO THE NEW YORK DEPARTMENT OF | | ENVIRONMENTAL CONSERVATION. | | | | THERE WAS A LUBE OIL SPILL OF APPROXIMATELY 15 GALLONS AT THE STANDBY POWER | | GAS TURBINE UNIT WHICH IS LOCATED 1/2 MILE FROM THE SITE BOUNDARY. THE OIL | | WAS CONTAINED IN A CONCRETE PIT UNDER THE TURBINE. THE OIL HAD LEAKED FROM | | A GASKET ON THE TURBINE GENERATOR TURNING GEAR OIL SYSTEM. THE LEAK HAS | | BEEN SECURED. THERE WAS NO IMPACT TO THE ENVIRONMENT DUE TO THIS LEAKAGE. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34303 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 05/29/98 | |UNIT: [1] [ ] [ ] STATE: WI |NOTIFICATION TIME: 21:30 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 05/29/98 | +------------------------------------------------+EVENT TIME: 20:00[CDT]| |NRC NOTIFIED BY: REZACHEK |LAST UPDATE DATE: 05/29/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SAFEGUARDS SYSTEM DEGRADATION RELATED TO AN AREA BOUNDARY OCCURRED. | | IMMEDIATE COMPENSATORY MEASURES WERE TAKEN ON DISCOVERY. (SEE THE HOO LOG | | FOR ADDITIONAL DETAILS.) | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34304 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 05/29/98 | |UNIT: [ ] [2] [3] STATE: IL |NOTIFICATION TIME: 23:23 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 05/29/98 | +------------------------------------------------+EVENT TIME: 21:47[CDT]| |NRC NOTIFIED BY: DALY |LAST UPDATE DATE: 05/29/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 99 POWER OPERATION | 99 POWER OPERATION | | 3 | N Y 86 POWER OPERATION | 86 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SAFEGUARDS SYSTEM DEGRADATION RELATED TO POWER SUPPLY FUNCTIONS OCCURRED. | | COMPENSATORY MEASURES WERE TAKEN UPON DISCOVERY. (SEE THE HOO LOG FOR | | ADDITIONAL DETAILS.) | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE. | | | | HOO NOTE: SEE EVENT #34299 | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34305 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 05/30/98 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 02:07 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/29/98 | +------------------------------------------------+EVENT TIME: 21:43[EDT]| |NRC NOTIFIED BY: MIKE PEAL |LAST UPDATE DATE: 05/30/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 +------------------------------------------------------------------------------+ | ELECTRICAL TRANSIENT CAUSED FOUR CONTAINMENT RADIATION MONITOR SYSTEM | | VALVES TO CLOSE. | | | | AN ELECTRICAL TRANSIENT EXPERIENCED ON THE 13.8KV SYSTEM CAUSED FOUR | | CONTAINMENT RADIATION MONITOR SYSTEM VALVES TO CLOSE. THE VALVES ARE | | PRIMARY CONTAINMENT ISOLATION VALVES. THE TEMPORARY LOSS OF POWER IS | | CONSIDERED AN INVALID SIGNAL, BUT THE LICENSEE IS CONSERVATIVELY REPORTING | | THIS AS A 4-HOUR NON-EMERGENCY EVENT UNDER ESF ACTUATION. THE ISOLATION OF | | THE CONTAINMENT RADIATION MONITOR VALVES WAS DISCOVERED DURING THE REVIEW | | OF THE TRANSIENT. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34306 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 05/30/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 05:24 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/30/98 | +------------------------------------------------+EVENT TIME: 02:00[EDT]| |NRC NOTIFIED BY: MIKE PEAL |LAST UPDATE DATE: 05/30/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | PERSONNEL ERROR CAUSED CONTAINMENT ISOLATION VALVES TO CLOSE. | | | | DRYWELL COOLING LOGIC RELAY REPLACEMENT WAS IN PROGRESS WHEN A DIVISION 2 | | DRYWELL COOLING ISOLATION OCCURRED. NO VALID ISOLATION SIGNALS OCCURRED NOR | | WERE THERE ANY PLANT CONDITIONS WHICH WOULD HAVE REQUIRED A CONTAINMENT | | ISOLATION. THE UNIT IS CURRENTLY IN A REFUELING OUTAGE. THE "D" CHANNEL WAS | | TAGGED OUT FOR RELAY REPLACEMENT, WHICH PLACED THIS CHANNEL IN AN ACTUATED | | STATE. DUE TO A MISCOMMUNICATION, THE WORK GROUP REPLACED A RELAY IN THE | | "B" CHANNEL WHICH PUT IT IN AN ACTUATED STATE. WITH BOTH CHANNELS | | ACTIVATED, A DIVISION 2 ISOLATION OCCURRED. THE FOLLOWING 5 CONTAINMENT | | ISOLATION VALVES REPOSITIONED: | | | | SV-12605 CONTAINMENT INSTRUMENT GAS COMPRESSOR OUTBOARD SUCTION VALVE, | | HV-18781B1/B2 & HV-18782B1/B2 OUTBOARD REACTOR BUILDING CHILLED WATER | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34307 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 05/30/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 07:16 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/30/98 | +------------------------------------------------+EVENT TIME: 06:10[EDT]| |NRC NOTIFIED BY: PETER GARDNER |LAST UPDATE DATE: 05/30/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 80 POWER OPERATION | 80 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM DECLARED INOPERABLE. | | | | THE HPCI SYSTEM WAS DECLARED INOPERABLE FOLLOWING THE FAILURE OF A ROUTINE | | TEST FOR THE HPCI DRAIN POT FLOW ORIFICE. THE TEST FAILED WHEN THERE WAS | | NO TEMPERATURE RESPONSE DOWN STREAM ON THE TURBINE EXHAUST LINE. THE TEST | | FAILED ON 05/29/98 AT 2240 ET AT WHICH TIME IT WAS BELIEVED THAT HPCI WAS | | STILL OPERABLE. FURTHER REVIEW WITH THE ASSISTANCE OF ENGINEERING | | DETERMINED THAT THERE EXISTS A POTENTIAL FOR WATER TO BE IN THE EXHAUST | | LINE. THEREFORE, THE SYSTEM HAS BEEN CONSERVATIVELY DECLARED INOPERABLE | | UNTIL IT CAN BE VERIFIED THAT THERE IS NO WATER IN THE TURBINE EXHAUST LINE | | OR THE ORIFICE IS VERIFIED TO BE OPERATING PROPERLY. | | | | ALL OTHER EMERGENCY CORE COOLING SYSTEMS AND THE REACTOR CORE ISOLATION | | COOLING SYSTEM ARE FULLY OPERABLE. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34308 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 05/30/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 12:28 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 05/29/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 12:45[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 05/30/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |JOHN MADERA RDO | | DOCKET: 0707002 |ROBERT PIERSON EO | +------------------------------------------------+ | |NRC NOTIFIED BY: NOEL | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 24 HOUR 91-01 BULLETIN | | | | NUCLEAR CRITICALITY SAFETY(NCS) SELF ASSESSMENT PERSONNEL DISCOVERED THAT A | | NUCLEAR CRITICALITY SAFETY APPROVAL(NCSA) REQUIREMENT WAS NOT BEING | | MAINTAINED WITHIN THE "X-326" PROCESS BUILDING. THE LUBE OIL IN SEVEN | | SHUTDOWN UNITS(25-1 THROUGH 25-6 AND 27-3) HAVE NOT BEEN SAMPLED AND | | ANALYZED FOR URANIUM CONCENTRATION SINCE 9/95. NCSA-PLANT054.A00 REQUIRES | | SEMI-ANNUAL SAMPLING OF THESE UNITS FOR URANIUM. THIS CONSTITUTES THE LOSS | | OF CONTROL "A" IN THE DOUBLE CONTINGENCY MATRIX FOR CONTINGENCY EVENT | | 8.5.3. SUBSEQUENT INVESTIGATION REVEALED THAT THE NCSE ANALYSIS FOR | | CONTINGENCY EVENT 8.5.3 DID NOT ADEQUATELY ADDRESS SHUTDOWN LUBE OIL UNITS | | BECAUSE IT TOOK CREDIT FOR SOME AGITATION OF THE LUBE OIL WHICH IS NOT | | PRESENT IN A SHUTDOWN UNIT. HISTORICAL DATA FROM URANIUM SAMPLES TAKEN IN | | THE LAST 5 YEARS WHEN THESE UNITS WERE OPERATED WAS TYPICALLY LESS THAN 2 | | PARTS PER MILLION URANIUM(PPM URANIUM)WITH THE HIGHEST BEING 2.0 PPM | | URANIUM. SINCE THE UNITS WERE SHUTDOWN IN 1995, NO ADDITIONAL URANIUM | | COULD HAVE ENTERED THE LUBE OIL UNITS. CALCULATIONS, UTILIZING WORST CASE | | PARAMETERS, OF THE URANIUM MASS WHICH COULD CREDIBLY BE PRESENT IN THE | | LARGEST LUBE OIL TANK HAVE SHOWN THAT LESS THAN A SAFE MASS OF URANIUM IS | | PRESENT. | | | | THERE WAS NO LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL OR | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURE AS A RESULT OF THIS EVENT. | | | | SAFETY SIGNIFICANCE OF THE EVENT: | | | | RUNNING CASCADE EQUIPMENT IS USUALLY LESS THAN 2 PPM URANIUM. THIS RESULTS | | IN A QUANTITY OF URANIUM OF LESS THAN A SAFE MASS EVENT AT 100% ENRICHMENT | | AND VOLUME OF 12,000 GALLONS. DATA FROM 1995, WHEN THE EQUIPMENT WAS | | SHUTDOWN, SUPPORTS THIS. FOLLOWING UNIT SHUTDOWN, NO ADDITIONAL URANIUM | | COULD HAVE ENTERED THE SYSTEM. EVEN IF THE URANIUM SETTLES TO THE BOTTOM | | OF THE TANK, A CRITICALITY COULD NOT OCCUR BECAUSE OF INSUFFICIENT MASS OF | | URANIUM. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED. | | | | THE DOE INSPECTOR WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34309 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 05/30/98 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 20:19 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 05/30/98 | +------------------------------------------------+EVENT TIME: 14:49[PDT]| |NRC NOTIFIED BY: BAIRD |LAST UPDATE DATE: 05/30/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOSEPH TAPIA RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | A N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A FULL REACTOR SCRAM AND INJECTION WHILE IN MODE 4. | | | | THEY WERE PERFORMING A REACTOR PRESSURE VESSEL LEAK TEST AND AN EXCESS FLOW | | CHECK VALVE TEST WITH THE INITIAL CONDITIONS BEING 107 PSIG, 222øF, +297" | | UNDER TS 3.10.1. AN UNEXPECTED FULL SCRAM, WITH ALL RODS FULLY INSERTED, | | INJECTION OF LPCS & LPCI "A" AND STARTS OF THE DIVISION 1&3 EMERGENCY | | DIESELS OCCURRED, BUT THE DIESELS DID NOT LOAD. RPV PRESSURE INCREASED TO | | A MAXIMUM OF 425 PSIG WHICH IS STILL WITHIN THE LIMITS OF THE "RPV LEAK AND | | HYDROSTATIC TESTING" CURVE IN TS 3.4.11. RPV TEMPERATURE DROPPED TO A | | MINIMUM OF 219øF. APPROXIMATELY 2,600 GALS. OF WATER WAS INJECTED BEFORE | | IT WAS SECURED. | | | | OPERATORS IMMEDIATELY TRIPPED THE OPERATING CRD PUMP PER THE RPV LEAK TEST | | PROCEDURE AND THE ECCS PUMPS FOLLOWING VERIFICATION OF AN INVALID | | INITIATION. ONCE STABLE THE OPERATORS LOWERED RPV LEVEL AND PRESSURE TO | | PER-EVENT VALUES. ALL ACTUATED EQUIPMENT HAS BEEN SECURED AND RESET. | | | | THE DIV 2 ECCS AND D/G REMAIN OPERABLE. NO ISOLATIONS OCCURRED. THEY ARE | | REVIEWING THE EVENT TO DETERMINE THE CAUSE. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE. | | | | HOO NOTE: SEE EVENT #34313 | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34310 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: YANKEE ROWE REGION: 1 |NOTIFICATION DATE: 05/31/98 | |UNIT: [1] [ ] [ ] STATE: MA |NOTIFICATION TIME: 01:30 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 05/31/98 | +------------------------------------------------+EVENT TIME: 00:40[EDT]| |NRC NOTIFIED BY: ED MAY |LAST UPDATE DATE: 05/31/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |AENS 50.72(b)(1)(v) ENS INOPERABLE | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MAJOR LOSS OF COMMUNICATIONS | | | | ALL COMMERCIAL AND FTS 2000 COMMUNICATIONS WITH THE PLANT WAS LOST AT 0040 | | ET. THIS LOSS WAS REPORTED TO THE HEADQUARTERS OPERATIONS OFFICER BY THE | | MASSACHUSETTS STATE POLICE WHO ARE IN COMMUNICATIONS WITH YANKEE ROWE. | | COMMUNICATIONS TO THE PLANT CAN BE MADE THROUGH THE MASS STATE POLICE | | COMMUNICATION SYSTEM. THE LICENSEE VIA THE MASS STATE POLICE SAID THAT THEY | | HAVE ELECTRICAL POWER TO THE PLANT, AND THE SPENT FUEL POOL COOLING SYSTEM | | IS FULLY OPERABLE. | | | | ***UPDATE AT 0353 ET ON 05/31/98 FROM ED MAY TAKEN BY MACKINNON*** | | | | ALL COMMERCIAL AND FTS 2000 PHONE LINES ARE BACK IN SERVICE. NOTIFIED R1DO | | (JACK DURR). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 34311 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: PELTON CAST STEEL |NOTIFICATION DATE: 05/31/98 | | CITY: OAK CREEK REGION: 3 |NOTIFICATION TIME: 09:48 [ET]| | COUNTY: WAUKESHA STATE: WI |EVENT DATE: 05/31/98 | |LICENSE#: 48-02669-02 AGREEMENT: N |EVENT TIME: 02:00[CDT]| | DOCKET: |LAST UPDATE DATE: 05/31/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN MADERA RDO | | |BOB PIERSON EO | +------------------------------------------------+ | |NRC NOTIFIED BY: JEFF GOUDZWAARD | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PERMANENT RADIOGRAPHIC BUILDING RECEIVED GREATER THAN 1,000 DOLLARS DAMAGE. | | | | THE ROOF OF THE PELTON CAST STEEL PERMANENT RADIOGRAPHIC BUILDING LOCATED | | IN OAK CREEK, WISCONSIN, WAS DAMAGED BY A SEVERE THUNDERSTORM LAST NIGHT | | (05/31/98) BETWEEN THE HOURS OF 0200 AND 0300 CDT. DAMAGE TO THE ROOF OF | | THE BUILDING IS GREATER THAN 1,000 DOLLARS. PER THE LICENSEE'S | | ADMINISTRATIVE CONTROLS, IF THE FACILITY SUSTAINS DAMAGE GREATER THAN 1,000 | | DOLLARS IT MUST BE REPORTED TO THE NUCLEAR REGULATORY COMMISSION WITHIN 24 | | HOURS. PART OF THE ROOF OF THE BUILDING WAS BLOWN OFF, AND THE SECURITY | | FENCE ON TOP OF THE ROOF WAS DAMAGED. THE RADIOGRAPHIC CAMERA AND ITS | | 30-CURIE COBALT-60 SOURCE LOCATED INSIDE THE BUILDING WERE NOT DAMAGED BY | | THE THUNDERSTORM. | | | | ON MONDAY (06/01/98), THE LICENSEE PLANS TO FAX TO THE NRC REGION 3 OFFICE | | A DETAILED EXPLANATION OF THE EVENT. | | | | THE MAIN OFFICE FOR PELTON CAST STEEL IS LOCATED IN MILWAUKEE, WISCONSIN. | | | | (SEE THE HOO LOG BOOK FOR PHONE NUMBERS AND A MAIN OFFICE ADDRESS.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34312 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALISADES REGION: 3 |NOTIFICATION DATE: 05/31/98 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 11:52 [ET]| |RX TYPE: [1] CE |EVENT DATE: 05/31/98 | +------------------------------------------------+EVENT TIME: 10:40[EDT]| |NRC NOTIFIED BY: TONER |LAST UPDATE DATE: 05/31/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |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 N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED PINHOLE LEAKS IN PIPING UPSTREAM OF THE PRIMARY | | COOLANT SAMPLE LINE ISOLATION VALVE. | | | | THE LICENSEE IDENTIFIED PIN HOLE LEAKS IN 1/2" PIPING ADJACENT TO AND | | UPSTREAM OF THE PRIMARY COOLANT SYSTEM SAMPLE LINE CONTAINMENT ISOLATION | | VALVE (CV-1910) WHICH IS LOCATED OUTSIDE OF CONTAINMENT. THE PIPING IN | | QUESTION IS ASME CLASS 1 PIPING AND HAS, THEREFORE, BEEN DECLARED | | INOPERABLE. THE LEAK APPEARS TO BE AT A WELD JOINT. ALTHOUGH LEAKAGE IS | | VERY SMALL(LEAKAGE HAS NOT YET BEEN QUANTIFIED) AND ENGINEERING JUDGMENT | | INDICATES THAT CONTAINMENT LEAKAGE LIMITS WOULD NOT LIKELY BE EXCEEDED EVEN | | UNDER CONTAINMENT DESIGN PRESSURE CONDITIONS, THE PLANT ENTERED TS | | 4.5.2.C(1) LCO BASED ON PIPING BEING DECLARED INOPERABLE. THE LCO ACTION | | STATEMENT REQUIRES THAT THE PLANT BE IN COLD SHUTDOWN WITHIN 30 HOURS FROM | | 1040 EDT. WELD REPAIR PLANS HAVE BEEN DEVELOPED AND ARE BEING IMPLEMENTED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | (SEE EVENT #34314.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34313 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 05/31/98 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 14:10 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 05/31/98 | +------------------------------------------------+EVENT TIME: 08:43[PDT]| |NRC NOTIFIED BY: GARDES |LAST UPDATE DATE: 05/31/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOSEPH TAPIA RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | A N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A REACTOR SCRAM WHILE IN MODE 4. | | | | THE LICENSEE WAS PERFORMING REACTOR PRESSURE VESSEL LEAK TESTING AND | | INDIVIDUAL ROD SCRAM TIMING AT 1,034 PSIG, 250øF, AND REACTOR WATER LEVEL | | OF 330" UNDER TS 3.10.1 WHEN AN UNEXPECTED FULL SCRAM OCCURRED. ALL RODS | | WERE FULLY INSERTED AT THE TIME OF THE SCRAM; THEREFORE, NO ROD MOTION | | OCCURRED. RPV PRESSURE INCREASED TO A MAXIMUM OF 1,046 PSIG WHICH IS STILL | | WITHIN THE LIMITS OF THE "RPV LEAK AND HYDROSTATIC TESTING" PT CURVE IN TS | | 3.4.11. RPV TEMPERATURE REMAINED AT 250øF. | | | | THE OPERATORS IMMEDIATELY TRIPPED THE OPERATING CRD PUMP PER THE RPV LEAK | | TEST PROCEDURE AND STABILIZED RPV PRESSURE AT 646 PSIG WITH AN RPV | | TEMPERATURE OF 251øF AND AN RPV LEVEL OF 325". THE PLANT IS CURRENTLY | | STABLE. | | | | ALL ECCS AND D/Gs ARE OPERABLE, AND NO ISOLATIONS OCCURRED. THE SCRAM | | REMAINS INSERTED. | | | | ALARM 'TYPER' DATA INDICATES THE SCRAM SIGNAL WAS FROM SCRAM DISCHARGE | | VOLUME HIGH LEVEL. TROUBLESHOOTING CONTINUES IN ORDER TO VERIFY THE SOURCE | | OF THE SCRAM SIGNAL. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | | | | HOO NOTE: SEE EVENT #34309 | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34314 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALISADES REGION: 3 |NOTIFICATION DATE: 06/01/98 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 00:25 [ET]| |RX TYPE: [1] CE |EVENT DATE: 05/31/98 | +------------------------------------------------+EVENT TIME: 23:30[EDT]| |NRC NOTIFIED BY: D VANDEWALLE |LAST UPDATE DATE: 06/01/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |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 N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SECOND SMALLER LEAK FOUND FURTHER UPSTREAM OF THE LEAK REPORTED BY THE | | LICENSEE IN EVENT #34312. | | | | A SECOND PIN HOLE LEAK IN THE 0.5" ASME 11 CLASS 1 PIPING ADJACENT TO AND | | UPSTREAM OF THE PRIMARY COOLANT SYSTEM SAMPLE LINE CONTAINMENT ISOLATION | | VALVE (CV-1910) WHICH IS OUTSIDE OF CONTAINMENT WAS DISCOVERED. THE LEAK IS | | FURTHER UPSTREAM ON THE SAME SECTION OF PIPING BUT COMING FROM A FURTHER | | UPSTREAM WELD AS THE LEAK REPORTED BY THE LICENSEE IN EVENT #34312. THE | | LEAK RATE IS LESS THAN ONE DROP EVERY 5 MINUTES. PRIMARY PLANT PRESSURE IS | | 2,260 psia, AND PRIMARY PLANT TEMPERATURE IS 532 DEGREES F. PRIMARY PLANT | | COOLANT ACTIVITY IS 5E-02 microcuries/ml. DURING THE REFUELING OUTAGE, THE | | LICENSEE REMOVED THE EXITING SECTION OF PRIMARY COOLANT SYSTEM SAMPLE | | PIPING AND TWO OUTSIDE CONTAINMENT ISOLATION VALVES ASSOCIATED WITH THE | | PIPING (CV-1910 & 1911) WERE REPLACED. WELD REPAIR PLANS HAVE BEEN | | DEVELOPED AND ARE BEING IMPLEMENTED. IN A COUPLE OF HOURS, THE LICENSEE | | WILL ISOLATE UPSTREAM MANUAL ISOLATION VALVES MV-PC-1045D (UPSTREAM | | ISOLATION VALVE FOR CV-1901, PRESSURIZER VAPOR PHASE VALVE ), MV-PC-1043C | | (UPSTREAM ISOLATION VALVE FOR CV-1902, PRESSURIZER LIQUID PHASE VALVE), AND | | MV-PC-1023C (UPSTREAM ISOLATION VALVE FOR CV-1903, PRIMARY COOLANT #2 HOT | | LEG VALVE) TO ISOLATE THE LEAKS REPORTED IN THIS EVENT AND IN EVENT #34312. | | THE LICENSEE WILL THEN REPAIR THE LEAKING WELDS, UNISOLATE THE REPAIRED | | WELDS AND THEN PERFORM A LEAK TEST INSPECTION OF THE NEWLY REPAIRED WELDS, | | FOR LEAKAGE. ALL THIS SHOULD BE ACCOMPLISHED BY MONDAY AFTERNOON. THE | | MANUAL ISOLATION VALVES MENTIONED ABOVE ARE LOCATED INSIDE CONTAINMENT. | | | | THE PLANT ENTERED TECHNICAL SPECIFICATION 4.5.2 c(1) BASED ON DECLARING THE | | PIPING INOPERABLE. THE PIPING WELD REPAIRS AND LEAKAGE TESTING SHOULD BE | | COMPLETED BEFORE TECHNICAL SPECIFICATION 4.5.2 c(1) 30-HOUR TIME LIMIT FOR | | ENTERING A COLD SHUTDOWN CONDITION HAS RUN OUT. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+