U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/11/98 - 02/12/98 ** EVENT NUMBERS ** 33683 33692 33693 33694 33695 33696 33697 33698 33699 33700 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33683 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 02/10/98 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 02:41 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/09/98 | +------------------------------------------------+EVENT TIME: 23:24[CST]| |NRC NOTIFIED BY: DOUG BOWMAN |LAST UPDATE DATE: 02/11/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM KOZAK 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 +------------------------------------------------------------------------------+ | WHILE RETURNING THE MAIN TURBINE TO SERVICE, ITS INTERCEPT AND REHEAT STOP | | VALVES UNEXPECTEDLY CLOSED. | | | | UNIT 1 WAS IN MODE 5 (COLD SHUTDOWN) WITH THE REACTOR TRIP BREAKERS OPEN | | AND ALL CONTROL RODS INSERTED. THE MAIN TURBINE WAS LATCHED WITH THE | | INTERCEPT AND REHEAT STOP VALVES OPEN AND THE THROTTLE VALVES AND GOVERNOR | | VALVES ISOLATED. A RETURN TO SERVICE WAS PROCESSED ON THE TURBINE TRIP | | CIRCUIT BREAKERS, WHICH (WHEN ENABLED) ALLOWED THE TURBINE TO TRIP DUE TO | | THE REACTOR TRIP BREAKERS BEING IN THE OPEN POSITION. THE INTERCEPT AND | | REHEAT STOP VALVES CLOSED WHEN THE TURBINE TRIP WAS RECEIVED. THERE WAS NO | | AFFECT ON THE PLANT FROM THE TURBINE TRIP. HUMAN ERROR WAS THE CAUSE OF | | THIS EVENT. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | * * * UPDATE ON 02/11/98 AT 1729 FROM STIMAC RECEIVED BY GOULD * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION AFTER FURTHER REVIEW OF | | THE UPDATED FINAL SAFETY ANALYSIS REPORT. IT WAS DETERMINED THAT THE | | CLOSURE OF THE REHEAT AND INTERCEPT VALVES IS NEITHER AN ENGINEERED SAFETY | | FEATURES (ESF) ACTUATION NOR A REACTOR PROTECTION SYSTEM (RPS) ACTUATION. | | THE SIGNAL THAT THE TURBINE HAS TRIPPED (i.e., THROTTLE AND GOVERNOR VALVES | | CLOSED OR ELECTRO-HYDRAULIC PRESSURE BELOW THE TECHNICAL SPECIFICATION | | SETPOINT) IS A SAFETY-RELATED CIRCUIT INTO RPS ABOVE THE P-8 SETPOINT (30% | | POWER). THE CIRCUIT THAT TRIPS THE TURBINE IS NON-SAFETY RELATED. IT IS A | | DESIGN FEATURE INSTALLED TO PREVENT AN UNNECESSARY ESF ACTUATION. IN | | ADDITION, THE TURBINE THROTTLE AND GOVERNOR VALVES AND THE MAIN STEAM | | ISOLATION VALVES WERE CLOSED DURING THIS EVENT BECAUSE THE UNIT WAS IN | | MODE 5. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. THE R3DO (KOZAK) | | WAS INFORMED BY THE NRC OPERATIONS CENTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33692 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 02/11/98 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 01:51 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 02/11/98 | +------------------------------------------------+EVENT TIME: 00:37[EST]| |NRC NOTIFIED BY: LEN CLEWETT |LAST UPDATE DATE: 02/11/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROBERT HAAG 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC TURBINE TRIP/REACTOR TRIP DUE TO THE LOSS OF INTEGRATED CONTROL | | SYSTEM POWER. | | | | A LOSS OF INTEGRATED CONTROL SYSTEM POWER (FOR UNKNOWN REASONS) CAUSED BOTH | | MAIN FEEDWATER PUMPS TO RUN BACK TO MINIMUM SPEED. FEEDWATER FLOW LESS | | THAN 17% WITH REACTOR POWER GREATER THAN 45% CAUSED THE ATWS (ANTICIPATED | | TRANSIENT WITHOUT SCRAM) MITIGATING SYSTEM ACTUATION CIRCUITRY (AMSAC) TO | | ACTUATE, AND AMSAC IN TURN INITIATED A TURBINE TRIP AND AN EMERGENCY | | FEEDWATER ACTUATION. THE TURBINE TRIP CAUSED AN AUTOMATIC REACTOR TRIP | | FROM 100% POWER (BECAUSE THE REACTOR WAS AT GREATER THAN 45% POWER). ALL | | CONTROL RODS FULLY INSERTED. SECONDARY SAFETY RELIEF VALVES OPENED AND | | RECLOSED. ALL SYSTEMS FUNCTIONED AS REQUIRED, AND THERE WAS NOTHING THAT | | WAS UNUSUAL OR NOT UNDERSTOOD. | | | | THE REACTOR IS CURRENTLY STABLE IN MODE 3. PRESSURIZER HEATERS AND SPRAYS | | AND NORMAL CHARGING AND MAKEUP ARE BEING USED FOR PRIMARY PRESSURE AND | | INVENTORY CONTROL. EMERGENCY FEEDWATER IS BEING USED TO SUPPLY WATER TO | | THE STEAM GENERATORS, AND SECONDARY STEAM IS BEING DUMPED TO THE ATMOSPHERE | | VIA THE ATMOSPHERIC DUMP VALVES. (THE TURBINE BYPASS VALVES THAT GO TO THE | | CONDENSER FAIL CLOSED ON A LOSS OF INTEGRATED CONTROL SYSTEM POWER, AND | | THEY CANNOT BE CONTROLLED IN AUTOMATIC DUE TO THIS LOSS.) | | | | THE LICENSEE STATED THAT THERE WAS A SMALL PRE-EXISTING STEAM GENERATOR | | TUBE LEAK (ESTIMATED TO BE APPROXIMATELY 13 GALLONS PER DAY). THE LICENSEE | | ALSO STATED THAT PRE-EXISTING PRIMARY ACTIVITY WAS WELL BELOW ANY LIMITS. | | | | THE CAUSE FOR THE LOSS OF INTEGRATED CONTROL SYSTEM POWER IS CURRENTLY | | UNDER INVESTIGATION. THERE WERE NO MAINTENANCE OR SURVEILLANCE ACTIVITIES | | ONGOING AT THE TIME OF THE EVENT. A RESTART DATE HAS NOT YET BEEN | | DETERMINED. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND PLANS TO MAKE A PRESS | | RELEASE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33693 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 02/11/98 | |UNIT: [ ] [2] [ ] STATE: NJ |NOTIFICATION TIME: 13:55 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/11/98 | +------------------------------------------------+EVENT TIME: 10:34[EST]| |NRC NOTIFIED BY: GUMBERT |LAST UPDATE DATE: 02/11/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MOHAMED SHANBAKY RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | PLAN TO SHUT UNIT DOWN DUE TO INOPERABLE EMERGENCY DIESEL GENERATOR (EDG) | | | | UPON THE COMPLETION OF MAINTENANCE WORK ON THE '2A' EDG, A SURVEILLANCE | | TEST (1-HOUR LOAD RUN AT 2,600 KW) WAS PERFORMED TO VERIFY OPERABILITY. THE | | DIESEL HAD BEEN RUNNING FOR 49 MINUTES WHEN A LOUD NOISE WAS HEARD BY THE | | OPERATOR AT THE UNIT. THE EDG STARTED LOSING LOAD (REDUCED FROM 2,600 KW | | TO 600 KW). THE OPERATOR OPENED THE OUTPUT BREAKER AND SHUT DOWN THE | | DIESEL. PRELIMINARY INSPECTION INDICATES POSSIBLE FAILURE OF THE | | TURBOCHARGER. FURTHER INVESTIGATION INTO THE CAUSE OF THE FAILURE IS | | ONGOING. | | | | THE '2A' EDG HAD BEEN REMOVED FROM SERVICE ON 02/09/98 AT 0300 WITH AN | | ALLOWABLE OUTAGE TIME OF 72 HOURS. IT IS NOT EXPECTED THAT THE DIESEL CAN | | BE REPAIRED WITHIN THE REMAINING 13 HOURS. THEREFORE, UNIT 2 WILL BE SHUT | | DOWN AND COOLED DOWN TO MODE 5. THE '2B' AND '2C' EDGs ARE OPERABLE. THE | | LICENSEE PLANS TO COMMENCE THE UNIT SHUTDOWN AT 1400. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33694 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/11/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 14:34 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/10/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 15:20[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/11/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |THOMAS KOZAK RDO | | DOCKET: 0707002 |DON COOL, NMSS EO | +------------------------------------------------+STUART RUBIN, AEOD IRD | |NRC NOTIFIED BY: SPAETH | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BULLETIN 91-01 RESPONSE (24-HOUR REPORT) | | | | OPERATIONS PERSONNEL DISCOVERED A NON-COMPLIANCE WITH A NUCLEAR CRITICALITY | | SAFETY APPROVAL (NCSA) WHEN THEY IDENTIFIED THREE SPACING VIOLATIONS IN THE | | X-333 PROCESS BUILDING. A SAMPLE ANALYZING (FTIR) BUGGY WAS LESS THAN THE | | REQUIRED 2-FOOT SPACING FROM A DRY WASTE CONTAINER (BURN BAG) AND A WATER | | SOLUBLE ANTI-C (LAUNDRY) BAG. ADDITIONALLY, A USED TRAP FROM THE BUGGY WAS | | FOUND TO BE LESS THAN 2 FEET FROM THE LAUNDRY BAG, AND ANOTHER TRAP WAS | | LESS THAN 2 FEET FROM THE BURN BAG. | | | | THESE SPACING DEFICIENCIES WERE PROMPTLY CORRECTED. IT WAS DETERMINED THAT | | THE SPACING DEFICIENCIES IDENTIFIED CONSTITUTED A LOSS OF ONE CONTROL | | (SPACING) AS DEFINED IN NCSA PLANT 031.A02, CONTINGENCY EVENT A/B.7.1, | | CONTROL 'A,' REQUIREMENT #3, WHICH REQUIRES 2-FOOT EDGE-TO-EDGE SPACING | | BETWEEN THE BUGGY AND OTHER URANIUM-BEARING MATERIALS AND NCSA PLANT | | 018.A01, CONTINGENCY EVENT B.7.1, CONTROL 'A,' REQUIREMENT #13. CONTROL | | 'B' (MASS) WAS MAINTAINED THROUGHOUT THIS EVENT. | | | | THERE WAS NO LOSS OF HAZARDOUS OR RADIOACTIVE MATERIAL OR RADIOACTIVE OR | | RADIOLOGICAL CONTAMINATION EXPOSURE AS A RESULT OF THIS EVENT. CRITICALITY | | WAS NOT POSSIBLE DUE TO MAINTAINING MASS CONTROLS. LOSS OF BOTH SPACING | | AND MASS CONTROLS COULD LEAD TO CRITICALITY. CONTROL 'A' (SPACING) WAS | | LOST, AND CONTROL 'B' (MASS) WAS MAINTAINED. THERE WAS A 3% ENRICHMENT | | RESTRICTION AT THE FACILITY, AND THE FORM OF URANIUM WAS UO2F2. | | | | PORTSMOUTH PERSONNEL INFORMED THE NRC RESIDENT INSPECTOR AND SITE | | DEPARTMENT OF ENERGY REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33695 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/11/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 14:38 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/10/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:45[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/11/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |THOMAS KOZAK RDO | | DOCKET: 0707002 |DON COOL, NMSS EO | +------------------------------------------------+STUART RUBIN, AEOD IRD | |NRC NOTIFIED BY: SPAETH | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BULLETIN 91-01 RESPONSE (24-HOUR REPORT) | | | | OPERATIONS PERSONNEL DETERMINED THAT A NON-COMPLIANCE WITH A NUCLEAR | | CRITICALITY SAFETY APPROVAL (NCSA) EXISTED WHEN THEY DISCOVERED A SMALL | | CONTAINER CART THAT WAS NOT DESIGNED IN SUCH A WAY THAT IT WOULD PREVENT A | | SPILL FROM ACCUMULATING TO A DEPTH > 1.5". NSCA PLANT 037.A01, PART 'B,' | | REQUIREMENT #3, STATES THAT CARTS SHALL BE DESIGNED SUCH THAT THEY WILL NOT | | CONFINE A SPILL TO A DEPTH > 1.5". THIS LOSS OF GEOMETRY CONTROL | | CONSTITUTES A LOSS OF ONE CONTROL IN THE DOUBLE CONTINGENCY MATRIX FOR | | CONTINGENCY EVENT A/B.4.1.a, CONTROL 'B.' CONTROL 'A' (THE PHYSICAL | | INTEGRITY OF THE SMALL CONTAINER WALLS AND LIDS PROVIDES A BARRIER AGAINST | | SPILLING THE MATERIAL.) WAS MAINTAINED THROUGHOUT THE EVENT. AS A RESULT | | OF THIS DISCOVERY, AN IMMEDIATE INSPECTION OF ALL CONTAINER CARTS IN USE | | WAS CONDUCTED FOR SIMILAR DISCREPANCIES, BUT NO ADDITIONAL DISCREPANCIES | | WERE DISCOVERED. | | | | THERE WAS NO LOSS OF HAZARDOUS OR RADIOACTIVE MATERIAL OR RADIOACTIVE OR | | RADIOLOGICAL CONTAMINATION EXPOSURE AS A RESULT OF THIS EVENT. IN THE | | EVENT OF A CONTAINER LEAK (WHILE BEING TRANSPORTED/STORED ON THE CART), | | FISSILE SOLUTION COULD POTENTIALLY ACCUMULATE IN THE HOLDER AT AN UNSAFE | | HEIGHT. GEOMETRY WAS LOST, BUT CONTAINER INTEGRITY WAS MAINTAINED. THE | | SMALL DIAMETER CART HAD CONTAINER HOLDERS WHICH WERE NOT DESIGNED TO | | PREVENT THE SOLUTION FROM COLLECTING > 1.5" IN HEIGHT IN THE EVENT OF A | | SPILL. | | | | PORTSMOUTH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR AND DEPARTMENT OF | | ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33696 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/11/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 15:00 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/11/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 09:30[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/11/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |THOMAS KOZAK RDO | | DOCKET: 0707002 |DON COOL, NMSS EO | +------------------------------------------------+STUART RUBIN, AEOD IRD | |NRC NOTIFIED BY: CRABTREE | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - NRC BULLETIN 91-01 RESPONSE (4-HOUR REPORT) - | | | | AT 0930 ON 01/27/98, PORTSMOUTH ENGINEERING PERSONNEL SUBMITTED A PROBLEM | | REPORT (#PR-PTS-98-00580) WHICH IDENTIFIED AN INADEQUATE ANALYSIS IN THE | | NUCLEAR CRITICALITY SAFETY EVALUATION WHICH CAUSED A CONTROL CONTAINED IN | | THE NUCLEAR CRITICALITY SAFETY APPROVAL (NCSA) TO BE DEEMED INADEQUATE. IN | | THIS INSTANCE, THE AFFECTED NCSA GOVERNED THE REMOVAL AND HANDLING OF | | PLANNED EXPEDITIOUS HANDLING (PEH) EQUIPMENT. PEH EQUIPMENT IS DEFINED AS | | EQUIPMENT THAT HAS BEEN IDENTIFIED AS CONTAINING MORE THAN A SAFE MASS OF | | FISSIONABLE MATERIAL. | | | | ANY OPERATION THAT INVOLVES MORE THAN A SAFE MASS OF FISSIONABLE MATERIAL | | AND A CRITICALITY SAFETY ANALYSIS THAT WAS DEFICIENT IS REPORTABLE TO THE | | NRC WITHIN 4 HOURS. HOWEVER, THIS EVENT WAS NOT INITIALLY REPORTED TO THE | | NRC. | | | | ON 02/10/98, AN NRC INSPECTOR IDENTIFIED THAT THE PROBLEM REPORT SHOULD | | HAVE BEEN PROCESSED AS A REPORTABLE EVENT ON 01/27/98. THIS PROBLEM REPORT | | WAS SUBSEQUENTLY REVIEWED BY PORTSMOUTH OPERATIONS MANAGEMENT PERSONNEL AND | | NUCLEAR CRITICALITY SAFETY DEPARTMENT PERSONNEL WHO DETERMINED THAT THIS | | INCIDENT WAS REPORTABLE TO THE NRC AS A 4-HOUR EVENT. | | | | PORTSMOUTH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR AND THE DEPARTMENT | | OF ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33697 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/11/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 15:25 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/11/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 11:33[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/11/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |THOMAS KOZAK RDO | | DOCKET: 0707002 |DON COOL, NMSS EO | +------------------------------------------------+STUART RUBIN IRD | |NRC NOTIFIED BY: SISLER | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - NRC BULLETIN 91-01 RESPONSE (4-HOUR REPORT) - | | | | AT 1133 ON 02/11/98, WHILE PERFORMING AN INSPECTION, BUILDING PERSONNEL | | DISCOVERED THAT A NUCLEAR CRITICALITY SAFETY APPROVAL (NCSA) REQUIREMENT | | WAS NOT BEING MAINTAINED IN THE X-333 PROCESS BUILDING. REQUIREMENTS #9, | | #10, AND #11 OF NCSA-PLANT 064.A00, "HANDLING AND STORAGE OF SEALS IN | | X-326, X-330, AND X-333," WERE NOT MET. | | | | REQUIREMENT #9 STATES: "NO OPEN SEAL CAN SHALL BE LEFT UNATTENDED." | | REQUIREMENT #10 STATES: "SEAL CANS SHALL BE STORED AND MOVED WITH NO MORE | | THAN 50 SEAL CANS PER GROUP." REQUIREMENT #11 STATES: "A GROUP OF SEAL | | CANS SHALL BE KEPT AT LEAST 4 FEET FROM OTHER URANIUM-BEARING MATERIAL | | EXCEPT THE GROUP IT IS BEING MOVED TO OR FROM." VIOLATION OF THESE | | REQUIREMENTS CONSTITUTES A LOSS OF TWO CONTROLS (INTERACTION AND MODERATION | | CONTROL) FOR EACH PART 'B' CONTINGENCY ANALYSIS B.7.1 AND B.7.2. | | | | NUMBERS OF CONTAMINATED SEALS STORED IN A GROUP ABOVE THE ALLOWABLE LIMIT | | OF 50 AND WITHIN 4 FEET OF OTHER URANIUM-BEARING MATERIALS COULD CONTAIN | | GREATER THAN A SAFE MASS OF U-235. SEALS IN THIS GROUP THAT ARE NOT STORED | | UPRIGHT IN APPROVED SEAL CANS COULD BE EXPOSED TO MODERATION RESULTING IN | | AN INCREASE TO THE HYDROGEN/URANIUM RATIO. | | | | CONTINGENCY B.7.1: CONTROL 'A' (INTERACTION) WAS VIOLATED WHEN 52 SEALS | | WERE FOUND IN 1 GROUP. CONTROL 'B' (MODERATION) WAS VIOLATED WHEN SEALS | | WERE FOUND NOT STORED IN SEAL CANS. | | | | CONTINGENCY B.7.2: CONTROL 'A' (INTERACTION) WAS VIOLATED WHEN A GROUP OF | | SEALS WAS FOUND TO BE LESS THAN 4 FEET FROM OTHER URANIUM-BEARING | | MATERIALS. CONTROL 'B' (MODERATION) WAS VIOLATED WHEN SEALS WERE FOUND NOT | | STORED IN SEAL CANS. | | | | COMPLIANCE IS BEING RE-ESTABLISHED. | | | | THERE WAS NO LOSS OR RELEASE OF HAZARDOUS OR RADIOACTIVE MATERIALS OR | | RADIOACTIVE OR RADIOLOGICAL CONTAMINATION EXPOSURES AS A RESULT OF THIS | | EVENT. | | | | PLANT PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR AND THE DEPARTMENT OF | | ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33698 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 02/11/98 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 16:08 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 02/10/98 | +------------------------------------------------+EVENT TIME: 16:40[EST]| |NRC NOTIFIED BY: DICK MESSINA |LAST UPDATE DATE: 02/11/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MOHAMED SHANBAKY RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | FITNESS-FOR-DUTY EVENT - LICENSEE SUPERVISOR FAILED A FOR-CAUSE DRUG TEST - | | | | ON 01/26/98, A LICENSEE SUPERVISOR WITH PLANT VITAL AREA ACCESS WAS GIVEN | | A RANDOM DRUG TEST. BECAUSE OF THE RESULTS OF THIS TEST WERE RECEIVED BY | | THE LICENSEE ON 02/10/98, THE LICENSEE TESTED THE SUPERVISOR FOR-CAUSE ON | | 02/10/98. THE SUPERVISOR FAILED THIS TEST. THE LICENSEE SUSPENDED THE | | SUPERVISOR'S PLANT ACCESS AUTHORIZATION, SUSPENDED HIM FOR 14 DAYS WITHOUT | | PAY, AND REFERRED HIM TO THE EMPLOYEE'S ASSISTANCE PROGRAM FOR ASSESSMENT. | | THE LICENSEE IS REVIEWING THE SUPERVISOR'S WORK BACK THROUGH 11/97. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33699 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 02/11/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 16:18 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/11/98 | +------------------------------------------------+EVENT TIME: 15:00[EST]| |NRC NOTIFIED BY: PTACEK |LAST UPDATE DATE: 02/11/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS KOZAK RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE ICE CONDENSER WEIGHTS USED TO DETERMINE COMPLIANCE WITH TECHNICAL | | SPECIFICATIONS (TS) MAY NOT CONSTITUTE A REPRESENTATIVE SAMPLE. | | | | TECHNICAL SPECIFICATIONS REQUIRE THAT ICE CONDENSERS BE DIVIDED INTO 3 | | GROUPS OF BASKETS AND THAT THE AVERAGE ICE WEIGHT OF SAMPLE BASKETS FROM | | THE RADIAL ROWS 1, 2, 4, 6, 8, AND 9 IN EACH GROUP CONTAIN AT LEAST 1,333 | | POUNDS PER BASKET AT 95% CONFIDENCE LEVEL. (NOTE: DURING OPERATION, 1,222 | | POUNDS PER BASKET WAS THE TS REQUIREMENT. THE WEIGHT PER BASKET WAS | | CHANGED TO 1,333 POUNDS PER BASKET DURING THEIR UNIT OUTAGES.) IN | | ADDITION, THE TS REQUIRES A TOTAL ICE CONDENSER ICE WEIGHT OF 2,590,000 | | POUNDS. COMPLIANCE WITH THE TS HAD PREVIOUSLY BEEN DEMONSTRATED BY A | | STATISTICAL ANALYSIS OF SAMPLES WHICH WERE CONSIDERED REPRESENTATIVE EVEN | | THOUGH SOME BASKETS CANNOT BE WEIGHED, AS ACKNOWLEDGED BY BOTH THE TSs AND | | THE UPDATED FINAL SAFETY ANALYSIS REPORT. VISUAL SURVEYS OF ICE BASKETS | | INDICATE THAT SOME BASKETS IN BOTH UNITS (PREDOMINANTLY IN RADIAL ROW 9 BUT | | ALSO RADIAL ROW 8 AND AZIMUTHAL ROW 5) SHOW ICE LOSS DUE TO SUBLIMATION. | | THEREFORE, THERE IS A QUESTION AS TO WHETHER THE ICE WEIGHTS USED TO | | DEMONSTRATE TS COMPLIANCE CONSTITUTES A REPRESENTATIVE SAMPLE OF THE TOTAL | | POPULATION OF ICE WEIGHTS IN THESE ROWS. ADDITIONAL DATA (WEIGHTS OF ICE | | IN BASKETS NOT RECENTLY WEIGHED) IS NEEDED TO DETERMINE WHETHER THE CURRENT | | SAMPLE IS REPRESENTATIVE FOR BOTH UNITS. | | | | THIS CONDITION WAS DISCOVERED DURING REVIEW OF ICE WEIGHT DATA AND RESULTS | | OF VISUAL SURVEYS OF ICE BASKETS IN BOTH UNITS. | | | | BOTH UNITS' ICE CONDENSERS ARE PRESENTLY INOPERABLE DUE TO ONGOING | | MAINTENANCE. AN ESTIMATE OF THE TOTAL ICE MASS IN THE UNIT 2 ICE CONDENSER | | WAS MADE (ASSUMING CONSERVATIVELY LOW WEIGHTS IN THE BASKETS WHICH HAVE NOT | | BEEN RECENTLY WEIGHED). THIS ESTIMATE INDICATED THAT THE TOTAL TS ICE MASS | | WAS MET. A SIMILAR ANALYSIS IS BEING COMPLETED FOR UNIT 1. THE LICENSEE | | IS CONTINUING TO EVALUATE COMPLIANCE WITH ICE CONDENSER ICE WEIGHT | | REQUIREMENTS. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33700 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 02/11/98 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 17:30 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 02/11/98 | +------------------------------------------------+EVENT TIME: 14:41[EST]| |NRC NOTIFIED BY: RON STRICKLAND |LAST UPDATE DATE: 02/11/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MOHAMED SHANBAKY 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - SEAL SKULL FOUND IN PLANT'S CIRCULATING WATER SCREEN DEBRIS - | | | | IN ACCORDANCE WITH THE PROVISIONS OF THE MARINE MAMMAL PROTECTION ACT, THE | | LICENSEE NOTIFIED THE NATIONAL MARINE FISHERIES SERVICE IN GLOUCESTER, | | MASSACHUSETTS, THAT A SEAL SKULL WAS FOUND IN THE PLANT'S CIRCULATING WATER | | SCREEN DEBRIS. THE SKULL APPEARS TO BE SEVERAL MONTHS OLD. | | | | THIS 24-HOUR NOTIFICATION IS BEING MADE PER SECTION 4.1 OF THE PLANT | | ENVIRONMENTAL PROTECTION PLAN, APPENDIX B OF THE PLANT'S OPERATING | | LICENSEE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+