U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/28/97 - 07/29/97 ** EVENT NUMBERS ** 32686 32687 32688 32689 32690 32691 32692 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32686 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 07/28/97 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 05:33 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 07/28/97 | +------------------------------------------------+EVENT TIME: 01:39[CDT]| |NRC NOTIFIED BY: GADBOIS |LAST UPDATE DATE: 07/28/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM GAVULA 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 | M/R Y 87 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR SCRAM FROM 87% POWER FOLLOWING A REACTOR FEEDWATER PUMP | | TRIP. | | | | THIS OCCURRED WHILE THE REACTOR FEEDWATER PUMPS WERE BEING SWAPPED TO TAKE | | THE MINIMUM FLOW VALVE FOR THE "B" REACTOR FEEDWATER PUMP OUT OF SERVICE. | | THE MINIMUM FLOW VALVE WAS BEING REMOVED FROM SERVICE BECAUSE IT HAD FAILED | | OPEN ON THE PREVIOUS SHIFT. DURING THE PUMP SWAP, REACTOR VESSEL WATER | | LEVEL STARTED TO INCREASE AND THE OPERATOR TOOK MANUAL CONTROL OF THE | | FEEDWATER SYSTEM. THEN REACTOR VESSEL WATER LEVEL DECREASED TO THE LOW | | ALARM SETPOINT (25 INCHES) AND THE "C" REACTOR FEEDWATER PUMP TRIPPED. | | AT THAT POINT, THE OPERATOR WAS DIRECTED TO MANUALLY SCRAM THE REACTOR. | | ALL RODS FULLY INSERTED, NO SAFETY/RELIEF VALVES LIFTED AND NO ECCS | | INJECTION OCCURRED. PCIS GROUP 2 & 3 ISOLATIONS OCCURRED, AS EXPECTED. | | THE REACTOR IS CURRENTLY COOLING DOWN NORMALLY WITH THE RWCU SYSTEM | | AND AUXILIARY STEAM LOADS. THE CAUSE OF REACTOR VESSEL WATER LEVEL | | FLUCTUATIONS IS UNKNOWN AND BEING INVESTIGATED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32687 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 07/28/97 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 05:42 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 07/28/97 | +------------------------------------------------+EVENT TIME: 03:29[EDT]| |NRC NOTIFIED BY: MCKEE |LAST UPDATE DATE: 07/28/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GLENN MEYER RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTAINMENT VENTILATION ISOLATION ON A HIGH RADIATION MONITOR ALARM. | | | | DURING FUEL HANDLING ACTIVITIES (CORE RELOAD), THE CONTAINMENT VENTILATION | | SYSTEM ACTUATED RESULTING IN A CONTAINMENT VENTILATION ISOLATION. THE | | INITIATING SIGNAL WAS A HIGH RADIATION ALARM SPIKE ON THE "R-14" PLANT | | VENTILATION RADIOGAS MONITOR. THIS WAS CAUSED BY DIRECT "RADIATION SHINE" | | FROM A NEUTRON SOURCE IN THE FUEL ASSEMBLY BEING MOVED. THE ISOLATION WAS | | RESET WITHIN 17 MINUTES. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32688 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 07/28/97 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 08:42 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 07/27/97 | +------------------------------------------------+EVENT TIME: 09:20[EDT]| |NRC NOTIFIED BY: ARSENAULT |LAST UPDATE DATE: 07/28/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED A DEAD SEAL IN THE SCREEN WASH TRENCH. | | | | THIS DISCOVERY WILL BE REPORTED TO THE NATIONAL MARINE FISHERIES PER | | APPENDIX B OF THE PLANT TECHNICAL SPECIFICATIONS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | NOTE: REFER TO EVENT #32656 FOR A RELATED EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 32689 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 07/28/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 11:06 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 07/28/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 08:45[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 07/28/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |WAYNE KROPP RDO | | DOCKET: 0707002 |FRED COMBS, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: CRABTREE | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NCFR NON CFR REPORT REQMNT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED TO THE OHIO EPA THAT THEY EXCEEDED THEIR OPACITY | | LIMIT FROM THEIR FOSSIL BOILER. | | | | THE LICENSEE EXCEEDED THEIR OPACITY LIMIT OF 20%. THE ACTUAL READINGS WERE | | 76-100% OVER A 24 MINUTE PERIOD. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 32690 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BABCOCK & WILCOX CO. |NOTIFICATION DATE: 07/28/97 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 14:51 [ET]| |COMMENTS: HEU FABRICATION & SCRAP RECOVERY |EVENT DATE: 07/28/97 | | NAVAL REACTOR FUEL |EVENT TIME: 08:00[EDT]| | |LAST UPDATE DATE: 07/28/97 | | CITY: LYNCHBURG REGION: 2 +-----------------------------+ | COUNTY: CAMPBELL STATE: VA |PERSON ORGANIZATION| |LICENSE#: SNM-42 AGREEMENT: N |KERRY LANDIS RDO | | DOCKET: 07000027 |FRED COMBS, NMSS EO | +------------------------------------------------+RICH BARRETT IRD | |NRC NOTIFIED BY: MARK ELLIOTT | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - LOSS OF SNM NUCLEAR CRITICALITY SAFETY MASS & MODERATION CONTROL BARRIERS | | | | AT 0800 ON 07/28/97, BABCOCK & WILCOX NAVAL NUCLEAR FUEL DIVISION | | PERSONNEL DISCOVERED A TRANSPORT CART IN THE URANIUM RECOVERY AREA OF | | THE #12A BAY WITH THREE OF ITS FOUR STORAGE UNITS IN VIOLATION OF THE | | NUCLEAR CRITICALITY SAFETY POSTINGS ON THE CART. THE POSTING LIMITS | | EACH STORAGE UNIT TO A MAXIMUM OF 350 GRAMS OF U-235 WITH GREATER THAN 20 | | HYDROGENOUS-MATERIAL-TO-FISSILE-MATERIAL (H/X) RATIO. | | | | ONE STORAGE UNIT HAD A MASS OF 907.3 GRAMS OF U-235, A SECOND UNIT HAD A | | MASS OF 684.5 GRAMS OF U-235, AND A THIRD UNIT HAD A MASS OF 728.4 GRAMS | | OF U-235. ALL THREE OF THESE UNITS HAD A DOCUMENTED H/X RATIO OF GREATER | | THAN 20. | | | | EACH STORAGE UNIT HAD FOUR ONE-GALLON CANS CONTAINING CUT-UP SCRAP PIECES | | OF RADIOACTIVE FUEL ELEMENTS (SPECIAL NUCLEAR MATERIAL) INTENDED FOR | | URANIUM RECOVERY. THE PIECES HAD ORIGINALLY BEEN PLACED IN FIVE-GALLON | | CANS BUT HAD BEEN REPACKAGED INTO ONE-GALLON CANS FOR UNKNOWN REASONS. | | | | PLANT OPERATIONS PERSONNEL ISOLATED THE TRANSPORT CART, REMOVED THE CANS | | FROM THE CART, AND PLACED THE CANS ON OTHER CARTS TO REESTABLISH THE | | NUCLEAR CRITICALITY SAFETY BARRIERS (LESS THAN A TOTAL OF 350 GRAMS OF | | U-235 IN EACH STORAGE UNIT) TO BRING THE SITUATION INTO COMPLIANCE WITHOUT | | MODIFYING ANY CONTROLS. | | | | THE LICENSEE HAS SUSPENDED ALL SUCH PLANT OPERATIONS AND IS INVESTIGATING | | THE ROOT CAUSE OF THIS SITUATION AND DETERMINING CORRECTIVE ACTIONS. | | | | THE LICENSEE IS REPORTING THIS EVENT AS A LOSS OF NUCLEAR CRITICALITY | | SAFETY CONTROL BARRIERS, 24 HOUR REPORT IN ACCORDANCE WITH NRC BULLETIN | | 91-01. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND DISCUSSED THIS EVENT | | WITH REGION 2 ED McALPINE, ET AL, AND HQ NMSS JACK DAVIS, ET AL. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32691 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 07/28/97 | |UNIT: [1] [2] [ ] STATE: FL |NOTIFICATION TIME: 18:22 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 07/28/97 | +------------------------------------------------+EVENT TIME: 18:00[EDT]| |NRC NOTIFIED BY: DAVE WILLIAMS |LAST UPDATE DATE: 07/28/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KERRY LANDIS RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - 15 INOP FIRE PENETRATION SEALS PER NRC IN 94-28 (10CFR50, APPENDIX R) - | | | | A REVIEW OF MECHANICAL FIRE PENETRATION SEALS AT UNITS 1 AND 2 PERFORMED | | IN RESPONSE TO NRC INFORMATION NOTICE 94-28 CONCLUDED THAT SEVEN FIRE | | PENETRATION SEALS ON UNIT 1 AND EIGHT FIRE PENETRATION SEALS ON UNIT 2 DO | | NOT MEET THE 3 HOUR FIRE BARRIER RATING REQUIRED BY 10CFR50, APPENDIX R. | | | | 228 OF 365 TOTAL FIRE PENETRATION SEALS ON UNITS 1 AND 2 WERE SELECTED FOR | | FURTHER EVALUATION AS THEY ARE NOT DIRECTLY BOUNDED BY TEST DATA. SEALS | | THAT WERE SUBSEQUENTLY DETERMINED NOT TO MEET THE 3 HOUR CRITERIA WERE | | DIVIDED INTO TWO CATEGORIES; (1) THOSE SEALS THAT WERE FOUND TO HAVE | | EXCEEDED DESIGN LIMITATIONS FOR OPERATING TEMPERATURE OR PIPE MOVEMENT, AND | | (2) THOSE SEALS FOR WHICH IT COULD NOT BE VERIFIED THAT THE ACTUAL | | INSTALLED SEAL CONFIGURATION WAS BOUNDED BY TESTED CONFIGURATIONS. | | | | THE LICENSEE GENERATED FIRE BREACH PERMITS AND POSTED HOURLY ROVING FIRE | | WATCHES FOR ALL INOPERABLE FIRE PENETRATION SEALS TO ENSURE COMPLIANCE WITH | | THE 10CFR50, APPENDIX R FIRE PROTECTION PROGRAM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32692 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 07/29/97 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 02:26 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 07/29/97 | +------------------------------------------------+EVENT TIME: 02:04[EDT]| |NRC NOTIFIED BY: LATZ |LAST UPDATE DATE: 07/29/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFEGUARDS SYSTEM DEGRADATION RELATED TO SECURITY COMPUTER AND ALARMS. | | COMPENSATORY MEASURES IN PLACE WITHIN 10 MINUTES. REFER TO HOO LOG FOR | | ADDITIONAL DETAILS. THE RESIDENT INSPECTOR, STATE AND LOCAL AGENCIES WERE | | NOTIFIED. | +------------------------------------------------------------------------------+