U.S. Nuclear Regulatory Commission Operations Center Event Reports For 03/11/98 - 03/12/98 ** EVENT NUMBERS ** 33860 33867 33876 33877 33878 33879 33880 33881 33882 33883 33884 33885 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33860 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 03/08/98 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 21:18 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 03/08/98 | +------------------------------------------------+EVENT TIME: 16:35[CST]| |NRC NOTIFIED BY: WILLIAM GREEN |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM STETKA 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATIONS REGARDING THE CLOSING OF LOCAL ROADS DUE TO SEVERE | | WEATHER CONDITIONS | | | | AT 1635 CST ON 03/08/98, THE LICENSEE INFORMED THE DUTY OFFICER FOR THE | | STATE OF NEBRASKA THAT LOCAL ROADS HAD BEEN CLOSED BY NEMAHA COUNTY | | OFFICIALS DUE TO SNOW AND WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. | | AS A RESULT, THE STATE OF NEBRASKA WOULD NOT BE ABLE TO MEET THE EVACUATION | | REQUIREMENTS OF THEIR EMERGENCY PLAN. AT 1655 CST, THE LICENSEE ALSO | | INFORMED THE DUTY OFFICER OF THE STATE OF MISSOURI THAT LOCAL ROADS HAD | | BEEN CLOSED BY ATCHISON COUNTY OFFICIALS DUE TO SNOW AND WINDS CAUSING | | HAZARDOUS DRIVING CONDITIONS. AS A RESULT, THE STATE OF MISSOURI WOULD NOT | | BE ABLE TO MEET THE EVACUATION REQUIREMENTS OF THEIR EMERGENCY PLAN. | | | | THE NATIONAL WEATHER SERVICE IN OMAHA, NEBRASKA, INDICATED THAT NEW | | SNOWFALL SHOULD STOP AT 1900 CST BUT THAT HIGH WINDS (WINDS WITH GUSTS OF | | 40 TO 45 MILES PER HOUR) WOULD CONTINUE UNTIL MIDNIGHT. THEN, WIND SPEEDS | | ARE PREDICTED TO LOWER TO 15 TO 20 MILES PER HOUR. APPROXIMATELY ONE FOOT | | OF SNOW HAS CURRENTLY FALLEN. | | | | AT THIS TIME, THE REACTOR IS IN COLD SHUTDOWN WITH A REACTOR COOLANT | | TEMPERATURE BAND OF 100øF TO 110øF. BOTH ONSITE EMERGENCY DIESEL | | GENERATORS ARE OPERABLE, AND THE OFFSITE POWER GRID IS STABLE AND | | AVAILABLE. | | | | AT 1700 CST, A DECISION WAS MADE TO CALL ALL OPERATIONS DEPARTMENT | | PERSONNEL WHO WERE SCHEDULED TO REPORT FOR THE NEXT SHIFT AND INFORM THEM | | THAT ALL ROADS TO THE SITE HAD BEEN CLOSED AND THAT PERSONNEL SHOULD NOT | | ATTEMPT TO REPORT TO THE SITE. THE LICENSEE STATED THAT EXTRA PERSONNEL | | ARE CURRENTLY ONSITE AS A RESULT OF THE UNIT BEING IN A PLANNED MID-CYCLE | | OUTAGE. SOME OUTAGE SUPPORT PERSONNEL HAVE REPORTED TO THE SITE AND HAVE | | INDICATED THAT ROADS ARE PASSABLE WITH FOUR-WHEEL DRIVE VEHICLES. | | | | THE OPERATIONS DEPARTMENT CURRENTLY HAS ENOUGH PERSONNEL ONSITE TO MEET | | THE MINIMUM REQUIRED PLANT STAFFING FOR TWO SHIFTS (INCLUDING SHIFT | | SUPERVISORS, SENIOR REACTOR OPERATORS, LICENSED OPERATORS, STATION | | OPERATORS, SHIFT TECHNICAL ADVISORS, AND FIRE BRIGADE MEMBERS). LICENSEE | | PERSONNEL WORK 12-HOUR SHIFTS. | | | | AN EVALUATION OF PERSONNEL ONSITE INDICATED THAT THE SITE WILL BE ABLE TO | | STAFF THE ONSITE EMERGENCY RESPONSE ORGANIZATION (IF NECESSARY) WITH THE | | MINIMUM NUMBER OF REQUIRED PERSONNEL (ALTHOUGH SOME RESPONDENTS WOULD NOT | | MEET FULL QUALIFICATION REQUIREMENTS). CURRENTLY, THE SECURITY DEPARTMENT | | GUARD FORCE IS FOLLOWING THE APPROPRIATE SAFEGUARDS PROCEDURES FOR A | | WEATHER-RELATED EVENT. AT THIS TIME, THE LICENSEE PLANS TO DELAY THE | | REACTOR STARTUP THAT WAS SCHEDULED FOR 03/09/98 UNTIL MAJOR ROADS TO THE | | SITE AND EVACUATION ROUTES ARE CLEAR. | | | | THE SENIOR RESIDENT INSPECTOR HAS BEEN INFORMED AND IS CURRENTLY ON SITE. | | | | * * * UPDATE AT 1157 ON 03/11/98 FROM BILL GREEN TAKEN BY JOLLIFFE * * * | | | | STATE AUTHORITIES FROM NEBRASKA AND MISSOURI REPORTED TO THE LICENSEE THAT | | EVACUATION ROUTES NEAR THE SITE HAVE BEEN CLEARED AND ARE NOW PASSABLE. | | AS SUCH, THE STATES OF NEBRASKA AND MISSOURI ARE NOW FULLY CAPABLE OF | | FULFILLING THE RESPONSIBILITIES SPECIFIED IN THEIR RESPECTIVE EMERGENCY | | PLANS. | | | | THROUGHOUT THIS EVENT, THE LICENSEE WAS ABLE TO MAINTAIN APPROPRIATE | | STAFFING FOR NORMAL AND ABNORMAL CONDITIONS. | | | | THE PLANT IS CURRENTLY STABLE IN CONDITION 4 (COLD SHUTDOWN), AND | | PREPARATIONS FOR REACTOR STARTUP ARE IN PROGRESS. THE OFFSITE POWER GRID | | IS STABLE. | | | | THE LICENSEE HAS RECLASSIFIED THIS EVENT FROM 10 CFR 50.72(b)(2)(vi) TO | | 10 CFR 50.72(b)(1)(v). | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | OFFICER NOTIFIED THE R4DO (BLAINE MURRAY). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33867 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 03/10/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 08:14 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 03/10/98 | +------------------------------------------------+EVENT TIME: 08:14[EST]| |NRC NOTIFIED BY: BRIAN MUTZ |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MELVYN LEACH 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | STAFFING OF EMERGENCY RESPONSE FACILITIES POTENTIALLY HAMPERED DUE TO | | ADVERSE WEATHER. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "SEVERE WINTER WEATHER CONDITIONS HAVE CAUSED A SIGNIFICANT NUMBER OF ROAD | | CLOSINGS IN SOUTHWESTERN MICHIGAN. THIS MAY HAMPER OUR ABILITY TO STAFF | | EMERGENCY RESPONSE FACILITIES IN THE UNLIKELY EVENT THAT THEY ARE NEEDED. | | NORMAL NON-EMERGENCY OPERATIONAL STAFFING LEVELS ARE CURRENTLY ADEQUATE TO | | MEET ADMINISTRATIVE MANNING REQUIREMENTS. BOTH UNITS ARE PRESENTLY IN MODE | | 5 WITH TWO OPERABLE SOURCES OF OFFSITE POWER AND THREE OF FOUR EMERGENCY | | DIESEL GENERATORS OPERABLE. THE UNIT 1 'AB' EMERGENCY DIESEL GENERATOR HAS | | BEEN OUT OF SERVICE FOR PLANNED MAINTENANCE SINCE 03/04/98." | | | | PLANT SECURITY IS WORKING WITH STATE OFFICIALS TO DETERMINE THE EXTENT OF | | THE ROAD CLOSURES. THE GOVERNOR INTENDS TO DECLARE THE WESTERN HALF OF THE | | STATE AS AN EMERGENCY AREA. | | | | THE LICENSEE PLANS TO INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 2326 ON 03/10/98 FROM CZUK RECEIVED BY TROCINE * * * | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "WEATHER AND ROAD CONDITIONS IN SOUTH WEST MICHIGAN HAVE IMPROVED | | SIGNIFICANTLY SINCE THIS MORNING. RELATIVELY LITTLE SNOW HAS FALLEN IN THE | | LAST 12 HOURS, AND MOST ROADS ARE NOW PASSABLE. HOWEVER, MORE SNOW IS | | PREDICTED FOR TONIGHT AND TOMORROW." | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | OFFICER NOTIFIED THE R3DO (GARY SHEAR). | | | | * * * UPDATE AT 1329 ON 03/11/98 FROM DePUYDT ENTERED BY JOLLIFFE * * * | | | | AT 1137 ON 03/11/98, BERRIEN COUNTY, MICHIGAN, OFFICIALS TERMINATED THE | | DECLARED STATE OF EMERGENCY. THEREFORE, THE LICENSEE IS NO LONGER | | CONCERNED WITH THE POTENTIAL INABILITY TO STAFF THEIR EMERGENCY RESPONSE | | FACILITIES. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | OFFICER NOTIFIED THE R3DO (GARY SHEAR). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33876 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BYRON REGION: 3 |NOTIFICATION DATE: 03/11/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 05:47 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 03/11/98 | +------------------------------------------------+EVENT TIME: 00:58[CST]| |NRC NOTIFIED BY: DAVID FLOWERS |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 29 POWER OPERATION | 29 POWER OPERATION | | 2 | N Y 98 POWER OPERATION | 98 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY THAT THE CONTROL ROOM VENTILATION MAKEUP SUPPLY FAN AUTOMATIC | | START FEATURE IS INHIBITED WHILE SWAPPING CONTROL ROOM VENTILATION TRAINS | | (REFER TO EVENT NUMBER 33877 FOR THE SAME ISSUE AT BRAIDWOOD.) | | | | A CONDITION WAS DISCOVERED THAT WOULD INHIBIT THE AUTOMATIC START FEATURE | | OF THE CONTROL ROOM VENTILATION MAKEUP SUPPLY FAN FOR BOTH CONTROL ROOM | | VENTILATION TRAINS, AND THIS WOULD ONLY OCCUR WHILE THE CONTROL ROOM | | VENTILATION TRAINS ARE BEING SWAPPED. THE LICENSEE STATED THAT BOTH TRAINS | | ARE STILL OPERABLE AND CAN BE MANUALLY STARTED. HOWEVER, THE AUTOMATIC | | START FEATURE IS REQUIRED BY THE TECHNICAL SPECIFICATIONS. THE LICENSEE | | PLANS TO HAVE ENGINEERING PERSONNEL INVESTIGATE THIS DESIGN ISSUE. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33877 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 03/11/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 06:13 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 03/11/98 | +------------------------------------------------+EVENT TIME: 01:20[CST]| |NRC NOTIFIED BY: EDWARD STEFAN |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | DISCOVERY THAT THE CONTROL ROOM VENTILATION MAKEUP SUPPLY FAN AUTOMATIC | | START FEATURE IS INHIBITED WHILE SWAPPING CONTROL ROOM VENTILATION TRAINS | | (REFER TO EVENT NUMBER 33876 FOR THE SAME EVENT AT BYRON.) | | | | A CONDITION WAS DISCOVERED AT BYRON THAT ALSO APPLIES TO BRAIDWOOD BECAUSE | | BOTH FACILITIES HAVE SIMILAR CONTROL ROOM VENTILATION DESIGNS. THIS | | CONDITION WOULD INHIBIT THE AUTOMATIC START FEATURE OF THE CONTROL ROOM | | VENTILATION MAKEUP SUPPLY FAN FOR BOTH CONTROL ROOM VENTILATION TRAINS, AND | | IT WOULD ONLY OCCUR WHILE THE CONTROL ROOM VENTILATION TRAINS ARE BEING | | SWAPPED. THE LICENSEE STATED THAT BOTH TRAINS ARE STILL OPERABLE AND CAN | | BE MANUALLY STARTED. HOWEVER, THE AUTOMATIC START FEATURE IS REQUIRED BY | | THE TECHNICAL SPECIFICATIONS. THE LICENSEE PLANS TO HAVE ENGINEERING | | PERSONNEL INVESTIGATE THIS DESIGN ISSUE. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33878 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 03/11/98 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 09:11 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 03/11/98 | +------------------------------------------------+EVENT TIME: 05:07[PST]| |NRC NOTIFIED BY: JUSTIN McBRIDE |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION |CHET POSLUSNY, NRR PM | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR SCRAM DUE TO A MAIN GENERATOR TRIP FOR UNKNOWN REASONS | | AND SECOND AUTOMATIC REACTOR SCRAM DUE TO LOW REACTOR VESSEL WATER LEVEL | | | | AT 0507 PST, AN AUTOMATIC REACTOR SCRAM OCCURRED DUE TO A MAIN GENERATOR | | TRIP FOR UNKNOWN REASONS. ALL RODS FULLY INSERTED, AND THE RECIRCULATION | | PUMPS TRIPPED. ALL THREE EMERGENCY DIESEL GENERATORS AUTOMATICALLY STARTED | | DUE TO HIGH DRYWELL PRESSURE (1.65 PSIG) BUT DID NOT LOAD. THE HIGH | | DRYWELL PRESSURE WAS CAUSED BY A LOSS OF REACTOR CLOSED COOLING WATER DUE | | TO A LOSS OF POWER. THERE WAS ALSO A BUS LOCKOUT WHICH CAUSED A TEMPORARY | | POWER LOSS TO CERTAIN NON-VITAL BUSSES. REACTOR CORE ISOLATION COOLING WAS | | MANUALLY INITIATED. THERE WERE NO AUTOMATIC EMERGENCY CORE COOLING SYSTEM | | ACTUATIONS, AND THERE WAS NO LOSS OF OFFSITE POWER. ALL SYSTEMS FUNCTIONED | | AS REQUIRED, AND THERE WAS NOTHING THAT WAS UNUSUAL OR NOT UNDERSTOOD OTHER | | THAN THE CAUSE OF THE MAIN GENERATOR TRIP. | | | | THE PLANT IS CURRENTLY STABLE IN CONDITION 3 (HOT SHUTDOWN). WATER IS | | BEING SUPPLIED TO THE REACTOR VESSEL VIA THE CONTROL ROD DRIVES AND THE | | REACTOR CORE ISOLATION COOLING SYSTEM, AND STEAM IS BEING DUMPED TO THE | | SUPPRESSION POOL. THE PLANT IS CURRENTLY IN NATURAL CIRCULATION, AND THE | | LICENSEE IS IN THE PROCESS OF TRYING TO RESTORE THE RECIRCULATION PUMPS. | | THE DIVISION 3, HIGH PRESSURE CORE SPRAY DIESEL HAS BEEN SECURED, AND THE | | REMAINING TWO EMERGENCY DIESEL GENERATORS ARE STILL RUNNING AND HAVE | | REMAINED UNLOADED. | | | | THE LICENSEE IS CURRENTLY INVESTIGATING THE CAUSE OF THE MAIN GENERATOR | | TRIP. THERE WERE NO RELATED MAINTENANCE OR SURVEILLANCE ACTIVITIES ONGOING | | AT THE TIME OF THIS EVENT. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1228 ON 03/11/98 FROM BRIAN GARDES ENTERED BY JOLLIFFE * * | | | | THE LICENSEE DETERMINED THAT AT 0531 PST, FOLLOWING THE ABOVE REPORTED | | REACTOR SCRAM, A SECOND AUTOMATIC REACTOR SCRAM OCCURRED DUE TO LOW REACTOR | | VESSEL WATER LEVEL (13 INCHES). NORMAL LEVEL IS 36 INCHES. | | | | FOLLOWING THE INITIAL AUTOMATIC REACTOR SCRAM, THE PLANT ALSO EXPERIENCED | | VARIOUS ENGINEERED SAFETY FEATURE (ESF) ACTUATIONS ASSOCIATED WITH THE HIGH | | DRYWELL PRESSURE SETPOINT (1.65 PSIG) DUE TO THE LOSS OF REACTOR CLOSED | | COOLING WATER (INCLUDING THE AUTOMATIC START OF THE HIGH PRESSURE CORE | | SPRAY PUMP) AND VARIOUS ESF ACTUATIONS ASSOCIATED WITH THE LOW-LOW REACTOR | | VESSEL WATER LEVEL SETPOINT (-50 INCHES) DUE TO THE CLOSURE OF THE MAIN | | STEAM ISOLATION VALVES. THE LICENSEE IS CURRENTLY VERIFYING THAT ALL OF | | THESE VARIOUS ESF ACTUATIONS OPERATED CORRECTLY. | | | | THE PLANT IS CURRENTLY STABLE IN CONDITION 3 (HOT SHUTDOWN). | | | | THE LICENSEE PLANS TO SUBMIT A WRITTEN LICENSEE EVENT REPORT ON THIS EVENT | | TO THE NRC. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS OFFICER NOTIFIED THE R4DO (BLAINE MURRAY). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33879 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 03/11/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 09:15 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 03/10/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 10:30[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 03/11/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |GARY SHEAR RDO | | DOCKET: 0707002 |FRED COMBS, NMSS EO | +------------------------------------------------+STUART RUBIN, AEOD IRD | |NRC NOTIFIED BY: KURT SISLER | | |HQ OPS OFFICER: FANGIE JONES | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01 RESPONSE, NCSA DEFICIENT, LACK OF CONTROLS FOR DRAINS | | | | DURING A NUCLEAR CRITICALITY SAFETY (NCS) WALKDOWN OF THE X-326 PROCESS | | BUILDING, A DEFICIENT NUCLEAR CRITICALITY SAFETY ANALYSIS (NCSA) WAS | | IDENTIFIED. PLANT PROCEDURES REQUIRE FLOOR DRAINS WITHIN THE BOUNDARIES OF | | STORAGE AREAS TO BE PLUGGED, BUT THEY DO NOT ADDRESS FLOOR DRAINS OUTSIDE | | THE STORAGE AREAS. NCS PERSONNEL DISCOVERED THREE FLOOR DRAINS IN FRONT OF | | FILTER ROOM 10 THAT, WHILE NOT INSIDE THE STORAGE AREA, ARE NEAR ENOUGH TO | | BE A CONCERN. THE FLOOR IN FRONT OF FILTER ROOM 10 IS SLOPED DOWN TO THESE | | DRAINS. AT THE TIME OF DISCOVERY, THERE WAS A SINGLE 10-LITER POLYBOTTLE | | CONTAINING WATER FROM EXTENDED RANGE PRODUCT IN THE SMALL CONTAINER STORAGE | | AREA NEAREST TO FILTER ROOM 10. NCS PERSONNEL DETERMINED THAT THE | | POLYBOTTLE COULD SPILL AND POTENTIALLY COLLECT IN THE THREE NOTED FLOOR | | DRAINS. | | | | WITH NCS GUIDANCE, THE POLYBOTTLE WAS MOVED TO ANOTHER LOCATION, AND AN | | ADMINISTRATIVE HOLD WAS PLACED ON SOLUTION STORAGE NEAR FILTER ROOM 10. | | WALKDOWNS OF OTHER AREAS ARE ONGOING TO DETERMINE IF SIMILAR CONDITIONS | | EXIST. | | | | THERE WAS NO LOSS OF HAZARDOUS OR RADIOACTIVE MATERIAL, AND THERE WERE NO | | RADIOACTIVE OR RADIOLOGICAL CONTAMINATION EXPOSURES AS A RESULT OF THIS | | EVENT. | | | | PLANT PERSONNEL INFORMED THE NRC RESIDENT INSPECTOR AND THE DEPARTMENT OF | | ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33880 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 03/11/98 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 11:37 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 03/10/98 | +------------------------------------------------+EVENT TIME: 11:00[EST]| |NRC NOTIFIED BY: WILLIAM McCOLLUM |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD CONTE RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | FITNESS-FOR-DUTY REPORT | | | | A NON-LICENSED SUPERVISOR (CONTRACTOR) TESTED POSITIVE DURING A RANDOM DRUG | | TEST, AND THE RESULTS WERE CONFIRMED BY THE MEDICAL REVIEW OFFICER. THE | | INDIVIDUAL'S ACCESS TO THE PLANT HAS BEEN TERMINATED. THE INDIVIDUAL HAS | | BEEN REMOVED FROM DUTY AND ENTERED INTO THE EMPLOYEE ASSISTANCE PROGRAM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AS WELL AS THE STATE AND | | LOCAL GOVERNMENT AGENCIES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33881 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 03/11/98 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 16:36 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 03/11/98 | +------------------------------------------------+EVENT TIME: 15:45[EST]| |NRC NOTIFIED BY: DICK SWEENEY |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK LESSER RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - RUPTURE DISKS IN PRESSURE RELIEF DEVICES FAILING (NRC GL 96-06) - | | | | PRESSURE RELIEF DEVICES HAVE BEEN INSTALLED IN ACCORDANCE WITH NRC GENERIC | | LETTER 96-06 ON CONTAINMENT PENETRATION LINES BETWEEN THE OUTSIDE OF THE | | CONTAINMENT WALL AND THE OUTER CONTAINMENT ISOLATION VALVE TO COLLECT ANY | | LEAKAGE IN THIS PORTION OF THE CONTAINMENT PENETRATION LINES DURING A LOSS | | OF COOLANT ACCIDENT. THESE DEVICES WERE INSTALLED AS PART OF A PLANT | | MODIFICATION DURING A PLANT OUTAGE IN LATE 1997. THESE DEVICES ARE | | EXPANSION CHAMBERS WITH A VOLUME OF LESS THAN ONE CUBIC FOOT THAT CONTAIN | | RUPTURE DISKS (DIAPHRAGMS). | | | | THE LICENSEE DETERMINED DURING TESTING THAT TWO OF TEN INSTALLED PRESSURE | | RELIEF DEVICES ARE INOPERABLE DUE TO FAILED RUPTURE DISKS. THE | | CORRESPONDING PENETRATIONS ARE #CFRS-1 (1 TO 2-INCH CORE FLOOD SAMPLE LINE) | | AND #CARS-4 (1 TO 2-INCH CHEMICAL ADDITION LINE). RUPTURE DISKS IN SEVERAL | | OF THESE DEVICES HAVE REPEATEDLY FAILED FOR UNKNOWN REASONS AND HAVE BEEN | | REPLACED. | | | | TECHNICAL SPECIFICATION LIMITING CONDITION FOR OPERATION ACTION STATEMENT | | 3.6.3 REQUIRES THE LICENSEE TO ISOLATE AND VENT THESE INOPERABLE | | PENETRATIONS TO PREVENT OVERPRESSURE CONDITIONS AND TO VERIFY THAT THESE | | PENETRATIONS ARE ISOLATED EVERY 31 DAYS. THE LICENSEE HAS AND PLANS TO | | CONTINUE TO COMPLY WITH THESE REQUIREMENTS. THIS CONDITION DOES NOT | | NEGATIVELY IMPACT THE PRESENT OPERABILITY OF THE PLANT. | | | | THE LICENSEE IS INVESTIGATING THE CAUSES OF THIS CONDITION AND PLANS TO | | SUBMIT A WRITTEN LICENSEE EVENT REPORT ON THIS EVENT TO THE NRC. THE | | LICENSEE ALSO PLANS TO INFORM THE NRC RESIDENT INSPECTOR. | | | | NOTE: THE LICENSEE STATED THAT SIMILAR EQUIPMENT IS INSTALLED AT THREE | | MILE ISLAND. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33882 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 03/11/98 | |UNIT: [ ] [2] [ ] STATE: GA |NOTIFICATION TIME: 17:12 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 03/11/98 | +------------------------------------------------+EVENT TIME: 16:40[EST]| |NRC NOTIFIED BY: CHARLIE MEYER |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK LESSER 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A MISSING CABLE LUG NUT REPRESENTS A CONDITION OUTSIDE THE PLANT DESIGN | | BASIS. | | | | ON 02/24/98 DURING MAINTENANCE ACTIVITIES ON A SWITCHGEAR CUBICLE THAT | | PROVIDES CONTROL POWER TO THE UNIT 2 TRAIN 'B' RESIDUAL HEAT REMOVAL (RHR) | | PUMP, PLANT PERSONNEL FOUND A CABLE LUG LANDED ON A TERMINAL POST WITHOUT A | | NUT TO TIGHTEN THE CONNECTION. PLANT PERSONNEL IMMEDIATELY INSTALLED A NEW | | NUT ON THE TERMINAL POST AND TIGHTENED THE CONNECTION. | | | | AT 1640 ON 03/11/98, THE LICENSEE DETERMINED THAT THE AS-FOUND LUG-TO-POST | | CONNECTION REPRESENTED A CONDITION OUTSIDE THE PLANT DESIGN BASIS PER | | 10 CFR 50.72(b)(1)(ii)(B). WITHOUT THE NUT PROPERLY PLACED ON THE POST, | | THE SEISMIC QUALIFICATION OF THE BREAKER IS INDETERMINATE. THEREFORE, | | IF A DESIGN BASIS SEISMIC EVENT HAD OCCURRED, THE TRAIN 'B' RHR PUMP MAY | | HAVE FAILED TO OPERATE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33883 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 03/11/98 | |UNIT: [1] [2] [ ] STATE: SC |NOTIFICATION TIME: 21:37 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 03/11/98 | +------------------------------------------------+EVENT TIME: 21:05[EST]| |NRC NOTIFIED BY: MIKE JONES |LAST UPDATE DATE: 03/11/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK LESSER 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 85 POWER OPERATION | 85 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SINGLE FAILURE IN CONTROL AREA AC&V SYSTEM COULD IMPACT UNIT 1 OR 2 SYSTEMS | | | | UPDATED FINAL SAFETY ANALYSIS REPORT (UFSAR) SECTION 3.11.4 STATES THAT NO | | SINGLE FAILURE OF AN ACTIVE COMPONENT WITHIN THE CONTROL AREA AIR | | CONDITIONING AND VENTILATION (AC&V) SYSTEMS WILL PREVENT PROPER CONTROL | | AREA ENVIRONMENTAL CONTROL. | | | | THE LICENSEE CONCLUDED THAT A LOSS OF A SINGLE FAN IN THE VENTILATION | | SYSTEM COULD INTERRUPT COOLING TO EITHER THE UNIT 1 OR UNIT 2 CABLE ROOMS. | | THE IMPACT OF THIS SINGLE FAILURE HAS BEEN EVALUATED AND PRELIMINARY | | CONCLUSIONS ARE THAT, WITHOUT COMPENSATORY ACTIONS, CIRCUIT BREAKERS IN THE | | CABLE ROOM COULD EVENTUALLY TRIP DUE TO EXCEEDING HIGH TEMPERATURE DESIGN | | LIMITS. CURRENT ESTIMATES ARE THAT TIME IS AVAILABLE PRIOR TO APPROACHING | | THE TEMPERATURES AT WHICH CIRCUIT BREAKERS MIGHT TRIP. | | | | THE LICENSEE IS IMPLEMENTING COMPENSATORY ACTIONS (PHYSICALLY CROSS | | CONNECTING THE AIR CONDITIONING DUCTWORK FOR UNITS 1 AND 2) TO ADDRESS THE | | UFSAR NON-CONFORMANCE. FAILURE OF A VENTILATION FAN WOULD IMPACT THE | | OPERABILITY OF SYSTEMS REQUIRED BY TECHNICAL SPECIFICATIONS ON EITHER UNIT | | 1 OR UNIT 2. | | | | AT 2105 ON 03/11/98, THE LICENSEE ENTERED TECHNICAL SPECIFICATION LIMITING | | CONDITION FOR OPERATION (LCO) ACTION STATEMENT (A/S) 3.0 ON UNIT 1 AND UNIT | | 2 DUE TO THE IMPACT OF THE VENTILATION SYSTEM ON THE OPERABILITY OF SYSTEMS | | REQUIRED BY TECHNICAL SPECIFICATIONS AND THE FACT THAT COMPENSATORY | | MEASURES HAVE NOT BEEN COMPLETELY IMPLEMENTED AT THIS TIME. | | | | TECHNICAL SPECIFICATION LCO A/S 3.0 REQUIRES THE LICENSEE TO COMPLETE | | COMPENSATORY ACTIONS OR TO PLACE UNIT 1 AND UNIT 2 IN MODE 4 (HOT SHUTDOWN) | | BY 0905 ON 11/12/98. | | | | THE LICENSEE EXPECTS TO COMPLETE COMPENSATORY ACTIONS PRIOR TO HAVING TO | | SHUT UNITS 1 AND 2 DOWN. | | | | DUE TO A DIFFERENT VENTILATION SYSTEM DESIGN, UNIT 3 IS UNAFFECTED BY THIS | | ISSUE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33884 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 03/12/98 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 01:48 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 03/11/98 | +------------------------------------------------+EVENT TIME: 23:16[CST]| |NRC NOTIFIED BY: PETE KARABA |LAST UPDATE DATE: 03/12/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR 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 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR SCRAM SIGNAL WITH NO ROD MOTION DUE TO A HIGH SCRAM | | INSTRUMENT VOLUME LEVEL WHILE THE UNIT WAS IN MODE 5 (REFUELING) | | | | WITH UNIT 2 IN MODE 5 PREPARING FOR FUEL OFFLOAD, A REACTOR SCRAM SIGNAL | | WAS RECEIVED FROM A HIGH SCRAM INSTRUMENT VOLUME LEVEL. THERE WAS NO | | CONTROL ROD MOVEMENT BECAUSE ALL RODS WERE ALREADY FULLY INSERTED WITH ALL | | CONTROL ROD DRIVES OUT OF SERVICE. THE SCRAM DISCHARGE VOLUME VENTS AND | | DRAINS WERE TAKEN OUT OF SERVICE PRIOR TO THE EVENT (EARLIER THIS SHIFT). | | THERE WERE NO EMERGENCY CORE COOLING SYSTEM OR ENGINEERED SAFETY FEATURE | | ACTUATIONS, AND ALL SYSTEMS FUNCTIONED AS REQUIRED. THERE WAS NOTHING THAT | | WAS UNUSUAL OR NOT UNDERSTOOD OTHER THAT THE SOURCE OF WATER TO THE SCRAM | | INSTRUMENT VOLUME. THE LICENSEE IS CURRENTLY PERFORMING A REVIEW OF THE | | WORK IN PROGRESS AT THE TIME OF THE EVENT IN ORDER TO DETERMINE THE INPUT | | (SOURCE OF WATER) TO THE VOLUME. | | | | AT THIS TIME, THE UNIT IS IN ITS NORMAL REFUELING ALIGNMENT FOR FEED AND | | BLEED OF THE REACTOR. CORE SPRAY KEEP FILL IS BEING UTILIZED TO SUPPLY | | WATER TO THE REACTOR VESSEL, AND BLEED IS THROUGH FUEL POOL REJECT. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33885 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BIG ROCK POINT REGION: 3 |NOTIFICATION DATE: 03/12/98 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 06:20 [ET]| |RX TYPE: [1] GE-1 |EVENT DATE: 03/12/98 | +------------------------------------------------+EVENT TIME: 03:45[EST]| |NRC NOTIFIED BY: JOE HORON |LAST UPDATE DATE: 03/12/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SHEAR RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | |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 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF THE NORMAL AND HIGH RANGE NOBLE GAS MONITORS AS A RESULT OF REMOVAL | | THE HIGH RANGE CONTAINMENT GAMMA MONITORS FROM SERVICE | | | | AT 2213 ON 03/11/98, THE HIGH RANGE CONTAINMENT GAMMA MONITORS WERE REMOVED | | FROM SERVICE; AND WHEN THE LICENSEE OPENED THE BREAKER, THE NORMAL AND HIGH | | RANGE NOBLE GAS MONITORS FOR THE PLANT STACK WERE ALSO LOST. THIS WAS | | DISCOVERED AND CORRECTED AT 0354 ON 03/12/98. THE ALARM PANEL HAD BEEN OUT | | OF SERVICE FOR SEVERAL WEEKS DUE TO POTENTIAL GROUND PROBLEMS DURING | | WASHING OF THE RECIRCULATION PUMP ROOM WITH HIGH PRESSURE WATER. OTHER | | MEANS OF MONITORING STACK EFFLUENT RELEASES FOR IODINE AND PARTICULATES | | WERE AVAILABLE, AND THERE WERE NO INDICATIONS OF ANY RELEASE WHILE THE | | NORMAL AND HIGH RANGE MONITORS WERE OUT OF SERVICE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+