U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/26/95 - 09/27/95 ** EVENT NUMBERS ** 29267 29371 29373 29374 29375 29376 29377 29378 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29267 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 08/31/95 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 16:12 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 08/31/95 | +------------------------------------------------+EVENT TIME: 14:15[CDT]| |NRC NOTIFIED BY: D. S. BILLESBACH |LAST UPDATE DATE: 09/26/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL 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 96 POWER OPERATION | 96 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF THE EMERGENCY BATTERY LIGHTING (EBL) BEING OUTSIDE THE DESIGN | | BASIS OF THE PLANT. | | | | IN NOVEMBER 1994, EBL RELIABILITY WAS CALLED INTO QUESTION DUE TO POOR | | MAINTENANCE CONTROLS AND A LACK OF DESIGN BASIS INFORMATION. THIS WAS | | REPORTED TO THE NRC IN LICENSEE EVENT REPORT NO. 94-034. IN JANUARY AND | | FEBRUARY 1995, THE APPENDIX R AND STATION BLACKOUT UNITS DESIGN BASES WERE | | VERIFIED AND THE EBLs UPGRADED UNDER EQUIPMENT SPECIFICATION CHANGE NO. | | 94-075 TO ADDRESS RELIABILITY AND UNDER DESIGN CHANGE NO. 94-075 TO ADDRESS | | DESIGN BASIS REQUIREMENTS (ADDITIONAL UNITS). IN THE SIX MONTHS SINCE | | COMPLETION OF THE UPGRADE, REPEAT FAILURES OF THE EBLs HAVE BEEN NOTED | | PRIMARILY INVOLVING FAILURE OF THE CHARGING CARDS. DUE TO CONCERNS WITH | | THE RELIABILITY OF THE CHARGING CARDS, THE OPERABILITY OF THE EBLs CANNOT | | BE ASSURED TO BE WITHIN THE COOPER NUCLEAR STATION DESIGN BASIS OF 10 CFR | | PART 50, APPENDIX R, SECTION III.J, FOR PROVIDING 8 HOURS OF ILLUMINATION. | | | | A COMPENSATORY MEASURE HAS BEEN IMPLEMENTED TO PROVIDE ALL ON-WATCH | | OPERATORS WITH FLASHLIGHTS TO USE DURING A POSTULATED DESIGN BASIS LOSS OF | | LIGHTING. IN ADDITION, OPERATIONS PERSONNEL WILL BE INFORMED OF THESE | | MEASURES PRIOR TO ASSUMING THE WATCH. | | | | THE LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | ****RETRACTION @ 1145 EDT 09/26/95 BY BILL VICTOR TAKEN BY MACKINNON**** | | | | AS A RESULT OF FURTHER INVESTIGATION, IT IS CONCLUDED THAT COOPER NUCLEAR | | STATION WAS NOT OUTSIDE THE DESIGN BASIS REGARDING ILLUMINATION FOR | | OPERATORS TO EXECUTE MANUAL ACTIONS TO EFFECT A SAFE SHUTDOWN OF THE PLANT | | DURING AN APPENDIX 'R' FIRE. THIS IS BASED ON INSUFFICIENT INFORMATION OF | | AN ACTUAL CHARGING CARD RELIABILITY PROBLEM AND THE ADEQUACY OF OPERATORS | | HAVING PORTABLE LIGHTING AVAILABLE AS A CONTINGENCY MEASURE. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE. THE R4DO | | (SPITZBERG) WAS NOTIFIED. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 29371 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: DART TRUCKING COMPANY, INC. |NOTIFICATION DATE: 09/25/95 | | CITY: RICHLAND REGION: 4 |NOTIFICATION TIME: 17:45 [ET]| | COUNTY: FRANKLIN STATE: WA |EVENT DATE: 09/22/95 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 16:30[PDT]| | DOCKET: |LAST UPDATE DATE: 09/26/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BLAIR SPITZBERG/R4DO RDO | | |ROBERT PIERSON/NMSS EO | +------------------------------------------------+BAGWELL FEMA | |NRC NOTIFIED BY: FINKBEINER/NAT'L RESP CTR |MONTE PHILLIPS R3DO | |HQ OPS OFFICER: LEIGH TROCINE |CHARLES HOSEY R2DO | +------------------------------------------------+CHARLES WHITE DOE | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | |NTRA TRANSPORTATION EVENT | | |NMAT MATL IN UNCNTRL AREA | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TRANSPORTATION EVENT | | | | THE NATIONAL RESPONSE CENTER INFORMED THE NRC OF A NOTIFICATION FROM DART | | TRUCKING COMPANY, INC. LOCATED IN CANFIELD, OHIO, REGARDING THE BREACH OF A | | SHIPPING CONTAINER ON SEPTEMBER 22, 1995. ACCORDING TO A REPRESENTATIVE | | FROM THE TRUCKING COMPANY, THE MATERIAL WAS OWNED BY PHILLIPS PETROLEUM | | COMPANY LOCATED IN BARTLESVILLE, OKLAHOMA. IT WAS PICKED UP IN OAK RIDGE, | | TENNESSEE, AND WAS DELIVERED TO THE HANFORD RESERVATION NEAR RICHLAND, | | WASHINGTON. APPARENTLY, AS THE STRONG TIGHT CONTAINERS WERE BEING | | UNLOADED, IT WAS DISCOVERED THAT A METAL ROD INSIDE A CONTAINER HAD | | PUNCTURED A HOLE IN THE CONTAINER AND THAT A SMALL AMOUNT OF ABSORBENT | | MATERIAL CONTAINING RADIOACTIVE MATERIAL (TRITIUM) SPILLED ONTO THE TRUCK | | BED. THERE WERE NO PERSONNEL CONTAMINATIONS ASSOCIATED WITH THIS EVENT, | | AND THE TRUCK BED HAS BEEN DECONTAMINATED AND RELEASED. DOE DID NOT HAVE A | | RECORD OF THIS EVENT. | | | | CURRENT STATUS: THE AREA WAS SEALED OFF, AND A CONTRACTOR (U.S. ECOLOGY | | LOCATED IN RICHLAND, WASHINGTON) REMOVED THE MATERIAL AND DECONTAMINATED | | THE TRUCK BED. THE TRUCK WAS RELEASED TODAY. THERE WERE NO PERSONNEL | | CONTAMINATIONS OR INJURIES ASSOCIATED WITH THIS EVENT. | | | | * * * UPDATE @ 11:15 9/26/95 FROM LOGUE TAKEN BY SEBROSKY * * * | | | | THE TRUCKING COMPANY PROVIDED ADDITIONAL INFORMATION TO THE NRC OPERATIONS | | CENTER. THE INFORMATION INCLUDED THE SHIPPING PAPERS WHICH IDENTIFY THE | | MATERIAL AS ACCELERATOR PRODUCED RADIOACTIVE MATERIAL. IN ADDITION, THE | | MATERIAL ORIGINATED IN BARTLESVILLE, OKLAHOMA, AND NOT OAK RIDGE, | | TENNESSEE. THE PACKAGE CONTAINED MATERIAL FROM A DISMANTLED LINEAR | | ACCELERATOR AT THE PHILLIPS PETROLEUM RESEARCH CENTER. THEREFORE, BY | | DEFINITION, THE RADIOACTIVE MATERIAL IS NOT LICENSED BY THE NRC, AND THE | | NRC DOES NOT HAVE JURISDICTION. THE NRC OPERATIONS CENTER NOTIFIED THE | | R4DO (SPITZBERG), NMSS EO (PIERSON), R2DO (HOSEY), R3DO (PHILLIPS), DOE | | (TANNER), FEMA (CALDWELL), AND EPA (GARNEAU). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29373 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ARKANSAS NUCLEAR REGION: 4 |NOTIFICATION DATE: 09/26/95 | |UNIT: [ ] [2] [ ] STATE: AR |NOTIFICATION TIME: 05:30 [ET]| |RX TYPE: [1] B&W-L-LP,[2] CE |EVENT DATE: 09/26/95 | +------------------------------------------------+EVENT TIME: 03:16[CDT]| |NRC NOTIFIED BY: BILL CUSACK |LAST UPDATE DATE: 09/26/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAIR SPITZBERG 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTROL ROOM VENTILATION SWITCHED TO THE FILTERED SUPPLY DUE TO A VALID | | ELEVATED SUPPLY RADIATION READING. | | | | THE LICENSEE RECEIVED AN AUTOMATIC ISOLATION OF THE CONTROL ROOM | | VENTILATION SYSTEM DUE TO A SENSED HIGH RADIATION CONDITION IN THE INTAKE | | DUCT. THE LICENSEE HAS DETERMINED THAT THE ISOLATION SIGNAL WAS A VALID | | SIGNAL. | | | | THE CONTROL ROOM VENTILATION SYSTEM WAS IN THE RECIRCULATION MODE PRIOR TO | | THE EVENT WITH MAKEUP TO THE SYSTEM BEING SUPPLIED BY AN UNFILTERED SUPPLY. | | WHEN THE VENTILATION INTAKE DUCT RADIATION ALARM FOR THE CONTROL ROOM WAS | | RECEIVED, IT SWITCHED THE MAKEUP SUPPLY TO A FILTERED PATH. THE ALARM FOR | | THE RADIATION MONITOR WAS SET AT 240 COUNTS PER MINUTE (CPM) PRIOR TO THE | | EVENT WITH BACKGROUND READINGS OF 70 TO 140 CPM. THE HIGHEST LEVEL REACHED | | WAS 450 CPM. THE CURRENT READING IS 130 CPM. | | | | THE LICENSEE IS CONTINUING TO INVESTIGATE THE PROBLEM. AT THIS TIME, IT | | APPEARS THAT THE CAUSE OF THE PROBLEM WAS DUE TO THE PRESSURE IN | | CONTAINMENT BEING SLIGHTLY HIGHER THAN THE PRESSURE IN THE AUXILIARY | | BUILDING. BOTH THE CONTAINMENT AND AUXILIARY BUILDING'S PRESSURE REMAINED | | NEGATIVE RELATIVE TO ATMOSPHERIC PRESSURE, SO THERE WAS NO UNMONITORED | | RELEASE OF RADIOACTIVITY TO THE ENVIRONMENT. | | | | PRIOR TO THE EVENT, THE LICENSEE WAS IN THE PROCESS OF COLLAPSING THE | | PRESSURIZER BUBBLE, AND BOTH THE EQUIPMENT HATCH AND THE PERSONNEL HATCH | | FOR THE CONTAINMENT WERE OPEN. THE PRESSURIZER WAS LINED UP TO THE QUENCH | | TANK INSIDE THE CONTAINMENT DURING THIS EVOLUTION. THE LICENSEE SPECULATES | | THAT THE GASES LEAVING THE QUENCH TANK ENTERED THE AUXILIARY BUILDING | | BECAUSE OF THE SLIGHT PRESSURE DIFFERENCE BETWEEN IT AND THE CONTAINMENT | | BUILDING. THESE GASES THEN CAUSED THE ALARM IN THE INLET TO THE CONTROL | | ROOM. | | | | NO OTHER RADIATION ALARMS WERE RECEIVED INCLUDING RADIATION ALARMS FOR THE | | CONTAINMENT AND THE AUXILIARY BUILDING. THE CONTROL ROOM VENTILATION | | SYSTEM REMAINS IN THE RECIRCULATION MODE WITH A FILTERED MAKEUP SUPPLY. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | | | | * * * UPDATE @ 0630 EDT 09/26/95 BY BILL CUSACK TAKEN BY MACKINNON * * * | | | | THE CONTROL ROOM VENTILATION FAN WAS IN THE RECIRCULATION MODE OF OPERATION | | PRIOR TO THE INTAKE DUCT HIGH RADIATION SIGNAL. DURING THE RECIRCULATION | | MODE OF OPERATION, ONLY THE EXHAUST VENTILATION FAN IS IN OPERATION. THE | | INTAKE DUCT HIGH RADIATION SIGNAL AUTOMATICALLY CLOSED A VENTILATION SYSTEM | | VALVE AND SENT AN AUTOMATIC START SIGNAL TO UNIT 2 EMERGENCY SUPPLY | | VENTILATION FAN (2VSF-9). THE FAN DID NOT START BECAUSE IT WAS TAGGED OUT | | OF SERVICE FOR POWER SUPPLY CHANGE TO ANO-1 POWER. PER PROCEDURE, UNIT 2 | | OPERATORS MANUALLY STARTED THE UNIT 1 EMERGENCY SUPPLY VENTILATION FAN, | | VSF-9. (THE UNIT 1 AND UNIT 2 CONTROL ROOMS ARE IN THE SAME ENVELOPE FOR | | THE EMERGENCY VENTILATION SYSTEM.) | | | | INITIAL AND BACKUP RADIATION SURVEYS SHOWED THAT RADIATION LEVELS WERE 500 | | TO 600 CPM ABOVE BACKGROUND. THE LICENSEE CLOSED THE PERSONNEL HATCH TO | | CONTAINMENT AFTER WHICH RADIATION LEVELS RETURNED TO 100 CPM (NORMAL | | BACKGROUND READINGS). THE CONTROL ROOM VENTILATION SYSTEM WAS RESTORED TO | | ITS NORMAL MODE OF OPERATION AT 05:00 CDT, AND RADIATION LEVELS ARE | | INDICATING NORMAL BACKGROUND LEVELS. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED OF THIS INFORMATION BY THE | | LICENSEE. THE HOO NOTIFIED THE R4DO (SPITZBERG). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 29374 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SMITH CLINE BEECHAM PHARMACEUTICALS |NOTIFICATION DATE: 09/26/95 | | CITY: KING OF PRUSSIA REGION: 1 |NOTIFICATION TIME: 12:37 [ET]| | COUNTY: STATE: PA |EVENT DATE: 09/01/95 | |LICENSE#: 37-002820-04 AGREEMENT: N |EVENT TIME: 11:00[EDT]| | DOCKET: 03005986 |LAST UPDATE DATE: 09/26/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CLIFFORD ANDERSON RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: EILEEN HOTTE | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF 0.7 MILLICURIES OF P-32 FROM SMITH CLINE BEECHAM PHARMACEUTICALS | | LOCATED IN KING OF PRUSSIA, PENNSYLVANIA | | | | AT APPROXIMATELY 11:00 ON SEPTEMBER 1, 1995, THE LICENSEE DISCOVERED THE | | POTENTIAL LOSS OF 0.7 MILLICURIES OF P-32 (CYTIDINE 5 - TRIPHOSPHATE, | | TETRA-TRIETHYLAMMONIUM SALT P-32) IN AN AQUEOUS SOLUTION. THIS PRODUCT IS | | STORED IN A VIAL THAT IS INSIDE A SMALL PLASTIC CONTAINER, AND IT IS | | NORMALLY KEPT ON DRY ICE OR FROZEN. | | | | APPARENTLY, THE LICENSEE RECEIVED THIS MATERIAL ON AUGUST 28, 1995, AND IT | | WAS INVENTORIED AND DELIVERED (ALONG WITH TWO OTHER PACKAGES) TO A | | SCIENTIST WHO WAS RESPONSIBLE FOR THE DISTRIBUTION OF A NUMBER OF | | RADIO-ISOTOPE PACKAGES TO OTHER SCIENTISTS WITHIN THE BUILDING. THESE | | PACKAGES WERE EITHER HAND DELIVERED OR PLACED IN A FREEZER IF THE RECIPIENT | | WAS NOT AVAILABLE. ON SEPTEMBER 1, 1995, A SCIENTIST WHO HAD RETURNED FROM | | VACATION COULD NOT FIND THE MATERIAL THAT WAS EXPECTED TO BE IN A SPECIFIC | | FREEZER. | | | | AS A RESULT, THE LICENSEE PERFORMED A PHYSICAL SEARCH OF ALL OF THE | | REFRIGERATORS, FREEZERS, AND CHEMICAL FUME HOODS IN THE BUILDING AND | | NOTIFIED ALL OF THE SCIENTISTS IN THE BUILDING THAT IT APPEARED THAT THIS | | MATERIAL WAS MISSING. AFTER INTERVIEWING THE INDIVIDUAL WHO HAD PERFORMED | | THE PACKAGE DISTRIBUTIONS, THE LICENSEE SUSPECTED THAT THE MATERIAL | | POTENTIALLY COULD HAVE GONE OUT WITH THE WASTE. AS A RESULT, THE LICENSEE | | LOCKED THE DUMPSTER (WHICH HAD NOT BEEN EMPTIED SINCE PRIOR TO AUGUST 28, | | 1995), PERFORMED A PHYSICAL SEARCH OF THE DUMPSTER, AND SURVEYED AND | | INSPECTED THE CONTENTS. THE MATERIAL WAS NOT FOUND. BECAUSE THERE WAS NO | | EVIDENCE THAT THE MATERIAL HAD LEFT THE BUILDING, THE LICENSEE NOW SUSPECTS | | THAT THE MATERIAL MAY HAVE BEEN INADVERTENTLY PLACED IN THE WRONG FREEZER | | AND MAY HAVE BEEN UTILIZED BY ANOTHER SCIENTIST SINCE THIS IS MATERIAL THAT | | THE LICENSEE OFTEN RECEIVES. | | | | IN ORDER TO DETERMINE THE EXTENT OF POSSIBLE HAZARDS TO AN INDIVIDUAL, THE | | LICENSEE DETERMINED THAT THE DOSE RATE WITH AN ION CHAMBER APPROXIMATELY 2 | | INCHES AWAY FROM A 0.7-MILLICURIE VIAL OF P-32 WOULD BE APPROXIMATELY 22 | | MILLIREM PER HOUR. IF THE SOLUTION WERE ORALLY INGESTED, THE WHOLE BODY | | DOSE TO AN INDIVIDUAL WOULD BE 0.5 REM. | | | | IN ORDER TO PREVENT RECURRENCE, THE LICENSEE HAS INSTITUTED A NEW PROCEDURE | | THAT REQUIRES EACH RADIATION USER TO PERSONALLY PICK UP AND SIGN FOR | | INCOMING MATERIALS AT A CENTRALIZED LOCATION. THE LICENSEE HAS NOT MADE | | ANY OTHER NOTIFICATIONS AND PLANS TO SUBMIT A WRITTEN REPORT DESCRIBING | | THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29375 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 09/26/95 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 16:19 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/26/95 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: MARIOS KAFANTARIS |LAST UPDATE DATE: 09/26/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON 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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF THE FAILURE TO PLUG STEAM GENERATOR TUBES DURING THE 1993 | | REFUELING OUTAGE | | | | DURING THE PERFORMANCE OF BOBBIN AND MOTORIZED ROTATING PANCAKE COIL | | INSPECTIONS AS PART OF THE CURRENT REFUELING OUTAGE WORK, THE LICENSEE | | IDENTIFIED THAT A NUMBER OF TUBES IN EACH STEAM GENERATOR HAD AXIAL AND/OR | | CIRCUMFERENTIAL CRACKING. IN ORDER TO DETERMINE THE CRACK GROWTH RATES | | DURING THE PREVIOUS OPERATING CYCLE, THE LICENSEE PERFORMED A REVIEW OF THE | | 1993 EDDY CURRENT DATA FOR COMPARISON. DURING THIS REVIEW, THE LICENSEE | | IDENTIFIED THAT THERE WERE A NUMBER OF STEAM GENERATOR TUBES THAT EXCEEDED | | THE TECHNICAL SPECIFICATION 4.4.5.4 PLUGGING LIMIT OF 40% WALL LOSS IN | | 1993. THESE TUBES SHOULD HAVE BEEN PLUGGED AT THAT TIME BUT WERE NOT. THE | | ACTUAL NUMBER OF TUBES THAT FELL INTO THIS CATEGORY IS STILL UNDER REVIEW. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND THE LOCAL TOWNSHIP. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29376 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 09/26/95 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 18:36 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 09/26/95 | +------------------------------------------------+EVENT TIME: 18:24[EDT]| |NRC NOTIFIED BY: TED DUBAY |LAST UPDATE DATE: 09/26/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | FAILURE TO ADEQUATELY PROTECT THE STRAINER FROM A POSTULATED APPENDIX 'R' | | FIRE OR DESIGN BASIS FLOOD IN THE INTAKE STRUCTURE | | | | IF THERE WAS A POSTULATED APPENDIX 'R' FIRE OR DESIGN BASIS FLOOD IN THE | | INTAKE STRUCTURE (WHERE THE SERVICE WATER PUMPS ARE LOCATED), THE LICENSEE | | HAS ANALYZED AND TAKEN ACTIONS TO PROTECT THE SERVICE WATER PUMPS. THE | | SERVICE WATER PUMPS DISCHARGE INTO A STRAINER WHICH THEN GOES OUT TO THE | | SYSTEM. IT HAS BEEN DETERMINED THAT THE STRAINER HAS NOT BEEN ADEQUATELY | | PROTECTED. | | | | IF THE SERVICE WATER PUMPS WERE TO BE LOST IN A POSTULATED APPENDIX R FIRE, | | SERVICE WATER COULD BE RESTORED BY THE INSTALLATION OF THE SPARE SERVICE | | WATER PUMP IN THE WAREHOUSE. HOWEVER, THERE IS NOT A SPARE MOTOR FOR THE | | TOP OF THE STAINER WHICH KEEPS IT FROM CLOGGING. IN ADDITION, IF THERE | | WAS A DESIGN BASIS FLOOD, THE LICENSEE COULD PROTECT ONE OF THE SERVICE | | WATER PUMPS FROM GETTING WET BY PLACING A CAN OVER TOP OF IT. HOWEVER, THE | | STRAINER IS NOT PROTECTED FROM THIS POSTULATED THREAT. THE LICENSEE DOES | | NOT HAVE DOCUMENTATION THAT THIS HAS BEEN REVIEWED. | | | | AS A RESULT, THE LICENSEE PLANS TO INCORPORATE AN EXISTING MAINTENANCE | | PROCEDURE FOR MANUALLY ROTATING THE STRAINER BACKWASH SHAFT WITH A STRAP | | WRENCH INTO THE APPENDIX 'R' AND FLOODING PROCEDURES. THE LICENSEE IS ALSO | | CONSIDERING THE POSSIBILITY OF GETTING A SPARE STRAINER MOTOR. | | | | THE LICENSEE NOTIFIED THE STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29377 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 09/26/95 | |UNIT: [1] [ ] [ ] STATE: TX |NOTIFICATION TIME: 19:18 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/26/95 | +------------------------------------------------+EVENT TIME: 14:23[CDT]| |NRC NOTIFIED BY: CHARLES T. BOWMAN |LAST UPDATE DATE: 09/26/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAIR SPITZBERG 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 +------------------------------------------------------------------------------+ | LICENSE VIOLATION REGARDING THE FAILURE TO MEET THE LOGGING REQUIREMENTS | | FOR INDICATED AXIAL FLUX DIFFERENCE (AFD) | | | | TECHNICAL SPECIFICATION 4.2.1.1.b REQUIRES THAT THE INDICATED AFD BE LOGGED | | EVERY HOUR FOR THE FIRST 24 HOURS THAT THE AFD MONITOR IS INOPERABLE AND | | EVERY 30 MINUTES AFTER THE AFD MONITOR IS INOPERABLE FOR GREATER THAN 24 | | HOURS. THE AFD MONITOR BECAME INOPERABLE AT 10:59 CDT ON SEPTEMBER 25, | | 1995, AND THE CONTROL ROOM STAFF COMMENCED HOURLY LOGGING OF THE INDICATED | | AFD. AT 10:59 CDT ON SEPTEMBER 26, 1995, MONITORING AND LOGGING OF THE | | INDICATED AFD SHOULD HAVE INCREASED TO 30-MINUTE INTERVALS, BUT IT | | CONTINUED AT AN HOURLY RATE. THE CONTROL ROOM STAFF DISCOVERED THIS AT | | 14:23 CDT ON SEPTEMBER 26, 1995, AND COMMENCED MONITORING AND LOGGING OF | | INDICATED AFD AT 30-MINUTE INTERVALS AT 14:30 CDT. A REVIEW OF THE CONTROL | | ROOM RECORDS AND THE HOURLY AFD LOGS INDICATED THAT AFD REMAINED IN THE | | TARGET BAND FROM 10:59 CDT THROUGH 14:30 CDT ON SEPTEMBER 26, 1995. | | | | THE LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29378 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 09/27/95 | |UNIT: [ ] [ ] [3] STATE: AZ |NOTIFICATION TIME: 02:03 [ET]| |RX TYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 09/26/95 | +------------------------------------------------+EVENT TIME: 18:00[MST]| |NRC NOTIFIED BY: JEAN-MARC L'EPLATTENIER |LAST UPDATE DATE: 09/27/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAIR SPITZBERG RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | REACTOR POWER EXCEEDED 100% BECAUSE OF A VALVE LINEUP PROBLEM | | | | A PROCEDURAL ERROR RESULTED IN A VALVE MISALIGNMENT WHICH ISOLATED THE | | ABNORMAL BLOWDOWN VALVES INTO THE BLOWDOWN FLASH TANK. THIS CONDITION | | AFFECTS THE INPUTS INTO THE COLSS COMPUTER PROGRAM AND CAUSES INDICATED | | POWER TO BE LESS THAN ACTUAL POWER. THIS IS CAUSED BY ACTUAL BLOWDOWN FLOW | | BEING LESS THAN INDICATED FLOW AND ACTUAL FEEDWATER FLOW BEING GREATER THAN | | INDICATED FEEDWATER FLOW. | | | | UPON DISCOVERY OF THIS CONDITION, REACTOR POWER WAS REDUCED TO ENSURE THAT | | THE 12 HOUR JSCALOR-H ROLLING AVERAGE CALCULATION REMAINED BELOW 100%. A | | TEST AND CALCULATION WAS MADE TO DETERMINE THE MAGNITUDE OF THE OVERPOWER | | CONDITION. THE TEST DEMONSTRATED THAT THE 100% POWER LIMIT WAS EXCEEDED BY | | A SMALL FRACTION OF A PERCENT (0.11%). THIS CONDITION EXISTED FROM 2300 ON | | 9/23 TO 0800 ON 9/24. THE TIME DELAY IN REPORTING WAS USED TO DETERMINE | | THE SIGNIFICANCE OF THIS EVENT. | | | | AS A RESULT OF THIS EVENT, THE BLOWDOWN PROCEDURE WAS CHANGED AND A NIGHT | | ORDER WAS ISSUED IN ALL THREE UNITS. THE INVESTIGATION INTO THIS EVENT IS | | ON GOING. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+