U.S. Nuclear Regulatory Commission Operations Center Event Reports For 10/12/94 - 10/13/94 ** EVENT NUMBERS ** 27887 27888 27889 27890 27891 27892 27893 27894 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27887 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 10/11/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 23:42 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 10/11/94 | +------------------------------------------------+EVENT TIME: 22:28[CDT]| |NRC NOTIFIED BY: MOTSEGOOD |LAST UPDATE DATE: 10/12/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RONALD GARDNER RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 88 POWER OPERATION | 88 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A TECHNICAL SPECIFICATION (T/S)-REQUIRED SHUTDOWN WAS INITIATED WHEN THE | | DRYWELL (DW) ATMOSPHERIC PARTICULATE RADIATION MONITORING (RM) SYSTEM AND | | THE DRYWELL SUMP FLOOR MONITORING SYSTEM WERE FOUND TO BE INOPERABLE. | | | | A T/S-REQUIRED SHUTDOWN WAS INITIATED PER T/S ACTION STATEMENT 3.4.3.1 WHEN | | THE DW ATMOSPHERIC PARTICULATE RM SYSTEM AND THE DW SUMP FLOOR MONITORING | | SYSTEM WERE FOUND TO BE INOPERABLE. THE DW ATMOSPHERIC PARTICULATE RM | | SYSTEM WAS TAKEN OUT OF SERVICE TO CHANGE THE PAPER-CATCH ASSOCIATED WITH | | THE SYSTEM. THE LICENSEE ANTICIPATES THAT THIS PROCESS WILL TAKE | | APPROXIMATELY 2 HOURS. INSPECTION OF THE "TAKE-UP REEL" DETERMINED THAT THE | | DW SUMP FLOOR MONITORING SYSTEM WAS NOT FUNCTIONAL FOR UNKNOWN REASONS. AN | | ALTERNATIVE MEANS OF MEASURING THE SUMP INVENTORY HAS BEEN ESTABLISHED (A | | TIMELY AUTOMATIC/MANUAL SUMP PUMP ACTUATION WHILE MEASURING THE PUMP-OUT | | TIMES TO ESTABLISH AN AVERAGE INVENTORY). | | | | THE LICENSEE ANTICIPATES THAT THE T/S REQUIRED SHUTDOWN WILL BE TERMINATED | | PRIOR TO THE REDUCTION OF POWER. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | | | | * * * UPDATE AT 0139 CDT ON 10/12/94 BY SHORT TAKEN BY WEAVER * * * | | THE 12 HOUR SHUTDOWN ACTION STATEMENT WAS EXITED AT 0025 CDT ON 10/12/94. | | THE PAPER PROBLEM WAS CORRECTED AND WAS VERIFIED TO BE OPERATING PROPERLY | | IN THE FISSION PRODUCT MONITOR (DRYWELL ATMOSPHERIC PARTICULATE MONITORING | | SYSTEM). NO POWER REDUCTION WAS INITIATED. THE LICENSEE WILL INFORM THE | | NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE R3DO (GARDNER). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27888 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GINNA REGION: 1 |NOTIFICATION DATE: 10/12/94 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 08:46 [ET]| |RX TYPE: [1] W-2-LP |EVENT DATE: 10/12/94 | +------------------------------------------------+EVENT TIME: 07:36[EDT]| |NRC NOTIFIED BY: SENSENBACH |LAST UPDATE DATE: 10/12/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL MODES RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 98 POWER OPERATION | 98 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - LOSS OF OFFSITE EMERGENCY SIRENS FOR GREATER THAN 1 HOUR - | | | | AT 0620, LICENSEE DISCOVERED THAT 24 OF THEIR WAYNE COUNTY OFFSITE | | EMERGENCY SIRENS WERE INOPERABLE DUE TO A LOSS OF AN OFFSITE POWER | | CIRCUIT FOR UNKNOWN REASONS. | | | | AT 0736, ALL SIRENS WERE RESTORED TO OPERABLE STATUS. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27889 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 10/12/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 15:25 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 10/12/94 | +------------------------------------------------+EVENT TIME: 13:20[CDT]| |NRC NOTIFIED BY: BRITZ |LAST UPDATE DATE: 10/12/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RONALD GARDNER 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SEVERAL PRESSURE SWITCHES IN ECCS ACTUATION LOGIC FOUND TO BE | | MISCALIBRATED. | | | | DURING QUARTERLY INSTRUMENT MAINTENANCE FUNCTIONAL TESTING, IT WAS | | DISCOVERED THAT THREE OF FOUR PRESSURE SWITCHES WHICH AUTO-START THE | | RESIDUAL HEAT REMOVAL (RHR) PUMP ON HIGH DRYWELL PRESSURE AND TWO OF FOUR | | PRESSURE SWITCHES WHICH START THE CORE SPRAY (CS) PUMPS (AND EMERGENCY | | DIESEL GENERATORS) WERE FOUND TO TRIP AT PRESSURE LEVELS GREATER THAN THE | | TECHNICAL SPECIFICATION LIMITS. THE CHANGE IN ACTUATION PRESSURE FOR THESE | | PRESSURE SWITCHES WAS APPROXIMATELY 0.1 PSIG. TECHNICIANS IMMEDIATELY | | RECALIBRATED THE PRESSURE SWITCHES AND RETURNED THE ACTUATION LOGICS TO | | SERVICE. | | | | AN INVESTIGATION OF PRESSURE SWITCHES AT BOTH UNITS IS IN PROGRESS. A PART | | 21 NOTIFICATION WILL BE CONSIDERED IF TEST DATA WARRANTS IT. THE CAUSE IS | | BELIEVED TO BE FAULTY CALIBRATION EQUIPMENT, CALIBRATION PROCEDURES, OR | | THEIR IMPLEMENTATION. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 27890 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: AMBRIC ENGINEERING INCORPORATED |NOTIFICATION DATE: 10/12/94 | | CITY: PHILADELPHIA REGION: 1 |NOTIFICATION TIME: 14:30 [ET]| | COUNTY: STATE: PA |EVENT DATE: 10/12/94 | |LICENSE#: 37-20968-01 AGREEMENT: N |EVENT TIME: 08:15[EDT]| | DOCKET: 03022114 |LAST UPDATE DATE: 10/12/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |MICHAEL MODES RDO | | |PAPERIELLO (NMSS) EO | +------------------------------------------------+WARREN IAT | |NRC NOTIFIED BY: SMITH | | |HQ OPS OFFICER: GREG SCARFO | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AMBRIC ENGINEERING INCORPORATED OF PHILADELPHIA, PENNSYLVANIA, REPORTED | | THAT A TROXLER GAGE WAS STOLEN. | | | | AN EMPLOYEE OF AMBRIC ENGINEERING INCORPORATED OF PHILADELPHIA, | | PENNSYLVANIA, BROUGHT A TROXLER GAGE HOME WITH HIM IN ANTICIPATION OF ITS | | USE AT A JOB SITE THE NEXT DAY. AT 0815EDT, IT WAS DETERMINED THAT THE | | TROXLER GAGE WAS STOLEN FROM HIS VEHICLE DURING THE EVENING. THE GAGE | | CONTAINED 8 MILLICURIES OF CESIUM-137 AND 40 MILLICURIES OF AMERICIUM-241. | | LOCAL POLICE HAVE BEEN NOTIFIED AND ARE CONDUCTING AN INVESTIGATION AT THIS | | TIME. REGION 1 (BROWN) WAS NOTIFIED BY THE LICENSEE. | | | | * * * UPDATE 10/12/94 1803EDT FROM:SMITH BY:SCARFO * * * | | THE STOLEN TROXLER GAGE WAS FOUND BY AUTHORITIES IN NORTH PHILADELPHIA, | | PENNSYLVANIA, AND BEING RETURNED TO THE LICENSEE. THERE IS NO INDICATION | | AT THIS TIME OF THE CONDITION OF THE GAGE. R1DO(MODES), NMSS EO(HOLONICH), | | IAT(WARREN) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27891 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT SAINT VRAIN REGION: 4 |NOTIFICATION DATE: 10/12/94 | |UNIT: [1] [ ] [ ] STATE: CO |NOTIFICATION TIME: 17:31 [ET]| |RX TYPE: [1] GA (GENERAL ATOMIC) |EVENT DATE: 10/12/94 | +------------------------------------------------+EVENT TIME: 14:25[MDT]| |NRC NOTIFIED BY: SHAFER |LAST UPDATE DATE: 10/12/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |IAN BARNES 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 N 0 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE COLORADO DEPARTMENT OF HEALTH WAS NOTIFIED THAT THE pH OF THE DISCHARGE | | POND IS ABOVE THE WASTE WATER DISCHARGE PERMIT LEVEL. | | | | THE COLORADO DEPARTMENT OF HEALTH WAS NOTIFIED THAT A pH OF 9.34 WAS | | MEASURED DURING THE WEEKLY pH TEST OF THE "FARM" DISCHARGE POND. THIS IS | | ABOVE THE WASTE WATER DISCHARGE PERMIT pH LIMIT OF 9.0. THE CHANGE IN pH | | OF THE FARM POND IS ATTRIBUTED TO BIOLOGICAL GROWTH AND NOT ASSOCIATED WITH | | ANY DISCHARGE FROM THE PLANT. | | | | THE pH OF THE FARM POND IS NOT ACTIVELY CONTROLLED BY THE PLANT OR ANY | | OTHER ENTITY. THIS LIMIT WILL BE LIFTED IN JANUARY OF 1995, HOWEVER, IT IS | | ANTICIPATED THAT THIS CONDITION WILL NOT IMPROVE DURING THE INTERIM. | | THEREFORE, SUCH REPORTS ARE EXPECTED TO BE SUBMITTED WEEKLY UNTIL JANUARY. | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27892 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: RIVER BEND REGION: 4 |NOTIFICATION DATE: 10/12/94 | |UNIT: [1] [ ] [ ] STATE: LA |NOTIFICATION TIME: 20:29 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 10/12/94 | +------------------------------------------------+EVENT TIME: 17:00[CDT]| |NRC NOTIFIED BY: RIVERBEND |LAST UPDATE DATE: 10/12/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |IAN BARNES RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND |CALVO EO | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | SEVERAL CONTROL ROD (CR) DRIVE INSERTION PIPES WERE FOUND TO BE LEAKING OR | | HAVE LINEAR INDICATIONS. | | | | DURING A DRYWELL WALKDOWN PRIOR TO STARTUP ON 10/10/94, OPERATORS FOUND A | | CONTROL ROD INSERTION PIPE (LINE WHICH RUNS FROM THE HYDRAULIC CONTROL UNIT | | INTO THE DRYWELL TO THE CONTROL ROD DRIVE MECHANISM) LEAKING REACTOR | | COOLANT ONTO THE DRYWELL FLOOR. EXTENSIVE VISUAL AND ULTRASONIC TESTING OF | | OTHER CR INSERTION LINES IN THE AREA DETERMINED THAT ONE (1) OTHER | | INSERTION LINE SUSTAINED A THROUGH-WALL INDICATION AND FOUR (4) OTHER | | INSERTION LINES HAD LINEAR INDICATIONS OF LESSER EXTENT. EACH LINE ALSO | | WAS FOUND WITH AN UNIDENTIFIED BLACK SUBSTANCE ON ITS EXTERIOR. CHEMICAL | | ANALYSIS OF THE SUBSTANCE IS IN PROGRESS. THESE LINES ARE 1.0-1.25 INCH | | STAINLESS STEEL PIPES. | | | | THE LEAKING CR INSERTION PIPE HAS BEEN REPLACED WHILE THE SECOND CR | | INSERTION PIPE WITH THE THROUGH-WALL INDICATION WILL BE REPLACED. OTHER | | LINES WILL BE REPLACED OR REPAIRED AS NECESSARY. THE LICENSEE PLANS TO | | EXTEND THIS INVESTIGATION TO OTHER CR INSERTION AND WITHDRAWAL LINES. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27893 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 10/12/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 21:00 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 10/12/94 | +------------------------------------------------+EVENT TIME: 18:55[CDT]| |NRC NOTIFIED BY: STERN |LAST UPDATE DATE: 10/12/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RONALD GARDNER 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 +------------------------------------------------------------------------------+ | A DESIGN DEFICIENCY WAS DISCOVERED WHICH RENDERS THE EMERGENCY DIESEL | | GENERATORS (EDGs) INOPERABLE WHEN THE CARBON DIOXIDE FIRE SUPPRESSION | | SYSTEM IS ACTUATED. | | | | DURING AN ENGINEERING EVALUATION, IT WAS DISCOVERED THAT THREE (3) RELAYS | | ASSOCIATED WITH THE EDGs, SHUTDOWN THE EDGs' VENTILATION SYSTEMS WHEN THE | | CO2 FIRE SUPPRESSION SYSTEM IS ACTUATED. ALL THREE RELAYS ARE LOCATED IN | | ELECTRICAL PANEL "2212-47". IF A FIRE WERE TO OCCUR IN OR NEAR THAT PANEL, | | ALL THREE (3) EDGs WOULD BE TECHNICALLY INOPERABLE WHEN THE CO2 FIRE | | SUPPRESSION SYSTEM ACTUATES. TWO OF THE THREE EDGs ARE REQUIRED FOR SAFE | | SHUTDOWN OF THE PLANT. | | | | THE SWING DIESEL ACTUATION SYSTEM CONTAINS A MANUAL BYPASS SWITCH WHICH | | ALLOWS OPERATORS TO RE-ACTUATE THE VENTILATION SYSTEM FOR THE SWING EDG. | | THE LICENSEE PLANS TO INSTALL MANUAL BYPASS SWITCHES ON THE REMAINING TWO | | (2) EDGs TO PROVIDE A SIMILAR CAPABILITY. NORMAL OPERATING PROCEDURES WILL | | BE REVISED TO INCLUDE THIS MODE OF OPERATION. THE LICENSEE INFORMED THE | | NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27894 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MONTICELLO REGION: 3 |NOTIFICATION DATE: 10/13/94 | |UNIT: [1] [ ] [ ] STATE: MN |NOTIFICATION TIME: 03:45 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 10/13/94 | +------------------------------------------------+EVENT TIME: 00:08[CDT]| |NRC NOTIFIED BY: COX |LAST UPDATE DATE: 10/13/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RONALD GARDNER 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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ESF ACTUATION CAUSED BY LOSS OF 120 VAC UNINTERRUPTIBLE POWER SUPPLY (UPS) | | | | WHILE RESTORING THE NORMAL POWER SUPPLY TO THE 120 VAC UPS DIVISION II, THE | | SUPPLY BREAKER FROM THE ALTERNATE SOURCE TRIPPED. THIS CAUSED A LOSS OF | | THE POWER SUPPLY TO THE LOGIC FOR THE GROUP II ISOLATION FOR SHUTDOWN | | COOLING. SHUTDOWN COOLING ISOLATED AS EXPECTED. SHUTDOWN COOLING WAS NOT | | IN SERVICE DURING THIS EVENT. REACTOR TEMPERATURE IS 90 DEGREES F. | | | | THE ALTERNATE POWER SUPPLY BREAKER AND GROUP II ISOLATION LOGIC WERE RESET. | | ALL VALVES WERE RETURNED TO THEIR ORIGINAL POSITION. THE CAUSE OF THE | | BREAKER TRIP IS UNDER INVESTIGATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+