U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/24/94 - 06/27/94 ** EVENT NUMBERS ** 27445 27446 27447 27448 27449 27450 27451 27452 27453 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27445 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: RIVER BEND REGION: 4 |NOTIFICATION DATE: 06/24/94 | |UNIT: [1] [ ] [ ] STATE: LA |NOTIFICATION TIME: 07:31 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 06/24/94 | +------------------------------------------------+EVENT TIME: 04:53[CDT]| |NRC NOTIFIED BY: CLARENCE BUSH |LAST UPDATE DATE: 06/24/94 | |HQ OPS OFFICER: THOMAS ANDREWS +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS WESTERMAN RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AT 0453 CDT, DURING PERFORMANCE OF THE DIVISION II REMOTE SHUTDOWN SYSTEM | | CONTROL CIRCUIT OPERABILITY TEST, AN INITIATION OF "1SWP*P2B" AND | | "1SWP*P2D" STANDBY SERVICE WATER PUMPS OCCURRED. | | | | BY PROCEDURE, "1CCP*MOV16B" (REACTOR PLANT COMPONENT COOLING WATER SYSTEM | | LOOP "B" SUPPLY) WAS CLOSED, WHICH ISOLATED WATER TO THE LOW REACTOR PLANT | | COMPONENT COOLING WATER SYSTEM PRESSURE INSTRUMENTS THAT INITIATE DIVISION | | II STANDBY SERVICE WATER. THE PROCEDURE HAD NO PRECAUTIONS WARNING THE | | OPERATOR OF THE LOW PRESSURE CONDITION CAUSED BY CLOSING THE VALVE. | | | | AT 0455 CDT, "1CCP*MOV16B" WAS REOPENED, THE INITIATION WAS RESET, AND THE | | STANDBY SERVICE WATER PUMPS WERE SECURED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27446 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 06/24/94 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 18:27 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 06/24/94 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: DiMARCO |LAST UPDATE DATE: 06/24/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - STATE NOTIFIED OF A HIGH CHLORINE DISCHARGE DIRECTLY INTO HUDSON RIVER - | | | | FROM APPROXIMATELY 06/05/94 TO 06/13/94 LICENSEE DISCHARGED CHLORINATED | | WATER DIRECTLY INTO THE HUDSON RIVER THROUGH A RUPTURED UNDERGROUND PIPE. | | THE DISCHARGED WATER CONTAINED APPROXIMATELY 176 POUNDS OF CHLORINE PER DAY | | (LIMIT IS 100 POUNDS OF CHLORINE PER DAY) WITH A CONCENTRATION ABOVE THE | | 0.2 PPM LIMIT. | | | | AT 1600 ON 06/24/94, LICENSEE DETERMINED THE LOCATION OF THE UNDERGROUND | | PIPE RUPTURE. LICENSEE IS REPAIRING THE RUPTURED PIPE. | | | | AT 1745 ON 06/24/94, LICENSEE NOTIFIED THE NEW YORK STATE DEPARTMENT OF | | ENVIRONMENTAL CONSERVATION OF THE DISCHARGE AND WILL SUBMIT A WRITTEN | | REPORT. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27447 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 06/24/94 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 20:38 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 06/24/94 | +------------------------------------------------+EVENT TIME: 20:20[EDT]| |NRC NOTIFIED BY: BATES |LAST UPDATE DATE: 06/24/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - POSSIBLE DEFECTIVE FUSES INSTALLED IN VITAL AC INVERTERS IN UNITS 1 & 2 - | | | | BUSSMANN COMPANY REPRESENTATIVES NOTIFIED LICENSEE THAT A POTENTIAL DEFECT | | EXISTS WITH BUSSMANN TYPE KTK, 120 VAC, 5 AMP FUSES WITH DATE CODE #V-303 | | DUE TO A POSSIBLE MANUFACTURING DEFECT. POSSIBLE COLD SOLDER JOINTS COULD | | ALLOW THESE FUSES TO OPEN UNEXPECTEDLY. | | | | THESE TYPE FUSES ARE PRESENTLY INSTALLED IN 6 VITAL AC INVERTERS IN UNIT 2, | | 7 VITAL AC INVERTERS IN UNIT 1 (PRESENTLY AT 100% POWER) AND NO EQUIPMENT | | IN UNIT 3 (PRESENTLY AT 100% POWER). LICENSEE HAS 7 OF THIS TYPE FUSES IN | | STOCK FOR UNITS 1 & 2. | | | | LICENSEE DESTRUCTIVELY TESTED THESE IN-STOCK FUSES AND FOUND NO COLD SOLDER | | JOINTS. | | | | LICENSEE HAS ADEQUATE QUANTITIES OF SUITABLE REPLACEMENT FUSES FROM OTHER | | MANUFACTURERS. | | | | LICENSEE WILL SUBMIT AN LER TO THE NRC ON THESE FUSES. | | | | THE CALLER DID NOT KNOW IF BUSSMANN COMPANY HAD SUBMITTED OR IF THE | | LICENSEE PLANS TO SUBMIT A 10CFR21 REPORT TO THE NRC ON THESE FUSES. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27448 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 06/24/94 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 20:38 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/24/94 | +------------------------------------------------+EVENT TIME: 17:00[PDT]| |NRC NOTIFIED BY: DYE |LAST UPDATE DATE: 06/24/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS WESTERMAN 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 +------------------------------------------------------------------------------+ | - CCW FLOW TO CCP LUBE OIL COOLERS OUTSIDE DESIGN BASIS SINCE INITIAL S/U - | | | | FROM INITIAL PLANT STARTUP (UNIT 1 - 1984, UNIT 2 - 1985) UNTIL 05/28/94, | | UNIT 1 AND UNIT 2 HAVE OPERATED OUTSIDE THEIR DESIGN BASIS WITH RESPECT TO | | COOLING TO THE CENTRIFUGAL CHARGING PUMPS (CCP). | | | | DURING THIS TIME PERIOD, COMPONENT COOLING WATER (CCW) TO THE CCP LUBE OIL | | COOLERS HAD BEEN THROTTLED TO MAINTAIN VENDOR RECOMMENDED LUBE OIL | | TEMPERATURES DURING NORMAL PLANT OPERATION. | | | | LER #1-93-012-02 REPORTED THAT CCW TEMPERATURES WOULD RISE ABOVE DESIGN | | BASIS TEMPERATURE LIMITS DURING A DESIGN BASIS LOCA. RESULTS OF LICENSEE | | INVESTIGATION CONDUCTED AFTER THE LER WAS SUBMITTED SUGGESTED THAT | | THROTTLED FLOW MAY NOT PROVIDE ADEQUATE COOLING FOR DBA CONDITIONS. | | | | ON 05/28/94, LICENSEE FULLY OPENED THE COOLING WATER VALVES AS A | | CONSERVATIVE ACTION PENDING FLOW RATE VERIFICATION. | | | | BASED ON TESTING COMPLETED ON 06/24/94, LICENSEE DETERMINED THAT FLOW RATES | | IN THE THROTTLED CONDITION WOULD NOT HAVE BEEN SUFFICIENT TO SUPPORT PUMP | | OPERATION PAST THE INJECTION PHASE. FLOW RATES WITH THESE VALVES FULLY | | OPEN WILL SUPPORT PUMP OPERATION IN ALL REQUIRED ACCIDENT CONDITIONS. | | | | LICENSEE INTENDS TO OPERATE WITH THESE VALVES FULLY OPEN. | | | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27449 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 06/24/94 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 22:11 [ET]| |RX TYPE: [1] CE |EVENT DATE: 06/24/94 | +------------------------------------------------+EVENT TIME: 21:50[EDT]| |NRC NOTIFIED BY: MALONEY |LAST UPDATE DATE: 06/24/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE 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 HOT STANDBY | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -RELEASED H2O CONTAINED HIGHER RADIOACTIVITY LEVEL THAN PUBLICLY ANNOUNCED- | | | | LICENSEE MADE AN ANNOUNCEMENT ON THE PUBLIC INFORMATION TELEPHONE LINE | | (AN ANSWERING MACHINE) THAT THEY INTENDED TO RELEASE WATER FROM THE PLANT | | THAT CONTAINED A MAXIMUM OF 0.01 CURIES OF RADIOACTIVITY WITHIN THE | | FOLLOWING 24 HOURS. | | | | HOWEVER, THE WATER THAT WAS SUBSEQUENTLY RELEASED FROM THE PLANT ACTUALLY | | CONTAINED A MAXIMUM OF 0.104 CURIES OF RADIOACTIVITY. | | | | SINCE THE MONITORED RADIOACTIVITY LEVEL OF THE WATER RELEASED FROM | | THE PLANT WAS HIGHER THAN THAT STATED IN THE PUBLIC INFORMATION LINE, | | LICENSEE NOTIFIED THE MAINE STATE EMERGENCY MANAGEMENT AGENCY AND THE | | MAINE STATE NUCLEAR SAFETY INSPECTOR IN ACCORDANCE WITH THEIR STATE | | REQUIREMENTS. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27450 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 06/25/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 03:50 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/25/94 | +------------------------------------------------+EVENT TIME: 03:39[EDT]| |NRC NOTIFIED BY: MARIOS KAFANTARIS |LAST UPDATE DATE: 06/25/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 1 STARTUP | 1 STARTUP | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE ENTERED AND EXITED A TECH SPEC REQUIRED SHUTDOWN DUE TO AN | | INDIVIDUAL ROD POSITION INDICATION (IRPI) PROBLEM. | | | | THE LICENSEE ENTERED TECH SPEC 3.0.3 DUE TO TWO IRPIS IN THE SAME SHUTDOWN | | BANK READING GREATER THAN 12 STEPS FROM THEIR GROUP DEMAND INDICATION. TECH | | SPEC 3.0.3 WAS ENTERED AT 02:38 6/25/94 AND THE CONTROLS DEPARTMENT WAS | | DISPATCHED TO FIX AT LEAST ONE OF THE IRPIS IN THAT BANK. AT 03:41 ONE OF | | THE IRPIS IN THE SHUTDOWN BANK WAS BROUGHT IN SPEC AND THE SHUTDOWN WAS | | TERMINATED AND TECH SPEC 3.0.3 WAS EXITED. POWER WAS DECREASED | | APPROXIMATELY .5% FROM 1.8% TO 1.3%. | | | | THE TWO RODS THAT WERE AFFECTED WERE RODS IN SHUTDOWN BANK "A" AND WERE | | RODS 2SA-1 AND 2SA-4. THE GROUP DEMAND INDICATION INDICATED THAT THE RODS | | SHOULD BE AT 225 STEPS AND IRPI SHOWED THEM AT 210 STEPS. BOTH OF THE | | IRPIS CHANGED AT APPROXIMATELY THE SAME TIME. THE IRPI FOR ROD 2SA-4 WAS | | RETURNED TO SERVICE. IN ADDITION, AN IRPI IN A CONTROL BANK (1B-2) WAS | | ALSO NOTED TO HAVE A GREATER THAN 12 STEP DIFFERENCE FROM ITS GROUP DEMAND | | INDICATION AT ABOUT THE SAME TIME THE PROBLEM OCCURRED WITH THE IRPIS IN | | SHUTDOWN BANK "A". | | | | THE LICENSEE IS STILL INVESTIGATING THE CAUSE OF THE PROBLEM AND IS STILL | | IN A TECH SPEC ACTION STATEMENT BECAUSE OF THE CONTINUING PROBLEM WITH THE | | IRPI FOR RODS 2SA-1 AND 1B-2. THE TECH SPEC ACTION STATEMENT REQUIRES THAT | | THE LICENSEE REDUCE POWER TO LESS THAN 50 % IF ONE OF THE IRPIS IN A ROD | | BANK DIFFERS FROM THE GROUP DEMAND INDICATION BY MORE THAN 12 STEPS. | | | | THE LICENSEE IS CURRENTLY AT REDUCED POWER BECAUSE OF DREDGING THAT IS | | BEING DONE IN THE CIRC WATER INTAKE STRUCTURE DUE TO PAST PROBLEMS WITH SEA | | GRASS BLOCKAGE. THE LICENSEE WILL NOT CHANGE MODES UNTIL THE PROBLEM WITH | | IRPI IS FIXED AND THE DREDGING IS COMPLETED. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27451 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 06/25/94 | |UNIT: [ ] [2] [ ] STATE: TX |NOTIFICATION TIME: 21:23 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/25/94 | +------------------------------------------------+EVENT TIME: 17:16[CDT]| |NRC NOTIFIED BY: ROYCE BROWN |LAST UPDATE DATE: 06/25/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS WESTERMAN RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION |BRUCE BOGER EO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 47 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - TURBINE TRIP/Rx TRIP DUE TO MAIN TRANSFORMER ELECTRICAL BUS LOCKOUT - | | | | AT 1716 (CDT), UNIT 2 RECEIVED A MAIN TURBINE TRIP DUE TO A MAIN | | TRANSFORMER ELECTRICAL BUS LOCKOUT FOR UNKNOWN REASONS. THIS CAUSED THE | | REACTOR COOLANT PUMPS TO TRIP. THE REACTOR TRIPPED FROM 47% POWER DUE TO | | AN UNDERVOLTAGE SIGNAL ON THE REACTOR COOLANT PUMPS. ALL CONTROL RODS | | INSERTED COMPLETELY. | | | | 1 OF 3 EDGs (#21) STARTED AND SUPPLIED POWER TO EMERGENCY BUS #E1A, | | AS EXPECTED. 2 PRESSURIZER PORVs LIFTED TO CONTROL PRESSURE AND RESEATED | | PROPERLY, AS EXPECTED. 4 OF 4 AFW PUMPS (3 ELECTRIC AND 1 STEAM DRIVEN) | | STARTED, AS EXPECTED. | | | | CONTROL ROOM OPERATORS MANUALLY SHUT THE MSIVs, MANUALLY ALIGNED AUXILIARY | | SPRAY IN THE PRESSURIZER FOR PRESSURE CONTROL USING THE CHARGING PUMPS, | | VERIFIED NATURAL CIRCULATION FLOW, REDUCED AFW FLOW, AND EMERGENCY BORATED | | FOR LESS THAN 10 MINUTES, AS A PRECAUTION. | | | | RCS TEMPERATURE COOLED DOWN FROM 575-580 DEGREES F (NORMAL) AT 47% POWER TO | | 554 DEGREES F IN 15 MINUTES (TECH SPEC COOLDOWN RATE LIMIT IS | | 100 F DEGREES PER HOUR). | | | | UNIT 2 IS STABLE IN MODE 3 (HOT STANDBY) WITH 1 OF 4 REACTOR COOLANT PUMPS | | ('D') RUNNING, AFW PUMPS RUNNING, STEAM BEING DUMPED TO THE ATMOSPHERE | | THROUGH THE STEAM GENERATOR PORVs, AND OFFSITE POWER REESTABLISHED. | | UNIT 2 HAS ADEQUATE MAKEUP WATER FOR AN EXTENDED PERIOD OF TIME. | | | | THE SECONDARY PLANT FEEDWATER SYSTEM EXPERIENCED A WATER HAMMER AND HAS | | SUSTAINED SOME DAMAGE. LICENSEE PRESENTLY IS ASSESSING THE DAMAGE AND | | INVESTIGATING THE CAUSE OF THE MAIN TRANSFORMER ELECTRICAL BUS LOCKOUT. | | | | THIS EVENT HAD NO EFFECT ON UNIT 1 WHICH IS AT 100% POWER. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | LICENSEE MAY ISSUE A PRESS RELEASE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27452 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 06/26/94 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 19:26 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/26/94 | +------------------------------------------------+EVENT TIME: 17:10[EDT]| |NRC NOTIFIED BY: PATON |LAST UPDATE DATE: 06/26/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN ROGGE 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - CONTAINMENT LEAK DETECTOR ISOLATED DUE TO HUMAN ERROR - | | | | AT 1710, WHILE PERFORMING MAINTENANCE ACTIVITIES, A TECHNICIAN PULLED AN | | INCORRECT FUSE TO THE UNIT 1 COOLING TOWER INDICATION HEATER CAUSING | | CONTAINMENT LEAK DETECTOR ISOLATION VALVES 'B' AND 'D' TO CLOSE. | | | | AT 1711, THE TECHNICIAN REINSTALLED THE FUSE AND OPENED THE ISOLATION | | VALVES TO PLACE THE UNIT 1 CONTAINMENT LEAK DETECTOR BACK IN OPERATION. | | | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27453 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 06/27/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 03:44 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 06/27/94 | +------------------------------------------------+EVENT TIME: 01:45[EDT]| |NRC NOTIFIED BY: RABDY RIDDLE |LAST UPDATE DATE: 06/27/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE STATE OF NEW JERSEY WAS NOTIFIED OF A DISCHARGE OF HYDRAZINE EXCEEDING | | THE LICENSEE'S NATIONAL POLLUTION DISCHARGE AND ELIMINATION SYSTEM (NPDES) | | PERMIT. | | | | THE NEW JERSEY DEPARTMENT OF ENVIRONMENTAL PROTECTION WAS NOTIFIED BY THE | | LICENSEE THAT SEVERAL HUNDRED GALLONS OF WATER WERE DRAINED FROM AN | | AUXILIARY BOILER IN SUPPORT OF MAINTENANCE. THIS WATER WAS IDENTIFIED TO | | CONTAIN HYDRAZINE OF 30 PPB CONCENTRATION. THE CURRENT NPDES PERMIT DOES | | NOT ALLOW THE LICENSEE TO DISCHARGE ANY HYDRAZINE. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR AND HAS INFORMED LOWER | | ALLOWAYS CREEK TOWNSHIP OFFICIALS. | +------------------------------------------------------------------------------+