U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/14/95 - 09/15/95 ** EVENT NUMBERS ** 29329 29331 29332 29333 29334 29335 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29329 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 09/13/95 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 17:58 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 09/13/95 | +------------------------------------------------+EVENT TIME: 11:00[EDT]| |NRC NOTIFIED BY: ROLAND |LAST UPDATE DATE: 09/14/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT COMMENCED A TECHNICAL SPECIFICATION 3.6.1.1 REQUIRED SHUTDOWN AT | | 17:30 DUE TO THE FAILURE OF A LLRT FOR DRYWELL AND SUPPRESSION CHAMBER | | NITROGEN/AIR PURGE CONTAINMENT PENETRATIONS. | | | | DURING THE PERFORMANCE OF A LLRT FOR THE DRYWELL AND SUPPRESSION CHAMBER | | NITROGEN/AIR PURGE PENETRATIONS OF THE PRIMARY CONTAINMENT, THE TEST VOLUME | | WAS NOT ABLE TO BE PRESSURIZED. THE ASSOCIATED VALVES WERE STROKED IN AN | | ATTEMPT TO IDENTIFY THE SOURCE OF THE LEAK. IN ADDITION, VALVE STROKES | | WERE ALSO ADJUSTED IN ATTEMPT TO ESTABLISH A GOOD SEAL, HOWEVER, WITHOUT | | SUCCESS. | | | | THE AS-FOUND LEAK RATE WAS GREATER THAN 200 STANDARD LITERS PER MINUTE | | (SLM). STROKING THE VALVES DROPPED THE LEAKAGE TO AS LOW AS 150 SLM. | | ADJUSTING THE TRAVEL STOPS ON THE VALVES HAS THE LEAKAGE CURRENTLY AT 190 | | SLM @ 42 PSIG. (THE LEAKAGE LIMIT IS <15.7 SLM.) | | | | THE LICENSEE WILL ENTER ITS REFUELING AND INSPECTION OUTAGE WHILE SHUTDOWN. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED, AND A PRESS RELEASE WILL BE MADE. | | | | * * * UPDATE @ 2:08 9/14/95 FROM FERNSLER TAKEN BY SEBROSKY * * * | | AT 23:32 ON 9/13/95 WITH THE PLANT AT 16% POWER, THE LICENSEE PLACED THE | | MODE SWITCH IN THE SHUTDOWN POSITION. THE POST-SCRAM RESPONSE WAS NORMAL. | | THE LICENSEE WAS ORIGINALLY SCHEDULED TO ENTER ITS REFUELING OUTAGE ON | | 9/15/95. | | | | THE LICENSEE HAS INFORMED THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE | | R1DO (RULAND). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29331 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 09/14/95 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 18:02 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 09/14/95 | +------------------------------------------------+EVENT TIME: 15:50[CDT]| |NRC NOTIFIED BY: JIM SPIELER |LAST UPDATE DATE: 09/14/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 82 POWER OPERATION | 82 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION OF AN OIL SPILL | | | | THE LICENSEE NOTIFIED THE NATIONAL RESPONSE CENTER OF AN OIL SPILL ON OWNER | | CONTROLLED PROPERTY. APPROXIMATELY 30 GALLONS OF OIL LEAKED FROM TWO | | TANKER TRUCKS. THE TANKERS WERE BEING USED TO STORE OIL THAT WAS REMOVED | | FROM A NEARBY SPARE TRANSFORMER WHICH WAS UNDERGOING MAINTENANCE. | | | | THE OIL IS MINERAL BASED, NON-PCB, AND NON-RADIOACTIVE. THE AREA OF THE | | OIL SPILL IS OUTSIDE OF THE PROTECTED AREA. | | | | A CONTAINER HAS BEEN SET UP TO CATCH THE LEAKING OIL, AND PLANS ARE BEING | | MADE TO MOVE THE TRUCKS OFFSITE FOR REPAIR. THE AREA OF THE OIL SPILL WILL | | EITHER BE DUG UP, BARRELED, AND DISPOSED OF OR TREATED BY BIOREMEDIATION. | | | | THE NATIONAL RESPONSE CENTER WAS NOTIFIED AT 15:50 CDT. THE ILLINOIS | | EMERGENCY MANAGEMENT AGENCY AND THE NRC RESIDENT INSPECTOR HAVE ALSO BEEN | | NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29332 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 09/14/95 | |UNIT: [1] [ ] [ ] STATE: CA |NOTIFICATION TIME: 18:42 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/14/95 | +------------------------------------------------+EVENT TIME: 15:00[PDT]| |NRC NOTIFIED BY: BOB MAGRUDER |LAST UPDATE DATE: 09/14/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |IAN BARNES 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -18 OF 20 STEAM GENERATOR SAFETY VALVE LIFT PRESSURES FOUND OUTSIDE OF THE | | ALLOWED BAND- | | | | STEAM GENERATOR SAFETY VALVE LIFT PRESSURES WERE BEING CHECKED AS PART OF | | PRE-OUTAGE MAINTENANCE, AND 18 OF 20 SAFETIES WERE FOUND OUTSIDE THE | | ALLOWED BAND OF +/- 1% AROUND THE SETPOINT. THE MAXIMUM LIFT PRESSURE | | FOUND WAS 9% OVER THE TECHNICAL SPECIFICATION LIMIT, AND 16 OF 20 WERE 3% | | OR MORE OVER THE TECHNICAL SPECIFICATION LIMIT. ALL OF THE STEAM GENERATOR | | SAFETY VALVES ARE OF THE SAME MAKE (DRESSER MODEL 3707R). | | | | EACH SAFETY VALVE LIFT PRESSURE WAS RESET TO WITHIN +/- 1% OF THE SETPOINT. | | THE PLANT IS INVESTIGATING THE CAUSE OF THE HIGH LIFT PRESSURES. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29333 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 09/14/95 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 22:21 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 09/14/95 | +------------------------------------------------+EVENT TIME: 19:38[EDT]| |NRC NOTIFIED BY: THOMAS WOOLEY |LAST UPDATE DATE: 09/14/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 3 | M/R Y 54 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MANUAL REACTOR TRIP BECAUSE OF HIGH GENERATOR STATOR TEMPERATURE | | | | THE REACTOR WAS MANUALLY TRIPPED FROM 54% POWER WHEN A HIGH MAIN GENERATOR | | STATOR TEMPERATURE ALARM WAS RECEIVED. ALL RODS FULLY INSERTED. AUXILIARY | | FEED STARTED AND WAS BEING USED TO MAINTAIN STEAM GENERATOR LEVELS. STEAM | | WAS BEING DUMPED TO THE MAIN CONDENSER AS NECESSARY TO REMOVE DECAY HEAT. | | | | ALL OFF SITE POWER SOURCES AND TWO OF THREE EMERGENCY DIESEL GENERATORS ARE | | OPERABLE. THE THIRD EDG IS IN THE PROCESS OF BEING RETESTED AFTER THE | | COMPLETION OF A SURVEILLANCE. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE STATOR HIGH TEMPERATURE. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29334 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 09/14/95 | |UNIT: [1] [2] [ ] STATE: FL |NOTIFICATION TIME: 22:25 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 09/14/95 | +------------------------------------------------+EVENT TIME: 21:20[EDT]| |NRC NOTIFIED BY: KORTH |LAST UPDATE DATE: 09/14/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N Y 57 POWER OPERATION | 57 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -SAFEGUARDS SYSTEM DEGRADATION RELATED TO THE SECURITY COMPUTER- | | | | IMMEDIATE COMPENSATORY MEASURES WERE TAKEN UPON DISCOVERY. SEE HOO LOG FOR | | DETAILS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29335 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 09/14/95 | |UNIT: [1] [2] [ ] STATE: NJ |NOTIFICATION TIME: 23:02 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/14/95 | +------------------------------------------------+EVENT TIME: 21:05[EDT]| |NRC NOTIFIED BY: GWIRTZ |LAST UPDATE DATE: 09/14/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND 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 | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 230-VAC VITAL BUSES DECLARED INOPERABLE FOR BOTH UNITS. | | | | DURING THE PERFORMANCE OF PREVENTATIVE MAINTENANCE ON THE 1B VITAL 230-VAC | | MOTOR CONTROL CENTER, THE BUS BOLTING WAS DETERMINED TO HAVE LESS THAN | | ADEQUATE STRENGTH TO MEET ALL DESIGN BASIS EVENTS (i.e. SEISMIC). THE | | INSPECTIONS WERE THE RESULT OF SALEM'S SYSTEM READINESS REVIEW PROGRAM, | | WHICH DISCOVERED THIS POTENTIAL CONDITION AS A RESULT OF A REVIEW OF AN | | INFORMATION NOTICE (88-11). THE BOLTING STRENGTH APPARENTLY HAS BEEN | | AFFECTED BY A CORROSION MECHANISM OF A YET UNKNOWN NATURE. | | | | THE DISCOVERY OF THIS CONDITION HAS RESULTED IN DECLARING ALL OF THE | | 230-VAC MOTOR CONTROL CENTERS INOPERABLE. THE INOPERABILITY OF THESE MOTOR | | CONTROL CENTERS HAS SUBSEQUENTLY LEAD TO DECLARING ALL DIESEL GENERATORS | | INOPERABLE AND ALL ELECTRICAL EQUIPMENT INOPERABLE DUE TO LOSS OF EMERGENCY | | POWER CAPABILITIES. DIESEL GENERATOR INOPERABILITY IS THE RESULT OF THE | | RESPECTIVE SUPPORT SYSTEMS INCLUDING FUEL OIL TRANSFER PUMPS BEING | | INOPERABLE BECAUSE OF THE STATUS OF THEIR POWER SUPPLIES. | | | | TECHNICAL SPECIFICATION ACTION STATEMENT REQUIRES SUSPENSION OF CORE | | ALTERATION, ESTABLISHING CONTAINMENT INTEGRITY FOR UNIT 2, AND NO POSITIVE | | REACTIVITY ADDITIONS. CORE ALTERATIONS WERE NOT IN PROCESS AT THE TIME OF | | THE DISCOVERY, AND EFFORTS TO ESTABLISH CONTAINMENT INTEGRITY ARE IN | | PROGRESS. OTHER COMPENSATORY ACTIONS INCLUDE BACKUP SAMPLING FOR | | INOPERABLE RADIATION MONITORS. | | | | THE EQUIPMENT NOT AVAILABLE AT THIS TIME DUE TO REASONS UNRELATED TO THIS | | EVENT ARE: | | | | UNIT 1 - DIESEL GENERATOR 1B, SERVICE WATER HEADER 11, AND SERVICE WATER | | BAY 1. | | | | UNIT 2 - COMPONENT COOLING WATER PUMP 22 AND EMERGENCY AIR COMPRESSOR 2. | | | | THE MOTOR CONTROL CENTERS INVOLVED ARE GE MODEL 7700 LINE. THE BUS BOLTS | | IN QUESTION ARE SILICON BRONZE. REPLACEMENTS BOLTS ARE MADE OF CARBON | | STEEL. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+