U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/12/94 - 05/13/94 ** EVENT NUMBERS ** 27156 27234 27236 27237 27238 27239 27240 27241 27242 27243 27244 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27156 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 04/24/94 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 23:20 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 04/24/94 | +------------------------------------------------+EVENT TIME: 22:22[EDT]| |NRC NOTIFIED BY: BONNER |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 +------------------------------------------------------------------------------+ | A CONTAINMENT PURGE ISOLATION OCCURRED ON A RADIATION MONITOR LOW-FAIL | | SIGNAL. | | | | WHILE PERFORMING A CONTAINMENT PURGE, ONE OF FOUR RADIATION MONITORS | | REGISTERED DECREASING RADIATION LEVELS AND ISSUED A LOW-FAIL SIGNAL. THIS | | RESULTED IN A CONTAINMENT PURGE ISOLATION. ALL RADIATION MONITORS' LOW- | | FAIL SETPOINTS ARE BEING RESET IN PREPARATION FOR RESUMPTION OF THE PURGE. | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. STATE AND LOCAL | | AUTHORITIES WERE NOTIFIED. | | | | * UPDATE DATE/TIME:5/12/94 @ 1000 EDT *FROM LICENSEE:BONNER BY:McGINTY * | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON THE DETERMINATION THAT THE | | ESF WAS CAUSED BY AN INVALID ACTUATION SIGNAL. THE SIGNAL WAS INVALID | | BECAUSE IT WAS CAUSED BY THE IMPROPER SETTING OF THE APPLICABLE RADIATION | | MONITORS INSTRUMENT FAIL SETPOINT. THE LICENSEE WILL INFORM THE RESIDENT | | INSPECTOR. HOO NOTIFIED THE R1DO (CONTE). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27234 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 05/11/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 22:52 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 05/11/94 | +------------------------------------------------+EVENT TIME: 20:51[CDT]| |NRC NOTIFIED BY: JEFF DAVIS |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN GROBE 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 REFUELING | 0 REFUELING | | 2 | N Y 97 POWER OPERATION | 97 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFEGUARDS SYSTEMS DEGRADATION RELATED TO DETECTION EXISTED FROM 20:51 TO | | 21:40. DURING THIS TIME COMPENSATORY ACTIONS WERE IN PLACE, HOWEVER, THE | | SECURITY ADMINISTRATOR HAS RAISED A QUESTION AS TO WHETHER OR NOT THE | | COMPENSATORY ACTIONS WERE OF AN EQUIVALENT LEVEL OF PROTECTION. SEE HOO | | LOG FOR FURTHER DETAILS. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | | | | * * * UPDATE @ 15:52 5/12/94 FROM LEECH TAKEN BY SEBROSKY * * * | | THE LICENSEE IS RETRACTING THIS EVENT. UPON FURTHER REVIEW THE LICENSEE | | HAS DETERMINED THAT THE EVENT IS A 24 HOUR LOGGABLE EVENT AND NOT A 1 HOUR | | REPORTABLE EVENT. THE LICENSEE HAS DISCUSSED THIS WITH REGION III (CREED) | | AND THE SENIOR RESIDENT INSPECTOR. | | | | HOO NOTIFIED R3DO(GROBE). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27236 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 05/12/94 | |UNIT: [1] [2] [ ] STATE: TN |NOTIFICATION TIME: 07:46 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/12/94 | +------------------------------------------------+EVENT TIME: 06:38[EDT]| |NRC NOTIFIED BY: FIELDS |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID MCGUIRE RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 80 POWER OPERATION | 80 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EGTS FAN STARTED, POSSIBLY DUE TO THE CONTROL SWITCH BEING BUMPED IN THE | | CONTROL ROOM. | | | | EGTS (EMERGENCY GAS TREATMENT SYSTEM) FAN "AA" STARTED AT 0638 EDT, FOR NO | | APPARENT REASON. AN INVESTIGATION IS UNDER WAY TO DETERMINE THE CAUSE. | | BOTH UNITS HAVE ENTERED INTO T/S LCO 3.6.1.8, WHICH CARRIES A 7 DAY ACTION | | STATEMENT. | | | | IT IS A POSSIBLE HANDSWITCH PROBLEM, BECAUSE THE FAN WOULD NOT STOP FROM | | THE MAIN CONTROL ROOM HANDSWITCH OR THE LOCAL HANDSWITCH. THE LOCAL | | BREAKER WAS OPENED TO STOP THE FAN. PERSONNEL DID BUMP THE HANDSWITCH FOR | | THE FAN IN THE CONTROL ROOM, AND DID NOT IMMEDIATELY NOTE THE FAN WAS | | RUNNING. IT WAS, HOWEVER, DISCOVERED TO BE RUNNING A SHORT TIME LATER. | | THE TWO EGTS FANS AUTOMATICALLY START TO MAINTAIN THE ANNULUS ATMOSPHERE | | UNDER ACCIDENT CONDITIONS, AND CAN BE LINED UP TO EITHER UNIT. THE | | LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27237 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HADDAM NECK REGION: 1 |NOTIFICATION DATE: 05/12/94 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 09:43 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 05/11/94 | +------------------------------------------------+EVENT TIME: 15:30[EDT]| |NRC NOTIFIED BY: BARTON |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTRACTOR TESTED POSITIVE FOR A CONTROLLED SUBSTANCE. | | | | THE LICENSEE REPORTED THAT A CONTRACTOR SUPERVISOR OF INDIVIDUALS WITH | | UNESCORTED ACCESS TESTED POSITIVE FOR USE OF A CONTROLLED SUBSTANCE DURING | | PRE-ACCESS TESTING. THE INDIVIDUALS ACCESS HAS BEEN REVOKED (HE HAD BEEN | | IN THE PROTECTED AREA, WITH A VISITORS BADGE AND ESCORTED). THE | | INDIVIDUALS HE SUPERVISED HAD ALREADY CLEARED THE SCREENING AND HAD BEEN | | CLEARED FOR UNESCORTED ACCESS. THE LICENSEE IS PERFORMING A REVIEW OF THE | | ACTIVITIES IN THE AREAS THAT THE PERSON HAD ESCORTED ACCESS TO. THE | | LICENSEE INFORMED THE STATE AND LOCAL AUTHORITIES, AND THE RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27238 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 05/12/94 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 12:20 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 05/12/94 | +------------------------------------------------+EVENT TIME: 09:00[EDT]| |NRC NOTIFIED BY: DONALD VINCHKOSKI |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A RANDOM DRUG TEST OF A NON-LICENSED CONTRACT SUPERVISOR WAS CONFIRMED | | POSITIVE FOR COCAINE ON 5/12/94 AT 09:00. THE INDIVIDUAL'S UNESCORTED | | ACCESS HAS BEEN REVOKED. THE LICENSEE PERFORMED A WORK REVIEW OF THE | | INDIVIDUAL AND HAS DETERMINED THAT THERE WAS NO IMPACT ON PLANT OPERATIONS. | | THE TEST WAS ORIGINALLY ADMINISTERED ON 5/4/94. | | | | SEE HOO LOG FOR ADDITIONAL DETAILS. THE LICENSEE HAS INFORMED THE RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27239 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 05/12/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 12:25 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 05/11/94 | +------------------------------------------------+EVENT TIME: 16:10[CDT]| |NRC NOTIFIED BY: OSELAND |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN GROBE 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N Y 97 POWER OPERATION | 97 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DIESEL FUEL SPILL IN THE VICINITY OF THE PUMP HOUSE. | | | | ON 5/11/94, WHILE FILLING THE TANK ON A DIESEL FIRE PUMP, APPROXIMATELY 40 | | GALLONS OF DIESEL FUEL SPILLED ON CONCRETE AND BLACKTOP OUTSIDE OF THE CRIB | | HOUSE. THE OVERFLOW FOR THE TANK GOES TO A FUNNEL, WHICH HAD A BLOCKAGE | | CAUSING THE SPILL. THE SPILL WAS CONTAINED AND CLEANED UP, WITH NO RELEASE | | TO THE ENVIRONMENT. IT WAS DETERMINED TO BE A REPORTABLE HAZMAT RELEASE | | EVENT. ALL OTHER AGENCIES WERE CONTACTED BY 1742 CDT ON 5/11/94. UPON | | FURTHER REVIEW OF THE REPORTABILITY MANUAL, IT WAS DETERMINED THAT A 4 HOUR | | EVENT NOTIFICATION WAS REQUIRED AT 1030 CDT TODAY. | | | | THE LICENSEE NOTIFIED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27240 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 05/12/94 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 14:42 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/12/94 | +------------------------------------------------+EVENT TIME: 13:53[EDT]| |NRC NOTIFIED BY: EDDIE JONES |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID MCGUIRE RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR TRIP FROM 100% POWER DUE TO A HI FLUX NEGATIVE RATE TRIP SIGNAL. | | | | DURING THE POST TRIP RESPONSE THE MOTOR DRIVEN AUXILIARY FEEDWATER PUMPS | | AUTOMATICALLY STARTED DUE TO A LO-LO STEAM GENERATOR LEVEL IN THE 'B' STEAM | | GENERATOR. THE 'B' STEAM GENERATOR LEVEL REMAINED IN THE NARROW LEVEL | | RANGE THROUGHOUT THE EVENT. THE STEAM GENERATOR LEVELS ARE BEING | | MAINTAINED BY THE MOTOR DRIVEN AUXILIARY FEEDWATER PUMPS AND DECAY HEAT IS | | BEING REMOVED VIA THE STEAM DUMPS TO THE MAIN CONDENSER. THE LICENSEE IS | | MAINTAINING PLANT TEMPERATURE AT NO LOAD Tavg (557 DEGREES F). | | | | ALL RODS FULLY INSERTED AND ALL ELECTRICAL BUSSES TRANSFERRED AS EXPECTED. | | ALL ECCS AND EDGS ARE OPERABLE. NO PRIMARY OR SECONDARY SAFETIES LIFTED | | DURING THE POST TRIP RESPONSE, HOWEVER, ALL THREE PRIMARY PORV VALVES DID | | CYCLE AFTER THE TRIP. IN ADDITION ALL 4 SECONDARY PORVS (1 PER STEAM | | GENERATOR) ALSO CYCLED AFTER THE TRIP. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THE HI FLUX NEGATIVE RATE TRIP | | SIGNAL. PRIOR TO THE TRIP SEVERAL TESTS WERE IN PROGRESS. ONE OF THE TEST | | INVOLVED INVESTIGATING A GROUND ON ONE OF THE NON-VITAL BATTERIES. | | TECHNICIANS WERE BEHIND THE MAIN CONTROL BOARD DOING THIS CHECK WHEN A | | SCREWDRIVER WAS DROPPED WHICH APPEARS TO HAVE HIT SOME RELAYS. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27241 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 05/12/94 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 16:23 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/12/94 | +------------------------------------------------+EVENT TIME: 15:40[EDT]| |NRC NOTIFIED BY: DAN BOYLE |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD CONTE RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 LICENSEE ISSUED A PRESS RELEASE DUE TO THE NRC DETERMINING THAT A FINE | | AGAINST THE LICENSEE WAS NOT APPROPRIATE FOR EVENTS THAT TOOK PLACE DURING | | A REFUELING OUTAGE LAST FALL ON SUSQUEHANNA UNIT 1. | | | | THE OUTAGE BEGAN ON 9/25/93. REFUELING WAS SUSPENDED FOR THREE WEEKS IN | | NOVEMBER WHILE PP&L AND THE NRC INVESTIGATED THE CAUSES OF THE PROBLEMS AND | | PP&L TOOK ACTIONS TO CORRECT THEM. THE PRESS RELEASE STATES THAT THE NRC | | DID CITE PP&L FOR TWO VIOLATIONS OF NRC REQUIREMENTS. THE PRESS RELEASE | | ALSO STATES THAT THE VIOLATIONS WERE CLASSIFIED AS LEVEL III, HOWEVER NO | | FINE WAS IMPOSED DUE TO THE PROMPT AND EFFECTIVE ACTIONS PP&L TOOK TO | | PREVENT FUTURE FUEL HANDLING PROBLEMS AND SUSQUEHANNA'S HISTORY OF STRONG, | | SAFE PERFORMANCE. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27242 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 05/12/94 | |UNIT: [1] [2] [ ] STATE: GA |NOTIFICATION TIME: 22:11 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/12/94 | +------------------------------------------------+EVENT TIME: 19:15[EDT]| |NRC NOTIFIED BY: TOM POLITO |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID MCGUIRE RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE LICENSEE IS MAKING AN INFORMATION ONLY CALL DUE TO RECEIVING WHAT THEY | | CONSIDER TO BE A NON-CREDIBLE BOMB THREAT. | | | | VEGP MANAGEMENT, SHIFT SUPERVISION, AND SECURITY SUPERVISION DETERMINED | | THAT THE CALL DID NOT CONSTITUTE A CREDIBLE BOMB THREAT. COMPENSATORY | | MEASURES HAVE BEEN TAKEN. SEE THE HOO LOG FOR DETAILS. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27243 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 05/12/94 | |UNIT: [1] [ ] [ ] STATE: TX |NOTIFICATION TIME: 22:29 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/12/94 | +------------------------------------------------+EVENT TIME: 18:07[CDT]| |NRC NOTIFIED BY: CLIFF BUEDE |LAST UPDATE DATE: 05/12/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM JOHNSON 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 +------------------------------------------------------------------------------+ | SPURIOUS START OF ONE OF THE THREE EMERGENCY DIESEL GENERATORS ASSOCIATED | | WITH UNIT 1. | | | | AT 18:07 THE # '13' STANDBY DIESEL GENERATOR AUTO STARTED IN THE | | NON-EMERGENCY MODE. THE DIESEL RAN NORMALLY. THE ENGINE WAS SHUT DOWN | | USING NORMAL OPERATING PROCEDURES. THE LICENSEE CONSIDERS THE ENGINE | | OPERABLE AND THE DIESEL GENERATOR IS CURRENTLY LINED UP FOR AUTOMATIC | | OPERATION. THE OTHER TWO DIESEL GENERATORS ASSOCIATED WITH UNIT 1 ARE ALSO | | OPERABLE AT THIS TIME. | | | | THE LICENSEE IS DEVELOPING A PLAN TO DETERMINE AND CORRECT THE CAUSE OF THE | | SPURIOUS START. A SUSPECTED CAUSE OF THE SPURIOUS START IS NOISE IN THE DC | | CONTROL POWER FOR THE DIESEL. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27244 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 05/13/94 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 03:45 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/13/94 | +------------------------------------------------+EVENT TIME: 02:51[EDT]| |NRC NOTIFIED BY: SMITH |LAST UPDATE DATE: 05/13/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID MCGUIRE 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 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE HAD A TRIP OF THE CONTAINMENT GASEOUS RADIATION MONITOR, WHICH | | CAUSED A CONTAINMENT VENTILATION ISOLATION. | | | | WHILE ATTEMPTING TO DRAIN COLD LEG ACCUMULATORS TO THE REACTOR COOLANT | | DRAIN TANK (RCDT), THE DRAIN VALVES WERE OPENED PRIOR TO THE RCDT's PUMPS | | BEING STARTED. THIS CAUSED THE TANK TO FILL UP, WHICH CAUSED APPROXIMATELY | | FIVE GALLONS OF WATER TO COME OUT OF THE DRAIN TANK VENT. THE CONTAMINATED | | WATER CAUSED THE CONTAINMENT BUILDING GAS MONITOR TO REACH THE "TRIP 2" | | SETPOINT. THIS EVENT CAUSED THE "B" TRAIN CONTAINMENT PURGE VALVES TO | | CLOSE, THE REACTOR BUILDING EVACUATION ALARM TO SOUND AND OCCURRED DURING | | CORE ALTERATIONS. THERE WAS A FUEL ASSEMBLY IN THE MANIPULATOR CRANE AT | | THE TIME, AND IT WAS PLACED IN THE UPENDER, SET DOWN AND SENT TO THE POOL. | | THE EVACUATION WAS THEN COMPLETED. | | | | THE WATER THAT CAME OUT THE VENT AND ONTO THE FLOOR HAS RAISED THE | | BACKGROUND COUNT RATE, AND WILL BE CLEANED UP. THE SETPOINT FOR THE RAD | | MONITOR WILL NOW BE ADJUSTED BASED ON THE NEW BACKGROUND, AND THEN CORE | | ALTERATIONS WILL BE RESUMED. THE LICENSEE INFORMED THE RESIDENT INSPECTOR. | | | +------------------------------------------------------------------------------+