U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/25/94 - 04/26/94 ** EVENT NUMBERS ** 26951 27151 27157 27158 27159 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 26951 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 03/17/94 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 12:18 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 03/17/94 | +------------------------------------------------+EVENT TIME: 10:35[EST]| |NRC NOTIFIED BY: BROZENICH |LAST UPDATE DATE: 04/25/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KAUFMAN RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 HAS DECLARED HPCI INOPERABLE BASED ON REVIEW OF IST TEST | | RESULTS. | | | | HPCI (HIGH PRESSURE COOLANT INJECTION) WAS DECLARED INOPERABLE ON 3/16/94 | | AT 1004 EST FOR PLANNED ANNUAL INSERVICE TESTING (IST) SURVEILLANCE. THE | | TEST WAS COMPLETED AND THE SYSTEM DECLARED OPERABLE AT 1950 EST ON 3/16/94. | | SUPERVISORY REVIEW OF THE TEST WAS COMPLETED AT 1035 ON 3/17/94. THE | | REVIEW FOUND THE BOOSTER PUMP DIFFERENTIAL PRESSURE EXCEEDED THE | | ESTABLISHED INSERVICE TESTING LIMITS. THE SYSTEM WAS DECLARED INOPERATIVE, | | AND THE 7 DAY LCO ENTERED AS THE ORIGINAL DATE OF 3/16/94 AT 1004 EST. THE | | PUMP DIFFERENTIAL PRESSURE PROBLEM IS SUSPECTED TO BE THE RESULT OF AN OUT | | OF CALIBRATION PRESSURE GAGE. TESTING WILL BE RE-PERFORMED FOLLOWING GAGE | | RECALIBRATION. | | | | THE FITZPATRICK HPCI HAS A BOOSTER PUMP AND A MAIN PUMP, TURBINE DRIVEN | | FROM THE SAME SHAFT. THE TEST AS WRITTEN DID NOT INCORPORATE THE LATEST | | IST LIMITS (THEY HAVE BEEN INCLUDED IN THE QUARTERLY TESTS), AND THUS THE | | INITIAL REVIEW DID NOT CATCH THE PROBLEM. | | | | ALL OTHER ECCSs ARE FULLY OPERATIONAL. THE LICENSEE INFORMED THE RESIDENT | | INSPECTOR. | | | | * * * UPDATE 1236EDT 4/25/94 FROM ART ZAREMBA BY S.SANDIN * * * | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON THE FOLLOWING: | | | | "ON 3/17/94 AT 1218 HOURS AN ENS CALL WAS MADE TO THE NRC WHICH DECLARED | | THE HIGH PRESSURE COOLANT INJECTION SYSTEM (HPCI) INOPERATIVE DUE TO | | EXCEEDING ESTABLISHED IST LIMITS ON BOOSTER PUMP DIFFERENTIAL PRESSURE. | | AFTER FURTHER REVIEW OF THE IST DATA, HPCI WAS DETERMINED TO HAVE BEEN | | OPERABLE; THEREFORE, THIS EVENT IS NOT REPORTABLE." | | | | "BECAUSE THE HPCI PUMP IS DRIVEN BY A VARIABLE SPEED TURBINE, THE | | DIFFERENTIAL PRESSURE DEVELOPED ACROSS THE PUMP IS A FUNCTION OF BOTH | | SYSTEM FLOW AND TURBINE SPEED. THE REVIEW OF IST DATA SHOWS THAT THE HPCI | | MAIN OR BOOSTER PUMP DIFFERENTIAL PRESSURE APPROACHES THE ALERT OR ACTION | | RANGE WHEN TESTING IS PERFORMED WITH PUMP FLOW RATE ESTABLISHED AT GREATER | | THAN 4300 GALLONS PER MINUTE AND TURBINE SPEED ESTABLISHED AT THE HIGH END | | OF THE TEST ACCEPTANCE RANGE. NO COMPONENT OR SYSTEM DEGRADATION IS | | APPARENT." | | | | "THE IST FIXED REFERENCE VALUE (4250-4350 GALLONS PER MINUTE) FOR FLOW IS | | APPARENTLY TOO WIDE FOR THE ACCEPTABLE IST RANGE OF PUMP SPEED. A SECOND | | IST WILL BE PERFORMED DURING STARTUP FROM THE CURRENT MAINTENANCE OUTAGE TO | | CONFIRM THIS REVIEW AND THE PUMP FLOW FIXED REFERENCE VALUE REVISED AS | | APPROPRIATE." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. NOTIFIED R1DO(ESELGROTH). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27151 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 04/23/94 | |UNIT: [ ] [2] [ ] STATE: GA |NOTIFICATION TIME: 16:53 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/23/94 | +------------------------------------------------+EVENT TIME: 15:50[CDT]| |NRC NOTIFIED BY: BIENKE & BUTLER |LAST UPDATE DATE: 04/25/94 | |HQ OPS OFFICER: GREG SCARFO +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A TECHNICIAN ERROR CAUSED AN INSTRUMENT ISOLATION VALVE TO LEAK-BY AND | | RESULTED IN REACTOR SCRAM SIGNAL AND CONTAINMENT ISOLATION SIGNAL. | | | | I&C PERSONNEL, PERFORMING A REACTOR VESSEL LEVEL INDICATION PURGE, | | INADVERTENTLY BUMPED INSTRUMENT ISOLATION VALVE "IV-1" FOR "2B21-NO-93A" | | (WHICH IS THE LEVEL SENSOR FOR THE RCIC SYSTEM) CAUSING THE VALVE TO | | PARTIALLY OPEN. THIS LEAK-OFF CAUSED LEVEL AND DIFFERENTIAL PRESSURE | | INSTRUMENTS "2B21-NO-80C & D" (THE LEVEL SENSORS FOR THE RPS SYSTEM), WHICH | | USE THE SAME REFERENCE LEG, TO TRIP ON LOW-LOW REACTOR WATER LEVEL AND | | GENERATE A REACTOR SCRAM SIGNAL AND CONTAINMENT ISOLATION SIGNAL. NO ROD | | MOVEMENT OR CHANGES IN PLANT CONDITIONS OCCURRED DUE TO THE SCRAM SIGNAL. | | ONLY A PARTIAL CONTAINMENT ISOLATION OCCURRED DUE TO JUMPERS INSTALLED (TO | | PREVENT CONTAINMENT ISOLATION VALVE MOVEMENT) IN PREPARATION FOR A PRIMARY | | CONTAINMENT ISOLATION LOGIC SYSTEM FUNCTIONAL TEST. THE SHUTDOWN COOLING | | SYSTEM WAS ISOLATED PRIOR TO THE CONTAINMENT ISOLATION SIGNAL. | | | | THE INSTRUMENT ISOLATION VALVE WAS CLOSED, REACTOR PROTECTION LOGIC RESET, | | AND ALL SYSTEMS WERE RETURNED TO THEIR ORIGINAL CONFIGURATION. THE | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE ON 4/25/94 AT 0745 EDT BY BIENKE TAKEN BY MACKINNON * * * | | QUESTIONS AROSE CONCERNING THE IDENTIFICATION OF THE AFFECTED VALVE. THE | | ORIGINAL REPORT IDENTIFIED IT AS A REFERENCE LEG DRAIN VALVE, IT WAS LATER | | IDENTIFIED AS AN INSTRUMENT ISOLATION VALVE, AND IS NOW CONFIRMED AS A | | REFERENCE LEG DRAIN VALVE. THE VALVE WAS OPENED CAUSING A DRAIN DOWN OF | | THE REFERENCE LEG. THIS CAUSED A SENSED LOW REACTOR VESSEL LEVEL BY TWO | | RPS SENSORS. THE LICENSEE IS INVESTIGATING. R2DO (FREDRICKSON) NOTIFIED. | | | | HOO NOTE: THIS EVENT WAS QUESTIONED IN THE FIRST PLACE BECAUSE A REDUCTION | | IN REFERENCE LEG LEVEL USUALLY RESULTS IN AN INDICATED HIGH Rx VESSEL | | LEVEL. ALSO THE NOMENCLATURE DESIGNATION "IV" MIGHT BE CONSTRUED TO | | INDICATE "ISOLATION VALVE". | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27157 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 04/25/94 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 08:31 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 04/23/94 | +------------------------------------------------+EVENT TIME: 19:00[EDT]| |NRC NOTIFIED BY: FRED HUMMEL |LAST UPDATE DATE: 04/25/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE COAST GUARD WAS NOTIFIED THAT A BARGE USED TO RECEIVE SILT DREDGED FROM | | THE INTAKE STRUCTURE PARTIALLY SANK. THE OPERATION OF THE INTAKE STRUCTURE | | IS NOT JEOPARDIZED. THE MATERIAL IN THE BARGE IS CLASSIFIED AS RESIDUAL | | WASTE AND IS NOT RADIOACTIVE. THE LICENSEE WILL ALSO NOTIFY THE EPA PRIOR | | TO RAISING THE BARGE. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27158 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 04/25/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 09:43 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/25/94 | +------------------------------------------------+EVENT TIME: 06:06[CDT]| |NRC NOTIFIED BY: KELLY ROOT |LAST UPDATE DATE: 04/25/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR TRIP DUE TO DRAINING DOWN OF A STEAM GENERATOR. | | | | THE 1C STEAM GENERATOR WAS BEING DRAINED AS PART OF A ROUTINE EVOLUTION IN | | ORDER TO CLEANUP WATER CHEMISTRY IN THE STEAM GENERATOR. AT THE SAME TIME | | THE REACTOR TRIP BREAKERS WERE CLOSED IN ORDER TO WARM UP THE EQUIPMENT IN | | PREPARATION FOR LIFT COIL RESPONSE TIME TESTING. | | | | WHEN 2 OUT OF 4 LEVEL INSTRUMENTS REACHED THE 33% NARROW RANGE LEVEL, A | | REACTOR TRIP SIGNAL WAS GENERATED. BOTH TRIP BREAKERS OPENED AS A RESULT | | OF THE SIGNAL. ALL RODS WERE FULLY INSERTED PRIOR TO THIS EVENT. AUXILIARY | | FEEDWATER DID NOT INITIATE BECAUSE THE LICENSEE HAD PERFORMED A NORMAL | | PROCEDURE THAT DEFEATS AUTO INITIATION IN THE COLD SHUTDOWN CONDITION. | | | | THE LICENSEE ATTRIBUTED THE TRIP TO POOR COORDINATION BETWEEN THE TWO | | ACTIVITIES. THE TRIP SHOULD HAVE BEEN JUMPERED PRIOR TO DRAINING DOWN THE | | STEAM GENERATOR. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |TRANSPORTATION EVENT | |EVENT NUMBER: 27159 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UNKNOWN |NOTIFICATION DATE: 04/25/94 | | CITY: LEBANON REGION: 3 |NOTIFICATION TIME: 10:58 [ET]| | COUNTY: STATE: IA |EVENT DATE: 04/24/94 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 19:00[CDT]| | DOCKET: |LAST UPDATE DATE: 04/25/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SHEAR RDO | | |ROBERT PIERSON EO | +------------------------------------------------+VISNISKY DOE | |NRC NOTIFIED BY: DOT-NRC ROBERTSON |MYERS SP | |HQ OPS OFFICER: RUDY KARSCH | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NTRA TRANSPORTATION EVENT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | | | TRANSPORTATION EVENT | | | | CALL BACK NUMBER:( 800-424-8802) | | | | CALLER'S ORGANIZATION: DOT-NRC | | | | TRANSPORTATION MODE: HIGHWAY, | | | | EXACT LOCATION OF EVENT: I-65, LEBANON, INDIANA, MILEPOST 147 | | | | | | NAME OF CARRIER: RAYTECH EXPRESS INC, 815-469-6274 | | | | -SHIPPING PAPERS AVAILABLE: UNKNOWN | | | | -NAME OF SHIPPER(FROM SHIPPING PAPERS): NA | | | | -ADDRESS OF SHIPPER(FROM SHIPPING PAPERS): NA | | | | -NAME OF CONSIGNEE(FROM SHIPPING PAPERS): NA | | | | -ADDRESS OF CONSIGNEE(FROM SHIPPING PAPERS): NA | | | | -VEHICLE NUMBER: 6 // 482573 | | -VEHICLE PLACARDED(Y/N): UNKNOWN | | | | MATERIAL INVOLVED: RADIOACTIVE WASTE | | | | -TYPE OF PACKAGES(CARDBOARD, METAL, DRUM, CASK, ETC): UNKNOWN | | | | -NUMBER OF PACKAGES: UNKNOWN | | | | -PACKAGE LABEL: UNKNOWN | | | | -DOT PACKAGE SPECIFICATION MARKING: UNKNOWN | | | | -OTHER PACKAGE MARKINGS: UNKNOWN | | | | -MATERIAL ID NUMBER: UNKNOWN | | | | -CONDITION OF PACKAGES: UNKNOWN | | | | -RADIATION SURVEY INFORMATION: UNKNOWN | | | | | | AGENCIES NOTIFIED: EPA, NTSB BY DOT-NRC. | | | | AGENCIES ON SCENE: UNKNOWN | | | | INJURIES: 1, PASSENGER IN CAR. | | | | CURRENT STATUS: UNKNOWN | | | | | +------------------------------------------------------------------------------+