U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/20/94 - 05/23/94 ** EVENT NUMBERS ** 27279 27280 27281 27282 27283 27284 27285 27286 27287 27288 27289 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27279 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BIG ROCK POINT REGION: 3 |NOTIFICATION DATE: 05/20/94 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 10:28 [ET]| |RX TYPE: [1] GE-1 |EVENT DATE: 05/20/94 | +------------------------------------------------+EVENT TIME: 09:00[EDT]| |NRC NOTIFIED BY: MIKE BOURASSA |LAST UPDATE DATE: 05/20/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK GROBE RDO | |AUNA 50.72(b)(1)(ii)(A) UNANALYZED COND OP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 96 POWER OPERATION | 96 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | COMMERCIAL GRADE PRESSURE SWITCH USED ON A SAFETY SYSTEM. | | | | THE LICENSEE DISCOVERED A COMMERCIAL GRADE PRESSURE SWITCH IN USE ON THEIR | | LIQUID POISON SYSTEM, A SAFETY SYSTEM. THE SWITCH IS USED FOR A LOW | | PRESSURE ALARM AND FORMS THE PRESSURE BOUNDARY FOR THE 2200 PSI NITROGEN | | SUPPLY. THE LICENSEE CONSIDERS THE SYSTEM OPERABLE BECAUSE THE SWITCH HAS | | BEEN TESTED TO 4000 PSI, HAS NOT BEEN OVER STRESSED DURING THE PLANT'S | | LIFE, AND MEETS THE DESIGN REQUIREMENTS. THE LICENSEE WILL REPLACE THE | | SWITCH WITH A NUCLEAR DEDICATED VERSION AT THE EARLIEST OPPORTUNITY. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27280 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 05/20/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 13:30 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 05/20/94 | +------------------------------------------------+EVENT TIME: 10:15[CDT]| |NRC NOTIFIED BY: REIS |LAST UPDATE DATE: 05/20/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GROBE 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED THAT ONE OF THE SNUBBERS ("RH14-1051S") INSTALLED | | ON THE "1C" RHR LINE DOWN STREAM OF THE FULL FLOW TEST VALVE("1E12-F021") | | HAD A 30 DEGREE ANGULAR DEVIATION FROM ITS ANALYZED CONDITION. | | | | THE FOLLOWING TEXT IS FROM A FAX BY THE LICENSEE: | | | | "SNUBBER RH14-1051S IN SUBSYSTEM 1RH08 WAS FOUND TO BE INSTALLED WITH AN | | ANGULAR DEVIATION OF 30 DEGREES FROM ITS AS-ANALYZED CONDITION. A | | RE-ANALYSIS OF SUBSYSTEM 1RH08 WAS THEN PERFORMED WITH SNUBBER RH14-1051S | | IN ITS AS INSTALLED CONDITION. ALL PIPE STRESSES AND RESTRAINT LOADS WERE | | WITHIN DESIGN BASIS ALLOWABLES EXCEPT FOR SNUBBER RH141016S. BOTH SNUBBERS | | ARE DOWNSTREAM OF THE 1CRHR FULL FLOW TEST VALVE 1E12-F021. | | | | THE REANALYZED LOADS FOR RH14-1016S EXCEEDS THE UFSAR LIMITS FOR THE | | SUPPORT CONCRETE EXPANSION ANCHORS(CEA'S). THE CEA'S ARE REQUIRED TO HAVE A | | FACTOR OF SAFETY AGAINST FAILURE OF 4.0. WITH THE REVISED LOADS, THE FACTOR | | OF SAFETY IS 3.0. THE ANCHORS HAVE NOT BEEN OVER STRESSED BY THE LOADS THEY | | HAVE SEEN TO DATE, SINCE THE DESIGN LOADS ARE PRIMARILY DUE TO EARTHQUAKES | | AND NO EARTHQUAKES HAVE OCCURRED. IF AN EARTHQUAKE HAD OCCURRED, THE | | ANCHORS MAY HAVE BEEN STRESSED BEYOND THE UFSAR LIMITS, BUT BASED ON THE | | REMAINING FACTOR OF SAFETY, THEY WOULD LIKELY NOT HAVE FAILED. RH14-1051S | | IS TO BE INSTALLED IN ITS AS DESIGNED CONDITION." | | | | THE PLANT CURRENTLY HAS ECCS OPERABLE ON DIV 1 AND DIV 3. | | | | THE RI WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27281 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 05/20/94 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 17:57 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/20/94 | +------------------------------------------------+EVENT TIME: 16:10[CDT]| |NRC NOTIFIED BY: COLEMAN |LAST UPDATE DATE: 05/20/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |EDWARD MCALPINE 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 DECLARED HIGH PRESSURE COOLANT INJECTION SYSTEM INOPERABLE AND | | RE-ENTERED A 14 DAY LCO ACTION STATEMENT THAT HAD BEEN INITIALLY ENTERED 5 | | DAYS BEFORE. | | | | THE LICENSEE FIRST ENTERED THE 14 DAY LCO ACTION STATEMENT ON 5/15/94 WHEN | | HPCI WAS DECLARED INOPERABLE DUE TO A DEFECTIVE FLOW CONTROLLER. THE | | CONTROLLER WAS REPAIRED AND TESTED ON 5/17/94 AND THEY EXITED THE LCO. ON | | 5/20/94 THEY DISCOVERED THAT THE REPAIRS WERE MADE WITH NON-QUALIFIED PARTS | | SO HPCI WAS AGAIN DECLARED INOPERABLE AND THEY RE-ENTERED THE LCO. THEY ARE | | INVESTIGATING WHY NON-QUALIFIED PARTS WERE USED IN THIS REPAIR. THEY HAVE 9 | | DAYS LEFT OF THE 14 DAY LCO TO COMPLETE REPAIRS. ALL OTHER ECCS EQUIPMENT | | HAS BEEN OPERABLE SINCE 5/15/94. | | | | HE RI WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 27282 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: V.A. MEDICAL CENTER |NOTIFICATION DATE: 05/21/94 | | CITY: SAN DIEGO REGION: 4 |NOTIFICATION TIME: 18:06 [ET]| | COUNTY: STATE: CA |EVENT DATE: 05/21/94 | |LICENSE#: SNM1859 AGREEMENT: Y |EVENT TIME: 07:30[PDT]| | DOCKET: 07002908 |LAST UPDATE DATE: 05/21/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |PHIL HARRELL RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: OCASIO | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NCAR CARDIAC PACEMAKER | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CARDIAC PACEMAKER EVENT | | | | CALL BACK NUMBER: 619-552-8585 | | | | BRIEF DESCRIPTION OF CIRCUMSTANCES PROMPTING THE CALL(E.G. DEATH OF THE | | PATIENT, ADVERSE REACTION, MALFUNCTION OF THE PACEMAKER, AND OR LEADS): | | | | THE CALL WAS MADE DUE TO DEATH OF THE PATIENT. THE PACEMAKER HAS BEEN | | REMOVED AND IS IN STORAGE AT THE MEDICAL CENTER AWAITING TO BE STERILIZED | | AND SHIPPED BACK TO THE MANUFACTURER. | | | | MANUFACTURER 'S NAME: METRONIC | | MANUFACTURER 'S MODEL NUMBER: METRONIC 9000 SER # 3R00005 | | | | CURRENT LOCATION OF THE PACEMAKER(INCLUDING STREET ADDRESS, CITY, STATE): | | | | THE VA MEDICAL CENTER | | 3350 LA JOLLA DR. | | SAN DIEGO CA 92161 | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27283 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 05/21/94 | |UNIT: [1] [2] [ ] STATE: NC |NOTIFICATION TIME: 18:12 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 05/21/94 | +------------------------------------------------+EVENT TIME: 15:09[EDT]| |NRC NOTIFIED BY: BAIN |LAST UPDATE DATE: 05/21/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |EDWARD MCALPINE 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 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD ALL 4 DIESEL GENERATORS TO AUTO START DUE TO PERSONNEL ERROR | | DURING A POWER CIRCUIT BREAKER (PCB) TEST. | | | | THE LICENSEE'S FAX STATES: | | | | "UNIT 2 IS IN MODE 5 DEFUELED WITH ALL FUEL IN THE SPENT FUEL POOL AND THE | | FUEL POOL GATES REMOVED. THE UNIT 2 SAT(STATION AUX TRANSFORMER) WAS BEING | | SUPPLIED FROM THE 2B SWITCHYARD BUS. THE SYSTEM LOAD DISPATCHER IN RALEIGH | | PLANNED TO TEST PCB 31A. THIS TESTING REQUIRED THAT HE OPEN PCBS 28B, 27A | | AND 30A. HE ACTUALLY OPENED 28B, 27B AND 30B. PCB 31B WAS ALREADY OPENED. | | THIS RESULTED IN A LOSS OF POWER TO THE 2B SWITCHYARD BUS AND CAUSED THE | | SAT TO BE DEENERGIZED. ALL 4 DIESEL GENERATORS AUTO STARTED AND DIESEL | | GENERATORS 3 AND 4 AUTO TIED TO E BUSES 3 AND 4. QUICKLY REALIZING HIS | | MISTAKE, THE DISPATCHER RECLOSED PCBS 27B, 28B AND 30B. THE 2A SWITCHYARD | | BUS REMAINED ENERGIZED. THE UNIT 2 EXPERIENCED ISOLATION OF THE VALVE | | GROUPS 2, 3, 6, 10 AND REACTOR BUILDING ISOLATION. THE SPENT FUEL POOL | | COOLING PUMPS TRIPPED AND WERE RESTARTED WITHIN 15 MINUTES. THE | | SUPPLEMENTAL SPENT FUEL POOL COOLING SYSTEM PUMPS TRIPPED AND WERE | | RESTARTED WITHIN APPROXIMATELY 5 MINUTES. FUEL POOL LEVEL AND TEMPERATURE | | REMAINED CONSTANT THROUGHOUT THE EVENT. UNIT 1 CONTINUED TO OPERATE AT 100% | | POWER THROUGHOUT THE EVENT AND EXPERIENCED ISOLATION OF GROUP 6, REACTOR | | BUILDING ISOLATION AND STANDBY GAS TREATMENT TRAINS START. ADDITIONAL UNIT | | 1 EFFECTS WERE HYDROGEN WATER CHEMISTRY TRIPPED, CONVENTIONAL SERVICE WATER | | PUMPS SWAPPED AND LOSS OF TWO DRYWELL COOLERS. ALL PLANT SYSTEMS RESPONDED | | AS EXPECTED EXCEPT THAT THE UNIT 2 REACTOR BUILDING INBOARD SUPPLY AND | | EXHAUST DAMPERS FAILED TO AUTO CLOSE AND WERE CLOSED MANUALLY FROM THE | | CONTROL ROOM." | | | | THE UNIT 1 ALSO ENTERED A 6 HOUR LCO ACTION STATEMENT TO BE IN HOT S/D DUE | | TO LOSS OF THE E BUS, BUT POWER WAS RESTORED TO THE BUS IMMEDIATELY AND THE | | LCO WAS EXITED. | | | | UNIT 2 SAT AND THE 4160V BUSES HAVE BEEN REENERGIZED AND THE D/G SECURED. | | ALL ISOLATIONS HAVE BEEN RESET AND LOADS RESTORED AS APPROPRIATE FOR THE | | PRESENT PLANT CONDITIONS. THEY ARE INVESTIGATING THE CAUSE OF THE SWITCHING | | ERROR AND THE FAILURE OF THE INBOARD DAMPERS TO CLOSE. | | | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27284 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 05/21/94 | |UNIT: [ ] [2] [3] STATE: IL |NOTIFICATION TIME: 18:34 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 05/21/94 | +------------------------------------------------+EVENT TIME: 17:10[CDT]| |NRC NOTIFIED BY: WELCH |LAST UPDATE DATE: 05/21/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER RDO | |AESS 50.72(b)(1)(v) EMERGENCY SIREN INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 98 POWER OPERATION | 98 POWER OPERATION | | 3 | N N 0 REFUELING | 0 REFUELING | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT THE EMERGENCY SIRENS IN GRUNDY COUNTY ARE | | INOPERABLE. | | | | THE LICENSEE WAS NOTIFIED OF THE LOSS OF CAPABILITY TO INITIATE THE | | EMERGENCY SIRENS FOR GRUNDY COUNTY. THE CAUSE OF THE FAILURE IS NOT KNOWN, | | BUT A CONTRACTOR HAS BEEN NOTIFIED TO MAKE REPAIRS. IT IS EXPECTED THAT | | REPAIRS WILL TAKE APPROX 8 HOURS. THE RI WILL BE NOTIFIED. | | | | ***UPDATE AT 23:00 BY DEYOUNG TO GOULD*** | | THE SIRENS WERE OPERABLE AT 21:00 CT. THE RI WILL BE INFORMED. RDO WAS | | INFORMED. | | | | HOO NOTE: SEE EVENTS # 27285 & 27286 | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27285 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 05/21/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 18:42 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/21/94 | +------------------------------------------------+EVENT TIME: 17:22[CDT]| |NRC NOTIFIED BY: DEBOARD |LAST UPDATE DATE: 05/21/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER RDO | |AESS 50.72(b)(1)(v) EMERGENCY SIREN INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 96 POWER OPERATION | 96 POWER OPERATION | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT THE EMERGENCY SIRENS IN GRUNDY COUNTY ARE | | INOPERABLE. | | | | THE LICENSEE WAS NOTIFIED OF THE LOSS OF CAPABILITY TO INITIATE THE | | EMERGENCY SIRENS FOR GRUNDY COUNTY. THE CAUSE OF THE FAILURE IS NOT KNOWN, | | BUT A CONTRACTOR HAS BEEN NOTIFIED TO MAKE REPAIRS. IT IS EXPECTED THAT | | REPAIRS WILL TAKE APPROX. 8 HOURS. THE RI WAS NOTIFIED. | | | | ***UPDATE AT 23:00 FROM DEYOUNG TO GOULD*** | | THE SIRENS WERE OPERABLE AT 21:00 CT. THE RI WILL BE NOTIFIED. THE RDO WAS | | INFORMED. | | | | HOO NOTE: SEE EVENTS # 27284 & 27286 | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27286 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 05/21/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 18:48 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 05/21/94 | +------------------------------------------------+EVENT TIME: 17:15[CDT]| |NRC NOTIFIED BY: HENRY |LAST UPDATE DATE: 05/21/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER RDO | |AESS 50.72(b)(1)(v) EMERGENCY SIREN INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT THE EMERGENCY SIRENS IN GRUNDY COUNTY ARE | | INOPERABLE. | | | | THE LICENSEE WAS NOTIFIED OF THE LOSS OF CAPABILITY TO INITIATE THE | | EMERGENCY SIRENS FOR GRUNDY COUNTY. THE CAUSE OF THE FAILURE IS NOT KNOWN, | | BUT A CONTRACTOR HAS BEEN NOTIFIED TO MAKE REPAIRS. IT IS EXPECTED THAT | | REPAIRS WILL TAKE APPROX. 8 HOURS. THE RI WILL BE INFORMED. | | | | ***UPDATE AT 23:00 FROM DEYOUNG TO GOULD*** | | THE SIRENS WERE OPERABLE AT 21:00 CT. THE RI WILL BE NOTIFIED. THE RDO WAS | | INFORMED. | | | | HOO NOTE: SEE EVENTS # 27284 & 27285 | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27287 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 05/22/94 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 07:42 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 05/22/94 | +------------------------------------------------+EVENT TIME: 05:29[CDT]| |NRC NOTIFIED BY: JEFF DAVIS |LAST UPDATE DATE: 05/22/94 | |HQ OPS OFFICER: THOMAS ANDREWS +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM MCCORMICKBARGER RDO | |ADEG 50.72(b)(1)(ii) DEGRAD COND DURING OP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 32 POWER OPERATION | 32 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | WHILE ENTERING THE UNIT 2 DRYWELL, THE INNER INTERLOCK DOOR MECHANISM | | MALFUNCTIONED CAUSING A BREACH OF PRIMARY CONTAINMENT. THE INNER DOOR | | COULD NOT BE LATCHED CLOSED. AN EQUALIZING LINE BETWEEN THE INTERLOCK AREA | | AND THE DRYWELL COULD NOT BE CLOSED. | | | | PERSONNEL IN THE INTERLOCK HAD TO DEFEAT THE OUTER DOOR INTERLOCK TO EXIT | | THE DRYWELL. THE STRONGBACK WAS PLACED ON THE INNER DOOR TO HOLD IT | | CLOSED. THE OUTER DOOR HAS BEEN LOCKED AND PRIMARY CONTAINMENT IS INTACT | | AT THIS TIME. | | | | PRIMARY CONTAINMENT WAS LOST FOR ABOUT 32 MINUTES. TECHNICAL | | SPECIFICATIONS ALLOW THE OPERABLE DOOR TO BE OPEN FOR A PERIOD OF 1 HOUR | | FOR REPAIR OF THE INOPERABLE DOOR OR TO EXTRACT PERSONNEL. THE LICENSEE IS | | EVALUATING OPTIONS FOR REPAIRING THE INNER INTERLOCK DOOR LATCHING | | MECHANISM AND CLOSING THE EQUALIZING LINE. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED. NO OTHER NOTIFICATIONS ARE | | PLANNED. THE LICENSEE IS MAKING THIS NOTIFICATION AS A VOLUNTARY | | NOTIFICATION DUE TO PRIOR EVENTS, BOTH IN THE UNITED STATES AND ABROAD. | | | | HOO NOTE: THE LICENSEE WAS ENTERING THE DRYWELL TO INVESTIGATE AN | | INCREASE IN PRIMARY LEAKAGE (LEAKAGE WAS APPROXIMATELY 1.9 | | GALLONS PER MINUTE AND ALLOWABLE IS 25 GALLONS PER MINUTE) | | AND TO PERFORM MAINTENANCE ON THE ONE OF THE DRYWELL | | EQUIPMENT DRAIN PUMPS. THE SOURCE OF THE LEAKAGE WAS | | IDENTIFIED DURING THE DRYWELL ENTRY. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27288 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 05/22/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 12:02 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 05/22/94 | +------------------------------------------------+EVENT TIME: 11:10[EDT]| |NRC NOTIFIED BY: CIGINIK |LAST UPDATE DATE: 05/22/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GLENN MEYER 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 100 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT ENTERED A TS REQUIRED SHUTDOWN TO BE IN COLD S/D WITHIN 30 HOURS | | DUE TO THE CONTROL ROD DRIVE (CRD) SYSTEMS PUMPS NOT MEETING THE REQUIRED | | MINIMUM FLOW RATE. | | | | WHILE PERFORMING A SURVEILLANCE ON THE CRD PUMPS, THE LICENSEE DETERMINED | | THAT THE STOP CHECK VALVE ON THE "B" PUMP WAS LEAKING. THIS CONDITION | | AFFECTS THE FLOW OF THE "A" PUMP BECAUSE SOME ITS FLOW IS BEING LOST BACK | | THROUGH THE CHECK VALVE ON THE "B" PUMP. THE MINIMUM REQUIRED FLOW AT 1390 | | PSI IS 55 GPM. THEY ARE ONLY ABLE TO ACHIEVE 45 GPM @ 1390 PSI ON THE "A" | | PUMP AND THAT DOES NOT MEET THE SYSTEM OPERABILITY REQUIREMENTS. THIS | | PLACES THE PLANT IN A TS REQUIRED SHUTDOWN CONDITION. | | | | AT THE PRESENT, THE LICENSEE IS REDUCING POWER AT THE RATE OF 50 MWE/HR. | | THEY ARE INVESTIGATING METHODS FOR CORRECTING THIS CONDITION. | | | | THE RI WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27289 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALISADES REGION: 3 |NOTIFICATION DATE: 05/23/94 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 01:27 [ET]| |RX TYPE: [1] CE |EVENT DATE: 05/22/94 | +------------------------------------------------+EVENT TIME: 23:00[EDT]| |NRC NOTIFIED BY: BRUCE DUSTERHOFT |LAST UPDATE DATE: 05/23/94 | |HQ OPS OFFICER: THOMAS ANDREWS +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | WHILE PERFORMING A SPECIAL TEST ON THE SERVICE WATER SYSTEM, THE AS FOUND | | FLOWS TO THE CONTROL ROOM HVAC COOLERS WAS LESS THAN THE MINIMUM REQUIRED | | FLOW. THE REQUIREMENT IS FOR 46 GALLONS PER MINUTE AT 81.5 DEGREES F TO | | EACH COOLER. THIS IS THE NUMBER USED IN THE PLANT ACCIDENT ANALYSES. THESE | | COOLERS ARE DESIGNED TO PROVIDE COOLING TO CONTROL ROOM EQUIPMENT AND | | PERSONNEL DURING ACCIDENT CONDITIONS. | | | | THE MEASURED FLOW FOR ONE COOLER WAS 45 GALLONS PER MINUTE AND 44 GALLONS | | PER MINUTE FOR THE OTHER. THE FLOW WAS ADJUSTED TO ACHIEVE GREATER THAN | | THE MINIMUM FLOW TO EACH COOLER. ALL OTHER FLOW REQUIREMENTS FOR THE | | SERVICE WATER SYSTEM WERE MEASURED SATISFACTORILY. | | | | THE CAUSE OF THE FLOW REDUCTION TO THESE COOLERS IS UNKNOWN AT THIS TIME. | | THE LICENSEE PLANS TO RE-EVALUATE THE FLOW VALUE USED IN THE ACCIDENT | | ANALYSES TO REDUCE THE CHANCES OF THIS EVENT FROM REOCCURRING. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED. | +------------------------------------------------------------------------------+