U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/01/96 - 05/02/96 ** EVENT NUMBERS ** 30393 30394 30395 30396 30397 30398 30399 30400 30401 30402 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30393 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 05/01/96 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 05:38 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 05/01/96 | +------------------------------------------------+EVENT TIME: 05:15[EDT]| |NRC NOTIFIED BY: S. BAKER |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MODES RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LICENSEE DISCOVERED A HOLE IN AUXILIARY BUILDING WALL NEAR SPENT FUEL POOL | | | | THE LICENSEE DISCOVERED A 32"x9" OPENING IN THE AUXILIARY BUILDING WALL | | NEAR THE SPENT FUEL POOL. THE HOLE, WHICH IS LOCATED AT THE JUNCTION OF | | TWO I-BEAMS, LEADS FROM A RADIOLOGICALLY CONTROLLED AREA (RCA) TO A | | NON-RCA. THE LICENSEE STATED THAT THE HOLE HAS EXISTED FOR QUITE SOME TIME, | | AND IS OBSCURED FROM VIEW BY A METAL PLATE WELDED ACROSS THE BEAMS. THE | | LICENSEE IS WAITING FOR FURTHER ENGINEERING ANALYSIS, AND HAS SUSPENDED | | FUEL MOVEMENT. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 30394 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: BRIGHAM WOMEN'S HOSPITAL |NOTIFICATION DATE: 05/01/96 | | CITY: BOSTON REGION: 1 |NOTIFICATION TIME: 08:54 [ET]| | COUNTY: STATE: MA |EVENT DATE: 04/27/96 | |LICENSE#: 20-17131-01 AGREEMENT: N |EVENT TIME: 21:30[EDT]| | DOCKET: |LAST UPDATE DATE: 05/01/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |MICHAEL MODES RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: CASTRONOVO | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BRIGHAM WOMEN'S HOSPITAL REPORTED THAT A PATIENT WAS BEING TREATED FOR LUNG | | CANCER WITH A STRAND OF IRIDIUM SEEDS WHICH HAD BEEN PLACED IN THE | | ESOPHAGUS. DURING A 20:30 CHECK OF THE PATIENT, THE NURSE FOUND NO PROBLEM | | WITH THE SEEDS. BETWEEN 21:00 - 21:30 THE RESIDENT DOCTOR AND THE | | BRACHYTHERAPY PHYSICIST WENT TO REMOVE THE SEEDS AT THE END OF THE | | TREATMENT AND FOUND THAT THE STRAND WAS OUT OF THE CATHETER AND TUCKED IN | | BEHIND THE COIL OF EXTRA PLASTIC LEADER. THE PATIENT COULD HAVE COUGHED UP | | THE STRAND OF SEEDS AND TUCKED THEM UNDER THE OTHER SEEDS ON HER CHEST | | PRIOR TO THE PHYSICIST VISIT. AN INVESTIGATION IS BEING CONDUCTED TO | | DETERMINE IF SHE RECEIVED THE PRESCRIBED DOSAGE. AT THIS TIME THERE ARE NO | | ADVERSE AFFECTS TO THE SKIN. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 30395 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: WILLIAM BEAUMONT HOSPITAL |NOTIFICATION DATE: 05/01/96 | | CITY: ROYAL OAK REGION: 3 |NOTIFICATION TIME: 09:22 [ET]| | COUNTY: STATE: MI |EVENT DATE: 05/01/96 | |LICENSE#: 21-01333-01 AGREEMENT: N |EVENT TIME: 00:00[EDT]| | DOCKET: |LAST UPDATE DATE: 05/01/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | | | | | | +------------------------------------------------+K. RAMSEY NMSS | |NRC NOTIFIED BY: CHERYL CULVER SCHULTZ | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |CDEF 21.21(b)(2) DEFECTS/NONCOMPLIANCE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BRASS RING IN RADIOPHARMACEUTICAL VIAL CAN BECOME LOOSE, POSSIBLY CAUSING | | VIAL TO BE DROPPED. | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "A SPILL OF 60 mCi OF Tc-99m HMPAO OCCURRED AT 1000 ON APRIL 29, 1996, IN | | THE RADIOPHARMACY OF THE NUCLEAR MEDICINE DEPARTMENT. THE RADIOPHARMACY | | TECHNOLOGIST HAD PREPARED THE RADIOPHARMACEUTICAL KIT INSIDE THE LEAD VIAL | | SHIELD. THE TOP OF THE LEAD VIAL SHIELD SCREWS INTO A THREADED BRASS RING | | LOCATED INSIDE THE BODY OF THE LEAD VIAL SHIELD. THE TECHNOLOGIST PICKED | | UP THE LEAD VIAL SHIELD BY ITS TOP AND THE BRASS RING CAME LOOSE FROM THE | | BODY OF THE LEAD VIAL SHIELD. THIS CAUSED THE BODY OF THE LEAD VIAL SHIELD | | CONTAINING THE KIT VIAL TO DROP ONTO THE FLOOR. | | | | ALTHOUGH THE INTEGRITY OF EACH VIAL AND ELUTION SHIELD ARE ROUTINELY | | CHECKED BY THE RADIOPHARMACY STAFF WITH DEFECTIVE COMPONENTS REPAIRED OR | | REPLACED, THE FACT THAT THIS PARTICULAR BRASS RING WAS LOOSE WAS NOT KNOWN | | PRIOR TO THE SPILL. THE LEAD KIT VIAL SHIELD INVOLVED IN THIS SPILL WAS | | SEVERAL YEARS OLD AND OF AN OLDER DESIGN THAN THE CURRENTLY AVAILABLE VIAL | | SHIELDS. ALL LEAD SHIELDS BECOME MALLEABLE AND MORE SUSCEPTIBLE TO LOSS OF | | THEIR STRUCTURAL INTEGRITY OVER TIME AND WITH HIGH FREQUENCY OF USE. | | | | THE MANUFACTURER REDESIGNED THE LEAD SHIELD IN OCTOBER, 1994. IN THE NEW | | DESIGN, THE BRASS RING IS CEMENTED INSIDE THE BODY OF THE LEAD SHIELD WITH | | EPOXY TO PREVENT IT FROM COMING APART." | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30396 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DAVIS BESSE REGION: 3 |NOTIFICATION DATE: 05/01/96 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 11:52 [ET]| |RX TYPE: [1] B&W-R-LP |EVENT DATE: 04/30/96 | +------------------------------------------------+EVENT TIME: 20:54[EDT]| |NRC NOTIFIED BY: LARRY MYERS |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK RING RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | WITH THE #1 EMERGENCY DIESEL GENERATOR (EDG) INOPERABLE FOR MAINTENANCE, | | THE LICENSEE DISCOVERED THAT THE #2 EDG WAS TECHNICALLY INOPERABLE. | | | | #1 EDG HAS BEEN INOPERABLE FOR APPROXIMATELY THREE WEEKS FOR WORK ON ITS | | GENERATOR. AT 2054 ON 04/30/96, THE LICENSEE DISCOVERED THAT THE #2 EDG | | ROOM VENTILATION SYSTEM SUPPLY DAMPER HAD FAILED CLOSED, CAUSING A LOSS OF | | VENTILATION COOLING TO #2 EDG ROOM. THIS PLACED THE UNIT IN TECHNICAL | | SPECIFICATION 3.8.1.2 (NO CORE ALTERATIONS OR REACTIVITY CHANGES ALLOWED). | | IN THIS CONDITION THERE IS NO CLASS 1E ELECTRICAL POWER SUPPLY OPERABLE TO | | PROVIDE POWER TO THE DECAY HEAT REMOVAL SYSTEM (DHR) SYSTEM. | | | | ON 05/01/96, THE LICENSEE DISCOVERED THAT THE UPDATED FINAL SAFETY ANALYSIS | | REPORT, SECTION 9.1.3.1, DESCRIBES THE DHR SYSTEM AS A SEISMIC BACKUP | | COOLING SUPPLY FOR THE SPENT FUEL POOL. WITH BOTH EDGs INOPERABLE AND THE | | CORE OFFLOADED TO THE SPENT FUEL POOL, A CONDITION EXISTS THAT PLACED THE | | UNIT OUTSIDE OF ITS DESIGN BASIS. THE LICENSEE HAS WIRED OPEN THE | | VENTILATION SUPPLY DAMPER TO THE #2 EDG ROOM UNTIL THE HYDRO MOTOR FOR THE | | SUPPLY DAMPER CAN BE REPAIRED. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED OF THIS EVENT BY THE LICENSEE. | | | | SEE RELATED EVENT #30401. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30397 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 05/01/96 | |UNIT: [ ] [ ] [3] STATE: AL |NOTIFICATION TIME: 13:03 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 05/01/96 | +------------------------------------------------+EVENT TIME: 11:05[CDT]| |NRC NOTIFIED BY: M MORROW |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PIERCE SKINNER RDO | |ACCS 50.72(b)(1)(iv) ECCS INJECTION | | |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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR SCRAMMED ON LOW REACTOR VESSEL WATER LEVEL AND EMERGENCY CORE | | COOLING SYSTEMS INJECTED TO THE REACTOR VESSEL AFTER ALL THREE REACTOR | | FEEDWATER PUMPS TRIPPED ON LOW SUCTION PRESSURE. | | | | THE REACTOR SCRAMMED FROM 100% POWER ON LOW REACTOR VESSEL WATER LEVEL | | FOLLOWING A TRIP OF ALL THREE REACTOR FEEDWATER PUMP TURBINES. THE TRIP OF | | THE REACTOR FEEDWATER PUMPS WAS APPARENTLY DUE TO A MALFUNCTION OF THE | | CONDENSATE THRU STEAM PACKING EXHAUSTER BYPASS VALVE. MAINTENANCE | | TECHNICIANS WERE JUST COMPLETING REPLACEMENT OF THE ACTUATOR AND MOUNTING | | BRACKETS FOR THIS BYPASS VALVE WHEN THE VALVE AND SHAFT SEPARATED (INSIDE | | THE 20" DIAMETER PIPE), CAUSING THE VALVE TO CLOSE. | | | | CLOSURE OF THE BYPASS VALVE CAUSED THE OPERATING CONDENSATE PUMPS, | | CONDENSATE BOOSTER PUMPS AND REACTOR FEEDWATER PUMPS TO TRIP ON LOW SUCTION | | PRESSURE. THE REACTOR SCRAMMED ON LOW REACTOR VESSEL WATER LEVEL OF +11.2 | | INCHES (AS READ ON EMERGENCY RANGE WATER LEVEL INDICATION). ALL CONTROL | | RODS FULLY INSERTED INTO THE CORE. NO SAFETY/RELIEF VALVES OPENED DURING | | THIS TRANSIENT. WHEN REACTOR VESSEL WATER LEVEL DECREASED TO -45", HIGH | | PRESSURE COOLANT INJECTION (HPCI) AND REACTOR CORE ISOLATION COOLING (RCIC) | | PUMPS INITIATED AND THE REACTOR RECIRCULATION PUMPS TRIPPED. REACTOR VESSEL | | WATER LEVEL DECREASED TO ABOUT -60". HPCI WAS SECURED AFTER OPERATING FOR | | ABOUT 10 MINUTES. RCIC WAS SECURED LATER AFTER ONE REACTOR FEEDWATER PUMP | | WAS PLACED IN SERVICE. REACTOR VESSEL WATER LEVEL IS CURRENTLY AT +30" | | (NORMAL WATER LEVEL). DURING THIS EVENT, THE UNIT RECEIVED THE FOLLOWING | | ISOLATIONS: GROUP 2 (DRYWELL DRAINS, ETC.), GROUP 3 (REACTOR WATER CLEANUP, | | STANDBY GAS TREATMENT ACTUATION, AND CONTROL ROOM PRESSURIZATION), GROUP 6 | | (REACTOR BUILDING VENTILATION), AND GROUP 8 (TRANSVERSING INCORE PROBES). | | | | THE TURBINE BYPASS SYSTEM IS BEING USED TO DUMP STEAM TO THE MAIN | | CONDENSER. THE LICENSEE IS PLANNING TO GO TO A COLD SHUTDOWN CONDITION, | | REMOVE THE CONDENSATE SYSTEM FROM SERVICE, AND REPAIR THE VALVE. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30398 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 05/01/96 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 13:40 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 05/01/96 | +------------------------------------------------+EVENT TIME: 13:23[EDT]| |NRC NOTIFIED BY: OLSON |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |M MODES 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SOME TIME CONSTANTS FOR REACTOR PROTECTION SYSTEM (RPS) WERE FOUND TO BE | | SET NONCONSERVATIVELY. | | | | DURING A REVIEW OF UNIT TECHNICAL SPECIFICATIONS IN SUPPORT OF A CHANGE TO | | 24 MONTH REFUELING CYCLES, THE LICENSEE DISCOVERED THAT SOME RPS TIME | | CONSTANTS WERE SET NONCONSERVATIVELY. THE RATE/LAG CONTROLLER FOR THE HIGH | | STEAM LINE NEGATIVE RATE WAS FOUND TO BE SET AT ó 50 SECONDS WHEN IT SHOULD | | HAVE BEEN SET A ò 50 SECONDS. A VARIETY OF OTHER LEAD/LAG TIME CONSTANTS | | WERE FOUND TO BE SET AT THEIR NOMINAL VALUES INSTEAD OF BEING SET AT | | GREATER THAN THEIR NOMINAL VALUES. THE LICENSEE'S CORRECTIVE ACTION WILL | | BE TO SUBMIT A TECHNICAL SPECIFICATION CHANGE. THE LICENSEE NOTIFIED STATE | | AND LOCAL OFFICIALS OF THIS EVENT. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30399 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 05/01/96 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 14:17 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 05/01/96 | +------------------------------------------------+EVENT TIME: 14:00[EDT]| |NRC NOTIFIED BY: LATZ |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |M MODES 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 +------------------------------------------------------------------------------+ | TWO CONTROL ROOM EXHAUST FANS WERE FOUND NOT TO TRIP ON A HIGH RADIATION | | SIGNAL. | | | | ANALYSIS PERFORMED FOR POST THREE MILE ISLAND NUREG-0737 ASSUMED THAT | | CONTROL ROOM EXHAUST FANS TRIP UPON RECEIPT OF A HIGH RADIATION SIGNAL. | | SUBSEQUENT TESTING IDENTIFIED THAT TWO FANS DID NOT TRIP AS DESIGNED. | | FAILURE OF THE EXHAUST FANS TO TRIP WOULD RESULT IN A HIGHER THYROID DOSE | | (> 30 REM) TO THE CONTROL ROOM OPERATORS THAN ORIGINALLY ASSUMED. LICENSEE | | WILL CORRECT THIS PROBLEM. LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS OF | | THIS EVENT. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30400 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT SAINT VRAIN REGION: 4 |NOTIFICATION DATE: 05/01/96 | |UNIT: [1] [ ] [ ] STATE: CO |NOTIFICATION TIME: 15:01 [ET]| |RX TYPE: [1] GA (GENERAL ATOMIC) |EVENT DATE: 05/01/96 | +------------------------------------------------+EVENT TIME: 10:15[MDT]| |NRC NOTIFIED BY: SHAFER |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL 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 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE COLORADO DEPARTMENT OF HEALTH THAT BETWEEN | | 4/16/96 AND 4/23/96, THEIR SEWAGE TREATMENT EFFLUENT EXCEEDED THE ALLOWABLE | | LIMIT FOR BIOLOGICAL OXYGEN DEMAND. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30401 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DAVIS BESSE REGION: 3 |NOTIFICATION DATE: 05/01/96 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 16:20 [ET]| |RX TYPE: [1] B&W-R-LP |EVENT DATE: 05/01/96 | +------------------------------------------------+EVENT TIME: 00:57[EDT]| |NRC NOTIFIED BY: MYERS |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK RING 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FUEL IN THE SPENT FUEL POOL WAS MOVED WHILE BOTH EMERGENCY VENTILATION | | SYSTEMS FOR THE SPENT FUEL POOL ROOM WERE INOPERABLE. | | | | DURING REVIEW OF THE #2 EDG AUTOSTART ON 04/30/96, THE LICENSEE DETERMINED | | THAT, SINCE BOTH THE #1 AND #2 EDGs WERE INOPERABLE, THE SPENT FUEL POOL | | EMERGENCY VENTILATION SYSTEM WAS ALSO INOPERABLE DUE TO THE EMERGENCY POWER | | SUPPLIES BEING INOPERABLE. FUEL MOVEMENT IN THE SPENT FUEL POOL OCCURRED | | DURING THE TIME THAT BOTH TRAINS OF THE SPENT FUEL POOL EMERGENCY | | VENTILATION SYSTEM WERE INOPERABLE. TECHNICAL SPECIFICATION 3.9.12 | | PROHIBITS FUEL MOVEMENT IN THE SPENT FUEL POOL WHEN THE SPENT FUEL POOL | | EMERGENCY VENTILATION SYSTEM IS INOPERABLE. THE FUEL IN THE SPENT FUEL | | POOL WAS MOVED FOR INSPECTION AT 0057 ON 05/01/96 WHILE THE EDGs WERE | | INOPERABLE. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | | | | SEE RELATED EVENT #30396. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30402 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 05/01/96 | |UNIT: [ ] [2] [ ] STATE: CA |NOTIFICATION TIME: 22:35 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/01/96 | +------------------------------------------------+EVENT TIME: 18:12[PDT]| |NRC NOTIFIED BY: DAVID PIERCE |LAST UPDATE DATE: 05/01/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EDDY CURRENT TEST DETERMINED THAT > 1% OF #2-4 STEAM GENERATOR TUBES | | INSPECTED ARE DEFECTIVE. | | | | WHILE UNIT 2 IS DEFUELED, THE LICENSEE HAS DETERMINED BY EDDY CURRENT | | TESTING THAT GREATER THAN 1% (75) OF THE TUBES INSPECTED IN #2-4 STEAM | | GENERATOR THUS FAR ARE DEFECTIVE AND NEED TO BE PLUGGED. | | | | CURRENT RESULTS OF THE #2-4 STEAM GENERATOR TUBE INSPECTION FALL INTO | | CATEGORY C-3 IN TECH SPEC TABLE 4.4-2. EDDY CURRENT TESTING OF #2-4 STEAM | | GENERATOR TUBES IS CONTINUING. | | | | THE LICENSEE WILL SUBMIT A SPECIAL REPORT TO THE NRC WITHIN 30 DAYS IN | | ACCORDANCE WITH TECH SPEC 4.4.5.5.c AND AN LER TO THE NRC WITHIN 30 DAYS. | | | | ALSO SEE RELATED EVENT #30375 REGARDING EDDY CURRENT TESTING OF #2-2 STEAM | | GENERATOR. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR OF THIS EVENT. | +------------------------------------------------------------------------------+