U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/21/97 - 02/24/97 ** EVENT NUMBERS ** 31796 31826 31827 31828 31829 31830 31831 31832 31833 31834 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31796 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FERMI REGION: 3 |NOTIFICATION DATE: 02/16/97 | |UNIT: [2] [ ] [ ] STATE: MI |NOTIFICATION TIME: 16:56 [ET]| |RX TYPE: [2] GE-4 |EVENT DATE: 02/16/97 | +------------------------------------------------+EVENT TIME: 13:00[EST]| |NRC NOTIFIED BY: COSEO |LAST UPDATE DATE: 02/21/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAPAS 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION ISOLATION VALVE (HPCI) FAILED TO OPEN | | DURING TESTING. | | | | WHILE PERFORMING HPCI SYSTEM SURVEILLANCE TEST 24.202.05, HPCI PUMP INBOARD | | DISCHARGE ISOLATION VALVE (E41-50-F006) FAILED TO OPEN WHEN THE PUSH BUTTON | | WAS DEPRESSED. THE LICENSEE VERIFIED THAT THE OPEN RELAY COIL WAS | | ENERGIZED, OBSERVED CURRENT TO THE VALVE OPERATOR MOTOR, AND AUDIBLY | | CONFIRMED THAT THE MOTOR WAS RUNNING. HOWEVER, THE LICENSEE REPORTED THAT | | THE VALVE STEM DID NOT MOVE. THE LICENSEE IS CURRENTLY INVESTIGATING THIS | | PROBLEM. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | ***1601 FEBRUARY 21, 1997, UPDATE FROM SANJEEV ARAB RECEIVED BY TROCINE*** | | | | THE VALVE MOTOR HAS BEEN REMOVED. THE PINION GEAR ON THE MOTOR SHAFT WAS | | FOUND TO BE LOOSE AND HAD APPARENTLY WALKED UP THE SHAFT A SUFFICIENT | | DISTANCE SO THAT THE PINION GEAR NO LONGER ENGAGED THE WORM SHAFT GEAR. | | THIS RESULTED IN THE VALVE NOT OPENING. THE SHAFT KEY WAS IN PLACE AND | | UNDAMAGED. THE PINION SET SCREW WAS PROPERLY LOCK WIRED IN PLACE. | | EXAMINATION OF THE MOTOR SHAFT REVEALED AN INDENTATION WHERE THE SET SCREW | | HAD BEEN BEDDED AND A SLIGHTLY SCARRED SHAFT FROM THE INDENTATION TO THE | | END OF THE SHAFT. THE LICENSEE IS CONTINUING ITS INVESTIGATION. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS CENTER NOTIFIED THE R3DO (CLAYTON). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31826 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 4 |NOTIFICATION DATE: 02/21/97 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 10:29 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 02/21/97 | +------------------------------------------------+EVENT TIME: 09:10[CST]| |NRC NOTIFIED BY: S HUMPHRIES |LAST UPDATE DATE: 02/21/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHUCK CAIN 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SEVERE WEATHER FRONT THAT PASSED THROUGH THE AREA CAUSED THE LOSS OF | | SEVERAL EMERGENCY SIRENS. | | | | ON 02/20/97, A SEVERE WEATHER FRONT PASSED THROUGH THE GRAND GULF AREA | | CAUSING A LOSS OF POWER TO 12 OF 30 EMERGENCY SIRENS IN CLAIBORNE COUNTY, | | MISSISSIPPI, AND A LOSS OF POWER TO 1 OF 13 EMERGENCY SIRENS IN TENSAS | | PARISH, LOUISIANA. THE LOCAL ELECTRIC COMPANIES HAVE BEEN DISPATCHED TO | | RESTORE POWER TO THE INOPERABLE EMERGENCY SIRENS. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31827 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 02/21/97 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 13:07 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/21/97 | +------------------------------------------------+EVENT TIME: 09:20[EST]| |NRC NOTIFIED BY: LARRY SMEAD |LAST UPDATE DATE: 02/21/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRENT CLAYTON 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 85 POWER OPERATION | 85 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POSITIVE RANDOM FITNESS-FOR-DUTY TEST | | | | A RANDOM FITNESS-FOR-DUTY TEST FOR A LICENSEE SUPERVISOR WAS POSITIVE FOR | | ALCOHOL BASED ON EXTRAPOLATION. IMMEDIATE COMPENSATORY MEASURES WERE TAKEN | | UPON DISCOVERY. (REFER TO THE HOO LOG FOR ADDITIONAL DETAILS.) | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. (REFER TO THE HOO LOG | | FOR A SITE CONTACT TELEPHONE NUMBER.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31828 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 02/21/97 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 13:13 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/21/97 | +------------------------------------------------+EVENT TIME: 12:09[CST]| |NRC NOTIFIED BY: MARK STRACKA |LAST UPDATE DATE: 02/21/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRENT CLAYTON RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 42 POWER OPERATION | 42 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION REQUIRED SHUTDOWN DUE TO EXPIRATION OF A 48-HOUR | | LIMITING CONDITION FOR OPERATION BASED ON INOPERABILITY OF A DIESEL-DRIVEN | | CONTAINMENT SPRAY PUMP | | | | AT 1020 CST ON FEBRUARY 19, 1997, THE '1C' CONTAINMENT SPRAY PUMP WAS | | DECLARED INOPERABLE BECAUSE IT WOULD NOT START WITHIN THE REQUIRED DESIGN | | BASIS TIME OF 5 TO 6 SECONDS, AND A 48-HOUR LIMITING CONDITION FOR | | OPERATION WAS ENTERED PER TECHNICAL SPECIFICATION 3.6.1.C. THIS LIMITING | | CONDITION FOR OPERATION EXPIRED AT 1020 CST TODAY, AND A TECHNICAL | | SPECIFICATION REQUIRED SHUTDOWN WAS COMMENCED AT 1209 CST. TECHNICAL | | SPECIFICATION 3.6.1.D REQUIRES THE UNIT TO BE PLACED IN A HOT SHUTDOWN | | CONDITION WITHIN 4 HOURS (BY 1420 CST) AND ALLOWS THE UNIT TO REMAIN IN HOT | | SHUTDOWN FOR A MAXIMUM OF 48 HOURS BEFORE REQUIRING THE UNIT TO BE PLACED | | IN A COLD SHUTDOWN CONDITION. AT THE TIME OF THIS EVENT NOTIFICATION, THE | | UNIT WAS AT 41.7% POWER, AND THE REMAINING TWO MOTOR-DRIVEN CONTAINMENT | | SPRAY PUMPS WERE OPERABLE. | | | | THE LICENSEE CURRENTLY BELIEVES THAT AN ELECTRICAL PROBLEM (A POSSIBLE | | DELAYED START SIGNAL) MAY BE THE CAUSE FOR THE SLOW PUMP START TIMES (15 TO | | 20 SECONDS). EFFORTS TO RETURN THE PUMP TO AN OPERABLE STATUS AS SOON AS | | POSSIBLE ARE ONGOING. | | | | THE LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31829 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 02/21/97 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 15:40 [ET]| |RX TYPE: [1] CE |EVENT DATE: 02/21/97 | +------------------------------------------------+EVENT TIME: 13:40[EST]| |NRC NOTIFIED BY: LARRY GRIMARD |LAST UPDATE DATE: 02/21/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LARRY NICHOLSON RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL FOR FREEZING TEMPERATURES IN THE CIRCULATING WATER PUMP HOUSE | | | | AN EVALUATION PERFORMED ON THE CIRCULATING WATER PUMP HOUSE POSTULATED | | VARIOUS FAILURES OF THE VENTILATION SYSTEM. THE PRELIMINARY RESULTS OF THE | | ANALYSIS REVEALED THAT UNDER CERTAIN ASSUMED CONDITIONS, THE TEMPERATURE IN | | THE CIRCULATING WATER PUMP HOUSE COULD DECREASE TO 30øF (THE TEMPERATURE AT | | WHICH THE BRACKISH WATER PUMPED BY THE SERVICE WATER PUMPS IS CALCULATED TO | | FREEZE). | | | | THE SERVICE WATER SYSTEM PROVIDES THE ULTIMATE COOLING MEDIUM FOR THE | | RESIDUAL HEAT REMOVAL SYSTEM, AND IT IS REQUIRED FOR RESIDUAL HEAT REMOVAL. | | THIS CONDITION COULD PREVENT THE SERVICE WATER SYSTEM FROM FULFILLING ITS | | SAFETY FUNCTION IF THE FREEZING CAUSES THE PIPING TO BREAK OR IF ICE MASS | | SHOULD FORM AND TRAVEL IN THE FLOW STREAM. | | | | THE LICENSEE HAS INCREASED THE FREQUENCY OF THE OPERATOR ROUNDS TO THE | | CIRCULATING WATER PUMP HOUSE FOR ADDITIONAL MONITORING. THE LICENSEE ALSO | | REPORTED THAT THE CURRENT TEMPERATURE IS 36øF. AT THIS TIME, THE LICENSEE | | CONSIDERS BOTH THE SERVICE WATER AND RESIDUAL HEAT REMOVAL SYSTEMS TO BE | | OPERABLE, AND THE UNIT IS NOT IN A TECHNICAL SPECIFICATION LIMITING | | CONDITION FOR OPERATION AS A RESULT OF THIS ISSUE. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31830 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 02/21/97 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 17:07 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 02/21/97 | +------------------------------------------------+EVENT TIME: 14:00[CST]| |NRC NOTIFIED BY: MIKE SWEGLE |LAST UPDATE DATE: 02/21/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRENT CLAYTON 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTROL ROOM HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) | | REFRIGERATION CONTROL UNIT INOPERABLE DUE TO INADEQUATE COOLING | | | | THE LICENSEE DECLARED THE 'B' CONTROL ROOM HVAC REFRIGERATION CONTROL UNIT | | INOPERABLE DUE TO INADEQUATE COOLING FLOW TO THE OLD COMPUTER ROOM. THIS | | PLACES BOTH UNITS IN A 30-DAY LIMITING CONDITION FOR OPERATION PER | | TECHNICAL SPECIFICATION 3.8.D.1.b. FINAL SAFETY ANALYSIS REPORT SECTION | | 9.4 REQUIRES THIS TRAIN TO PROVIDE COOLING TO EQUIPMENT IN THAT AREA. | | | | THE LACK OF COOLING IS DUE TO AN IMBALANCE OF FLOW TO THE ROOM. PRESENTLY, | | THE LICENSEE IS IMPLEMENTING A PLAN TO CORRECT DEFICIENCIES IN THE SYSTEM, | | AND FLOW BALANCING IS PART OF THAT EVOLUTION. | | | | THE FLOW IMBALANCE WAS DISCOVERED AT 2200 CST YESTERDAY, AND THE 30-DAY | | LIMITING CONDITION FOR OPERATION WAS ENTERED AT 1400 CST TODAY. THE | | REPORTABILITY DETERMINATION WAS ALSO MADE AT 1400 CST TODAY. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31831 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 02/21/97 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 18:30 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 02/21/97 | +------------------------------------------------+EVENT TIME: 18:10[EST]| |NRC NOTIFIED BY: JAMES BAUER |LAST UPDATE DATE: 02/21/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LARRY NICHOLSON 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FEEDWATER COOLANT INJECTION SYSTEM DECLARED INOPERABLE DUE TO SLOW STROKE | | TIME OF THE EMERGENCY CONDENSATE TRANSFER PUMP DISCHARGE VALVE DURING | | SURVEILLANCE TESTING | | | | THIS UNIT DOES NOT HAVE A HIGH PRESSURE COOLANT INJECTION SYSTEM. IT | | UTILIZES THE MAIN FEEDWATER SYSTEM WITH A SEPARATE STARTING CIRCUIT FOR | | THIS FEATURE. IF NEEDED, THE CONDENSATE TRANSFER PUMP WOULD START TO PUMP | | WATER FROM THE CONDENSATE STORAGE TANK TO THE FEEDWATER PUMP SUCTION. | | HOWEVER, THE DISCHARGE VALVE ON THE EMERGENCY CONDENSATE TRANSFER PUMP | | (#1MW-96A) DOES NOT STROKE PROPERLY IF AN ACCIDENT WERE TO OCCUR DURING | | SURVEILLANCE TESTING. | | | | THE CONTROL CIRCUIT OF THIS VALVE REQUIRES IT TO STROKE FULLY TO THE CLOSED | | POSITION BEFORE IT CAN STROKE BACK INTO THE OPEN POSITION. IF THE VALVE | | WERE IN THE PROCESS OF GOING CLOSED DURING A SURVEILLANCE TEST AND IF AN | | ACCIDENT OCCURRED WHICH REQUIRED THE VALVE TO GO TO ITS SAFETY POSITION | | (WHICH IS OPEN), THE VALVE WOULD HAVE TO TRAVEL COMPLETELY TO ITS CLOSED | | POSITION BEFORE IT WOULD STROKE OPEN AGAIN. THE PLANT'S DESIGN BASIS | | REQUIRES THE SYSTEM TO BE ABLE TO PROVIDE 3,600 GALLONS PER MINUTE | | INJECTION FLOW WITHIN 20 SECONDS OF THE SYSTEM RECEIVING POWER FROM THE GAS | | TURBINE. THE VALVE IN QUESTION IS A 40 SECOND TRAVEL VALVE. THEREFORE, IT | | TAKES 40 SECONDS FOR THE VALVE TO TRAVEL FROM THE FULLY OPEN POSITION TO | | THE FULLY CLOSED POSITION, AND IT TAKES APPROXIMATELY 17 SECONDS FOR THE | | VALVE TO REOPEN ENOUGH TO OBTAIN THE REQUIRED 3,600 GALLONS PER MINUTE | | INJECTION FLOW. THIS PLACES THE UNIT OUTSIDE ITS DESIGN BASIS. AS A | | RESULT, THE LICENSEE HAS PLACED THE FEEDWATER COOLANT INJECTION SYSTEM IN | | AN INOPERABLE STATUS. THE UNIT IS NOT IN A TECHNICAL SPECIFICATION | | LIMITING CONDITION FOR OPERATION AS A RESULT OF THIS ISSUE DUE TO THE | | CURRENT MODE OF OPERATION (COLD SHUTDOWN). | | | | THE LICENSEE IDENTIFIED A FEW OTHER VALVES IN THE PLANT THAT HAVE THE SAME | | STROKE CIRCUIT. AT THIS TIME, THE LICENSEE DOES NOT BELIEVE THAT THESE | | ADDITIONAL VALVES ARE OUTSIDE THEIR DESIGN BASIS, BUT INVESTIGATIONS ARE | | CURRENTLY ONGOING. THE LICENSEE PLANS TO PROVIDE AN UPDATE TO THIS REPORT | | IF THIS DETERMINATION CHANGES. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND THE APPLICABLE STATE | | AND LOCAL OFFICIALS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31832 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 02/22/97 | |UNIT: [1] [ ] [ ] STATE: FL |NOTIFICATION TIME: 11:11 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 02/21/97 | +------------------------------------------------+EVENT TIME: 17:30[EST]| |NRC NOTIFIED BY: DAVE WILLIAMS |LAST UPDATE DATE: 02/22/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KERRY LANDIS RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 99 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - POWER REDUCED DUE TO ERROR IN CALORIMETRIC POWER CALIBRATION CONSTANTS - | | | | AT 1730 ON 02/21/97, THE LICENSEE DETERMINED THAT THE FEEDWATER FLOW | | CALIBRATION CONSTANTS USED IN THE DIGITAL DATA PROCESSING SYSTEM FOR | | CALORIMETRIC POWER DETERMINATION AT UNIT 1 WERE IN ERROR. THE ERROR | | RESULTED IN A NON-CONSERVATIVE DETERMINATION OF CALORIMETRIC REACTOR POWER | | BY A MAXIMUM OF 0.63%. IN RESPONSE, THE LICENSEE REDUCED POWER ON UNIT 1 | | FROM 100% TO 99% AND FORMED AN EVENT RESPONSE TEAM TO INVESTIGATE THIS | | CONDITION. LICENSEE ANALYSIS INDICATES THAT THE 102% POWER LIMIT USED IN | | THE SAFETY ANALYSIS WAS NOT VIOLATED WHEN THE FULL 0.63% ERROR IS ADDED | | TO THE EXISTING 1.16% INSTRUMENT UNCERTAINTY. THE LICENSEE VERIFIED THAT | | ALL REMAINING CALIBRATION CONSTANTS WITHIN THE DIGITAL DATA PROCESSING | | SYSTEM FOR BOTH UNITS 1 AND 2 CALORIMETRIC POWER DETERMINATION ARE CORRECT. | | | | THE LICENSEE BELIEVES THAT THIS CONDITION HAS EXISTED SINCE STARTUP OF | | UNIT 1 FROM THE LAST REFUELING OUTAGE IN JULY, 1996. | | | | THERE ARE NO IMMEDIATE REPORTING REQUIREMENTS FOR THIS EVENT IN THE UNIT 1 | | OPERATING LICENSE. HOWEVER, THERE IS A 24 HOUR NOTIFICATION REQUIREMENT | | FOR THIS TYPE OF EVENT IN THE UNIT 2 OPERATING LICENSE. THUS, THE LICENSEE | | IS ELECTING TO REPORT THIS EVENT AS A 24 HOUR NOTIFICATION ON UNIT 1 BASED | | ON A VIOLATION OF THE UNIT 1 OPERATING LICENSE CONDITION C.1 FOR MAXIMUM | | POWER LEVEL. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31833 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 02/22/97 | |UNIT: [ ] [2] [ ] STATE: TX |NOTIFICATION TIME: 17:53 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/22/97 | +------------------------------------------------+EVENT TIME: 15:09[CST]| |NRC NOTIFIED BY: JOSEPH A. HESSLING |LAST UPDATE DATE: 02/22/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CAIN RDO | |AMED 50.72(b)(2)(v) OFFSITE MEDICAL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | TRANSPORT OF A CONTAMINATED INJURED INDIVIDUAL TO AN OFFSITE MEDICAL | | FACILITY | | | | AT 1509 CST, THE CONTROL ROOM RECEIVED A CALL OF A PERSONNEL INJURY. A | | WORKER WAS HIT IN THE HEAD WITH A "CROW'S FOOT" ADAPTER WHICH CAME LOOSE | | FROM A TOOL FROM ANOTHER JOB ABOVE HIM. THE WORKER WAS IN THE REACTOR | | CAVITY AT THE TIME OF THE INCIDENT. HE RECEIVED A LACERATION ON HIS | | FOREHEAD AND ANOTHER AT HIS LIPS. THE INDIVIDUAL WAS TRANSPORTED OFFSITE | | AT 1534 CST, AND ALL EXPOSED AREAS WERE FRISKED FOR CONTAMINATION. THE | | INDIVIDUAL ARRIVED AT MATAGORDA GENERAL HOSPITAL IN BAY CITY AT 1602 CST | | WHERE COMPLETION OF FRISKING REVEALED CONTAMINATION LEVELS OF 700 COUNTS | | PER MINUTE ON THE BACK OF HIS RIGHT LEG AND 500 COUNTS PER MINUTE ON THE | | CENTER OF HIS BACK. THE CONTAMINATION WAS CONTAINED ON THE INDIVIDUAL'S | | MODESTY GARMENTS WITH NO DISCERNIBLE CONTAMINATION TO HIS BODY. THE | | INJURED INDIVIDUAL WAS COHERENT WHILE EN ROUTE TO AND UPON ARRIVAL AT | | MATAGORDA GENERAL HOSPITAL. THE CONTAMINATED MODESTY GARMENTS HAVE BEEN | | BAGGED AND WILL BE TRANSPORTED BACK TO THE SITE BY CERTIFIED HEALTH PHYSICS | | PERSONNEL. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 31834 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/23/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 08:03 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/22/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 20:30[CST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/23/97 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |BRENT CLAYTON, REG3 RDO | | DOCKET: 0707001 |M. WEBER, NMSS EO | +------------------------------------------------+STU RUBIN, IRD AEOD | |NRC NOTIFIED BY: R BOSHELL | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DURING A REVIEW OF A NUCLEAR CRITICALITY SAFETY ANALYSIS EVALUATION, IT WAS | | DISCOVERED THAT DOUBLE CONTINGENCY WAS NOT BEING FULLY IMPLEMENTED AT THE | | DECONTAMINATION FACILITY SPRAY BOOTH. | | | | THIS EVENT WAS CLASSIFIED AS A 24-HOUR NOTIFICATION PER NRC BULLETIN 91-01 | | (CRITICALITY CONTROL). | | | | DURING A REVIEW OF NUCLEAR CRITICALITY SAFETY ANALYSIS/EVALUATION 3973-06 | | REQUEST 1660; NUCLEAR CRITICALITY SAFETY PERSONNEL DETERMINED THAT THE | | ANALYSIS DOES NOT FULLY IMPLEMENT THE DOUBLE CONTINGENCY PRINCIPLE FOR | | PREVENTING DECONTAMINATION OF MATERIAL AT ASSAYS GREATER THAN 2.75 wt. % | | U-235 IN THE DECONTAMINATION FACILITY (C-400) SPRAY BOOTH. THE ANALYSIS | | DOES PROVIDE SINGLE CONTINGENCY. THE ASSAY OF THE CONTAMINATION ON THE | | EQUIPMENT TO BE DECONTAMINATED IN THE SPRAY BOOTH IS DETERMINED BY THE | | EQUIPMENT OWNER BASED ON THE HISTORY OF THE EQUIPMENT, AND A TAG WITH THIS | | INFORMATION IS PLACED ON THE EQUIPMENT. DECONTAMINATION PERSONNEL CONTACT | | THE PERSON THAT MADE THIS DETERMINATION PRIOR TO MOVING THE EQUIPMENT INTO | | THE SPRAY BOOTH TO VERIFY THE INFORMATION ON THE TAG IS CORRECT. (THIS | | STEP HAS BEEN DETERMINED TO BE INADEQUATE AS AN INDEPENDENT VERIFICATION OF | | ASSAY BECAUSE THEY ARE ASKING THE SAME PERSON WHO FILLED THAT TAG OUT TO | | VERIFY THE INFORMATION ON THE TAG.) AT THE TIME OF DISCOVERY, THE SPRAY | | BOOTH WAS NOT IN OPERATION. THE SPRAY BOOTH HAS BEEN TAKEN OUT OF SERVICE | | AND WILL REMAIN OUT OF SERVICE UNTIL DOUBLE CONTINGENCY HAS BEEN | | IMPLEMENTED FOR THE DECONTAMINATION FACILITY (C-400) SPRAY BOOTH. THE | | SPRAY BOOTH IS GEOMETRICALLY SAFE FOR SOLUTIONS UP TO 2.75 wt. % U-235. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+