U.S. Nuclear Regulatory Commission Operations Center Event Reports For 01/29/97 - 01/30/97 ** EVENT NUMBERS ** 31544 31571 31580 31589 31601 31603 31606 31678 31679 31680 31681 31682 31683 31684 31685 31686 31687 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31544 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 01/05/97 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 05:33 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/05/97 | +------------------------------------------------+EVENT TIME: 01:24[PST]| |NRC NOTIFIED BY: DICK WILLETT |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - PHYSICAL SECURITY EVENT - | | | | AT 0124 (PST), THE MAIN PLANT SECURITY COMPUTER AND THE BACKUP PLANT | | SECURITY COMPUTER WERE LOST. | | | | AT 0135 (PST), THE MAIN PLANT SECURITY COMPUTER WAS RESTORED TO SERVICE. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1551 ON 01/29/97 BY BILL DRAKE ENTERED BY JOLLIFFE * * * | | | | THE LICENSEE DESIRES TO RETRACT THIS EVENT NOTIFICATION AND TO REVISE IT | | FROM A REPORTABLE SECURITY EVENT TO A LOGGABLE SECURITY EVENT SINCE | | COMPENSATORY MEASURES (POSTED AND ROVING SECURITY GUARDS) WERE IN PLACE | | DURING THIS EVENT. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE | | R4DO (IAN BARNES). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31571 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/10/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 16:47 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/10/97 | +------------------------------------------------+EVENT TIME: 16:16[EST]| |NRC NOTIFIED BY: BARRY PINKOWITZ |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH ENERGY LINE BREAK DOOR LEFT OPEN DURING BATTERY REPLACEMENT. | | | | THE HIGH ENERGY LINE BREAK DOOR TO THE UNIT 3 TRAIN-A 4160-VOLT SWITCHGEAR | | ROOM WAS LEFT OPEN BETWEEN 8 TO 12 HOURS DURING STATION BATTERY | | REPLACEMENT. A HOT WATER HEATING LINE TRAVERSES IN FRONT OF THE HIGH | | ENERGY LINE BREAK DOOR WHICH WAS OPEN. IF THE HOT WATER HEATING LINE HAD | | BROKEN WHILE THE DOOR WAS OPEN, THE STEAM FROM THE BROKEN LINE COULD HAVE | | ENTERED THE VITAL 4160-VOLT SWITCHGEAR ROOM WHICH COULD HAVE RESULTED IN A | | LOSS OF POWER TO THE RESIDUAL HEAT REMOVAL PUMPS AND THE SERVICE WATER | | PUMPS. UPON DISCOVERY OF THIS SITUATION, THE LICENSEE CLOSED THE DOOR. A | | FIRE WATCH WAS POSTED AT THE DOOR WHILE IT WAS OPENED, BUT THE LICENSEE | | SAID THAT IT COULD NOT BE ASSUMED THAT THE FIRE WATCH WOULD HAVE CLOSED THE | | DOOR IF THE HOT WATER LINE HAD BROKEN. THE LICENSEE NOTIFIED THE STATE OF | | CONNECTICUT OF THIS EVENT. THE NRC RESIDENT INSPECTOR WAS ALSO NOTIFIED OF | | THIS EVENT BY THE LICENSEE. | | | | * * * 1944 JANUARY 29, 1997, UPDATE FROM GENTRY RECEIVED BY TROCINE * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LICENSEE INITIALLY | | DETERMINED THAT HIGH ENERGY LINE BREAK BARRIERS AND DOORS WERE REQUIRED TO | | BE FULLY QUALIFIED AND OPERABLE DURING ALL MODES OF OPERATION. HOWEVER, A | | REVIEW OF THE LICENSEE'S DESIGN BASIS REVEALED THAT THEY ARE ONLY REQUIRED | | AND ASSUMED TO BE INTACT WHEN THE UNIT IS OPERATING IN MODES 1 THROUGH 4. | | THE UNIT WAS IN MODE 5 AT THE TIME OF THIS EVENT NOTIFICATION. THE | | LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | CENTER NOTIFIED THE R1DO (KELLY). (REFER TO EVENT NUMBERS 31580, 31589, | | 31601, 31603, AND 31606 FOR SIMILAR EVENTS.) | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31580 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/12/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 08:44 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/12/97 | +------------------------------------------------+EVENT TIME: 08:33[EST]| |NRC NOTIFIED BY: MIKE GENTRY |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A HIGH ENERGY LINE BREAK BARRIER WAS BLOCKED OPEN DUE TO HUMAN ERROR. | | | | A SECURITY GUARD BLOCKED OPEN A CONTROL BUILDING HIGH ENERGY LINE BREAK | | BARRIER (A HATCH TYPE DOOR) FOR MOST OF JANUARY 11, 1997. THE LICENSEE WAS | | REPLACING THE STATION BATTERY IN THAT ROOM, AND THE GUARD ALSO OPENED A | | SECURITY DOOR WHICH HE WAS GUARDING. THE LICENSEE HAS NOT DETERMINED THE | | GUARD'S EXACT THOUGHT PROCESS AT THIS TIME. | | | | THE LICENSEE INFORMED STATE AND LOCAL GOVERNMENTS AND THE NRC RESIDENT | | INSPECTOR. | | | | * * * 1944 JANUARY 29, 1997, UPDATE FROM GENTRY RECEIVED BY TROCINE * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LICENSEE INITIALLY | | DETERMINED THAT HIGH ENERGY LINE BREAK BARRIERS AND DOORS WERE REQUIRED TO | | BE FULLY QUALIFIED AND OPERABLE DURING ALL MODES OF OPERATION. HOWEVER, A | | REVIEW OF THE LICENSEE'S DESIGN BASIS REVEALED THAT THEY ARE ONLY REQUIRED | | AND ASSUMED TO BE INTACT WHEN THE UNIT IS OPERATING IN MODES 1 THROUGH 4. | | THE UNIT WAS IN MODES 5 AT THE TIME OF THIS EVENT NOTIFICATION. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS CENTER NOTIFIED THE R1DO (KELLY). (REFER TO EVENT NUMBERS | | 31571, 31589, 31601, 31603, AND 31606 FOR SIMILAR EVENTS.) | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31589 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/14/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 14:11 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/14/97 | +------------------------------------------------+EVENT TIME: 13:30[EST]| |NRC NOTIFIED BY: ROTHGEB |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID SILK 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DOOR TO CABLE SPREADING ROOM FOUND BLOCKED OPEN | | | | THE SHIFT MANAGER WAS NOTIFIED THAT A DOOR TO THE CABLE SPREADING ROOM | | LOCATED BELOW THE CONTROL ROOM WAS BLOCKED OPEN. THIS DOOR IS A HIGH | | ENERGY LINE BREAK PROTECTION BOUNDARY. THE DOOR HAS BEEN CLOSED, AND AN | | INVESTIGATION IS BEING CONDUCTED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | * * * 1944 JANUARY 29, 1997, UPDATE FROM GENTRY RECEIVED BY TROCINE * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LICENSEE INITIALLY | | DETERMINED THAT HIGH ENERGY LINE BREAK BARRIERS AND DOORS WERE REQUIRED TO | | BE FULLY QUALIFIED AND OPERABLE DURING ALL MODES OF OPERATION. HOWEVER, A | | REVIEW OF THE LICENSEE'S DESIGN BASIS REVEALED THAT THEY ARE ONLY REQUIRED | | AND ASSUMED TO BE INTACT WHEN THE UNIT IS OPERATING IN MODES 1 THROUGH 4. | | THE UNIT WAS IN MODE 5 AT THE TIME OF THIS EVENT NOTIFICATION. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS CENTER NOTIFIED THE R1DO (KELLY). (REFER TO EVENT NUMBERS | | 31571, 31580, 31601, 31603, AND 31606 FOR SIMILAR EVENTS.) | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31601 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/16/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 08:20 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/16/97 | +------------------------------------------------+EVENT TIME: 07:55[EST]| |NRC NOTIFIED BY: GERBER |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID SILK 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A HIGH ENERGY LINE BREAK DOOR WAS FOUND UNLATCHED. | | | | THE HIGH ENERGY LINE BREAK DOOR TO THE SWITCHGEAR ROOM WAS FOUND UNLATCHED. | | THIS CONDITION HAD THE POTENTIAL TO AFFECT CLASS-1E ELECTRICAL LOADS, WHICH | | IN TURN COULD AFFECT SHUTDOWN COOLING. THERE WERE NO ACTUATIONS OR SIGNALS | | WHICH CAUSED THE DOOR TO UNLATCH, AND THE LICENSEE IS INVESTIGATING WHY THE | | DOOR WAS UNLATCHED. THE DOOR WAS IMMEDIATELY LATCHED AFTER BEING | | DISCOVERED UNLATCHED. | | | | THE RESIDENT INSPECTOR AND THE APPLICABLE STATE AND LOCAL AGENCIES WERE | | NOTIFIED. | | | | * * * 1944 JANUARY 29, 1997, UPDATE FROM GENTRY RECEIVED BY TROCINE * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LICENSEE INITIALLY | | DETERMINED THAT HIGH ENERGY LINE BREAK BARRIERS AND DOORS WERE REQUIRED TO | | BE FULLY QUALIFIED AND OPERABLE DURING ALL MODES OF OPERATION. HOWEVER, A | | REVIEW OF THE LICENSEE'S DESIGN BASIS REVEALED THAT THEY ARE ONLY REQUIRED | | AND ASSUMED TO BE INTACT WHEN THE UNIT IS OPERATING IN MODES 1 THROUGH 4. | | THE UNIT WAS IN MODE 5 AT THE TIME OF THIS EVENT NOTIFICATION. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS CENTER NOTIFIED THE R1DO (KELLY). (REFER TO EVENT NUMBERS | | 31571, 31580, 31589, 31603, AND 31606 FOR SIMILAR EVENTS.) | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31603 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/16/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 11:31 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/16/97 | +------------------------------------------------+EVENT TIME: 11:30[EST]| |NRC NOTIFIED BY: KULTERMAN |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAVID SILK 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF INTEGRITY TO THE CABLE SPREADING ROOM DUE TO THE HIGH ENERGY LINE | | BREAK DOOR BEING UNLATCHED | | | | THIS CONDITION, WHICH OCCURRED ON JANUARY 15, 1997, COULD LEAD TO A | | SITUATION WHERE A HIGH ENERGY BREAK COULD POSSIBLY AFFECT THE BREAKER | | LOCATED IN THE CABLE SPREADING ROOM WHICH CONTROLS RESIDUAL HEAT REMOVAL | | PUMP OPERATION. THIS WOULD RESULT IN THE FAILURE OF THE PUMP. THE DOOR | | WAS IMMEDIATELY LATCHED, AND A CONTINUOUS WATCH WAS ESTABLISHED TO VERIFY | | THAT IT REMAINS LATCHED. THE UNLATCHED DOOR WAS DUE TO A PROBLEM WITH BOTH | | THE LATCHING MECHANISM AND PERSONNEL OPERATING THE DOOR. THE LICENSEE WILL | | CONDUCT PERSONNEL TRAINING ON OPERATION OF THIS TYPE OF DOOR. | | | | THE RESIDENT INSPECTOR AND THE APPLICABLE STATE AND LOCAL AGENCIES WERE | | NOTIFIED. | | | | * * * 1944 JANUARY 29, 1997, UPDATE FROM GENTRY RECEIVED BY TROCINE * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LICENSEE INITIALLY | | DETERMINED THAT HIGH ENERGY LINE BREAK BARRIERS AND DOORS WERE REQUIRED TO | | BE FULLY QUALIFIED AND OPERABLE DURING ALL MODES OF OPERATION. HOWEVER, A | | REVIEW OF THE LICENSEE'S DESIGN BASIS REVEALED THAT THEY ARE ONLY REQUIRED | | AND ASSUMED TO BE INTACT WHEN THE UNIT IS OPERATING IN MODES 1 THROUGH 4. | | THE UNIT WAS IN MODE 5 AT THE TIME OF THIS EVENT NOTIFICATION. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS CENTER NOTIFIED THE R1DO (KELLY). (REFER TO EVENT NUMBERS | | 31571, 31580, 31589, 31601, AND 31606 FOR SIMILAR EVENTS.) | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31606 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/16/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 13:12 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/16/97 | +------------------------------------------------+EVENT TIME: 12:30[EST]| |NRC NOTIFIED BY: DON GERBER |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - 3 VITAL AREA PERSONNEL ACCESS DOORS LEFT OPEN AND 1 LEFT UNLATCHED - | | | | LICENSEE PERSONNEL DISCOVERED THREE PERSONNEL ACCESS DOORS LEFT OPEN AND | | ONE UNLATCHED. THESE OPEN/UNLATCHED DOORS ARE HIGH ENERGY LINE BREAK DOORS | | THAT AFFECT PRESSURIZATION AND VENTILATION CAPABILITY OF THE CONTROL ROOM | | AND VITAL SWITCHGEAR ROOMS. | | | | LICENSEE PERSONNEL CLOSED AND LATCHED ALL FOUR DOORS AND POSTED A | | CONTINUOUS WATCH ON ALL FOUR DOORS. THE LICENSEE IS INVESTIGATING THIS | | SITUATION. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. | | | | * * * 1944 JANUARY 29, 1997, UPDATE FROM GENTRY RECEIVED BY TROCINE * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LICENSEE INITIALLY | | DETERMINED THAT HIGH ENERGY LINE BREAK BARRIERS AND DOORS WERE REQUIRED TO | | BE FULLY QUALIFIED AND OPERABLE DURING ALL MODES OF OPERATION. HOWEVER, A | | REVIEW OF THE LICENSEE'S DESIGN BASIS REVEALED THAT THEY ARE ONLY REQUIRED | | AND ASSUMED TO BE INTACT WHEN THE UNIT IS OPERATING IN MODES 1 THROUGH 4. | | THE UNIT WAS IN MODE 5 AT THE TIME OF THIS EVENT NOTIFICATION. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS CENTER NOTIFIED THE R1DO (KELLY). (REFER TO EVENT NUMBERS | | 31571, 31580, 31589, 31601, AND 31603 FOR SIMILAR EVENTS.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31678 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WOLF CREEK REGION: 4 |NOTIFICATION DATE: 01/29/97 | |UNIT: [1] [ ] [ ] STATE: KS |NOTIFICATION TIME: 00:47 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 01/28/97 | +------------------------------------------------+EVENT TIME: 23:23[CST]| |NRC NOTIFIED BY: MARK COVEY |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |IAN BARNES RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | DISCOVERY OF LOSS OF SECURITY EQUIPMENT. COMPENSATORY MEASURES ARE BEING | | TAKEN. | | | | SEE HOO LOG FOR FURTHER DETAILS. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31679 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 4 |NOTIFICATION DATE: 01/29/97 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 05:05 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 01/29/97 | +------------------------------------------------+EVENT TIME: 03:40[CST]| |NRC NOTIFIED BY: McDONALD |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |IAN BARNES RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM 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 +------------------------------------------------------------------------------+ | SAFETY PARAMETER DISPLAY SYSTEM (SPDS) IS OUT OF SERVICE. | | | | THE SPDS IS OUT OF SERVICE DUE TO A COMPUTER PROBLEM. ALL PLANT | | INDICATIONS INCLUDING THE PARAMETER DISPLAY SYSTEM (PDS) ARE FULLY | | OPERABLE. THE LICENSEE HAS CALLED IN COMPUTER TECHNICIANS TO REPAIR THE | | SPDS COMPUTER. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE OF THIS EVENT. | | | | *** 0549 EST UPDATE ON 01/29/97 FROM McDONALD TAKEN BY MACKINNON *** | | | | THE SPDS MONITOR IS BURNED OUT. THE LICENSEE WILL REPLACE THE MONITOR. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | | THE R4DO (IAN BARNES) WAS NOTIFIED BY THE NRC OPERATIONS CENTER. | | | | *** 1004 EST UPDATE ON 01/29/97 FROM JIM ANDERSON TAKEN BY TROCINE *** | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LOSS OF THE SPDS | | MONITOR DID NOT CONSTITUTE THE LOSS OF THE SPDS FUNCTION BECAUSE THE SAME | | INFORMATION WAS AVAILABLE ON THE PDS. THE LOSS OF THE SPDS MONITOR IS | | BELIEVED TO BE A HARDWARE PROBLEM ONLY. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. THE R4DO (IAN | | BARNES) WAS NOTIFIED BY THE NRC OPERATIONS CENTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31680 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 01/29/97 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 08:59 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 01/29/97 | +------------------------------------------------+EVENT TIME: 08:35[EST]| |NRC NOTIFIED BY: JIM ANDERSON |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |CHARLES HOSEY RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ROBERT DENNIG, NRR EO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS |STINEDURF FEMA | | |RICHARD BARRETT, IRD AEOD | | |PIERCE SKINNER REG2 | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | M/R Y 10 STARTUP | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DECLARATION OF AN UNUSUAL EVENT DUE TO IDENTIFICATION OF PRESSURE BOUNDARY | | LEAKAGE ON THE WELD OF A RESIDUAL HEAT REMOVAL SHUTDOWN COOLING SUCTION | | LINE THAT COMES OFF OF THE RECIRCULATION LOOP | | | | APPARENTLY, TOTAL FLOOR DRAIN LEAKAGE IN THE DRYWELL HAS BEEN SLOWLY | | INCREASING, AND THE LICENSEE DECIDED TO SHUT THE UNIT DOWN IN ORDER TO | | INVESTIGATE THE SOURCE. THE TOTAL FLOOR DRAIN LEAKAGE DURING THE PAST 24 | | HOURS WAS DETERMINED TO BE 2.53 GALLONS PER MINUTE, AND THE TECHNICAL | | SPECIFICATION LIMIT WAS 5.0 GALLONS PER MINUTE. WITH THE UNIT OFF LINE AT | | 9.8% POWER, THE LICENSEE MADE A DRYWELL ENTRY AND IDENTIFIED LEAKAGE FROM | | THE WELD OF A RESIDUAL HEAT REMOVAL SHUTDOWN COOLING SUCTION LINE THAT | | COMES OFF OF A RECIRCULATION LOOP. THE LEAKAGE FROM THIS WELD WAS | | ESTIMATED TO BE APPROXIMATELY 1.5 GALLONS PER MINUTE AND IS CONSIDERED BY | | THE LICENSEE TO BE PRESSURE BOUNDARY LEAKAGE. AS A RESULT, THE UNIT | | DECLARED AN UNUSUAL EVENT AT 0835. ALL EMERGENCY CORE COOLING SYSTEMS ARE | | AVAILABLE IF NEEDED. | | | | THE REACTOR WAS MANUALLY SCRAMMED AT 0849. ALL CONTROL RODS FULLY INSERTED | | INTO THE CORE. STEAM IS BEING DUMPED TO THE MAIN CONDENSER VIA THE TURBINE | | BYPASS VALVES TO MAINTAIN THE PLANT CONDITIONS. | | | | THE LICENSEE PLANS TO TERMINATE THE UNUSUAL EVENT EITHER WHEN THE UNIT | | REACHES COLD SHUTDOWN IN 8 TO 10 HOURS OR WHEN THE VALVE IS REPAIRED. THE | | LINE IN QUESTION CAN BE ISOLATED, BUT DOING SO WOULD ALSO ISOLATE SHUTDOWN | | COOLING. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND THE APPLICABLE STATE | | AND LOCAL AGENCIES. | | | | * * * 1755 JANUARY 29, 1997, UPDATE FROM HAMMONDS ENTERED BY JOLLIFFE * * * | | | | THE LICENSEE REPORTED THAT A LOCAL RADIO STATION BROADCAST A NEWS REPORT | | REGARDING THE DECLARATION OF THE UNUSUAL EVENT AT HATCH UNIT 1. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE | | R2DO (CHUCK HOSEY) AND NRR EO (JOSE CALVO). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 31681 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: U.S. ARMY |NOTIFICATION DATE: 01/29/97 | | CITY: FT. KNOX REGION: 2 |NOTIFICATION TIME: 11:34 [ET]| | COUNTY: STATE: KY |EVENT DATE: 12/10/96 | |LICENSE#: 12-00722-06 AGREEMENT: Y |EVENT TIME: 12:00[EST]| | DOCKET: |LAST UPDATE DATE: 01/29/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JAMES CREED, REG 3 RDO | | |LARRY CAMPER, MNSS EO | +------------------------------------------------+RICHARD BARRETT, IRD AEOD | |NRC NOTIFIED BY: BETTY PETERSON |CHARLES HOSEY, REG 2 R2DO | |HQ OPS OFFICER: LEIGH TROCINE |IAN BARNES, REG 4 R4DO | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB1 20.2201(a)(1)(i) LOST/STOLEN LNM>1000X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY THAT 12 MUZZLE REFERENCE SENSORS EACH CONTAINING 10 CURIES OF | | TRITIUM (120 CURIES TOTAL) WERE MISSING FROM THE U.S. ARMY FACILITY LOCATED | | IN FT. KNOX, KENTUCKY | | | | MUZZLE REFERENCE SENSORS WHICH ARE USED FOR U.S. ARMY TANKS HAD BEEN | | REHABILITATED BY OPTEX IN RICHARDSON, TEXAS; AND 90 OF THESE SENSORS WERE | | TRANSPORTED VIA TARGET AIR FREIGHT BACK TO A U.S. ARMY FACILITY IN FT. | | KNOX, KENTUCKY, ON NOVEMBER 14, 1996. THE SHIPMENT WAS RECEIVED IN FT. | | KNOX ON NOVEMBER 25, 1996, AND IT WAS DISCOVERED THAT THERE WAS A PROBLEM | | WITH THE SHIPMENT ON DECEMBER 10, 1996. APPARENTLY, 12 MUZZLE REFERENCE | | SENSORS WERE MISSING. | | | | THE MISSING SENSORS EACH CONTAINED 10 CURIES OF TRITIUM WITH 2 BARRIERS | | INSIDE A GLASS TUBE THAT WAS APPROXIMATELY 5 INCHES BY 5 INCHES BY 4 | | INCHES. EACH SENSOR WAS INSIDE A BOX, 12 BOXES WERE PLACED INSIDE A | | CARTON, AND 8 CARTONS (7 FULL AND 1 HALF EMPTY) WERE APPARENTLY TRANSPORTED | | ON 2 PALLETS. THE SENSORS WERE INDIVIDUALLY LABELLED AS RADIOACTIVE | | MATERIAL WITH 10 CURIES OF TRITIUM, BUT THE BOXES WERE NOT LABELLED. IN | | ADDITION, THE SHIPMENT WAS NOT CODED AS AN INSTRUMENT AND ARTICLE SHIPMENT. | | IT WAS SHIPPED AS TWO PALLETS RATHER THAN EIGHT CARTONS. | | | | THE LICENSEE'S INVESTIGATION IS CURRENTLY ONGOING. THE LICENSEE DOES NOT | | BELIEVE THAT THERE WOULD BE A HAZARD TO INDIVIDUALS UNLESS THE INDIVIDUALS | | TRIED TO BREAK THE SENSORS OPEN. THERE IS NO RADIATION EMANATING FROM THE | | EQUIPMENT WHEN IT IS INTACT. | | | | AN NRC REGION 3 INSPECTOR IS CURRENTLY PERFORMING AN INSPECTION AT THE U.S. | | ARMY FACILITY IN ROCK ISLAND, ILLINOIS. (REFER TO THE HOO LOG FOR A SITE | | CONTACT TELEPHONE NUMBER.) | | | | * * * 1600 JANUARY 29, 1997, UPDATE BY TROCINE BASED UPON NEW INFORMATION | | RECEIVED DURING AN NRC CONFERENCE CALL * * * | | | | AT 1600 ON JANUARY 29, 1997, AN NRC CONFERENCE CALL WAS CONDUCTED TO | | DISCUSS THE STATUS OF THIS ISSUE. THE FOLLOWING INDIVIDUALS PARTICIPATED | | IN THE CONFERENCE CALL: AEOD IRD (F. CONGEL AND L. TROCINE); NMSS (L. | | CAMPER, P. HOLAHAN, J. PICCONE, AND J. SMITH); REGION 3 (R. CANIANO, M. | | MITCHELL, AND C. PEDERSON), REGION 3 AT ROCK ISLAND, ILLINOIS (J. CAMERON), | | REGION 2 (C. HOSEY), AND REGION 4 (R. BROWN AND C. HACKNEY). | | | | THIS ISSUE WAS DETERMINED TO BE REPORTABLE BY AN NRC REGION 3 INSPECTOR | | BASED UPON A REVIEW OF LICENSEE DOCUMENTATION. | | | | THE LICENSEE LEARNED THAT 12 MUZZLE REFERENCE SENSORS EACH CONTAINING 10 | | CURIES OF TRITIUM (120 CURIES) WERE MISSING ON DECEMBER 12, 1996. THE | | SENSORS WERE SHIPPED ON NOVEMBER 15, 1996, FROM THE SUPPLIER IN RICHARDSON, | | TEXAS (OPTEX) TO THE U.S. ARMY FACILITY IN FT. KNOX, KENTUCKY. THE TOTAL | | SHIPMENT INCLUDED 7 BOXES CONTAINING 12 MUZZLE REFERENCE SENSORS EACH AND 1 | | BOX CONTAINING 6 MUZZLE REFERENCE SENSORS FOR A TOTAL OF 90 MUZZLE | | REFERENCE SENSORS (900 CURIES OF TRITIUM). THE 8 BOXES WERE SPLIT UP | | BETWEEN 2 PALLETS, AND THE BOXES WERE BANDED TO THE PALLETS TO PREVENT LOSS | | OR MOVEMENT DURING TRANSPORT. THE CARRIER TRANSPORTED THE SHIPMENT ON | | NOVEMBER 15 THROUGH 18, 1996. ON NOVEMBER 18, 1996, THE RECEIVING CLERK AT | | FT. KNOX DOCUMENTED THE RECEIPT OF 2 PALLETS. THE MAINTENANCE MANAGER | | CONFIRMED THAT 8 BOXES WERE RECEIVED AND THAT THE BANDINGS WERE SECURE. | | THERE WAS NO EVIDENCE OF TAMPERING AT THAT TIME. ON NOVEMBER 25, 1996, THE | | PALLETS WERE MOVED TO ANOTHER AREA, AND IT WAS DISCOVERED THAT THE BANDS ON | | 1 PALLET WERE LOOSE AND THAT 1 BOX CONTAINING 12 MUZZLE REFERENCE SENSORS | | WAS MISSING. THE LICENSEE CONDUCTED A SEARCH FOR THE MISSING SENSORS. (THE | | SENSORS HAVE NOT YET BEEN FOUND.) THE ISSUE WAS REPORTED TO THE LOCAL (FT. | | KNOX) RADIATION PROTECTION OFFICER ON DECEMBER 10, 1996, AND THE LOCAL | | RADIATION PROTECTION OFFICER REPORTED THIS ISSUE TO THE U.S. ARMY FACILITY | | LOCATED IN ROCK ISLAND, ILLINOIS, ON THE SAME DAY. THE U.S. ARMY INITIATED | | A CRIMINAL INVESTIGATION NEAR THE MIDDLE OF DECEMBER 1996. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31682 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/29/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 14:56 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/29/97 | +------------------------------------------------+EVENT TIME: 14:35[EST]| |NRC NOTIFIED BY: MIKE GENTRY |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 +------------------------------------------------------------------------------+ | - TORNADO BARRIERS REMOVED FROM TWO RHR TRAINS AT THE SAME TIME - | | | | DURING A PREVIOUS DESIGN REVIEW, THE LICENSEE HAD DISCOVERED THAT SOME | | TORNADO BARRIERS HAD NOT BEEN INSTALLED IN UNIT 3. SPECIFICALLY, TORNADO | | STRAPPING HAD NOT BEEN INSTALLED ON MANHOLE COVERS THAT COVER RESIDUAL HEAT | | REMOVAL (RHR) ELECTRICAL CONDUIT. TO CORRECT THIS SITUATION, THE LICENSEE | | HAD INSTALLED CONCRETE BLOCKS ON TOP OF THE MANHOLE COVERS TO HOLD DOWN THE | | COVERS DURING A TORNADO. EACH CONCRETE BLOCK WEIGHS OVER ONE TON. | | | | AT 1435 ON 01/29/97, TECHNICIANS REMOVED THE CONCRETE BLOCKS FROM TWO | | MANHOLE COVERS IN ORDER TO LIFT THE MANHOLE COVERS, REMOVE THE OLD | | CAULKING, REINSTALL THE COVERS, AND RECAULK AROUND THE COVERS TO PREVENT | | WATER FROM LEAKING AROUND THE COVERS. | | | | AFTER THE BLOCKS WERE REMOVED FROM THE MANHOLE COVERS, THE TECHNICIANS | | DISCOVERED CLEARANCE TAGS ATTACHED TO THE LIFTING EYE HOLES OF THE BLOCKS. | | THE CLEARANCE TAGS CAUTIONED AGAINST REMOVING CONCRETE BLOCKS FROM TWO | | MANHOLES (TWO RHR TRAINS) AT THE SAME TIME. | | | | TECHNICIANS PLACED CONCRETE BLOCKS BACK ON TOP OF ONE OF THE MANHOLE COVERS | | TO RESTORE THE TORNADO BARRIER WITHIN THREE MINUTES. | | | | THE LICENSEE IS DETERMINING CORRECTIVE ACTIONS. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31683 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 01/29/97 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 15:59 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/29/97 | +------------------------------------------------+EVENT TIME: 14:15[CST]| |NRC NOTIFIED BY: MIKE STRACKA |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |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 Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - POTENTIAL WATER HAMMER TRANSIENT IN SERVICE WATER SYSTEM PER GL 96-06 - | | | | THE POTENTIAL WATER HAMMER TRANSIENT ISSUE WAS ADDRESSED AT ZION IN | | JANUARY, 1992. AT THAT TIME, THE LICENSEE CONCLUDED THAT LOADS ASSOCIATED | | WITH A LOCA/LOOP EVENT WERE WITHIN DESIGN LIMITS. | | | | ADDITIONAL ANALYSES WERE STARTED IN MID-1996 TO FURTHER EVALUATE THE | | POTENTIAL FOR WATER HAMMER IN THE SERVICE WATER SYSTEM SUPPLY AND RETURN | | PIPING FOR THE REACTOR CONTAINMENT FAN COOLERS INSIDE CONTAINMENT PER | | NRC GENERIC LETTER 96-06. | | | | PRELIMINARY RESULTS INDICATE THAT OPERABILITY OF SERVICE WATER SYSTEM | | PIPING CAN BE DEMONSTRATED (PRESSURE RETAINING BOUNDARY, STRUCTURAL | | STABILITY, AND REQUIRED FLOW AREA) BASED ON THE FACT THAT THE CALCULATED | | PIPE STRESSES ARE WITHIN OPERABILITY LIMITS PER NRC GENERIC LETTER 91-18. | | | | THE LICENSEE WILL PROVIDE THE DETAILS OF THE FINAL RESOLUTION TO GL 96-06 | | BY 05/31/97. | | | | THIS EVENT IS REPORTED TO THE NRC AS AN OUTSIDE DESIGN BASIS EVENT FOR | | UNIT 1 (100% POWER) AND A DEGRADED WHILE SHUTDOWN EVENT FOR UNIT 2 | | (COLD SHUTDOWN MODE). | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31684 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/29/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 17:38 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/29/97 | +------------------------------------------------+EVENT TIME: 17:08[EST]| |NRC NOTIFIED BY: MIKE GENTRY |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - INADEQUATE ELECTRICAL CALCULATIONS FOR CLASS-1E ELECTRICAL LOADS - | | | | THE LICENSEE HAS BEEN REVIEWING ELECTRICAL CALCULATIONS USED TO DETERMINE | | MINIMUM AND MAXIMUM VOLTAGES PERMISSIBLE AT THE TERMINALS OF ALL CLASS-1E | | ELECTRICAL LOADS. | | | | DURING THIS REVIEW, THE LICENSEE DISCOVERED THAT CALCULATIONS USED TO | | EVALUATE VOLTAGES IN THE 480-VAC AND 120-VAC SYSTEMS USED SOURCE VOLTAGES | | HIGHER THAN THOSE CALCULATED IN UPSTREAM CALCULATIONS USED TO ESTABLISH THE | | DEGRADED VOLTAGE RELAY SETTING BASIS. THESE CALCULATIONS DO NOT EVALUATE | | THE WORST-CASE MINIMUM VOLTAGES FOR ALL CLASS-1E ELECTRICAL LOADS AS | | REQUIRED BY THE LICENSING BASIS. | | | | THE MINIMUM VOLTAGE IS A COMMON MODE CONCERN AFFECTING THE LOSS OF SAFETY | | FUNCTION OF BOTH TRAINS OF SAFETY EQUIPMENT, AND THUS, THE EXISTING | | ANALYSIS IS INADEQUATE. | | | | THE LICENSEE IS CONTINUING TO REVIEW THIS SITUATION AND IS DETERMINING | | CORRECTIVE ACTIONS. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31685 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 01/29/97 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 17:51 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 01/29/97 | +------------------------------------------------+EVENT TIME: 17:30[EST]| |NRC NOTIFIED BY: RAYMOND ALEJANDRO |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - POTENTIAL CORE SPRAY SYSTEM OVERPRESSURE CONDITION PER NRC GL 96-06 - | | | | BASED UPON ENGINEERING EVALUATION OF PIPING SYSTEMS WITH REGARD TO NRC | | GENERIC LETTER 96-06, THE LICENSEE IDENTIFIED A POTENTIAL OVERPRESSURE | | CONDITION FOR PIPING SEGMENTS BETWEEN CORE SPRAY SYSTEM ISOLATION VALVES | | INSIDE CONTAINMENT. | | | | ALTHOUGH THE LICENSEE CONSIDERS THE ASSOCIATED PIPING PENETRATION OPERABLE | | DUE TO THE PIPE STRESSES REMAINING BELOW ASME B&PV CODE LEVEL 'D' ALLOWABLE | | STRESSES FOR THE POSTULATED EVENT (SMALL BREAK LOCA), LICENSEE ENGINEERING | | HAS NOT CONCLUDED QUANTITATIVELY AT THIS TIME, VIA CALCULATION, WHETHER | | STRESSES WOULD REMAIN BELOW UFSAR ALLOWABLE STRESSES (ASME B&PV CODE LEVEL | | 'B'). CONSEQUENTLY, THIS EVENT IS BEING REPORTED AS PLANT OPERATION | | OUTSIDE THE PLANT DESIGN BASIS. | | | | FROM A QUANTITATIVE STANDPOINT, THERE IS REASONABLE ASSURANCE THAT DETAILED | | LICENSEE ANALYSIS WILL CONCLUDE THAT UFSAR ALLOWABLE STRESSES WOULD NOT BE | | EXCEEDED. | | | | AT SUCH TIME, THE LICENSEE WILL RETRACT THIS EVENT NOTIFICATION OR, IF | | DETERMINED OTHERWISE, WILL SUBMIT TO THE NRC A SUPPLEMENT TO LER 96-13. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 31686 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: NUCLEAR PHARMACY, BOISE, IDAHO |NOTIFICATION DATE: 01/29/97 | | CITY: IDAHO FALLS REGION: 4 |NOTIFICATION TIME: 19:13 [ET]| | COUNTY: STATE: ID |EVENT DATE: 01/29/97 | |LICENSE#: AGREEMENT: N |EVENT TIME: 14:00[MST]| | DOCKET: |LAST UPDATE DATE: 01/29/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |IAN BARNES RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: NED GREGORIA | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NMAT MATL IN UNCNTRL AREA | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - I-131 RADIOPHARMACEUTICAL FOUND MISSING DURING TRANSPORT TO HOSPITAL - | | | | NED GREGORIA, NUCLEAR PHARMACY, IN BOISE, IDAHO, REPORTED THAT A PACKAGE | | CONTAINING 10 MILLICURIES OF IODINE-131 IN A SHIELDED LEAD PIG HAD BEEN | | SHIPPED BY COMMERCIAL AIRLINE (HORIZON AIR) TO THE IDAHO FALLS AIRPORT. THE | | PACKAGE WAS THEN TRANSPORTED BY TAXI FROM THE AIRPORT TO COLUMBIA EASTERN | | IDAHO MEDICAL CENTER IN IDAHO FALLS, IDAHO. UPON INSPECTING THE PACKAGE AT | | THE HOSPITAL, HOSPITAL PERSONNEL DISCOVERED THAT THE PACKAGE | | HAD BEEN BROKEN OPEN, AND THE RADIOPHARMACEUTICAL WAS MISSING. | | | | (SEE THE HOO LOG FOR TELEPHONE NUMBERS.) | | | | * * * UPDATE AT 2115 BY DEBRA BARLOW ENTERED BY JOLLIFFE * * * | | | | A HOSPITAL SUPERVISOR (DEBRA BARLOW) REPORTED THE FOLLOWING INFORMATION | | DURING A CONFERENCE CALL WITH THE FOLLOWING NRC PERSONNEL: REGION 4 (LINDA | | HOWELL AND ROSS SCARANO), NMSS EOs (DON COOL AND JOSEPHINE PICCONE), AEOD | | IRD (RICH BARRETT), AND HOO (DICK JOLLIFFE). | | | | HOSPITAL PERSONNEL (DEBRA BARLOW AND BETTY REGENOLD) WENT FROM THE HOSPITAL | | TO THE AIRPORT TO LOOK FOR THE MISSING RADIOPHARMACEUTICAL. THEY FOUND | | THE I-131 "PILLS" ON THE FLOOR IN THE CARGO AREA OF THE AIRPORT. THEY | | RETRIEVED THE PILLS, SURVEYED THE AREA, AND INTERVIEWED AND SURVEYED | | VARIOUS PEOPLE WHO HAD COME IN CONTACT WITH THE PILLS OR THE DAMAGED | | PACKAGE. | | | | MS. BARLOW PLANS TO SUBMIT ADDITIONAL DETAILS TO REGION 4 (LINDA HOWELL) ON | | 01/30/97. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31687 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/29/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 19:26 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/29/97 | +------------------------------------------------+EVENT TIME: 19:02[EST]| |NRC NOTIFIED BY: MIKE GENTRY |LAST UPDATE DATE: 01/29/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 +------------------------------------------------------------------------------+ | DISCOVERY OF AN INCORRECT OR INCOMPLETE DESIGN CALCULATION INVOLVING THE | | POST-ACCIDENT HYDROGEN RECOMBINERS AND INABILITY TO VERIFY THE INITIAL | | BASES | | | | THE HYDROGEN RECOMBINERS ARE CHAMBERS WITH INTERNAL HEATERS. BECAUSE OF | | THE WAY A HEATER RESPONDS TO DEGRADED VOLTAGE (SQUARED FUNCTION), THE | | LICENSEE CANNOT PROVE BY PRESENT AVAILABLE INFORMATION THAT THE HEATER WILL | | ACHIEVE ENOUGH HEAT TO IGNITE THE HYDROGEN IN THE RECOMBINER UNDER THE | | WORST CASE LOW VOLTAGE CONDITION. THE LICENSEE HAS BEEN UNABLE TO OBTAIN | | THE CALCULATIONS AND BASES IN A TIMELY MANNER BECAUSE ROCKWELL (THE COMPANY | | THAT PERFORMED THE INITIAL BASES) IS NO LONGER IN BUSINESS. AS A RESULT, | | THE LICENSEE PLANS TO RECREATE OR PAY ANOTHER COMPANY TO RECREATE THIS | | INFORMATION. THERE WERE NO ACTUATION OR INITIATION SIGNALS, AND THERE WAS | | NO EFFECT ON THE PLANT BECAUSE OF THE CURRENT MODE OF OPERATION (COLD | | SHUTDOWN). | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND THE APPLICABLE STATE | | AND LOCAL GOVERNMENT AGENCIES. | +------------------------------------------------------------------------------+