U.S. Nuclear Regulatory Commission Operations Center Event Reports For 12/22/94 - 12/23/94 ** EVENT NUMBERS ** 28176 28177 28178 28179 28180 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28176 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 12/22/94 | |UNIT: [ ] [2] [ ] STATE: NC |NOTIFICATION TIME: 01:23 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 12/22/94 | +------------------------------------------------+EVENT TIME: 00:55[EST]| |NRC NOTIFIED BY: PAUL SHILLINGLAW |LAST UPDATE DATE: 12/22/94 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |M SHYMLOCK RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |STEVE VARGA EO | | |RALPH HERSKO FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE ENTERED THEIR EMERGENCY PLAN WHEN AN INJURED CONTAMINATED PERSON | | WAS TRANSPORTED OFF SITE VIA A LOCAL AMBULANCE. | | | | A LICENSEE EMPLOYEE FELL APPROXIMATELY 8 FEET FROM A LADDER INSIDE | | CONTAINMENT DURING CLEANING OPERATIONS. THE EMPLOYEE SUSTAINED INJURIES TO | | HIS HEAD, NECK, AND SHOULDERS. THE EMPLOYEE WAS WEARING ANTI-Cs WHEN HE | | FELL FROM THE LADDER. A LOCAL AMBULANCE WAS USED IN TRANSPORTING THE | | INDIVIDUAL TO AN OFFSITE HOSPITAL. THE INJURED PERSON WAS NOT | | DECONTAMINATED AND HIS ANTI-Cs WERE NOT REMOVED DUE TO UNCERTAINTY | | REGARDING THE SERIOUSNESS OF HIS INJURIES. A HEALTH PHYSICIST ACCOMPANIED | | THE INJURED INDIVIDUAL TO THE HOSPITAL TO INSURE THAT CONTAMINATION FROM | | THE INJURED PERSON WAS NOT SPREAD. THE LICENSEE BELIEVES THAT INJURIES | | SUSTAINED BY THE INJURED PERSON WERE NOT LIFE THREATENING. LICENSEE | | NOTIFIED STATE AND LOCAL OFFICIALS. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | | | | ***UPDATE @ 0254ET 12/23/94 BY SHILLINGLAW TAKEN BY MACKINNON*** | | | | UNUSUAL EVENT TERMINATED AT 0225ET WHEN INJURED INDIVIDUAL ARRIVED AT THE | | HOSPITAL WITHOUT SPREADING ANY CONTAMINATION. STATE AND LOCAL OFFICIALS | | NOTIFIED BY LICENSEE. R2DO (MILT SHYMLOCK), EO (STEVE VARGA), & FEMA | | (STINEDUF) NOTIFIED | | | | RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28177 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 12/22/94 | |UNIT: [1] [2] [ ] STATE: TN |NOTIFICATION TIME: 15:24 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 12/22/94 | +------------------------------------------------+EVENT TIME: 14:10[EST]| |NRC NOTIFIED BY: JEFF EPPERSON |LAST UPDATE DATE: 12/22/94 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MILTON SHYMLOCK RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | AN AUXILIARY BUILDING ISOLATION OCCURRED DUE TO THE PRESENCE OF A HOT | | PARTICLE IN A VACUUM HOSE. | | | | "AT 1410 EST ON 22 DEC 94, A "B" TRAIN AUXILIARY BUILDING ISOLATION (ABI) | | OCCURRED AS THE RESULT OF THE HIGH RADIATION SETPOINT BEING REACHED BY | | RADIATION MONITOR "0-RM-90-103". THE ACTUATION SIGNAL WAS GENERATED WHEN | | THE RADIATION MONITOR WAS EXPOSED TO A HOT PARTICLE ON A VACUUM HOSE WHICH | | WAS BEING WITHDRAWN FROM THE SPENT FUEL PIT. THE VACUUM HOSE WAS BEING USED | | TO SUPPORT SEQUOYAH'S SPENT FUEL STORAGE RACK REPLACEMENT PROJECT. THE HIGH | | RADIATION SIGNAL WAS PROMPTLY CLEARED BY REMOVING THE HOT PARTICLE FROM THE | | PROXIMITY OF THE SPENT FUEL PIT RADIATION MONITOR. OPERATIONS IS CURRENTLY | | RESTORING THE VENTILATION SYSTEM TO ITS NORMAL ALIGNMENT." | | | | THE HIGHEST RAD LEVEL RECORDED WAS APPROXIMATELY 70 mR/Hr. THE MONITOR HIGH | | RADIATION SETPOINT IS 50 mR/Hr. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28178 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 12/22/94 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 16:18 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 11/14/94 | +------------------------------------------------+EVENT TIME: 09:15[EST]| |NRC NOTIFIED BY: RICHARD SWEENEY |LAST UPDATE DATE: 12/22/94 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MILTON SHYMLOCK 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTROL ROOM DOSE ANALYSIS INVALIDATED DUE TO LOSS OF CONTROL COMPLEX | | HABITABILITY DURING ROOF REPLACEMENT. | | | | "A DOOR TO THE CONTROL COMPLEX HABITABILITY ENVELOPE WAS BLOCKED OPEN WHICH | | INVALIDATED THE CONTROL ROOM DOSE ANALYSIS AND PLACED THE PLANT OUTSIDE ITS | | DESIGN BASIS. FURTHER INVESTIGATION DETERMINED THE ONE HOUR REPORTABILITY. | | THE REPORTABILITY DETERMINATION WAS MADE AT 1550EST ON 12/22/94." | | | | THE DOOR HAD BEEN BLOCKED OPEN TO ALLOW ACCESS DURING ROOF REPLACEMENT. THE | | PERIOD OF TIME THAT THIS CONDITION EXISTED WAS NOT KNOWN AT THE TIME OF THE | | REPORT. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28179 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 12/22/94 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 16:22 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 12/22/94 | +------------------------------------------------+EVENT TIME: 16:10[EST]| |NRC NOTIFIED BY: JOHN RESETAR |LAST UPDATE DATE: 12/22/94 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HISTORICAL REPORT OF INADEQUATE CLASS "1E" POWER SUPPLIES DOCUMENTATION. | | | | "POWER SUPPLIES THAT HAD BEEN INSTALLED IN ESFAS CABINETS WERE FOUND TO BE | | LACKING DOCUMENTATION FOR CLASS "1E" QUALIFICATION. POWER SUPPLIES ARE NO | | LONGER IN USE." | | | | TWENTY-TWO (22) POWER SUPPLIES PURCHASED IN 1986 AND INSTALLED BETWEEN 1987 | | AND 1988 IN FOUR (4) SENSOR AND TWO (2) ESFAS ACTUATION CABINETS DID NOT | | HAVE ADEQUATE DOCUMENTATION FOR "1E" QUALIFICATION. ALL THE POWER SUPPLIES | | WERE REMOVED AND REPLACED ABOUT ONE (1) MONTH AGO. THIS WAS DISCOVERED | | DURING A QC REVIEW OF SPARE POWER SUPPLIES. THE LICENSEE INFORMED STATE AND | | LOCAL AGENCIES AND THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28180 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 12/22/94 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 16:39 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 12/22/94 | +------------------------------------------------+EVENT TIME: 15:41[EST]| |NRC NOTIFIED BY: BRIAN NESS |LAST UPDATE DATE: 12/22/94 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 Y 91 POWER OPERATION | 91 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE DISCOVERED SECONDARY CONTAINMENT LEAKAGE PATH THROUGH FLOOR | | DRAINS. | | | | "THREE TURBINE BUILDING FLOOR DRAINS THAT TIE INTO A REACTOR BUILDING FLOOR | | DRAIN HEADER HAVE LOOP SEALS THAT WERE DRY. THIS RESULTED IN AN UNANALYZED | | LEAKAGE PATH FROM THE SECONDARY CONTAINMENT. PER TECH SPEC 3.4.1, A 4 HR | | LCO WAS ENTERED AND A WORK ORDER WAS GENERATED TO REFILL THE LOOP SEALS AND | | VERIFY NO LEAKAGE." | | | | "THIS CONDITION WAS DISCOVERED AS A RESULT OF CORRECTIVE ACTION TO LER | | 94-06 WHICH COVERED A PREVIOUS SIMILAR INCIDENT. THE CORRECTIVE ACTION | | INCLUDED AN ENGINEERING REVIEW OF DRAWINGS OF REACTOR BUILDING DRAINS TO | | ASSURE THAT THERE ARE NO SIMILAR SECONDARY CONTAINMENT LEAKAGE PATHS." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+