U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/15/98 - 04/16/98 ** EVENT NUMBERS ** 34073 34074 34075 34076 34077 34078 34079 34080 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34073 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VOGTLE REGION: 2 |NOTIFICATION DATE: 04/15/98 | |UNIT: [ ] [2] [ ] STATE: GA |NOTIFICATION TIME: 03:23 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/15/98 | +------------------------------------------------+EVENT TIME: 01:06[EDT]| |NRC NOTIFIED BY: MCCARY |LAST UPDATE DATE: 04/15/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LANDIS RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | UNEXPECTED ENGINEERED SAFETY FEATURE (ESF) ACTUATION | | | | DURING THE PERFORMANCE OF A TEMPORARY ENGINEERING PROCEDURE, NUCLEAR | | SERVICE COOLING WATER ISOLATION VALVES TO REACTOR CAVITY AND CONTAINMENT | | AUXILIARY COOLERS CLOSED. THIS CONSTITUTES AN ESF ACTUATION THAT WAS NOT | | PART OF THE PRE-PLANNED PROCEDURE. THE LICENSEE IS INVESTIGATING WHY THE | | ISOLATION VALVES CLOSED. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34074 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SIEMENS POWER CORPORATION |NOTIFICATION DATE: 04/15/98 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 11:50 [ET]| |COMMENTS: LEU CONVERSION (UF6 to UO2) |EVENT DATE: 04/15/98 | | FABRICATION & SCRAP RECOVERY |EVENT TIME: 08:18[PDT]| | COMMERICAL LWR FUEL |LAST UPDATE DATE: 04/15/98 | | CITY: RICHLAND REGION: 4 +-----------------------------+ | COUNTY: BENTON STATE: WA |PERSON ORGANIZATION| |LICENSE#: SNM-1227 AGREEMENT: Y |BLAINE MURRAY RDO | | DOCKET: 07001257 |DON COOL EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: JIM EDGAR |JANET QUISSELL RCT | |HQ OPS OFFICER: CHAUNCEY GOULD |P. GWYNN, L. HOWELL REG4 | +------------------------------------------------+BAGWELL FEMA | |EMERGENCY CLASS: ALERT | | |10 CFR SECTION: | | |KBDA 70.50(b)(4)(i) FIRE/EXP INVOLV LNM | | |NOCM COMM ASST BRIEF | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ALERT DECLARED DUE TO FIRE ONSITE GREATER THAN 10 MINUTES | | | | THE LICENSEE REPORTED A FIRE WHICH STARTED AT 0806PDT IN A WIRE BASKET | | CONTAINING RAGS AND PAPER TOWELS. THE LOCATION OF THE FIRE WAS THE UO2 | | WASTE HANDLING AREA OF THE HOT SHOP. OFFSITE FIRE ASSISTANCE AUTOMATICALLY | | RESPONDED TO THE ALARM. THE FIRE WAS EXTINGUISHED BY 0818PDT, BUT THEY DID | | HAVE SOME MINOR RE-IGNITIONS WHICH WERE BROUGHT UNDER CONTROL AND THE ALERT | | WAS TERMINATED AT 0833PDT WITH DAMAGE BEING MINIMAL. THERE WAS SOME LOW | | LEVEL RAD WASTE INVOLVED. IT IS UNKNOWN IF ANY WORKERS RECEIVED ANY TYPE | | OF INTAKE AS OF THE RESULT OF THE FIRE. THE LICENSEE NOTIFIED THE STATE | | AND OTHER AGENCIES AND MAY ISSUE A PRESS RELEASE. | | | | NOTIFIED DOE(DASILVA), DOT/EPA(FLETCHER), HHS(RABB) AND USDA BY FAX. | | | | * * * COMMISSIONERS' ASSISTANTS BRIEFING HELD 1700 4/15/1998 * * * | | | | BRIEFER: HOWELL (R4). PARTICIPANTS: STOLTZ (NRR/EAB); COOL, WEBER, GIITTER, | | ET AL (NMSS); GILLILAND (OPA); BANGART (OSP); THOMA (EDO); SMITH (CHMN | | JACKSON); LUBENAU (COMM DICUS); SHARKEY (COMM McGAFFIGAN); WENSLAWSKI, | | MURRAY (R4). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34075 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 04/15/98 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 12:20 [ET]| |RX TYPE: [3] CE |EVENT DATE: 04/15/98 | +------------------------------------------------+EVENT TIME: 08:21[CDT]| |NRC NOTIFIED BY: HERLOCKER |LAST UPDATE DATE: 04/15/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | INADVERTENT ESF ACTUATION WHILE LIFTING LEADS ON LOGIC RELAY | | | | WHEN LICENSEE PERSONNEL LIFTED A LEAD ON SAFETY INJECTION ACTUATION SYSTEM | | (SIAS) LOGIC RELAY K108 IN PREPARATION FOR PLANNED MAINTENANCE, RELAY K101 | | CHANGED STATE, CAUSING CONTAINMENT COOLING SYSTEM TRAIN "B" TO REALIGN TO | | ITS SAFETY INJECTION ACTUATION CONFIGURATION. THE LICENSEE STATED THAT | | THREE CONTAINMENT FAN COOLERS WERE OPERATING IN FAST SPEED AT THE TIME OF | | THE EVENT, IN ACCORDANCE WITH NORMAL OPERATING PROCEDURES. | | | | THE LICENSEE DISCOVERED THAT A NEUTRAL LEAD FOR RELAY K101 WAS JUMPERED | | THROUGH THE TERMINAL CONNECTION FOR RELAY K108. WHEN THE LEAD FOR RELAY | | K108 WAS LOOSENED, RELAY K101 WAS ALSO DEENERGIZED. THE LICENSEE RELANDED | | RELAY K108, AND CONTAINMENT COOLING SYSTEM TRAIN "B" WAS RESTORED TO ITS | | NORMAL OPERATING CONFIGURATION. THE NRC RESIDENT INSPECTOR HAS BEEN | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34076 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 04/15/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 12:21 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/15/98 | +------------------------------------------------+EVENT TIME: 08:55[EDT]| |NRC NOTIFIED BY: KELLY |LAST UPDATE DATE: 04/15/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN JACOBSON 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE IDENTIFIED A CONDITION WHICH COULD RENDER ONE OR BOTH TRAINS | | OF CONTAINMENT SPRAY SYSTEM INOPERABLE. | | | | THE SPRAY ADDITIVE TANK(SAT) PROVIDES SODIUM HYDROXIDE(NaOH) TO THE | | CONTAINMENT SPRAY(CTS) IN THE EVENT OF A LOCA. WHEN THE SAT LEVEL REACHES | | THE LOW-LOW LEVEL SETPOINT, THE SAT OUTLET SHUTOFF VALVES(PARALLEL | | ARRANGEMENT) AND EDUCTOR SHUTOFF VALVES AUTOMATICALLY CLOSE. A NITROGEN | | BLANKET IS PROVIDED TO THE SAT TO ASSIST IN MAINTAINING THE NaOH IN | | SOLUTION. | | | | A SINGLE FAILURE CAN BE POSTULATED SUCH THAT ONE SAT SHUTOFF VALVE AND ONE | | EDUCTOR SHUTOFF VALVE FAIL TO CLOSE ON THE LOW-LOW LEVEL SET POINT DUE TO A | | FAILURE OF A SINGLE TRAIN'S MOTOR CONTROL CENTER. IF THESE VALVES FAIL TO | | CLOSE, THERE IS A POTENTIAL TO DRAW DOWN THE SAT AND INTRODUCE NITROGEN | | INTO THE SUCTION PIPING OF THE CTS PUMPS, RENDERING ONE OR POSSIBLY BOTH | | TRAINS OF CTS INOPERABLE. SINCE THIS SYSTEM IS NOT NEEDED IN THE CURRENT | | MODE, THEY ARE PERFORMING FURTHER INVESTIGATIONS TO DETERMINE THE | | APPROPRIATE CORRECTIVE MEASURES TO TAKE. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34077 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT CALHOUN REGION: 4 |NOTIFICATION DATE: 04/15/98 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 13:55 [ET]| |RX TYPE: [1] CE |EVENT DATE: 04/15/98 | +------------------------------------------------+EVENT TIME: 12:32[CDT]| |NRC NOTIFIED BY: ERICK MATZKE |LAST UPDATE DATE: 04/15/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF INCORRECT INFORMATION PROVIDED BY INDIVIDUAL GRANTED TEMPORARY | | UNESCORTED ACCESS TO PROTECTED AREA. IMMEDIATE COMPENSATORY MEASURES TAKEN | | UPON DISCOVERY. REFER TO THE HOO LOG FOR ADDITIONAL DETAILS. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34078 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 04/15/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 18:25 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 04/14/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 18:30[CDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 04/15/98 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |JOHN JACOBSON RDO | | DOCKET: 0707001 |JOHN AUSTIN EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: TONY HUDSON | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01 24 HOUR REPORT | | | | A 6" DIAMETER x 4' LONG SECTION OF SUCTION PIPING WAS REMOVED FROM A SEAL | | EXHAUST PUMP IN THE C-337 BUILDING WITHOUT A NUCLEAR CRITICALITY SAFETY | | APPROVAL (NCSA). NUCLEAR CRITICALITY SAFETY PERSONNEL HAVE ESTABLISHED A | | TWO FOOT EXCLUSION AREA AROUND THIS PIPE. DURING THE REVIEW OF THIS EVENT, | | EIGHT ADDITIONAL INSTANCES OF SIMILAR CONCERN HAVE BEEN DISCOVERED. THE NRC | | RESIDENT INSPECTOR WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34079 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 04/16/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 00:36 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/15/98 | +------------------------------------------------+EVENT TIME: 21:40[EDT]| |NRC NOTIFIED BY: DONALD E. ROLAND |LAST UPDATE DATE: 04/16/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LARRY DOERFLEIN 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION (HPCI) TURBINE EXHAUST OUTBOARD VACUUM | | BREAKER ISOLATION VALVE CLOSED. | | | | DURING THE RESTORATION FROM A LOCAL LEAK RATE TEST ON AN INSTRUMENT | | PENETRATION OF THE PRIMARY CONTAINMENT THE HPCI TURBINE EXHAUST OUTBOARD | | VACUUM BREAKER ISOLATION VALVE CLOSED. NO VALID ISOLATION SIGNALS OCCURRED | | NOR WERE THERE ANY PLANT CONDITION WHICH WOULD HAVE REQUIRED A CONTAINMENT | | ISOLATION. HPCI WAS OUT OF SERVICE AND PRIMARY CONTAINMENT RELAXED AT THE | | TIME OF THE OCCURRENCE. THE UNIT IS CURRENTLY IN A REFUELING OUTAGE. THE | | CAUSE APPEARS TO BE THE FAILURE OF TECHNICIANS TO COMPLETELY DEPRESSURIZE | | THE TEST VOLUME PRIOR TO ITS RE-ALIGNMENT FOR ADDITIONAL TESTING. THE | | RE-ALIGNMENT OF THE PRESSURIZED VOLUME ACTUATED A PRESSURE SWITCH ON THE | | COMMON HEADER CAUSING THE ISOLATION OF THE VALVE. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34080 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 04/16/98 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 04:45 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 04/15/98 | +------------------------------------------------+EVENT TIME: 23:45[CDT]| |NRC NOTIFIED BY: MARSHALL FUNKHOUSER |LAST UPDATE DATE: 04/16/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN JACOBSON RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | ONE OF THE SUPPORT PINS THAT SUPPORTS THE NUCLEAR SAFETY PROTECTION SYSTEM | | (NSPS) BAY "C" POWER SUPPLY DRAWER WAS FOUND MISSING. | | | | THIS NOTIFICATION WAS MADE BASED ON A POWER SUPPLY SUPPORT PIN FOUND | | MISSING. A PIN WAS FOUND MISSING TO THE NSPS BAY "C" POWER SUPPLY DRAWER. | | THE INDIVIDUAL THAT REMOVED THE POWER SUPPLY DRAWER SAID THE PIN WAS NOT | | INSTALLED UPON ITS REMOVAL. IT IS NOT KNOWN HOW LONG THIS PIN HAS BEEN | | MISSING. | | | | THE PROPER OPERATION OF THE NSPS POWER SUPPLY DRAWER DURING A SEISMIC EVENT | | IS IN QUESTION. THERE IS NO PRESENT DATA KNOWN ON HOW THIS MISSING PIN | | WOULD IMPACT THIS TYPE OF EVENT, HOWEVER, THE RESIDUAL HEAT REMOVAL SYSTEM | | "B" AND "C", AND THE AUTOMATIC DEPRESSURIZATION SYSTEM LOGIC REQUIRE POWER | | TO INITIATE. THUS, THE ABILITY OF THESE SYSTEMS TO OPERATE DURING A SEISMIC | | EVENT IS IN QUESTION. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+