U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/23/98 - 06/24/98 ** EVENT NUMBERS ** 34427 34428 34429 34430 34431 34432 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34427 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 06/23/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 10:19 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/23/98 | +------------------------------------------------+EVENT TIME: 08:07[EDT]| |NRC NOTIFIED BY: MARK KELLY |LAST UPDATE DATE: 06/23/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | |CCCC 21.21 UNSPECIFIED PARAGRAPH |VERN HODGE NRR | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | ICE CONDENSER BASKETS FOUND IN UNANALYZED CONDITION | | | | THE LICENSEE DISCOVERED, DURING AN INSPECTION OF UNIT ONE ICE CONDENSER, | | MISSING AND OR DEFECTIVE WELDS ON THE BOTTOM CROSSBAR AND BOTTOM BASKET | | GRIDS OF THE ICE CONDENSER BASKETS. THE LICENSEE EXPECTS TO FIND SIMILAR | | CONDITIONS IN THE UNIT TWO ICE CONDENSER. THIS CONDITION IS UNANALYZED AND | | AN INVESTIGATION WILL CONTINUE INTO THE CAUSE OF THESE CONDITIONS. THE | | CONDITION IS BEING REVIEWED FOR REPORTABILITY UNDER 10CFR PART 21. | | | | THE DEFECTIVE ICE BASKET BOTTOM RIMS WILL BE REPAIRED OR REPLACED AS | | APPROPRIATE BEFORE ENTERING PLANT STARTUP. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 34428 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: NEW YORK CITY BUREAU OF RAD HEALTH |NOTIFICATION DATE: 06/23/98 | | CITY: BRONX REGION: 1 |NOTIFICATION TIME: 10:56 [ET]| | COUNTY: BRONX STATE: NY |EVENT DATE: 06/22/98 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 23:00[EDT]| | DOCKET: |LAST UPDATE DATE: 06/23/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JIM TRAPP RDO | | |DON COOL EO | +------------------------------------------------+ROBERTA WARREN, NMSS IAT | |NRC NOTIFIED BY: RICHARD BORRI |ROBERT SKELTON, NRR IAT | |HQ OPS OFFICER: FANGIE JONES |STU RUBIN IAD | +------------------------------------------------+WILLIAM BEECHER PAO | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NAGR AGREEMENT STATE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF RADIOACTIVE MATERIALS IN PRIVATE RESIDENCE | | | | NEW YORK CITY POLICE, DURING AN INVESTIGATION OF A BURGLARY, DISCOVERED | | RADIOACTIVE MATERIALS TOGETHER WITH EXPLOSIVES AND WRITTEN MATERIAL IN A | | PRIVATE RESIDENCE. NEW YORK CITY BUREAU OF RADIOLOGICAL HEALTH IS | | INVENTORYING THE MATERIALS, WHICH INCLUDE AT LEAST 80 MICROCURIES OF | | STRONTIUM-90. SOME OF THE RADIOACTIVE MATERIALS MAY HAVE COME FROM NUCLEAR | | RESEARCH CORPORATION OF DOVER, NEW JERSEY. NEW YORK CITY WILL BE | | CONTACTING NRC REGION 1 WITH THE RESULTS OF THE INVENTORY. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34429 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 06/23/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 11:44 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 06/22/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 13:15[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 06/23/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |MIKE JORDAN RDO | | DOCKET: 0707002 |FRED COMBS, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: RICK LARSON | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SOLUTION FOUND IN THE SUCTION HOSE OF A SAFE VACUUM CLEANER | | | | NRC BULLETIN 91-01 24 HOUR NOTIFICATION | | | | ON JUNE 22, 1998 AT 1315 HOURS DURING A CYLINDER HYDROSTATIC TEST | | OPERATION, MAINTENANCE PERSONNEL DISCOVERED A LIQUID SOLUTION IN THE | | SUCTION HOSE AND AROUND THE OPENING OF THE SMALL DIAMETER COLLECTION | | CONTAINER OF THE 5" ALWAYS SAFE VACUUM CLEANER. THIS VIOLATES REQUIREMENT # | | 5 OF NCSA PLANT-012.A01 WHICH STATES IN PART "THE VACUUM CLEANER SHALL NOT | | BE USED TO CLEAN UP SOLUTIONS, OR ANY DAMP OR OILY MATERIALS" AND | | CONSTITUTES THE LOSS OF CONTROL "B" (MODERATION) IN THE DOUBLE CONTINGENCY | | MATRIX FOR CONTINGENCY EVENT B.7.a | | | | CONTROL "A" (INTERACTION) WAS MAINTAINED THROUGHOUT THIS EVENT. CONTROL | | "B" WAS REESTABLISHED AT 1400 HOURS UNDER THE DIRECTION OF NCS PERSONNEL. | | THERE WAS NO LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL OR | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURE AS A RESULT OF THIS EVENT. | | | | CORRECTIVE ACTIONS TO RESTORE SAFETY AND WHEN EACH WAS IMPLEMENTED: | | | | THE ACCUMULATION CONTAINER (A SMALL DIAMETER CONTAINER) WAS EMPTIED AT 1400 | | HOURS ON 06/22/98 AND THE VACUUM CLEANER WAS TAGGED OUT OF SERVICE UNTIL | | VERIFIED TO BE FREE OF ANY ADDITIONAL LIQUIDS. | | | | | | THE NRC RESIDENT INSPECTOR AND THE ONSITE DEPARTMENT OF ENERGY | | REPRESENTATIVE WERE NOTIFIED OF THIS EVENT BY PORTSMOUTH. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34430 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 06/23/98 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 15:28 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 06/23/98 | +------------------------------------------------+EVENT TIME: 13:32[EDT]| |NRC NOTIFIED BY: G KILBY |LAST UPDATE DATE: 06/23/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP 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 +------------------------------------------------------------------------------+ | INADVERTENT MAIN STEAM ISOLATION ACTUATION | | | | AN INADVERTENT MAIN STEAM ISOLATION ACTUATION OCCURRED DURING PERFORMANCE | | OF THE 18 MONTH ACCUMULATOR ISOLATION VALVE SURVEILLANCE TEST (TECHNICAL | | SPECIFICATION 4.5.1.1.d.1). THE ACTUATION RESULTED FROM A HIGH MAIN STEAM | | PRESSURE RATE SIGNAL. THE SURVEILLANCE TEST INSTALLS JUMPERS TO SIMULATE A | | 600 PSI MAIN STEAM PRESSURE. AT THE CONCLUSION OF THE TEST, REMOVAL OF THE | | JUMPERS CAUSES THE MAIN STEAM PRESSURE SIGNAL TO CHANGE FROM 600 PSI TO | | ZERO PSI. UPON REMOVAL OF THE JUMPERS FROM 2 OF 3 STEAM PRESSURE CHANNELS | | ON A STEAM GENERATOR, THE PROTECTION SYSTEM SENSED A HIGH NEGATIVE STEAM | | PRESSURE RATE, AND GENERATED A MAIN STEAM ISOLATION SIGNAL. TWO MAIN STEAM | | UPSTREAM DRAIN VALVES CLOSED IN RESPONSE TO THE ISOLATION SIGNAL; THE MAIN | | STEAM ISOLATION VALVES AND BYPASS VALVES WERE CLOSED PRIOR TO THE ACTUATION | | SIGNAL. THE LICENSEE IS PRESENTLY REVIEWING THE CAUSE OF THE ACTUATION. | | THE LICENSEE SAID THAT THEY HAVE USED THIS PROCEDURE IN THE PAST BUT THE | | LICENSEE WAS UNSURE IF CHANGES HAD BEEN MADE TO THE SURVEILLANCE TEST | | PROCEDURE. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34431 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 06/23/98 | |UNIT: [1] [2] [ ] STATE: MD |NOTIFICATION TIME: 16:22 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 06/23/98 | +------------------------------------------------+EVENT TIME: 16:10[EDT]| |NRC NOTIFIED BY: UMPHREY |LAST UPDATE DATE: 06/23/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM TRAPP RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION MADE TO THE STATE OF MARYLAND DEPARTMENT OF | | ENVIRONMENT. | | | | TODAY THE LICENSEE LEARNED THAT THE FECAL COLIFORM AT THE SEWAGE TREATMENT | | PLANT WAS OUT OF SPECIFICATION FROM A SAMPLE TAKEN ON 06/15/98. SINCE THE | | LICENSEE HAD EXCEEDED THEIR NPDES DISCHARGE PERMIT LIMIT THEY NOTIFIED THE | | STATE OF MARYLAND DEPARTMENT OF ENVIRONMENT OF THIS INCIDENT. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34432 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 06/23/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 17:27 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/23/98 | +------------------------------------------------+EVENT TIME: 15:30[EDT]| |NRC NOTIFIED BY: M KELLY |LAST UPDATE DATE: 06/23/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |M JORDAN 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 +------------------------------------------------------------------------------+ | HYDRAULIC ANALYSIS OF THE CONTAINMENT UPPER SPRAY FLOW RATES ARE BELOW THE | | UFSAR DESIGN BASIS FLOW RATE VALUES. | | | | THE UFSAR DESIGN BASIS FLOW VALUES FOR THE UPPER AND LOWER CONTAINMENT | | SPRAYS ARE 2000 AND 1200 GPM, RESPECTIVELY. EXISTING CALCULATIONS (e.g., | | THOSE USED TO SUPPORT THE UNIT 1 30% STEAM GENERATOR TUBE PLUGGING | | ANALYSIS) INDICATE CONTAINMENT SPRAY FLOW RATES OF 2136 AND 1230 GPM. | | | | A HYDRAULIC ANALYSIS USING PROTO-FLO SOFTWARE WAS PERFORMED FOR THE | | RECIRCULATION PHASE (THE INJECTION PHASE WILL ALSO BE ANALYZED) CONTAINMENT | | SPRAY WHICH RESULTED IN THE FOLLOWING FLOW RATES: | | | | WEST TRAIN EAST TRAIN | | | | 100% FLOWS UPPER SPRAY 1920 GPM UPPER SPRAY 1912 GPM | | LOWER SPRAY 1368 GPM LOWER SPRAY 1367 GPM | | | | 10% DEGRADED PUMP UPPER SPRAY 1793 GPM UPPER SPRAY 1786 GPM | | LOWER SPRAY 1319 GPM LOWER SPRAY 1318 GPM | | | | THESE UNVERIFIED UPPER SPRAY FLOWS ARE BELOW THE UFSAR ASSUMED FLOW RATES | | OF 2000 GPM. THE NET EFFECT OF CHANGED FLOW RATES HAS NOT YET BEEN | | EVALUATED. | | | | CORRECTIVE ACTION: | | | | THE INVESTIGATION OF THIS CONDITION IS ONGOING. APPROPRIATE CORRECTIVE | | ACTIONS WILL BE TAKEN AFTER THE ANALYSIS RESULTS ARE VERIFIED. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THE EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+