U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/30/98 - 05/01/98 ** EVENT NUMBERS ** 34040 34073 34153 34154 34155 34156 34157 34158 34159 34160 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34040 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 04/09/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 07:12 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/09/98 | +------------------------------------------------+EVENT TIME: 03:51[EDT]| |NRC NOTIFIED BY: WALSH |LAST UPDATE DATE: 04/30/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GLENN MEYER 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 95 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A START OF THE "D" RHR PUMP. | | | | UNIT 1 RECEIVED THE ADS DIV II RHR - CORE SPRAY LOOP "B" OPERATING | | PERMISSIVE ALARM AND BOTH UNITS RECEIVED THE VITAL UPS TROUBLE ALARMS. | | A WALKDOWN OF THE CONTROL PANELS IDENTIFIED THAT THE UNIT 1 "D" RHR PUMP | | WAS RUNNING ON MIN-FLOW WITH THE INJECTION VALVE CLOSED. PLANT PARAMETERS | | WERE CHECKED AND NO RHR INITIATION SIGNALS WERE PRESENT. THE ALARMS WHICH | | WERE RECEIVED WERE CONSISTENT WITH AN RHR PUMP START. NO OTHER CONTROL | | ROOM ALARMS WERE RECEIVED DURING THAT TIME PERIOD. AN INVESTIGATION INTO | | THE CAUSE OF THE START OF THE PUMP IS ONGOING. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | | | | * * * UPDATE AT 1523 ON 04/30/98 BY WALSH TO GOULD * * * | | | | THE LICENSEE EVALUATED THIS EVENT AND DETERMINED THAT NO LPCI INITIATION | | LOGIC WAS ACTUATED NOR WAS THERE COMPLETION OF A LPCI SYSTEM FUNCTION. | | THE MOST LIKELY CAUSE FOR THIS SPURIOUS PUMP START HAS BEEN DETERMINED TO | | BE THE RESULT OF ONGOING WORK IN AN ADJACENT CUBICLE OF THE "D" ESS BUS. | | NO OTHER LPCI COMPONENT STARTED OR REALIGNED. THEREFORE, THE INADVERTANT | | START OF THE UNIT 1 "D" RHR PUMP IS NOT AN ESF ACTUATION AND THIS EVENT | | IS NOT REPORTABLE TO THE NRC AND THUS, THIS EVENT REPORT IS RETRACTED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | OFFICER NOTIFIED THE R1DO (NIEL DELLA GRECA). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |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: 04/30/98 | |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 PREPLANNED PROCEDURE. THE LICENSEE IS INVESTIGATING WHY THE | | ISOLATION VALVES CLOSED. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | * * * UPDATE AT 1323 EDT ON 04/28/98 FROM JAMES ROBINSON TO S. SANDIN * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT BASED ON THE FOLLOWING REASONS: | | | | 1. THE ESF ACTUATION WAS INVALID BECAUSE THE VALVES ACTUATED DUE TO AN | | ERROR IN THE PLACING OF A JUMPER IN THE SEQUENCER CIRCUITRY, AND | | | | 2a. THE AFW SYSTEM HAD BEEN PREVIOUSLY REMOVED FROM SERVICE, ALSO | | | | 2b. THE SAFETY FUNCTION OF THE AFW SYSTEM (REMOVING HEAT FROM THE STEAM | | GENERATORS) WAS ALREADY COMPLETED IN THIS MODE (COLD SHUTDOWN). | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE NRC OPERATIONS OFFICER NOTIFIED THE R2DO (PIERCE SKINNER). | | | | * * * UPDATE AT 1623 ON 04/30/98 BY ROBINSON TO GOULD * * * | | | | THE LICENSEE IS REVISING THE ABOVE #1 REASON FOR THE RETRACTION AS FOLLOWS: | | | | 1. THE ACTUATION WAS INVALID BECAUSE THE ESF SIGNAL WAS INITIATED PER THE | | SYSTEM DESIGN, AS PART OF A PREPLANNED TEST AND NOT DUE TO A VALID LOSS | | OF OFFSITE POWER CONDITION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE NRC OPERATIONS OFFICER NOTIFIED THE R2DO (AL BELISLE). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34153 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT CALHOUN REGION: 4 |NOTIFICATION DATE: 04/30/98 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 10:32 [ET]| |RX TYPE: [1] CE |EVENT DATE: 04/30/98 | +------------------------------------------------+EVENT TIME: 08:40[CDT]| |NRC NOTIFIED BY: LARRY LEES |LAST UPDATE DATE: 04/30/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | |FEMA, DOE, USDA FAX | | |HHS, EPA, DOT (NRC) FAX | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - OIL AND GREASE DISCHARGE TO THE MISSOURI RIVER EXCEEDS NPDES LIMIT - | | | | AT 0840 CDT ON 04/30/98, THE LICENSEE WAS NOTIFIED BY THEIR OFFSITE TESTING | | LAB THAT A SAMPLE OF THE PLANT CIRCULATING WATER DISCHARGE/OUTFALL TO THE | | MISSOURI RIVER CONTAINED 17.1 MILLIGRAMS PER LITER OF OIL AND GREASE. THE | | PLANT NPDES DISCHARGE LIMIT IS 10.0 MILLIGRAMS PER LITER. THE LICENSEE IS | | SENDING BACKUP SAMPLES TO THE OFFSITE LAB FOR ANALYSIS AND IS INVESTIGATING | | THE SOURCE OF THE OIL AND GREASE. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND WILL BE NOTIFYING | | STATE OF NEBRASKA OFFICIALS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34154 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 04/30/98 | |UNIT: [ ] [2] [ ] STATE: NY |NOTIFICATION TIME: 10:44 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 04/30/98 | +------------------------------------------------+EVENT TIME: 07:25[EDT]| |NRC NOTIFIED BY: DONALD NEWMAN |LAST UPDATE DATE: 04/30/98 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 92 POWER OPERATION | 92 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PLANNED PRESS RELEASE DUE TO A FATALITY ONSITE. | | | | "AT 0725 EDT TODAY, THE CONTROL ROOM WAS NOTIFIED OF AN APPARENT CARDIAC | | ARREST IN PROGRESS AND RESPONDED PER APPLICABLE EMERGENCY PROCEDURES. THE | | MEDICAL EMERGENCY WAS TERMINATED WHEN THE AMBULANCE DEPARTED THE SITE WITH | | THE INDIVIDUAL. AT 0900 EDT THE CONTROL ROOM WAS NOTIFIED THAT THE | | INDIVIDUAL WAS PRONOUNCED DEAD UPON ARRIVAL AT THE HOSPITAL. THE | | INDIVIDUAL WAS NOT IN A RADIOLOGICALLY CONTROLLED AREA AND WAS PERFORMING | | OFFICE RELATED WORK AT THE TIME OF THE EVENT. THIS NOTIFICATION IS BEING | | MADE TO THE NRC BECAUSE OF A FATALITY ONSITE AND A PLANNED PRESS RELEASE." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34155 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 04/30/98 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 15:39 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 04/29/98 | +------------------------------------------------+EVENT TIME: 10:30[EDT]| |NRC NOTIFIED BY: KOCSIS |LAST UPDATE DATE: 04/30/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |NIEL DELLA GRECA RDO | |CCCC 21.21 UNSPECIFIED PARAGRAPH | | | |VERN HODGE NRR | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | PART 21 REPORT ON FAILURE OF 480 VAC BREAKER DUE TO LACK OF LUBRICATION. | | | | AN ENGINEERING EVALUATION CONCLUDED THE WESTINGHOUSE TYPE DS-416 CIRCUIT | | BREAKER FAILED TO OPEN ON DEMAND BECAUSE LUBRICATION AT KEY PIVOT POINTS | | IN THE BREAKER MECHANISM WAS MISSING. THE LACK OF PROPER LUBRICATION WAS | | DETERMINED TO BE THE RESULT OF A BREAKER OVERHAUL PERFORMED BY POWER | | DISTRIBUTION TECHNOLOGY (PDT) WHICH REMOVED THE LUBRICANTS AND FAILED TO | | REAPPLY THEM. PDT HAD OVERHAULED THE FAILED BREAKER AND THREE OTHER TYPE | | DS-416 BREAKERS IN 1994 IN ACCORDANCE WITH THE LICENSEE'S PURCHASE ORDER | | WHICH CONTAINED SPECIFIC REQUIREMENTS RELATED TO LUBRICATION. THE LACK OF | | LUBRICATION ON THE BREAKERS OVERHAULED BY PDT, WHICH IS NO LONGER IN | | BUSINESS, COULD HAVE PREVENTED A BREAKER FROM PERFORMING ITS SAFETY | | FUNCTION, RESULTING IN A SUBSTANTIAL SAFETY HAZARD. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34156 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WESTINGHOUSE ELECTRIC CORPORATION |NOTIFICATION DATE: 04/30/98 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 15:47 [ET]| |COMMENTS: LEU CONVERSION (UF6 to UO2) |EVENT DATE: 04/29/98 | | COMMERCIAL LWR FUEL |EVENT TIME: 16:00[EDT]| | |LAST UPDATE DATE: 04/30/98 | | CITY: COLUMBIA REGION: 2 +-----------------------------+ | COUNTY: RICHLAND STATE: SC |PERSON ORGANIZATION| |LICENSE#: SNM-1107 AGREEMENT: Y |AL BELISLE RDO | | DOCKET: 07001151 |FREDERICK COMBS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: KENT | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01, 24 HOUR REPORT. | | | | THE LICENSEE DISCOVERED A PAST DEFICIENT NUCLEAR CRITICALITY SAFETY (NCS) | | ANALYSIS FOR THE AMMONIA SYSTEM SCRUBBER (#S-1008). THE PERIOD OF TIME FOR | | WHICH THE DEFICIENCY EXISTED WAS FROM 05/08/97 TO 03/31/98. DURING THAT | | TIME PERIOD, ACCORDING TO THE SCRUBBER ANALYSIS, DOUBLE CONTINGENCY | | PROTECTION COULD NOT BE DEMONSTRATED. ON 03/31/98, THE DEFICIENT ANALYSIS | | WAS SUPERSEDED WITH AN INTEGRATED SAFETY ANALYSIS FOR THE SCRUBBER, WHICH | | INCLUDED AN NCS ANALYSIS WHICH DEMONSTRATED DOUBLE CONTINGENCY PROTECTION. | | ON 04/29/98, THE SUPERSEDED ANALYSIS WAS RECOGNIZED TO BE DEFICIENT. | | | | THE AMMONIA SCRUBBER IS A LOW SAFETY SIGNIFICANT RISK SYSTEM WHICH DOES | | NOT HANDLE PRODUCTION QUANTITIES OF SNM. IT REMOVES AMMONIA AND OTHER | | PARTICULATES FROM THE VENTILATION STREAM FOR SEVERAL HOODS AND ENCLOSURES | | AND THERE IS NO CREDIBLE MECHANISM TO PRODUCE A RAPID INCREASE IN | | CONCENTRATION. | | | | THE ANALYSIS IN QUESTION WAS COMPLETED IN 1991 WHEN SEVERAL CONTROL | | FUNCTIONS WERE ESTABLISHED TO PROVIDE DOUBLE CONTINGENCY PROTECTION FOR | | THE SCRUBBER, USING MASS CONTROL (8 CONTROL FUNCTIONS) AND GEOMETRY CONTROL | | (5 CONTROL FUNCTIONS). IN 1994, THE SCRUBBER CONFIGURATION WAS MODIFIED, | | THE ANALYSIS WAS REVIEWED AND NO CHANGES WERE MADE TO THE CONTROLS IN | | PLACE. | | | | IN MAY 1997, TWO OF THE MASS CONTROL FUNCTIONS (ADMINISTRATIVE CONTROLS) | | WERE REMOVED. THE NCS FUNCTION APPROVED THE PROCEDURAL CHANGE, BUT DID NOT | | UPDATE THE ANALYSIS ACCORDINGLY. THE REMOVAL OF THESE CONTROLS WAS | | DISCOVERED ON 04/29/98. | | | | IN JUNE 1997, ONE GEOMETRY CONTROL FUNCTION WAS INADVERTENTLY REMOVED. THIS | | LOSS OF GEOMETRY CONTROL WAS DISCOVERED IN JANUARY 1998 AND WAS IMMEDIATELY | | REESTABLISHED. | | | | THE DEFICIENT ANALYSIS WAS SUPERSEDED ON 03/31/98. THE SCRUBBER SYSTEM IS | | OPERATING IN A SAFE AND COMPLIANT MANNER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34157 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 04/30/98 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 16:51 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 04/30/98 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: LECUYER |LAST UPDATE DATE: 04/30/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |NIEL DELLA GRECA RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | INCORRECT ASSUMPTIONS WERE USED FOR YARWAY LEVEL INSTRUMENT CALIBRATIONS. | | | | THE LICENSEE RECENTLY COMPLETED AN ANALYSIS EVALUATING THE METHODOLOGIES | | USED TO CALIBRATE THE YARWAY LEVEL INSTRUMENTS. THE ANALYSIS REVEALED | | THAT THE ASSUMPTIONS USED TO CALIBRATE THE YARWAY LEVEL INSTRUMENTS CAUSED | | THESE INSTRUMENTS TO PROVIDE AN INDICATED REACTOR VESSEL WATER LEVEL WHICH | | WAS HIGHER THAN THE ACTUAL REACTOR VESSEL WATER LEVEL BY APPROXIMATELY | | 7 INCHES. DUE TO THIS ANALYSIS, MANY OF THE SAFETY SYSTEMS ASSOCIATED | | WITH THE YARWAY LEVEL INSTRUMENTS (e.g. CORE SPRAY INITIATION, LOW LEVEL | | REACTOR SCRAM, EMERGENCY CONDENSER INITIATION) WOULD NOT HAVE PERFORMED | | THEIR SAFETY FUNCTION PROPERLY BECAUSE THEY WOULD NOT HAVE INITIATED AT | | THE MINIMUM REACTOR VESSEL WATER LEVEL REQUIRED BY THE PLANT TECHNICAL | | SPECIFICATIONS. | | | | THE LICENSEE WILL COMPLETE CORRECTIVE ACTIONS PRIOR TO RESTARTING UNIT 1. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34158 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 04/30/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 17:35 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 04/30/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 03:30[CDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 04/30/98 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |ROGER LANKSBURY RDO | | DOCKET: 0707001 |FREDERICK COMBS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: MAURER | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01, 24 HOUR REPORT. | | | | ON 12/16/97 (SEE EVENT 33419) TEN 55 GALLON DRUMS WERE FOUND IN A SEAL CAGE | | IN BUILDING "C-337". THE DRUMS WERE DETERMINED TO CONTAIN CONTAMINATED | | SEAL PARTS WHICH HAD NOT BEEN PROCESSED OR STORED IN ACCORDANCE WITH A | | DOCUMENTED NCS EVALUATION AND APPROVAL. THE AREA SURROUNDING THE TEN 55 | | GALLON DRUMS IN THE "C-337" SEAL CAGE WAS ROPED OFF AND POSTED WITH A SIGN | | STATING "OBTAIN APPROVAL FROM PSS BEFORE ENTERING". BECAUSE THE STORAGE OF | | THE TEN DRUMS WAS DETERMINED TO BE AN UNAUTHORIZED AND UNANALYZED | | OPERATION, NCS DID NOT WANT PERSONNEL PERFORMING WORK IN THE AREA UNTIL A | | PLAN FOR REMEDIATION OF THE AS-FOUND CONDITION WAS DEVELOPED AND APPROVED. | | AN NCSE IS CURRENTLY BEING DEVELOPED TO ENSURE DOUBLE CONTINGENCY FOR THE | | DISPOSITION OF THE TEN DRUMS; HOWEVER, IT IS NOT YET COMPLETE. THEREFORE, | | THE AREA IS STILL ROPED OFF AND POSTED. CONTRARY TO THE REQUIREMENT ON THE | | POSTING, MAINTENANCE HAS BEEN STORING CONTAMINATED SEALS IN THE SEAL CAGE | | WITHOUT OBTAINING APPROVAL FROM THE PSS. THERE ARE 48 CONTAMINATED SEALS | | IN SEAL CANS PLACED IN CLOSE PROXIMITY TO THE 55 GALLON DRUMS. MANY OF | | THESE SEALS WERE LOCATED IN THIS AREA AT THE TIME OF THE 12/16/97 EVENT; | | HOWEVER, SOME OF THE SEALS WERE PLACED IN THIS LOCATION AFTER THE EVENT. | | | | THE LICENSEE HAS INITIATED CORRECTIVE MEASURES. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34159 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 04/30/98 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 17:36 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 04/30/98 | +------------------------------------------------+EVENT TIME: 13:45[EDT]| |NRC NOTIFIED BY: RAWLS |LAST UPDATE DATE: 04/30/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PIERCE SKINNER RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POSTULATED SINGLE FAILURE CAN RENDER HPI SYSTEM WITH LESS THAN TWO | | REDUNDANT 100% CAPACITY HPI TRAINS. | | | | AN ARCHITECTURAL ENGINEERING DESIGNER NOTIFIED THE LICENSEE OF A CONDITION | | OUTSIDE DESIGN FOR HAVING LESS THAN TWO REDUNDANT 100% CAPACITY HPI TRAINS | | CAPABLE OF CORE COOLING IN THE EVENT OF A SINGLE ACTIVE FAILURE. A SINGLE | | FAILURE OF THE MOTOR CONTROL CENTER (MCC) "3AB" IS POSTULATED THAT RESULTS | | IN THE INABILITY TO ISOLATE NORMAL MAKEUP (MUV-27) AND RC PUMP SEAL | | INJECTION (MUV-18). A FAILURE OF MCC "3AB" REDUCES THE HPI FLOW TO THE | | CORE SINCE HPI FLOW TO THE RC PUMP SEALS IS NOT CREDITED FOR CORE COOLING. | | THE MCC SUPPLIES POWER TO THE "A" SIDE HPI PUMP (MUP 18 ONLY IF SELECTED) | | SAFETY RELATED LUBE OIL PUMP. THE LOSS OF THE MCC WILL DISABLE MUP-18. | | PER THE EMERGENCY OPERATING PROCEDURE HPI LINE ISOLATION, THE OPERATOR | | WILL NOT ISOLATE A BROKEN HPI LINE SINCE NORMAL MAKEUP IS NOT ISOLATED. | | NO CREDIT IS TAKEN FOR OPERATORS ISOLATING NORMAL MAKEUP WITH MANUAL OR | | NON-SAFETY RELATED VALVES. HPI FLOW DIVERSION ASSOCIATED WITH A BROKEN | | HPI LINE WITH A SINGLE HPI PUMP WILL NOT BE TERMINATED. FAILURE TO ISOLATE | | THE LINE RESULTS IN REDUCED HPI FLOW DELIVERY TO THE CORE THROUGH THE | | INTACT LINES. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34160 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 04/30/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 18:38 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/30/98 | +------------------------------------------------+EVENT TIME: 17:20[EDT]| |NRC NOTIFIED BY: CHURBA |LAST UPDATE DATE: 04/30/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROGER LANKSBURY 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 +------------------------------------------------------------------------------+ | LICENSEE CANNOT ASSURE PAST COMPLIANCE WITH ICE MALDISTRIBUTION LIMITS. | | (REFERENCE EVENT #33889). | | | | PLANT TECHNICAL SPECIFICATIONS REQUIRE THAT THE ICE CONDENSERS BE DIVIDED | | INTO THREE GROUPS OF BASKETS AND THAT THE AVERAGE ICE WEIGHT OF BASKETS | | FROM RADIAL ROWS 1, 2, 4, 6, 8 AND 9 IN EACH GROUP CONTAIN AT LEAST 1333 | | LBS/BASKET AT A 95% CONFIDENCE LEVEL (THE 1333 LBS/BASKET VALUE WAS RAISED | | FROM 1220 LBS/BASKET). IN ADDITION, PLANT TECH SPECS REQUIRE A TOTAL ICE | | CONDENSER ICE WEIGHT OF 2,590,000 POUNDS. | | | | PLANT TECH SPECS SURVEILLANCES DESCRIBE THE ICE BASKET WEIGHING PROGRAM | | AND REQUIRE, IN PART, THAT IF ANY BASKET IS FOUND TO CONTAIN LESS THAN | | 1333 LBS/BASKET, 20 ADDITIONAL BASKETS AND THE DISCREPANT BASKETS MUST | | THEN BE VERIFIED TO CONTAIN AN AVERAGE ICE WEIGHT OF NOT LESS THAN | | 1333 LBS/BASKET AT A 95% LEVEL OF CONFIDENCE. | | | | CONTRARY TO THE TECH SPEC SURVEILLANCE REQUIREMENT, THE ICE BASKET WEIGHING | | PROGRAM PROCEDURE DOES NOT REQUIRE THAT THESE 20 ADDITIONAL BASKETS | | (IN ADDITION TO THE DISCREPANT BASKET) BE ANALYZED AS A DISTINCT GROUP. | | IN THE PAST, THESE 20 ADDITIONAL BASKETS (IN ADDITION TO THE DISCREPANT | | BASKET) HAVE BEEN WEIGHED BUT NOT STATISTICALLY ANALYZED SEPARATELY FROM | | THE REMAINDER OF THE ICE BASKET WEIGHT DATA. THEREFORE, PAST COMPLIANCE | | WITH ICE MALDISTRIBUTION LIMITS CAN NOT BE ASSURED. THE LICENSEE IS | | CONTINUING TO INVESTIGATE THIS SITUATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+