U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/27/98 - 04/28/98 ** EVENT NUMBERS ** 33978 33986 34100 34132 34133 34134 34135 34136 34137 34138 34139 34140 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33978 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PILGRIM REGION: 1 |NOTIFICATION DATE: 03/27/98 | |UNIT: [1] [ ] [ ] STATE: MA |NOTIFICATION TIME: 12:50 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 03/27/98 | +------------------------------------------------+EVENT TIME: 12:00[EST]| |NRC NOTIFIED BY: TOM McELHINNEY |LAST UPDATE DATE: 04/27/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CURTIS COWGILL 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 +------------------------------------------------------------------------------+ | DISCREPANCIES BETWEEN ACTUAL CONDITIONS AND TORNADO ANALYSIS ASSUMPTIONS | | | | DURING A REVIEW OF THE SITE TORNADO ANALYSIS, THE LICENSEE DISCOVERED A | | TOTAL OF 11 DISCREPANCIES BETWEEN ACTUAL PLANT CONFIGURATIONS AND THOSE | | CONFIGURATIONS ASSUMED IN THE TORNADO DEPRESSURIZATION ANALYSIS MODEL. | | THESE DISCREPANCIES ARE BRIEFLY SUMMARIZED BELOW: | | | | 1) HPCI PUMP ROOM DOOR #2 WAS MODELED AS CLOSED; THE DOOR HAS BEEN | | REMOVED. | | 2) BLOWOUT PANEL IN HPCI PUMP ROOM CEILING MODELED AS OPEN; PANEL IS | | NORMALLY CLOSED. | | 3) BASIS FOR ASSUMED SIZE OF ROLLUP DOOR #46 IN WATER TREATMENT AREA IS | | UNCLEAR. | | 4) OFFICE ON SOUTH SIDE OF WATER TREATMENT AREA HAS NORMALLY CLOSED DOOR; | | ANALYSIS ASSUMES 60 SQ FT OPENING. | | 5) DOOR #48 IN AUXILIARY BOILER ROOM IS NOT MODELED. | | 6) AUXILIARY BOILER ROOM LOUVERS ARE NOT MODELED. | | 7) GRATINGS CONNECTING AUXILIARY BOILER ROOM TO REACTOR BUILDING VENT | | STACK ENCLOSURE ARE NOT MODELED. | | 8) OPEN FIRE DAMPER CONNECTING VITAL M/G SET ROOM TO STAIRWELL #8 IS NOT | | MODELED. | | 9) DUCTS FROM HPCI PUMP ROOM TO RHR QUAD ARE NOT MODELED. | | 10) EXHAUST DUCTS FROM BATTERY ROOMS ARE NOT MODELED. | | 11) HOLES ON SOUTH SIDE OF CONDENSER BAY HAVE BEEN FOUND; IMPACT ON THE | | TORNADO ANALYSIS HAS NOT BEEN DETERMINED. | | | | THE LICENSEE HAS CONCLUDED THAT THESE DISCREPANCIES DO NOT IMPACT THE | | OPERATION OF AFFECTED SAFETY SYSTEMS AND PLANS TO CONDUCT FURTHER REVIEWS | | AND ANALYSES. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | **RETRACTION ON 04/27/98 AT 1505 ET BY TOM McELHINNEY TAKEN BY MACKINNON** | | | | THE LICENSEE IS RETRACTING THIS EVENT REPORT BECAUSE AN ENGINEERING | | EVALUATION CONCLUDED THAT NONE OF THE 11 IDENTIFIED DISCREPANCIES PLACED | | THE PLANT OUTSIDE ITS DESIGN BASIS. NO COMPENSATORY MEASURES OR SIGNIFICANT | | ANALYSIS WERE REQUIRED TO ESTABLISH OPERABILITY. THE PROBLEM DOES NOT | | CREATE A DEVIATION FROM THE INPUTS AND ASSUMPTIONS IN THE UFSAR CHAPTER 14 | | (ACCIDENT TRANSIENT ANALYSIS) BECAUSE THE PLANT WAS ALWAYS OPERABLE. THE | | CONDITION NEVER ACTUALLY PLACED THE PLANT OUTSIDE OF ITS DESIGN BASIS OR | | COULD HAVE PREVENTED THE FULFILLMENT OF ITS SAFETY FUNCTIONS. ESSENTIALLY | | UFSAR SECTION 12.2.3.3 SPECIFIES THE DESIGN BASIS OF THE PLANT WITH RESPECT | | TO TORNADO ANALYSIS AND THESE 11 MINOR DISCREPANCIES WERE BOUNDED BY THE | | ORIGINAL DESIGN BASIS . THEREFORE THE LICENSEE RETRACTS THIS EVENT. R1DO | | (HAROLD GRAY) NOTIFIED. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33986 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 03/28/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 10:23 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 03/27/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 22:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 04/27/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |MIKE JORDAN RDO | | DOCKET: 0707002 |JOHN SURMEIER/NMSS EO | +------------------------------------------------+RICHARD BARRETT/AEOD IRD | |NRC NOTIFIED BY: ERIC SPAETH | | |HQ OPS OFFICER: DICK JOLLIFFE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |OCBB 76.120(c)(2)(ii) EQUIP DISABLED/FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - AUTOCLAVE ISOLATION VALVE DISCOVERED TO BE OPERATING BACKWARD - | | | | AT 2200 ON 03/27/98, PLANT PERSONNEL IN THE X-343 FEED VAPORIZATION AND | | SAMPLING FACILITY DISCOVERED THAT AUTOCLAVE #4 CONTAINMENT VALVE #FV416X | | (REDUNDANT REMOTE OPERATED LOCKING RING VENT VALVE) WAS OPERATING | | BACKWARDS. THIS VALVE IS A COMPONENT OF A SAFETY SYSTEM DESIGNED TO | | CONTAIN RELEASES OF UF6 INSIDE THE AUTOCLAVE. AUTOCLAVE #4 WAS IN MODE III | | (CYLINDER/PIGTAIL OPERATION) UNDERGOING PREOPERATIONAL TESTING AT THE TIME | | OF THE DISCOVERY. PLANT OPERATORS IMMEDIATELY PLACED THE AUTOCLAVE IN | | MODE VII (SHUTDOWN), AND THE PLANT SHIFT SUPERINTENDENT DECLARED THE FAULTY | | CONTAINMENT VALVE AND AUTOCLAVE INOPERABLE. TWO FEED CYLINDERS HAD BEEN | | PROCESSED THROUGH THIS AUTOCLAVE SINCE THE AUTOCLAVE HAD BEEN PLACED BACK | | IN SERVICE ON 03/25/98. PLANT PERSONNEL INSPECTED THE OTHER OPERATIONAL | | AUTOCLAVES FOR SIMILAR ANOMALOUS CONDITIONS AND FOUND NONE. PLANT | | PERSONNEL PLAN TO CONDUCT A FORMAL INVESTIGATION OF THIS EVENT. | | | | PLANT PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR AND THE ONSITE | | DEPARTMENT OF ENERGY SITE REPRESENTATIVE. | | | | ***RETRACTION ON 04/27/98 AT 2137 ET BY RICK LARSON TAKEN BY MACKINNON*** | | | | ON APRIL 27, 1998 AT 0900 ET THE PLANT SHIFT SUPERINTENDENT DOWNGRADED THE | | ABOVE EVENT. AFTER A NUCLEAR REGULATORY AFFAIRS REVIEW IT WAS DETERMINED | | THAT SINCE A REDUNDANT VALVE WAS AVAILABLE AND OPERABLE TO PERFORM THE | | REQUIRED CONTAINMENT ISOLATION FUNCTION, THIS EVENT IS NOT REPORTABLE. | | R3DO (ROGER LANKSBURY) AND NMSS EO (MIKE BELL) NOTIFIED. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34100 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 04/19/98 | |UNIT: [ ] [2] [ ] STATE: GA |NOTIFICATION TIME: 01:09 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/19/98 | +------------------------------------------------+EVENT TIME: 01:04[EDT]| |NRC NOTIFIED BY: BEINKE |LAST UPDATE DATE: 04/27/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KERRY LANDIS RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 90 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT IS IN A LCO ACTION STATEMENT TO REDUCE TO 30% POWER IN ORDER TO | | ISOLATE THE TURBINE FROM THE STEAM SUPPLY SYSTEM. | | | | THE NUMBER 4 COMBINED INTERMEDIATE VALVE(STOP/CONTROL VALVE) FOR THE MAIN | | TURBINE DID NOT CLOSE WHEN TESTED AT 2320. THEY ARE ASSUMING THE CAUSE MAY | | HAVE BEEN DUE TO A BLOWN FUSE IN THE TRIP TEST CIRCUIT. THE LCO ACTION | | STATEMENT REQUIRES THE TURBINE TO BE ISOLATED FROM THE STEAM SUPPLY SYSTEM | | WITHIN 6 HOURS. THE PLANT IS REDUCING POWER AT 6 MW/MIN SO THAT THEY CAN | | GET BELOW 30% POWER TO ISOLATE THE TURBINE TO MEET THIS REQUIREMENT. | | POWER REDUCTION COMMENCED AT 0104. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | | | | * * * RETRACTION 0831 4/18/1998 FROM REED TAKEN BY STRANSKY * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION. THE LCO MENTIONED IN | | THE ORIGINAL REPORT WAS A REQUIREMENT OF THE PLANT TECHNICAL REQUIREMENTS | | MANUAL (TRM), NOT THE TECHNICAL SPECIFICATIONS. THEREFORE, THIS EVENT IS | | NOT REPORTABLE. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. NOTIFIED R2DO | | (ROGERS) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 34132 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: HALLIBURTON |NOTIFICATION DATE: 04/27/98 | | CITY: HOUSTON REGION: 4 |NOTIFICATION TIME: 13:05 [ET]| | COUNTY: HARRIS STATE: TX |EVENT DATE: 04/27/98 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 12:00[CDT]| | DOCKET: |LAST UPDATE DATE: 04/27/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GARY SANBORN RDO | | |DON COOL, NMSS EO | +------------------------------------------------+LINDA HOWELL REG4 | |NRC NOTIFIED BY: GEORGE VOLLMER |STU RUBIN, MGR IRD | |HQ OPS OFFICER: JOHN MacKINNON |FEMA, DOE, DOA, HHS, FAX | +------------------------------------------------+DOT (NRC), & EPA FAX | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AN EMPTY BOX GOING THROUGH U.S. CUSTOMS IN HOUSTON, TEXAS CAUSED A U.S. | | CUSTOMS AGENT'S RADIATION DETECTOR TO READ 9 ON ITS SCALE. | | | | AN EMPTY BOX (ACCORDING TO THE SHIPPING PAPERS) WAS BEING SHIPPED FROM | | QATAR TO HALLIBURTON IN FORT WORTH, TEXAS. A US CUSTOMS AGENT IN HOUSTON | | SURVEYED THE NONPLACARDED BOX WITH A RADIATION DETECTOR (AGENT DID NOT KNOW | | WHAT TYPE OF DETECTOR OR WHAT UNITS THE DETECTOR READ) AND THE DETECTOR | | READ 9 (THE HIGHEST ON THE SCALE IS 9) ON CONTACT. APPROXIMATELY 6 INCHES | | TO ONE FOOT FROM THE BOX THE DETECTOR READ 8 ON ITS SCALE. ACCORDING TO THE | | SHIPPING PAPERS THE BOX ORIGINALLY CONTAINED SOME TYPE OF DEVICE WHICH | | CONTAINED A CESIUM SOURCE. | | | | SEE HOO LOG BOOK FOR ADDRESS AND PHONE NUMBER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34133 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 04/27/98 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 15:24 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 04/27/98 | +------------------------------------------------+EVENT TIME: 12:00[EDT]| |NRC NOTIFIED BY: PAUL REED |LAST UPDATE DATE: 04/27/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTRACT SUPERVISOR ACCESS HAS BEEN TERMINATED DUE TO CONFIRMED POSITIVE ON | | A RANDOM SAMPLE DRUG TEST. | | | | THE LICENSEE WAS NOTIFIED TODAY AT 1200 EDT THAT A CONTRACT SUPERVISOR WAS | | CONFIRMED POSITIVE FOR SUBSTANCE ABUSE ON A RANDOM SAMPLE TEST. THE | | CONTRACT SUPERVISOR'S ACCESS WAS REVOKED AND THE INDIVIDUAL WAS ESCORTED | | OFFSITE. THE INDIVIDUAL'S PAST WORK IS BEING REVIEWED AT THIS TIME. | | | | THE LICENSEE HAS NOTIFIED THE NRC RESIDENT INSPECTOR AND THE STATE OF | | CONNECTICUT OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34134 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 04/27/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 16:00 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/27/98 | +------------------------------------------------+EVENT TIME: 15:00[EDT]| |NRC NOTIFIED BY: M PEAL |LAST UPDATE DATE: 04/27/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TWO IN-SERIES CONTROL ROD CHECK VALVES FAILED THEIR LOCAL LEAK TEST | | | | TWO CHECK VALVES (#146026 & 146027) IN SERIES IN THE CONTROL ROD DRIVE | | HYDRAULIC SYSTEM FAILED THEIR LOCAL LEAK RATE TEST. THE VALVES ARE DESIGNED | | TO PREVENT BACK FLOW FROM THE REACTOR VESSEL TO PIPING AND COMPONENTS | | OUTSIDE OF SECONDARY CONTAINMENT AS DESCRIBED IN FSAR SECTION 6.2.3.2.3.1. | | THE CAUSE OF THE FAILURE IS UNDER INVESTIGATION AT THIS TIME. THE VALVES | | WERE LAST TESTED ABOUT 3 YEARS AGO. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34135 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 04/27/98 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 16:00 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 04/27/98 | +------------------------------------------------+EVENT TIME: 15:30[EDT]| |NRC NOTIFIED BY: WISNIEWSKI |LAST UPDATE DATE: 04/27/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REFUEL FLOOR BLOWOUT PANELS WILL RELIEVE AT 0.47 psig VERSUS 0.25 psig AS | | STATED IN THE FSAR. | | | | AS A RESULT OF VERMONT YANKEE HIGH ENERGY LINE BREAK INVESTIGATION ANALYSIS | | BASED ON AN ENGINEERING REVIEW OF THE REFUEL FLOOR BLOWOUT PANEL RIVETS, | | THE LICENSEE DISCOVERED THAT THE PANELS WILL RELIEVE AT 0.47 psig INSTEAD | | OF 0.25 psig AS STATED IN THE FINAL SAFETY ANALYSIS REPORT (FSAR). THIS | | POTENTIALLY PLACES THE PLANT OUTSIDE OF ITS DESIGN BASIS CONDITION WITH | | REGARD TO FSAR SECTION 12.2.1. (LOADING CONSIDERATIONS FOR STRUCTURES, | | FOUNDATIONS, EQUIPMENT AND SYSTEMS). THE ONLY SAFETY DESIGN BASIS FOR THE | | REACTOR BUILDING IS TO MEET 10 CFR 100 RELEASE REQUIREMENTS BUT THE FSAR | | DESCRIPTION OF THE REACTOR BUILDING STATES IN SEVERAL PLACES THAT THE | | REFUEL FLOOR BLOWOUT PANELS WILL RELIEVE AT 7 INCHES OF WATER (0.25 psig). | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34136 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 04/27/98 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 17:02 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 04/27/98 | +------------------------------------------------+EVENT TIME: 16:15[EDT]| |NRC NOTIFIED BY: ANDY WISNIEWSKI |LAST UPDATE DATE: 04/27/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EMERGENCY RESPONSE FACILITY INFORMATION SYSTEM (ERFIS) FOR THE EMERGENCY | | OFFSITE FACILITY (EOF) NOT OPERATING | | | | AT 1000 EDT, A SURVEILLANCE TEST OF THE EOF ERFIS (PROVIDES SPDS FUNCTION | | IN THE EOF) WAS PERFORMED AND IT WAS DISCOVERED THAT THE ERFIS (SPDS) | | TERMINALS IN THE EOF WOULD NOT COME ONLINE. THE TERMINALS FOR ERFIS IN THE | | EOF WERE FOUND TO BE DISCONNECTED. THE APPARENT CAUSE OF THIS PROBLEM WAS | | THAT INFORMATION TECHNOLOGY PERSONNEL HAD DISCONNECTED THE TERMINALS DURING | | TROUBLESHOOTING. THE TERMINALS WERE IMMEDIATELY RECONNECTED AND THE SYSTEM | | WAS RESTORED TO SERVICE. THE CONTROL ROOM WAS MADE AWARE OF THIS PROBLEM AT | | 1615 ET. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34137 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 04/27/98 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 19:07 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 04/27/98 | +------------------------------------------------+EVENT TIME: 15:50[EDT]| |NRC NOTIFIED BY: JOHN M. THOMAS |LAST UPDATE DATE: 04/27/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | GAS VOID DISCOVERED BETWEEN THE LOW HEAD SAFETY INJECTION (LHSI) PUMP AND | | THE CHARGING/HIGH HEAD SAFETY INJECTION (HHSI) PUMP SUCTION. | | | | ON 03/24/98, DURING A QUARTERLY TEST OF THE "A" LOW HEAD SAFETY INJECTION | | PUMP (1OST-11.1), INVESTIGATION OF A FLOW INSTRUMENT ANOMALY REVEALED A GAS | | VOID IN THE PIPING BETWEEN THAT PUMP AND THE CHARGING/HHSI PUMP SUCTION. | | ULTRASONIC INSPECTION WAS USED TO LOCATE THE VOID AND QUANTIFY ITS VOLUME. | | ON 04/27/98, AN ENGINEERING ANALYSIS OF THE VOID DETERMINED THAT, AFTER A | | SAFETY INJECTION, INITIATION OF TRANSFER TO RECIRCULATION MODE OF INJECTION | | WOULD HAVE SWEPT THE VOID INTO THE CHARGING PUMP SUCTION AND PRESENTED A | | CHALLENGE TO CONTINUE OPERATION OF THE CHARGING/HHSI PUMPS. THIS IS AN | | UNANALYZED CONDITION FOUND WHILE THE UNIT WAS SHUT DOWN. | | | | THE VOID IS BELIEVED TO HAVE BEEN INTRODUCED INTO THE PIPING DURING A TEST | | OF THE OUTSIDE RECIRC SPRAY PUMPS (1OST-13.7) DURING THE RECENT REFUELING | | OUTAGE. THE TEST WAS CONDUCTED ON 11/05/97. COMPRESSED AIR IS USED AFTER | | THE TEST TO DISPLACE WATER FROM THE RECIRC SPRAY PUMP CASING, WHICH IS | | NORMALLY DRAINED. THE OUTSIDE RECIRC SPRAY PUMP DISCHARGE IS PIPED TO THE | | LHSI TO HHSI SUCTION SUPPLY LINE VIA A LOCKED CLOSED VALVE (RS-157). AIR IS | | BELIEVED TO HAVE LEAKED THROUGH THE LOCKED CLOSED ISOLATION VALVE (RS-157) | | INTO THE CHARGING/HHSI SUCTION SUPPLY FROM THE LOW HEAD SI PUMP. | | | | THE GAS VOID WAS VENTED ON 03/25/98. PERIODIC ULTRASONIC MONITORING OF THE | | LOW HEAD SI SUPPLY TO THE CHARGING/HHSI PUMP SUCTION OVER THE LAST MONTH | | HAS CONFIRMED THAT NO VOIDS EXIST. LONG TERM CORRECTIVE ACTIONS TO PRECLUDE | | RE-OCCURRENCE WILL BE COMPLETED PRIOR TO REPEATING THE OUTSIDE RECIRC SPRAY | | PUMP TEST. THIS CONDITION IS UNRELATED TO EARLIER CHARGING PUMP SUCTION | | PIPING GAS ACCUMULATION. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34138 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 04/27/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 21:37 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 04/27/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 09:30[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 04/27/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |ROGER LANKSBURY RDO | | DOCKET: 0707002 |MIKE BELL, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: RICK LARSON | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NCFR NON CFR REPORT REQMNT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SMALL OUTGASSING OF URANIUM HEXAFLUORIDE OCCURRED IN THE TAILS WITHDRAWAL | | AREA. | | | | DURING AN INVESTIGATION INTO THE CAUSE OF A SECOND SMOKEHEAD ALARM IN THE | | TAILS WITHDRAWAL AREA, IT WAS DISCOVERED THAT AN OUTGASSING (A SMALL WISP | | OF URANIUM HEXAFLUORIDE) HAD OCCURRED FROM LIQUID WITHDRAWAL ISOLATION | | VALVE SMDB2 AT POSITION # 2 IN THE ENCLOSED HEATED HOUSING OF THE TAILS | | WITHDRAWAL STATION. THE VALVE WAS SHUT, ISOLATING THE VALVE'S BELLOWS FROM | | THE LIQUID WITHDRAWAL LINE. THE VALVE'S BELLOWS HAD A PINHOLE LEAK IN IT | | WHICH PERMITTED A SMALL AMOUNT OF URANIUM HEXAFLUORIDE TO ESCAPE. | | SUBSEQUENT ACTIONS OF TAGGING THE VALVE SHUT AND DECLARING THE VALVE | | INOPERABLE WERE COMPLETED. | | | | THIS IS BEING REPORTED AS A VALID ACTUATION OF SAFETY SYSTEM EQUIPMENT | | (CADP SMOKEHEAD ALARM) PER THE PLANT'S REQUIREMENTS IN THE SAR SECTION 6.9. | | | | THERE WAS NO LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL OR | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURE AS A RESULT OF THIS EVENT. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34139 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 04/28/98 | |UNIT: [1] [2] [ ] STATE: GA |NOTIFICATION TIME: 02:40 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/28/98 | +------------------------------------------------+EVENT TIME: 02:15[EDT]| |NRC NOTIFIED BY: FRANK GORLEY |LAST UPDATE DATE: 04/28/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER RODGERS RDO | |AENS 50.72(b)(1)(v) ENS INOPERABLE | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LOSS OF OFFSITE RADIO NETWORK | | | | THE NOAA RADIO SYSTEM, USED FOR OFFSITE NOTIFICATIONS, IS INOPERABLE DUE TO | | INOPERABLE TELEPHONE LINES TO JACKSONVILLE. THE LICENSEE HAS CONTACTED | | SOUTHERN BELL TO CORRECT THE PROBLEM. THE NRC RESIDENT INSPECTOR HAS BEEN | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34140 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 04/28/98 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 05:31 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 04/28/98 | +------------------------------------------------+EVENT TIME: 05:05[EDT]| |NRC NOTIFIED BY: FRANK SIENCZAK |LAST UPDATE DATE: 04/28/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 99 POWER OPERATION | 89 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PLANT SHUTDOWN DUE TO ISSUE WITH CONTROL ROOM AIR TREATMENT SYSTEM | | | | THE LICENSEE HAS COMMENCED A UNIT SHUTDOWN IN ACCORDANCE WITH PLANT | | TECHNICAL SPECIFICATIONS (TS) DUE TO THE INABILITY TO RESTORE THE CONTROL | | ROOM AIR TREATMENT (CRAT) SYSTEM TO OPERABILITY WITHIN THE 7-DAY TIME | | ALLOWED BY TS LIMITING CONDITION FOR OPERATION (LCO) 3.4.5. ON 4/21/1998, | | THE LICENSEE DECLARED THE CRAT SYSTEM INOPERABLE AFTER DETERMINING THAT THE | | CRAT RADIATION MONITORS WOULD NOT AUTOMATICALLY START THE SYSTEM IN THE | | EVENT OF A MAIN STEAM LINE BREAK OR DESIGN BASIS LOCA. (SEE PREVIOUS EN | | #34112.) THE LICENSEE HAS DETERMINED THAT NEITHER RADIATION MONITOR | | (CHANNEL 11 NOR 12) WOULD REACH ITS HIGH SETPOINT DURING THESE EVENTS. | | | | THE LICENSEE EXPECTS TO TAKE THE UNIT TO COLD SHUTDOWN, AND IS CURRENTLY | | DEINERTING THE DRYWELL IN PREPARATION FOR OUTAGE ACTIVITIES. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+