U.S. Nuclear Regulatory Commission Operations Center Event Reports For 03/17/98 - 03/18/98 ** EVENT NUMBERS ** 33905 33906 33908 33909 33910 33911 33912 33913 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33905 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FERMI REGION: 3 |NOTIFICATION DATE: 03/16/98 | |UNIT: [2] [ ] [ ] STATE: MI |NOTIFICATION TIME: 19:14 [ET]| |RX TYPE: [2] GE-4 |EVENT DATE: 03/16/98 | +------------------------------------------------+EVENT TIME: 17:06[EST]| |NRC NOTIFIED BY: JEFF GROFF |LAST UPDATE DATE: 03/17/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MELVYN LEACH RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 96 POWER OPERATION | 96 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF THE HIGH PRESSURE COOLANT INJECTION (HPCI) EXHAUST VACUUM | | BREAKER INBOARD ISOLATION VALVE TO CLOSE DURING TESTING DUE TO A FAILED | | PUSH BUTTON CONTACT. | | | | AT 1706 ON 03/16/98, DURING THE PERFORMANCE OF PROCEDURE 24.202.07, "HPCI | | VACUUM BREAKER CHECK VALVE TEST," THE HPCI EXHAUST VACUUM BREAKER INBOARD | | ISOLATION VALVE (VALVE E4150-F079) DID NOT CLOSE WHEN GIVEN A CLOSED SIGNAL | | WITH THE MANUAL PUSH BUTTON FROM THE CONTROL ROOM. HPCI WAS DECLARED | | INOPERABLE AT THE TIME. SUBSEQUENT INVESTIGATION DETERMINED THAT THE | | CLOSED PUSH BUTTON CONTACT FAILED. | | | | THE UNIT ENTERED A 14-DAY LIMITING CONDITION FOR OPERATION (LCO) WHEN THE | | HPCI SYSTEM WAS DECLARED INOPERABLE. THE LICENSEE PLANS TO EXIT THIS LCO | | WHEN THE PUSH BUTTON CONTACT IS REPAIRED. THE UNIT ALSO ENTERED A 4-HOUR | | LCO DUE TO THE LOSS OF THE REMOTE MANUAL OPERATION CAPABILITY OF A PRIMARY | | CONTAINMENT ISOLATION VALVE. THE LICENSEE PLANS TO EXIT THIS 4-HOUR LCO | | WHEN THE APPLICABLE VALVE IS CLOSED AND DE-ENERGIZED. | | | | THE AUTOMATIC PRIMARY CONTAINMENT ISOLATION FUNCTION WAS NOT LOST. ALL | | OTHER EMERGENCY CORE COOLING SYSTEMS ARE CURRENTLY OPERABLE. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR AND PLANS TO ISSUE A PRESS | | RELEASE. | | | | * * * UPDATE AT 0508 ON 03/17/98 FROM STEVE MAREK TO S. SANDIN * * * | | | | THE CLOSE PUSH BUTTON FOR THE 'E4150-F079' VALVE WAS REPLACED, AND | | POST-MAINTENANCE TESTING WAS COMPLETED. CONSEQUENTLY, HPCI WAS DECLARED | | OPERABLE AT 0333 ON 03/17/98, AND THE LCO WAS EXITED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | OFFICER NOTIFIED THE R3DO (MEL LEACH). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33906 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GE NUCLEAR ENERGY |NOTIFICATION DATE: 03/16/98 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 21:05 [ET]| |COMMENTS: LEU CONVERSION (UF6 TO UO2) |EVENT DATE: 03/16/98 | | LEU FABRICATION |EVENT TIME: 19:52[EST]| | LWR COMMERICAL FUEL |LAST UPDATE DATE: 03/17/98 | | CITY: WILMINGTON REGION: 2 +-----------------------------+ | COUNTY: NEW HANOVER STATE: NC |PERSON ORGANIZATION| |LICENSE#: SNM-1097 AGREEMENT: Y |MARK LESSER RDO | | DOCKET: 07001113 |ROBERT PIERSON, NMSS EO | +------------------------------------------------+STUART RUBIN, AEOD IRD | |NRC NOTIFIED BY: CHARLES VAUGHAN |LUIS REYES REG2 | |HQ OPS OFFICER: LEIGH TROCINE |CHUCK HOSEY REG2 | +------------------------------------------------+THOMAS MCKENNA, AEOD RCT | |EMERGENCY CLASS: ALERT | | |10 CFR SECTION: | | | | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DECLARATION OF AN ALERT DUE TO A FIRE IN A DUMPSTER LOCATED OUTSIDE THE | | FUELS MANUFACTURING BUILDING. | | | | THERE WAS A FIRE IN A LARGE DUMPSTER LOCATED OUTSIDE (ON THE NORTH SIDE) OF | | THE FUELS MANUFACTURING BUILDING, AND THE FIRE ALARM WAS SOUNDED AT 1935. | | AS A RESULT, THE LOCAL FIRE DEPARTMENT WAS CALLED AND RESPONDED TO THE | | SITE. THE BUILDING WAS ALSO EVACUATED, AND AN ALERT WAS DECLARED AT 1952. | | | | DURING THE EVENT NOTIFICATION CALL, THE LICENSEE STATED THAT THE FIRE HAD | | RECENTLY BEEN EXTINGUISHED. (THE EXACT TIME WAS NOT KNOWN.) THE LICENSEE | | STATED THAT THERE WAS NO DAMAGE, THERE WERE NO INJURIES, AND THERE WAS NO | | SPECIAL NUCLEAR MATERIAL INVOLVED. APPARENTLY, THE DUMPSTER WAS BEING USED | | BY A CONTRACTOR THAT WAS HIRED TO PERFORM REPAIR WORK ON THE ROOF OF THE | | FUELS MANUFACTURING BUILDING, AND THE DUMPSTER CONTAINED COMBUSTIBLE | | ROOFING MATERIALS. | | | | THE LICENSEE TERMINATED THE ALERT AT 2113. | | | | IN ADDITION TO THE NOTIFICATIONS REFERENCED ABOVE, THE NRC OPERATIONS | | OFFICER MADE THE FOLLOWING INTERNAL NOTIFICATIONS: AEOD (MARTIN), EDO | | (CALLAN), CHAIRMAN JACKSON'S OFFICE (VIRGILIO), AND OPA (BEECHER). THE NRC | | OPERATIONS CENTER ALSO NOTIFIED THE FOLLOWING FEDERAL AGENCIES: FEDERAL | | EMERGENCY MANAGEMENT AGENCY (STINEDURF), DEPARTMENT OF ENERGY (ZACHMAN), | | DEPARTMENT OF AGRICULTURE (BICKERTON), DEPARTMENT OF HEALTH AND HUMAN | | SERVICES (GRAY), ENVIRONMENTAL PROTECTION AGENCY VIA THE NATIONAL RESPONSE | | CENTER (RUTHERFORD), AND DEPARTMENT OF TRANSPORTATION (VIA FACSIMILE ONLY). | | | | * * * UPDATE ON 03/17/98 BY TROCINE TO PROVIDE ADDITIONAL INFORMATION * * * | | | | AFTER THE FIRE WAS EXTINGUISHED, THE ROOF OF THE FUELS MANUFACTURING | | BUILDING WAS INSPECTED FOR SIGNS OF POTENTIAL FIRE HAZARDS, AND AN HOURLY | | FIRE WATCH WAS POSTED THROUGHOUT THE NIGHT WITH NO FURTHER INCIDENT. THE | | LICENSEE PLANS TO INVESTIGATE THE ROOT CAUSES OF THE FIRE AND CORRECTIVE | | ACTIONS TO BE TAKEN. | | | | IN CLASSIFYING THIS EVENT AS AN ALERT, THE LICENSEE BELIEVES THAT THEY | | CONSERVATIVELY INTERPRETED THEIR EMERGENCY PLAN WHICH CALLED FOR AN ALERT | | TO BE DECLARED FOR A FIRE THAT THREATENED TO EXCEED THE SITE'S ABILITY TO | | HANDLE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33908 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 03/17/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:04 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 03/17/98 | +------------------------------------------------+EVENT TIME: 09:23[CST]| |NRC NOTIFIED BY: JONATHAN REED |LAST UPDATE DATE: 03/17/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MELVYN LEACH RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | AUTOMATIC TRIP OF THE UNIT 1 EMERGENCY DIESEL GENERATOR OUTPUT BREAKER | | DURING SURVEILLANCE TESTING AND POTENTIAL INOPERABILITY OF THE STANDBY GAS | | TREATMENT SYSTEM IF EITHER UNIT WAS IN MODE 1, 2, OR 3. | | | | AT 0923, THE UNIT 1 EMERGENCY DIESEL GENERATOR (EDG) WAS BEING RUN PER | | PROCEDURE QCOS6600-01 FOR ITS MONTHLY OPERABILITY SURVEILLANCE. IT WAS | | RUNNING AT FULL AND WAS FEEDING 4-KV BUS 14-1 WHEN AN AUTOMATIC TRIP OF THE | | UNIT 1 EDG OUTPUT BREAKER OCCURRED. THE UNIT 1 EDG WAS SHUT DOWN AND | | DECLARED INOPERABLE. (BUS 14-1 IS THE DIVISION 2 SAFETY-RELATED BUS FOR | | UNIT 1, AND IT SUPPLIES THE LOW PRESSURE EMERGENCY CORE COOLING SYSTEM | | PUMPS AND OTHER DIVISION 2 480-VOLT BUSES.) FUEL POOL COOLING WAS | | UNAFFECTED, AND THERE WAS NO LOSS OF OFFSITE POWER. AN INVESTIGATION HAS | | BEEN INITIATED BY THE LICENSEE. | | | | THERE ARE THREE EDGs ON SITE. AT THIS TIME, THE UNIT 1 EDG IS INOPERABLE | | AND NOT AVAILABLE. THE SHARED 1/2 EDG IS OPERABLE AND AVAILABLE, IF | | NEEDED. THE UNIT 2 EDG IS INOPERABLE DUE TO TIME-DELAY RELAY SETTINGS, BUT | | IT IS ALSO AVAILABLE, IF NEEDED. THERE ARE ALSO TWO NONSAFETY-RELATED | | STATION BLACKOUT DIESELS (ONE FOR EACH UNIT). THE UNIT 1 STATION BLACKOUT | | DIESEL IS CURRENTLY OPERABLE AND AVAILABLE. THE UNIT 2 STATION BLACKOUT | | DIESEL IS INOPERABLE DUE TO SOME OVERDUE SURVEILLANCE TESTING, BUT IT IS | | AVAILABLE, IF NEEDED. | | | | AT THE TIME OF THIS EVENT NOTIFICATION, BOTH UNITS WERE IN MODE 4 (COLD | | SHUTDOWN). IF EITHER UNIT WAS IN MODE 1, 2, OR 3 WHEN THIS OCCURRED, BOTH | | TRAINS OF THE STANDBY GAS TREATMENT SYSTEM WOULD BE INOPERABLE PER | | TECHNICAL SPECIFICATIONS BECAUSE THERE WOULD BE NO BACKUP POWER SUPPLY | | AVAILABLE FOR EITHER OF THE STANDBY GAS TREATMENT SYSTEM TRAINS. (ONE | | TRAIN IS SERVICED BY THE UNIT 1 EDG, AND THE OTHER TRAIN IS SERVICED BY THE | | UNIT 2 EDG.) THE UNITS ARE NOT CURRENTLY IN A TECHNICAL SPECIFICATION | | LIMITING CONDITION FOR OPERATION AS A RESULT OF THIS EVENT DUE TO THEIR | | CURRENT MODE OF OPERATION. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33909 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 03/17/98 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 17:16 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 03/12/98 | +------------------------------------------------+EVENT TIME: 20:00[EST]| |NRC NOTIFIED BY: TERRY JENKINS |LAST UPDATE DATE: 03/17/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS JOHNSON 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT 2 WAS UNKNOWINGLY IN TECHNICAL SPECIFICATION 3.0.3 FOR 6 HOURS DUE TO | | AN INOPERABLE ANNULUS VENTILATION SYSTEM DURING IMPLEMENTATION OF A STATION | | MODIFICATION ON 03/12/98. | | | | DURING IMPLEMENTATION OF A STATION MODIFICATION ON 03/12/98, IT WAS | | NECESSARY TO OPEN THE UNIT 2 LOWER AIR LOCK ENCLOSURE DOOR (DOOR #AX393D). | | WITH THIS DOOR SECURED OPEN GREATER THAN 4 INCHES, SPECIFIC COMPENSATORY | | MEASURES ARE REQUIRED TO BE TAKEN TO ENSURE ANNULUS VENTILATION SYSTEM | | OPERABILITY. DURING SUBSEQUENT INVESTIGATION, IT WAS DISCOVERED THAT THE | | APPROPRIATE COMPENSATORY MEASURES WERE NOT IMPLEMENTED AND THAT THE DOOR | | WAS BLOCKED OPEN. THIS CAUSED THE ANNULUS VENTILATION SYSTEM TO BE | | INOPERABLE AND INCAPABLE OF PROVIDING ITS FUNCTION WHICH, IN CONJUNCTION | | WITH SECONDARY CONTAINMENT, IS TO MINIMIZE THE RELEASE OF RADIOACTIVITY | | FROM THE PRIMARY CONTAINMENT TO THE ENVIRONMENT FOLLOWING A DESIGN-BASIS | | ACCIDENT. THIS CAUSED THE UNIT 2 TO UNKNOWINGLY BE IN TECHNICAL | | SPECIFICATION 3.0.3 FOR 6 HOURS. | | | | THE LICENSEE CLASSIFIED THIS EVENT AS A CONDITION THAT IS OUTSIDE THE | | DESIGN BASIS OF THE PLANT AND IS REPORTABLE UNDER 10CFR50.72(b)(1)(ii)(B). | | THIS EVENT WAS DETERMINED TO BE REPORTABLE AT 1655 ON 03/17/98. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33910 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FERMI REGION: 3 |NOTIFICATION DATE: 03/17/98 | |UNIT: [2] [ ] [ ] STATE: MI |NOTIFICATION TIME: 17:55 [ET]| |RX TYPE: [2] GE-4 |EVENT DATE: 03/17/98 | +------------------------------------------------+EVENT TIME: 16:30[EST]| |NRC NOTIFIED BY: JEFF GROFF |LAST UPDATE DATE: 03/17/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MELVYN LEACH RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 96 POWER OPERATION | 96 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | IMPROPER CORRECTIVE ACTION IMPLEMENTATION TO PREVENT A POTENTIAL HOT SHORT | | WHICH COULD RESULT IN LOSS OF INVENTORY REQUIRED TO ACHIEVE COLD SHUTDOWN | | FROM THE CONDENSATE STORAGE TANK; LICENSEE EVENT REPORT REPORTABILITY FOR | | CONDITION ASSESSMENT REPORTING DOCUMENT (CARD) 98-11773. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "A [DEVIATION EVENT REPORT (DER)] WAS INITIATED IN 1996 AND SUBSEQUENT | | [LICENSEE EVENT REPORT (LER)] 96-019 [WAS] SUBMITTED TO INVESTIGATE THE | | ADEQUACY OF THE WATER SUPPLY FOR THE STANDBY FEEDWATER (SBFW) SYSTEM FOR AN | | APPENDIX 'R' APPLICATION. [TECHNICAL SPECIFICATION (TS)] 3.7.11 REQUIRES | | AN OPERABLE SBFW SYSTEM CONSISTING OF [TWO] OPERABLE SBFW PUMPS AND AN | | OPERABLE FLOW PATH FROM THE [CONDENSATE STORAGE TANK (CST)] TO THE REACTOR | | VESSEL. IT WAS DETERMINED THAT THE LEVEL IN THE CST WAS NOT MAINTAINED AT | | AN APPROPRIATE LEVEL TO SUPPLY THE SBFW SYSTEM FOR THE PERIOD ALLOWED BY | | ACTION 2.a. THE RECOMMENDED CORRECTIVE ACTIONS IDENTIFIED IN THIS DER WERE | | TO DEENERGIZE [VALVES] P1100F603 AND P1100F604 [(SUPPLY VALVES FROM THE CST | | TO THE SBFW SYSTEM)] AND [TO] MANUALLY CLOSE [THEM]. THIS RECOMMENDATION | | WAS NOT INCORPORATED INTO THE 20.000.18 PROCEDURE REVISION BUT RATHER | | ADDRESSED N2000 VALVES [(SBFW SYSTEM VALVES)]. IN ADDITION, HOWEVER, THE | | ORDER THAT ACTIONS WERE PERFORMED FOR DEPOWERING AND REPOSITIONING THE | | VALVES DID NOT ADEQUATELY ENSURE THAT HOT SHORT-INDUCED REPOSITIONING WOULD | | BE PREVENTED." | | | | "[PLANT SUPPORT ENGINEERING PERSONNEL] RECOMMENDED THAT A [TEMPORARY CHANGE | | NOTICE (TCN)] BE INITIATED TO INCORPORATE CHANGES TO THE MANNER IN WHICH | | THE N2000 VALVES ARE REPOSITIONED AND DEPOWERED. THIS TCN [WAS] INITIATED | | ON 03/17/98 TO ENSURE [THAT] A HOT SHORT DOES NOT OPEN A DRAIN PATH FROM | | THE CST, POTENTIALLY DRAINING INVENTORY REQUIRED TO ACHIEVE COLD SHUTDOWN | | FROM THE CST. FURTHER EVALUATION IS BEING CONDUCTED IN REGARD TO OTHER | | [MOTOR-OPERATED VALVES] IN THE FLOW PATH STARTING AT [VALVE] P1100F603 TO | | VERIFY THAT HOT SHORTS CANNOT RESULT IN AN UNACCEPTABLE LOSS OF CST | | INVENTORY. EVEN THOUGH THIS PROBLEM IS A RESULT OF IMPROPER CORRECTIVE | | ACTION IMPLEMENTATION, THE EVENT IS REPORTABLE UNDER | | [10CFR]50.73(a)(2)(i)(B), ANY OPERATION OR CONDITION PROHIBITED BY THE | | PLANT'S TECHNICAL SPECIFICATIONS (i.e., TS 3.7.11 HAS NOT BEEN MET FOR | | SBFW)." | | | | "IN DETERMINING WHETHER A REVISION COULD BE MADE TO THE EXISTING LER, | | NUREG-1022, [REVISION] 1, WAS CONSULTED. THIS NUREG PROVIDES GUIDANCE ON | | DETERMINING IF THE LER SHOULD BE SUBMITTED AS [AN] LER REVISION OR SEPARATE | | LER. IT WAS DETERMINED THAT REVISIONS ONLY APPLY WHEN ADDITIONAL OR | | CORRECTED INFORMATION NEEDS TO BE INCORPORATED AND THAT A SEPARATE LER IS | | REQUIRED FOR SUBSEQUENT FAILURES OF THE SAME OR LIKE COMPONENT. THEREFORE, | | THIS EVENT IS REPORTABLE IN ACCORDANCE WITH [10CFR]50.73(a)(2)(i)(B) AND | | LICENSEE [CONDITION] PARAGRAPH 2.F (NOT MEETING 2.C.9) AND WILL REQUIRE A | | NEW LER." | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33911 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 03/17/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 18:13 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 03/17/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:15[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 03/17/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |MELVYN LEACH RDO | | DOCKET: 0707002 |SUSAN SHANKMAN, NMSS EO | +------------------------------------------------+JOSEPH GIITTER, AEOD IRD | |NRC NOTIFIED BY: KURT SISLER | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 90-01 RESPONSE (4-HOUR REPORT) - LOSS OF ONE CRITICALITY | | CONTROL IN THE DOUBLE CONTINGENCY MATRIX AND FAILURE TO REESTABLISH THIS | | SPACING WITHIN THE REQUIRED 4-HOUR TIME LIMIT (MULTIPLE CONTAMINATED METAL | | SPACING VIOLATIONS). | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM PORTSMOUTH: | | | | "ON MARCH 17, 1998 AT 1415 HOURS, IT WAS DISCOVERED THAT A NUCLEAR | | CRITICALITY SAFETY APPROVAL (NCSA) ON CONTAMINATED METAL WAS VIOLATED IN | | [THE] X-333 PROCESS BUILDING. NCSA-PLANT48.A02, REQUIREMENT #5b, WHICH | | STATES, 'EQUIPMENT OR OTHER LARGE PIECES (DIAMETERS >5 INCHES) WITH HIDDEN | | VOLUMES SHALL BE SPACED AT LEAST 2 FEET EDGE-TO-EDGE,' WAS NOT MAINTAINED | | [WITH REGARD TO TWO PALLETS OF MISCELLANEOUS ITEMS INCLUDING PIGTAILS, | | CYLINDER SAFETY VALVES, CONTAMINATED SEAL EXHAUST PIPES, ETC]. THIS | | CONSTITUTES A LOSS OF CONTROL 'A' [(SPACING)] PER THE DOUBLE CONTINGENCY | | MATRIX FOR CONTINGENCY EVENT A/B.7.1. CONTROL 'B' [(CONTAINER MASS)] WAS | | MAINTAINED THROUGHOUT THIS EVENT. SPACING IS [CURRENTLY] BEING | | RE-ESTABLISHED WITH NUCLEAR CRITICALITY SAFETY GUIDANCE[, AND THE CURRENT] | | EXPECTED COMPLETION [TIME IS] BEFORE 2400 [HOURS]." | | | | "GIVEN THE LOSS OF SPACING CONTROL, ONLY THE ADDITION OF SUFFICIENT | | MODERATOR COULD BE ENOUGH TO CREATE THE POTENTIAL FOR A CRITICALITY IF | | GREATER THAN [A] SAFE MASS EXISTS. INSPECTION OF EXPOSED EQUIPMENT | | INDICATED [THAT] ONE COMPONENT HAD DUSTING OF POTENTIAL VISIBLE URANIUM. | | SOME COMPONENTS APPEARED [TO BE] NEW OR FROM NON-FISSILE SYSTEMS. [THE] | | TOTAL MASS OF URANIUM HAS NOT [YET] BEEN QUANTIFIED." | | | | THE "ESTIMATED AMOUNT, ENRICHMENT, FORM OR LICENSED MATERIAL (INCLUD[ING] | | PROCESS LIMIT AND % WORST CASE OF CRITICAL MASS)" WAS REPORTED TO BE "<3% | | ENRICHED UO2F2 [AND] <3% ENRICHED UF4[. THERE IS] NOT EXPECTED TO BE MORE | | THAN 350 GRAMS U-235, BUT [THE] TRUE MASS IS UNKNOWN." | | | | "THERE WAS NO LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL[, AND THERE WERE NO] | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURE[S] AS A RESULT OF THIS | | EVENT." | | | | PORTSMOUTH PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR AND THE DEPARTMENT OF | | ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33912 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 03/17/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 18:27 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 03/17/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 10:29[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 03/17/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |MELVYN LEACH RDO | | DOCKET: 0707002 |SUSAN SHANKMAN, NMSS EO | +------------------------------------------------+JOSEPH GIITTER, AEOD IRD | |NRC NOTIFIED BY: DALE NOEL | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 90-01 RESPONSE (24-HOUR REPORT) - LOSS OF ONE CRITICALITY | | CONTROL (SPACING) IN THE DOUBLE CONTINGENCY MATRIX. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM PORTSMOUTH: | | | | "ON MARCH 17, 1998 [AT] 1029 HOURS, OPERATIONS PERSONNEL DISCOVERED THAT | | NUCLEAR CRITICALITY SAFETY APPROVAL (NCSA) REQUIREMENTS WERE NOT BEING | | MAINTAINED IN THE X-326 PROCESS BUILDING. CONTAMINATED METAL PARTS WRAPPED | | IN PLASTIC WERE FOUND TO BE VIOLATING THE TWO FEET EDGE-TO-EDGE SPACING | | SPECIFIED IN REQUIREMENT #6 OF NCSA-PLANT048.A02 AND REQUIREMENT #5 OF | | NCSA-PLANT062.A00. THIS LOSS OF SPACING CONSTITUTES A LOSS OF ONE CONTROL | | (INTERACTION[ - ]CONTROL 'A'[)] IN THE DOUBLE CONTINGENCY MATRIX FOR | | CONTINGENCY EVENTS A/B.7.1 OF NCSA-PLANT048.A02 AND B17.1 OF NCSA- | | PLANT062.A00. CONTROL 'B' (MASS AND GEOMETRY) WAS MAINTAINED THROUGHOUT | | THIS EVENT. THE DEFICIENCY (LOSS OF CONTROL 'A') WAS IMMEDIATELY CORRECTED | | UNDER DIRECTION OF FACILITY NUCLEAR CRITICALITY SAFETY PERSONNEL. ITEMS | | WITH NO VISIBLE CONTAMINATION [WERE] DISPOSED OF PROPERLY PER | | NCSA-PLANT048.A02. THE "ESTIMATED AMOUNT, ENRICHMENT, FORM OF LICENSED | | MATERIAL (INCLUD[ING] PROCESS LIMIT AND % WORST CASE CRITICAL MASS)" WAS | | REPORTED TO BE "LESS THAN [THE] SAFE MASS[, IN THE FORM OF] EQUIPMENT | | [CONTAMINATED WITH] UO2F2[, AND A POTENTIAL] ENRICHMENT [OF] 100%." | | | | "THERE WAS NO LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL[, AND THERE WERE NO] | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURE[S] AS A RESULT OF THIS | | EVENT." | | | | PORTSMOUTH PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR AND THE DEPARTMENT OF | | ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33913 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: RIVER BEND REGION: 4 |NOTIFICATION DATE: 03/17/98 | |UNIT: [1] [ ] [ ] STATE: LA |NOTIFICATION TIME: 20:16 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 03/17/98 | +------------------------------------------------+EVENT TIME: 16:00[CST]| |NRC NOTIFIED BY: JOHN CARLSON |LAST UPDATE DATE: 03/17/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE YANDELL RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | DISCOVERY THAT THE COOLING FANS FOR THE CONTAINMENT HYDROGEN ANALYZER HEAT | | TRACE PANELS MAY BE INSTALLED BACKWARDS. | | | | AT 1600 CST ON MARCH 17, 1998, THE LICENSEE DISCOVERED A CONDITION | | INVOLVING BOTH TRAINS OF CONTAINMENT HYDROGEN ANALYZERS. THE COOLING FANS | | FOR THE HYDROGEN ANALYZER HEAT TRACE PANELS ARE BELIEVED TO BE INSTALLED | | BACKWARDS. THE FANS ARE CURRENTLY INSTALLED WITH AIR BLOWING INTO THE | | PANEL, AND IT APPEARS THAT THE FANS SHOULD BE EXHAUSTING FROM THE PANEL. | | BASED ON THIS DISCOVERY, BOTH TRAINS OF CONTAINMENT HYDROGEN ANALYZERS WERE | | DECLARED INOPERABLE IN ACCORDANCE WITH TECHNICAL SPECIFICATION 3.3.3.1 AT | | 1600 CST. THIS TECHNICAL SPECIFICATION REQUIRES RESTORATION WITHIN 7 DAYS. | | ACTIONS ARE CURRENTLY BEING TAKEN TO FURTHER EVALUATE THE EFFECT OF THIS | | CONDITION ON THE FUNCTION OF THE SYSTEM AND TO CORRECT THE CONDITION. | | ENGINEERING PERSONNEL ARE ALSO EVALUATING FANS IN OTHER CONTROL PANELS. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+