U.S. Nuclear Regulatory Commission Operations Center Event Reports For 12/24/97 - 12/29/97 ** EVENT NUMBERS ** 32823 33451 33452 33453 33454 33455 33456 33457 33458 33459 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32823 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 08/26/97 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 15:53 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/26/97 | +------------------------------------------------+EVENT TIME: 15:15[EDT]| |NRC NOTIFIED BY: RANDY PTACEK |LAST UPDATE DATE: 12/24/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF A SAFETY REVIEW TO ADDRESS FINAL SAFETY ANALYSIS ATTRIBUTES ON | | ASSOCIATED COMPONENT COOLING WATER COOLING REQUIREMENTS | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "DURING THE ONGOING NRC [ARCHITECT-ENGINEER] DESIGN INSPECTION, A QUESTION | | WAS ASKED RELATIVE TO DUAL TRAIN COMPONENT COOLING WATER (CCW) SYSTEM | | OUTAGES. DURING DUAL TRAIN CCW OUTAGES, CCW COOLING IS SUPPLIED TO THE | | SPENT FUEL POOL (SFP) HEAT EXCHANGER ONLY FROM THE OPPOSITE UNIT. IF THAT | | UNIT HAS A LOSS OF COOLANT ACCIDENT (LOCA), CCW TO THE SFP HEAT EXCHANGER | | WILL ISOLATE. FINAL SAFETY ANALYSIS REPORT (FSAR) TABLE 9.5-2, FOOTNOTE 3, | | INDICATES THAT THE SFP HEAT EXCHANGER IS ASSUMED TO BE ON THE NON-ACCIDENT | | UNIT." | | | | THE LICENSEE REPORTED THE FOLLOWING INSPECTION QUESTIONS: | | | | "1) DOES A DUAL TRAIN CCW OUTAGE REPRESENT A CONDITION OUTSIDE THE PLANT | | DESIGN BASIS?" | | | | "2) WAS THIS REVIEWED AS PART OF THE PROCESS OF ALLOWING A DUAL TRAIN CCW | | OUTAGE?" | | | | "BASED ON A REVIEW OF FSAR TABLE 9.5-2, IT WAS CONCLUDED THAT FOOTNOTE 3 | | WAS ESTABLISHED TO CLARIFY WHY NO VALUES FOR SFP HEAT EXCHANGER FLOW FOR | | THE UNIT UNDERGOING THE LOCA ARE LISTED IN THE TABLE. FOOTNOTE 3 REFLECTS | | NORMAL SFP COOLING SYSTEM DESIGN AND OPERATION." | | | | "A REVIEW WAS PERFORMED OF THE SAFETY EVALUATION PERFORMED FOR THE UNIT 2 | | FULL CORE OFFLOAD WITH ONE TRAIN OF SPENT FUEL COOLING. THIS SAFETY REVIEW | | COVERED THE UNIT 2 REFUELING OUTAGE SCHEDULE WHICH INCLUDED A DUAL TRAIN | | CCW OUTAGE." | | | | "FOOTNOTE 3 OF TABLE 9.5-2 REPRESENTS THE NORMAL DESIGN OF THE SFP COOLING | | SYSTEM, THAT IS, THE SFP COOLING SYSTEM IS DESIGNED TO REMOVE THE HEAT | | GENERATED BY STORED SPENT FUEL ELEMENTS IN THE [SFP]. THE SYSTEM | | INCORPORATES TWO SEPARATE TRAINS." | | | | "THE SAFETY REVIEW FOR THE UNIT 2 FULL CORE OFFLOAD WITH ONE TRAIN OF SPENT | | FUEL COOLING ADDRESSED THE FSAR SECTION 9.4 ATTRIBUTE OF THE SFP COOLING | | DEALING WITH BULK POOL TEMPERATURE REQUIREMENTS; HOWEVER, THE SAFETY REVIEW | | FAILED TO ADDRESS FSAR SECTION 9.5 ATTRIBUTES ASSOCIATED CCW COOLING | | REQUIREMENTS AS GIVEN IN TABLE 9.5-2." | | | | " A CONDITION REPORT HAS BEEN WRITTEN TO INITIATE ACTIONS TO INVESTIGATE | | THIS EVENT AND PROVIDE PREVENTIVE ACTIONS." | | | | THIS ISSUE IMPACTS BOTH UNITS. HOWEVER, THE UNITS ARE NOT CURRENTLY IN A | | TECHNICAL SPECIFICATION LIMITING CONDITION FOR OPERATION AS A RESULT OF | | THIS ISSUE. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | ***UPDATE ON 10/09/97 AT 0800 FROM PTACEK TO GOULD*** | | | | THE LICENSEE HAS DELETED THE WORDS "TIME TO BOIL EVENT AND" FROM THE | | CONCLUSION PARAGRAPH ADDRESSING THE SAFETY REVIEW SINCE ONLY BULK POOL | | TEMPERATURE REQUIREMENTS WERE ADDRESSED IN THE SAFETY REVIEW. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. THE R3DO | | (CLAYTON) WAS NOTIFIED BY THE NRC OPERATIONS CENTER. | | | | * * * UPDATE 1611 11/18/97 FROM PTACEK TAKEN BY STRANSKY * * * | | | | THE LICENSEE IS RETRACTING THIS NOTIFICATION. THE FOLLOWING IS TEXT OF A | | FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "SUBSEQUENT INVESTIGATION INTO THIS CONDITION HAS CONCLUDED THAT CONTROLS | | IN PLACE WERE SUFFICIENT TO ENSURE THE PLANT REMAINED WITHIN ITS DESIGN | | BASIS RELATIVE TO SPENT FUEL POOL COOLING. THE SPENT FUEL POOL COOLING | | SYSTEM DESIGN REQUIREMENT IS TO MAINTAIN THE SPENT FUEL POOL BULK WATER | | TEMPERATURE BELOW 159.54øF ASSUMING A WORST CASE SCENARIO WITH ONE COOLING | | TRAIN OPERATIONAL. AN EVALUATION OF THE UNIT 2 REFUELING OUTAGE AND WORK | | BEING PERFORMED DETERMINED THAT THE SPENT FUEL POOL COOLING SYSTEM WAS | | CAPABLE OF PERFORMING ITS INTENDED SAFETY FUNCTION THROUGHOUT THE OUTAGE. | | BASED ON THIS, THE ORIGINAL NOTIFICATION IS BEING RETRACTED." | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. NOTIFIED R3DO (MADERA). | | | | ***UPDATE ON 12/24/97 @ 1127 EST BY MARY BETH DePUYDT TAKEN BY MACKINNON*** | | | | UPON FURTHER CONSIDERATION THE LICENSEE HAS DETERMINED THAT THIS EVENT IS | | REPORTABLE. THE LICENSEE DETERMINED THAT THE CORRECT ACTIONS WERE NOT | | TAKEN PRIOR TO THE AUTHORIZATION OF THE DUAL TRAIN CCW OUTAGE, THAT IS, THE | | MANUAL ACTIONS WHICH WERE TO BE RELIED UPON WERE NOT ADEQUATE, AND CREATED | | THE POSSIBILITY OF AN UNREVIEWED SAFETY QUESTION. THEREFORE, IT HAS BEEN | | DETERMINED THAT THE EVENT, PREVIOUSLY REPORTED ON AUGUST 26, 1997, WAS | | REPORTABLE UNDER CRITERIA 10 CFR 50.72 (b)(1)(ii)(B) AS A CONDITION OUTSIDE | | THE PLANT'S DESIGN BASIS. | | | | THE LICENSEE WILL SUBMIT AN LER WITHIN 30 DAYS OF THIS VERBAL NOTIFICATION. | | | | IT SHOULD BE NOTED THAT BOTH COOK UNITS ARE CURRENTLY IN COLD SHUTDOWN, | | MODE 5. R3DO (PAT HILAND) NOTIFIED. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS UPDATE BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33451 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/24/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 10:01 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/23/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 11:30[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/24/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |PATRICK HILAND RDO | | DOCKET: 0707002 |DON COOL EO | +------------------------------------------------+ | |NRC NOTIFIED BY: GREG BARCH | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 24-HOUR NRC BULLETIN 91-01 REPORT | | | | WHILE PERFORMING A NUCLEAR CRITICALITY SAFETY (NCS) WALKDOWN OF THE X-333 | | BUILDING, PERSONNEL DISCOVERED THAT A NUCLEAR CRITICALITY SAFETY APPROVAL | | (NCSA) REQUIREMENT HAD NOT BEEN MAINTAINED. NCSA-PLANT011.001, "USE OF | | PORTABLE HEPA VENTILATION UNITS FOR SPECIFIC MAINTENANCE ACTIVITIES," | | REQUIREMENT #2 STATES, IN PART: "AFTER EVERY COMPRESSOR CHANGE THE HEPA | | FILTER SHALL BE CHECKED FOR URANIUM BUILDUP BY APPLIED NUCLEAR TECHNOLOGY | | (ANTS) PERSONNEL USING NON-DESTRUCTIVE ANALYSIS [NDA] TECHNIQUES." ON | | 11/25/97 THE PORTABLE HEPA VENTILATION UNIT WAS USED DURING REPAIR OF A | | 1/4" INSTRUMENT LINE. NO NDA OF THE HEPA FILTER WAS PERFORMED. | | | | VIOLATION OF THIS REQUIREMENT CONSTITUTES A LOSS OF ONE CONTROL (MASS) FOR | | CONTINGENCY ANALYSIS PART B.B.1.1. THE REMAINING CONTROLS (GEOMETRY AND | | INTERACTION) WERE MAINTAINED THROUGHOUT THIS EVENT. UPON NOTIFICATION OF | | THIS EVENT, AN NDA WAS PERFORMED ON THE HEPA FILTER BY ANTS PERSONNEL. THE | | RESULTS WERE FOUND TO BE LESS THAN MDA (MINIMUM DETECTABLE ACTIVITY). THE | | NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33452 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/24/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 10:01 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/23/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:30[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/24/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |PATRICK HILAND RDO | | DOCKET: 0707002 |DON COOL EO | +------------------------------------------------+ | |NRC NOTIFIED BY: GREG BARCH | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 24-HOUR NRC BULLETIN 91-01 REPORT | | | | WHILE PERFORMING A NUCLEAR CRITICALITY SAFETY (NCS) WALKDOWN, BUILDING | | PERSONNEL DISCOVERED THAT A NUCLEAR CRITICALITY SAFETY APPROVAL (NCSA) | | REQUIREMENT WAS NOT BEING MAINTAINED IN THE X-330 PROCESS BUILDING AREA 2 | | SEAL EXHAUST STATION. NCSA-PLANT018.A01, "DRY ACTIVE WASTE (CONTAMINATED | | BURNABLES) IN WASTE GENERATION AREAS AND IN INTERIM STORAGE," REQUIREMENT | | #11 STATES, IN PART: "DAW BARRELS SHALL HAVE 4 HOLES, AT LEAST 1 INCH IN | | DIAMETER, SPACED APPROXIMATELY 90 DEGREES APART." IT WAS DISCOVERED THAT | | TWO DAW BARRELS HAD HOLES SMALLER THAN THE 1" MINIMUM DIAMETER. SEAL | | EXHAUST OIL LEAKS INTO THE DAW DRUMS. THE HOLES PREVENT ACCUMULATION OF | | SOLUTION TO CONTROL THE MASS OF URANIUM. | | | | VIOLATION OF THIS REQUIREMENT CONSTITUTES A LOSS OF ONE CONTROL FOR PART B | | CONTINGENCY ANALYSIS B.1.1, B.6.1 AND B.7.1. THE REMAINING CONTROLS WERE | | MAINTAINED THROUGHOUT THIS EVENT. UPON NOTIFICATION OF THIS EVENT, | | COMPLIANCE WITH REQUIREMENT #11 WAS REESTABLISHED. NO VISIBLE CONTAMINATION | | WAS OBSERVED IN THE DRUMS. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33453 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/24/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 18:23 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/23/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 22:03[CST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/24/97 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |PAT HILAND RDO | | DOCKET: 0707001 |MIKE WEBER (NMSS) EO | +------------------------------------------------+ | |NRC NOTIFIED BY: W. G. HALICKS | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01 24 HOUR NOTIFICATION. | | | | SECOND INDEPENDENT VERIFICATION OF WASTE STREAMS (ABSORBENT PADS, OIL, | | FLOOR SWEEP, SCRAP METAL, ETC., USUALLY CONTAINED IN 55 GALLON CONTAINERS) | | FOR EXEMPT VERSUS POTENTIALLY FISSILE STATUS HAS NOT BEEN DOCUMENTED AS | | REQUIRED. THIS IS A LOSS OF ONE OF THE REQUIRED DOUBLE CONTINGENCIES. | | | | NCSA GEN-07, "NUCLEAR CRITICALITY SAFETY (NCS) EXEMPT MATERIAL POLICY", | | PROVIDES GUIDANCE TO WASTE GENERATORS, SAMPLERS, AND OTHER PERSONNEL TO | | DETERMINE THE APPLICABILITY OF NCS CONTROLS FOR THE MATERIALS THEY GENERATE | | AND HANDLE IN THE FIELD. NCSA GEN-07 AND ITS IMPLEMENTING PROCEDURE | | CP2-EG-NS1033, "ENRICHMENT AND EXEMPT WASTE VERIFICATION", PROVIDE DOUBLE | | CONTINGENCY AGAINST THE IMPROPER HANDLING OF A POTENTIALLY FISSILE WASTE | | STREAM AS NON-FISSILE (I.E. NCS EXEMPT). | | | | AS IDENTIFIED IN PR-SU-97-7643, INDEPENDENT VERIFICATION OF WASTE STREAMS | | FOR EXEMPT VERSUS POTENTIALLY FISSILE STATUS HAS NOT BEEN DOCUMENTED. | | REVIEW OF OTHER RECENT PROBLEM REPORTS RELATED TO THE SAME TOPIC INDICATE | | THAT TRAINING FOR CP2-EG-NS1033 HAS BEEN PERFORMED FOR ONLY VERY SMALL | | PORTION OF THE AFFECTED PLANT POPULATION. GENERAL NCS PLANT TRAINING, | | EXPERIENCE WITH OTHER FISSILE MATERIAL OPERATIONS, AND INTERVIEWS WITH | | OPERATIONS MANAGEMENT, INDICATE THAT THE WASTE GENERATORS HAVE HISTORICALLY | | DEMONSTRATED KNOWLEDGE OF THE MATERIAL AND PROCESSES THAT ARE COMMONLY | | CONSIDERED POTENTIALLY FISSILE. BASED ON THIS PROCESS KNOWLEDGE, IT IS | | UNLIKELY THAT THE WASTE GENERATOR WOULD FAIL TO CONSIDER A POTENTIALLY | | FISSILE WASTE STREAM AS SUCH. THEREFORE, ALTHOUGH DOCUMENTATION OF THE | | EXEMPTION HAS NOT BEEN PERFORMED THE ACTUAL CRITERIA BEING APPLIED TO | | DETERMINE EXEMPTION STATUS HAS BEEN MAINTAINED. INDEPENDENT VERIFICATION OF | | WASTE STREAM EXEMPTION STATUS IS RELIED ON AS ONE CONTROL FOR DOUBLE | | CONTINGENCY. SINCE ADHERENCES TO INDEPENDENT VERIFICATION WAS NOT PERFORMED | | THIS LEG OF DOUBLE CONTINGENCY HAS BEEN VIOLATED. | | | | NCSA GEN-07 WASTE STREAMS INCLUDE MATERIALS SUCH AS ABSORBENT PADS, OIL, | | FLOOR SWEEP, SCRAP METAL, ETC. THESE MATERIALS TYPICALLY CONTAIN EXTREMELY | | LOW URANIUM DENSITY AND HAVE LOW URANIUM ENRICHMENT. SAR 5.2.3.1 SAYS THE | | "SAFE MASS VALUE DEPENDS ON MANY FACTORS INCLUDING THE GEOMETRY, THE U-235 | | ENRICHMENT, COMPOSITION, ETC." IT IS NOT CONCEIVABLE FOR THE ACCUMULATION | | OF THE WASTE STREAMS LISTED IN GEN-07 TABLE 3. TO ACCUMULATE IN A | | CONFIGURATION THAT EXCEEDS A SAFE MASS (AS DESCRIBED PREVIOUSLY). BASED ON | | THESE FACTORS NO IMMEDIATE SAFETY CONCERN EXISTS. | | | | THIS EVENT IS BEING REPORTED UNDER UE2-RA-RE1030, REV. 2, APPENDIX D, | | CRITERIA A.4.a AS A 23-HOUR REPORT IN ACCORDANCE WITH NRC BULLETIN 91-01, | | SUPPLEMENT 1. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33454 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/24/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 21:11 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/24/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 05:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/24/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |PAT HILAND RDO | | DOCKET: 0707002 |MIKE WEBER (NMSS) EO | +------------------------------------------------+ | |NRC NOTIFIED BY: ERIC SPAETH | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01 24 HOUR NOTIFICATION | | | | FAILURE TO MAINTAIN MODERATION CONTROL BY KEEPING AN OPENING COVERED. IT | | WAS DISCOVERED THAT A PLASTIC COVER HAD FALLEN OFF AN OPEN PROCESS PIPE | | FLANGE IN CELL 33-8-6. | | | | ON 12/24/97 AT 0500 EST HOURS WHILE PERFORMING AN NCS WALKDOWN, BUILDING | | PERSONNEL DISCOVERED THAT A NUCLEAR CRITICALITY SAFETY APPROVAL (NCSA) | | REQUIREMENT WAS NOT BEING MAINTAINED IN THE X-333 PROCESS BUILDING. | | NCSA-PLANT 062.A000 - "CASCADE MAINTENANCE", REQUIREMENT # 6 STATES; | | OPENINGS/PENETRATIONS SHALL BE COVERED TO MINIMIZE THE POTENTIAL FOR | | MODERATOR COLLECTION AND MOIST AIR EXPOSURE. IT WAS DISCOVERED THAT PLASTIC | | COVERS HAD FALLEN OFF OPEN PROCESS PIPE FLANGE IN CELL 33-8-6. VIOLATION | | OF THIS REQUIREMENT CONSTITUTES A LOSS OF (1) CONTROL FOR PART "B" | | CONTINGENCY ANALYSIS B.11.1 AND B.16.1 THE SECOND CONTROL (MASS) WAS | | MAINTAINED THROUGHOUT THIS EVENT. UPON NOTIFICATION OF THIS EVENT, | | COMPLIANCE WITH REQUIREMENT # 6 WAS RE-ESTABLISHED (REINSTALLED THE 30" | | DIAMETER COVER). THE LOSS OF ONE (1) NCS CONTROL IS REPORTABLE TO THE NRC | | AS DEFINED IN PROCEDURE UE2-RA-RE1030, APP. "D", SECTION "A", PAR. 4(a). | | THERE WAS NO LOSS OR RELEASE OF HAZARDOUS/RADIOACTIVE MATERIALS OR | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURES AS A RESULT OF THIS EVENT. | | | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33455 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/24/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 21:11 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/24/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 05:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/24/97 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |PAT HILAND RDO | | DOCKET: 0707002 |MIKE WEBER (NMSS) EO | +------------------------------------------------+ | |NRC NOTIFIED BY: ERIC SPAETH | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01 24 HOUR NOTIFICATION. | | | | FAILURE TO MAINTAIN THE REQUIRED TWO FEET EDGE TO EDGE SPACING. | | | | ON 12/24/97 AT 0500 EST WHILE PERFORMING AN NCS WALKDOWN, BUILDING | | PERSONNEL (X-333 PROCESS BUILDING) DISCOVERED A NONCOMPLIANCE OF NCSA-PLANT | | 062.A00 AND NCSA-PLANT 048.A00 WHEN THEY FOUND MISCELLANEOUS CONTAMINATED | | EQUIPMENT AT THE GREEN STORAGE AREA (A ROOM 20' BY 40' USED TO STORE | | RADIOACTIVE PARTS REMOVED FROM THE CASCADE), SPACED LESS THAN THE REQUIRED | | (2) TWO EDGE TO EDGE SPACING. THIS CONSTITUTES THE LOSS OF (1) CONTROL (# 6 | | IN NCSA-PLANT 048.A00 AND # 5 IN NCSA-PLANT 062.A00) WHICH REQUIRES A | | MINIMUM SPACING OF (2) TWO FEET EDGE TO EDGE FROM ANY OTHER URANIUM BEARING | | EQUIPMENT. THE REMAINING CONTROLS WERE MAINTAINED THROUGHOUT THIS EVENT. | | UPON NOTIFICATION OF THIS EVENT, COMPLIANCE WITH REQUIREMENT # 5 AND # 6 | | WAS RE-ESTABLISHED. THE LOSS OF ONE (1) NCS CONTROL IS REPORTABLE TO THE | | NRC AS DEFINED IN PROCEDURE UE2-RA-RE1030, APP. "D", SECTION "A", PAR. | | 4(a). THERE WAS NO LOSS OR RELEASE OF HAZARDOUS/RADIOACTIVE MATERIALS OR | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURES AS A RESULT OF THIS WEEK. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33456 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 12/26/97 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 16:18 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 12/26/97 | +------------------------------------------------+EVENT TIME: 12:49[EST]| |NRC NOTIFIED BY: ANDY KOLARCIK |LAST UPDATE DATE: 12/27/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAN HOLODY RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | |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 | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A UNIT 2 CONTROL ROD DRIFTED FROM THE FULL-OUT TO FULL-IN POSITION DURING | | SURVEILLANCE TESTING. | | | | "AT 1249 EST CONTROL ROD 10-47 DRIFTED INTO THE FULLY INSERTED POSITION | | FROM POSITION 48. THE ROD REMAINED AT POSITION 00. REACTOR PROTECTION | | SYSTEM SURVEILLANCE TESTING BY I&C WAS IN PROGRESS AT THE TIME OF THE | | CONTROL ROD DRIFTING. THE EXACT CAUSE IS UNKNOWN AND IS UNDER | | INVESTIGATION. CONTROL ROD 10-47 WAS DECLARED INOPERABLE AT 1318EST AND | | WAS HYDRAULICALLY ISOLATED PER TECH SPEC 3.1.3.1 AT 1403 EST." | | | | THE LICENSEE WILL DEVELOP CORRECTIVE ACTIONS FOLLOWING COMPLETION OF THE | | ROOT CAUSE INVESTIGATION. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | | | | * * * UPDATE 2049 EST 12/27/97 FROM J. KLENK TO S. SANDIN * * * | | | | THE LICENSEE IDENTIFIED THAT LOOSE TERMINALS ON THE HCU PILOT SOLENOID | | VALVE WAS THE CAUSE FOR THE CR SCRAM DURING SURVEILLANCE TESTING. FURTHER | | INVESTIGATION DISCOVERED NUMEROUS OTHER LOOSE TERMINALS ON A TOTAL OF 27 | | CRs FOR BOTH UNITS. THE DROPPED CR WAS DECLARED OPERABLE AND WITHDRAWN AS | | OF 2230 EST ON 12/26/97. ALL OTHER LOOSE TERMINALS ON AFFECTED HCUs WERE | | IDENTIFIED AND TIGHTENED. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33457 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 12/27/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 00:22 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 12/26/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 17:31[CST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 12/27/97 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |PATRICK HILAND RDO | | DOCKET: 0707001 |MICHAEL WEBER EO | +------------------------------------------------+FRANK CONGEL IRD | |NRC NOTIFIED BY: BOSHELL | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 91-01 24 HOUR NOTIFICATION. | | | | A B-25 STORAGE CONTAINER WITH POTENTIALLY FISSILE WASTE WAS FOUND AT COLUMN | | B-23 IN THE C-335 BUILDING. THIS STORAGE CONTAINER HAS NOT BEEN CONTROLLED | | IN ACCORDANCE WITH CURRENT NUCLEAR CRITICALITY SAFETY (NCS) CONTROLS. | | REQUEST FOR DISPOSAL DOCUMENTS THE WASTE AS BEING GENERATED ON 9/27/94 AND | | CONSISTING OF VACUUM PARTS, HEPA FILTERS AND PREFILTERS AS IDENTIFIED ON | | THE WASTE CONTAINER LOG SHEET. THE VACUUM PARTS ARE CURRENTLY SUBJECTED TO | | THE REQUIREMENTS OF NCSA GEN-27 AND THE HEPA FILTERS MUST COMPLY WITH NCSA | | GEN-09. A SPACING DEFICIENCY WAS IDENTIFIED DURING WALKDOWNS WHICH WERE | | INITIATED AS THE RESULT OF A PREVIOUS EVENT (EN 33453) IN WHICH INDEPENDENT | | VERIFICATION OF WASTE, AS NCS EXEMPT PER NCSA GEN-07, WAS NOT BEING | | COMPLETE. THE B-25 STORAGE CONTAINER WAS ROPED OFF TO ASSURE 10 FT | | SPACING. AN NCS EVALUATION OF THE CONTAINER CONTENTS HAS BEEN INITIATED, | | BUT THEY HAVE NOT YET RESOLVED THE SPACING PROBLEM. | | | | IN ORDER FOR CRITICALITY TO OCCUR, MORE THAN 500LBS OF URANIUM AT 2wt.% | | WOULD HAVE TO ACCUMULATE IN A TIGHT CONFIGURATION AND BE FULLY REFLECTED. | | IT WAS DETERMINED THE MASS OF URANIUM PRESENT IN THE CONTAINER WAS LESS | | THAN 45 LBS. | | | | THE RESIDENT INSPECTOR WAS INFORMED. DOE WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33458 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 12/28/97 | |UNIT: [1] [ ] [ ] STATE: SC |NOTIFICATION TIME: 15:32 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 12/28/97 | +------------------------------------------------+EVENT TIME: 15:07[EST]| |NRC NOTIFIED BY: REGIS REPKO |LAST UPDATE DATE: 12/28/97 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KERRY LANDIS 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 54 POWER OPERATION | 50 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECH SPEC REQUIRED SHUTDOWN - STEAM GENERATOR TUBE LEAKAGE | | | | THE PLANT INITIATED A TECH SPEC REQUIRED SHUTDOWN AT 1507 ON 12/28/97, DUE | | TO A 404 GPD STEAM GENERATOR TUBE LEAK FROM THE 1A STEAM GENERATOR. THE | | PLANT HAS REDUCED POWER FROM 54% TO 50% AS OF 1515. THE LEAK WAS | | IDENTIFIED AT 1456. THE PLANT MUST BE IN COLD SHUTDOWN BY 0656 ON | | 12/30/97. THE LICENSEE EXPECTS THE PLANT TO BE OFFLINE BY APPROXIMATELY | | 1730 TODAY. | | | | THIS STEAM GENERATOR HAD SOME TUBES ROLLED AND INSPECTED DURING THE LAST | | OUTAGE. THE EXACT NUMBER OF TUBES WORKED ON WAS NOT IMMEDIATELY AVAILABLE. | | ALL OTHER SAFETY RELATED EQUIPMENT IS OPERABLE AND THE LICENSEE DOES NOT | | ANTICIPATE ANY PROBLEMS COMPLYING WITH THE TECH SPEC REQUIREMENTS. | | | | THE RESIDENT INSPECTOR HAS BEEN NOTIFIED. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33459 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 12/29/97 | |UNIT: [1] [ ] [ ] STATE: SC |NOTIFICATION TIME: 03:05 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 12/29/97 | +------------------------------------------------+EVENT TIME: 00:17[EST]| |NRC NOTIFIED BY: BRISSON |LAST UPDATE DATE: 12/29/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |KERRY 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A MANUAL SAFETY INJECTION DUE TO PERSONNEL ERROR. | | | | WHILE ATTEMPTING TO MAKE UP TO THE COLD LEG ACCUMULATORS, A PROCEDURE STEP | | WAS INADVERTENTLY MISSED WHICH WOULD HAVE ISOLATED THE NORMAL INJECTION | | FLOW PATH TO THE REACTOR COOLANT SYSTEM. AS A RESULT, THE SI PUMP INJECTED | | WATER INTO THE SYSTEM WHICH RAISED PRESSURIZER LEVEL PUSHING COLD WATER | | PAST THE WATER SPACE TEMPERATURE DETECTOR. THERE WAS A SUBSEQUENT HEATUP | | DUE TO PRESSURIZER HEATERS BEING ON SINCE PRESSURIZER HEATUP AND SYSTEM | | PRESSURIZATION WAS IN PROGRESS. WHILE STABILIZING THIS CONDITION, | | PRESSURIZER SPRAY WAS INCREASED SLIGHTLY AND ANOTHER HEATUP OCCURRED. THIS | | CAUSED THE TECH SPEC LIMITS FOR PRESSURIZER HEATUP (>100øF) TO POSSIBLY BE | | EXCEEDED. AN ENGINEERING EVALUATION HAS BEEN INITIATED PER TECH SPEC | | ACTION STATEMENT. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | +------------------------------------------------------------------------------+