U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/12/95 - 09/13/95 ** EVENT NUMBERS ** 29236 29278 29316 29318 29319 29320 29321 29322 29323 29324 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29236 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 08/25/95 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 04:05 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 08/25/95 | +------------------------------------------------+EVENT TIME: 01:41[EDT]| |NRC NOTIFIED BY: DONALD E. ROLAND |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD CONTE 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF THE INBOARD MAIN STEAM LINE DRAIN VALVE TO CLOSE AND OF THE ZONE | | III WALL AND HIGH EXHAUST RADIATION MONITORS TO TRIP DOWNSCALE AS EXPECTED | | DURING A HALF SCRAM AS PART OF A PRE-PLANNED EVOLUTION. | | | | THE REACTOR PROTECTION SYSTEM (RPS) WAS MOMENTARILY DE-ENERGIZED DURING THE | | PERFORMANCE OF A SWAP OF THE RPS POWER SUPPLIES IN PREPARATION FOR | | MAINTENANCE ON ONE OF THE OFFSITE POWER SUPPLY TRANSFORMERS. THIS WAS DUE | | TO THE DESIGN OF THE RPS POWER SUPPLY SYSTEM. IT UTILIZED A BREAK BEFORE | | MAKE CONFIGURATION. THIS CAUSED A HALF SCRAM SIGNAL AND NUMEROUS | | ISOLATIONS AND WAS PART OF AN EXPECTED EVOLUTION. HOWEVER, FOLLOWING THE | | SWAP, THE INBOARD MAIN STEAM LINE DRAIN VALVE DID NOT GO CLOSED AS | | EXPECTED. (IN THE PAST, THE CAUSE OF THIS HAD BEEN EVALUATED AS A RELAY | | RACE.) IN ADDITION, THE ZONE III WALL (REFUEL FLOOR EXHAUST VENTILATION | | SYSTEM) AND HIGH EXHAUST RADIATION MONITORS DID NOT TRIP DOWNSCALE AS | | EXPECTED. | | | | THE LICENSEE SUSPECTED THAT THESE EMERGENCY SAFEGUARD FEATURE FUNCTIONS DID | | NOT OCCUR DUE TO THE SHORT PERIOD OF TIME THAT THE LOGIC WAS ACTUALLY | | DE-ENERGIZED DURING THE SWAP. THE LICENSEE REPORTED THAT THERE HAVE BEEN | | SIMILAR SITUATIONS IN THE PAST. THE LICENSEE'S INVESTIGATION IS CURRENTLY | | ONGOING. | | | | THE LICENSEE WILL NOTIFY THE NRC RESIDENT INSPECTOR. | | | | ***UPDATE AT 16:36 @ 09/12/95 BY WALSH TO GOULD*** THE LICENSEE IS | | RETRACTING THIS EVENT SINCE THEY HAVE DETERMINED THAT THE THE EVENT WAS NOT | | REPORTABLE AS AN ESF ACTUATION. THE VALVE ISOLATION WAS NOT FULLY ACTUATED | | BECAUSE DURING THE POWER TRANSFER, THE POWER LOSS INTERVAL WAS INSUFFICIENT | | TO ALLOW A RELAY IN THE LOGIC CIRCUIT TO DROP OUT AND SEAL IN THE CONTACTOR | | FOR THE VALVE. AS PER 10CFR50.72(b)(2)(ii) AND PART 50 STATEMENTS OF | | CONSIDERATION, INVALID ESF ACTUATIONS OF REACTOR BUILDING VENTILATION | | SYSTEM ARE EXEMPT FROM REPORTING REQUIREMENTS. A DOWNSCALE TRIP OF THE RAD | | MONITORS, WHICH DID NOT OCCUR DURING THIS EVOLUTION, IS NOT INCLUDED IN THE | | FSAR SECTION 9.4.2.1.3 TABLE LISTING APPLICABLE SIGNALS FOR ZONE III | | ISOLATIONS WHICH ARE CONSIDERED TO BE ESF FUNCTIONS. THE RI WAS INFORMED. | | NOTIFIED REG 1(RULAND) | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29278 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 09/01/95 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 19:05 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/01/95 | +------------------------------------------------+EVENT TIME: 17:29[CDT]| |NRC NOTIFIED BY: MIKE DEBOARD |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND RDO | |ADEG 50.72(b)(1)(ii) DEGRAD COND DURING OP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | POTENTIAL DEGRADED CONDITION FOR THE SAFETY INJECTION SYSTEM DUE TO | | CONFLICTING OPERABILITY DETERMINATIONS | | | | AT 23:10 CDT ON AUGUST 27, 1995, THE 1A SAFETY INJECTION PUMP WAS TAKEN OUT | | OF SERVICE FOR SCHEDULED MAINTENANCE WORK, AND THE 1A SAFETY INJECTION PUMP | | SUCTION VALVE (1SI8923A) WAS ISOLATED AND DE-ENERGIZED IN THE CLOSED | | POSITION. AN OPERABILITY DETERMINATION PERFORMED IN 1992 ADDRESSED THIS | | CONDITION AND DETERMINED THAT THERE WAS NO OPERABILITY EFFECT ON THE 'B' | | TRAIN OF EMERGENCY CORE COOLING SYSTEM EQUIPMENT. VALVE 1SI8923A WAS | | RESTORED AT 03:02 CDT ON AUGUST 30, 1995. | | | | SUBSEQUENT TO THE RESTORATION OF THE 1A SAFETY INJECTION TRAIN, ANOTHER | | OPERABILITY DETERMINATION WAS DISCOVERED WHICH PLACED A RESTRICTION OF 1 | | HOUR ON THE TIME THAT VALVE 1SI8923A COULD BE CLOSED AND INCAPABLE OF BEING | | OPENED. THERE APPEARS TO BE A CONFLICT BETWEEN THE TWO OPERABILITY | | DETERMINATIONS. THE EXACT PLANT CONFIGURATION THAT EXISTED AT THE TIME OF | | THE SECOND EVALUATION IS UNKNOWN AT THIS TIME. | | | | IF SUBSEQUENT RESEARCH INDICATES THAT THE LATER OPERABILITY EVALUATION IS | | APPLICABLE TO THE PLANT CONFIGURATION THAT EXISTED FROM AUGUST 27 TO 30, | | THEN THIS EVENT IS REPORTABLE AS A DEGRADED CONDITION AND IS BEING | | CONSERVATIVELY REPORTED AT THIS TIME. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | | | | ***UPDATE AT 13:36 @ 9/12/9 BY ZOLAN TO GOULD*** THE LICENSEE IS RETRACTING | | THIS EVENT AFTER FURTHER ENGINEERING ANALYSIS CONCLUDED THAT THE CLOSURE OF | | "1SI8923A" VALVE DOES/DID NOT AFFECT THE OPERABILITY OF THE "B" TRAIN OF | | ECCS SYSTEMS SINCE THE APPROPRIATE TECH SPEC REQUIREMENTS FOR THE SAFETY | | INJECTION AND CHARGING WOULD BE FOLLOWED AT ALL TIMES. THEREFORE IT WAS | | CONCLUDED THAT THIS EVENT WAS NOT REPORTABLE. THE RI WAS INFORMED. | | REG 3 MADERA INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29316 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 09/11/95 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 13:09 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 09/11/95 | +------------------------------------------------+EVENT TIME: 12:50[EDT]| |NRC NOTIFIED BY: FORST |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |CHAFFEE EO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS |CALDWELL FEMA | |ADEG 50.72(b)(1)(ii) DEGRAD COND DURING OP | | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | M/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE MANUALLY SCRAMMED THE REACTOR DUE TO A STUCK OPEN MAIN STEAM | | LINE SAFETY RELIEF VALVE. | | | | THE LICENSEE DECLARED AN UNUSUAL EVENT DUE TO SAFETY RELIEF VALVE | | (PSV-41-1F013M) FAILING OPEN WHILE THE PLANT WAS AT 100% POWER. THEY | | ATTEMPTED TO REDUCE REACTOR PRESSURE TO CLOSE THE VALVE, BUT THE VALVE | | REMAINED OPENED, SO THE REACTOR WAS MANUALLY SCRAMMED FROM 100% POWER. ALL | | CONTROL RODS FULLY INSERTED INTO THE CORE. APPROXIMATELY 10 MINS AFTER THE | | SCRAM, THE REACTOR VESSEL PRESSURE DECREASED TO 500 psig AT WHICH TIME THE | | OUTBOARD MSIV'S WERE CLOSED. THE SAFETY RELIEF VALVE CONTINUED TO STAY OPEN | | AFTER THE MSIV'S WERE CLOSED (REACTOR VESSEL PRESSURE CONTINUED TO | | DECREASE). SAFETY RELIEF VALVE (PSV-41-1F013M) FINALLY CLOSED STABILIZING | | REACTOR VESSEL PRESSURE AT 370 psig. THE CAUSE OF THE SAFETY RELIEF VALVE | | FAILING OPEN IS UNKNOWN AND BEING INVESTIGATED. THE RI WAS INFORMED ALONG | | WITH STATE AND LOCAL AGENCIES. THERE WILL ALSO BE A PRESS RELEASE. | | | | ***UPDATE AT 14:57 BY KLENK TO GOULD*** THE PLANT IS GOING TO A COLD S/D | | CONDITION. THE LICENSEE BELIEVES THAT SAFETY RELIEF VALVE (PSV-41-1F013M) | | MAY STILL BE OPEN, ALTHOUGH THEY HAVE INDICATIONS THAT THE SAFETY RELIEF | | VALVE IS CLOSED, SINCE REACTOR VESSEL PRESSURE HAS DECREASED TO 110 psig | | AND IS CONTINUING TO DECREASE. LICENSEE WILL EXIT THE UNUSUAL EVENT | | CLASSIFICATION WHEN THEY HAVE PLACED SHUTDOWN COOLING INTO SERVICE. THE RI | | WAS INFORMED. | | | | ***UPDATE AT 15:21 BY BRAUN TO GOULD*** THE LICENSEE UPDATED THIS EVENT TO | | INCLUDE A TS REQUIRED S/D, DEGRADED CONDITION, AND RPS ACTUATION AS PART OF | | THEIR REPORTABILITY REQUIREMENTS. THEY ALSO STATED THAT DURING THE | | TRANSIENT, THE PLANT EXCEEDED THE TS COOLDOWN RATE. THE RI WAS INFORMED. | | | | ***UPDATE AT 0231 ET 09/12/95 BY JIM HUTTON TAKEN BY MACKINNON*** UNUSUAL | | EVENT TERMINATED AT 0227 ET WHEN LICENSEE ESTABLISHED SHUTDOWN COOLING. | | LICENSEE IS USING "B" RHR PUMP FOR SHUTDOWN COOLING. "A" RHR PUMP SHOWED | | ABNORMAL FLOW CHARACTERISTICS WHEN RUNNING IN THE SUPPRESSION POOL COOLING | | MODE OF OPERATION. LICENSEE IS STILL USING "A" RHR PUMP FOR SUPPRESSION | | COOLING BUT THEY CONSIDER THE PUMP TECHNICALLY INOPERABLE. LICENSEE SAID | | THAT THEIR OTHER TWO RHR PUMPS ARE FULLY OPERABLE IF NEEDED. ALL OTHER ECCS | | SYSTEMS, AND THEIR EDGs ARE FULLY OPERABLE. THE SAFETY RELIEF VALVE WHICH | | OPENED IS LOCATED ON MAIN STEAM LINE "D" AND THE LICENSEE SAID THAT THEY | | DID NOT KNOW AT THE PRESENT TIME WHY THE SAFETY RELIEF VALVE OPENED. | | COOLDOWN RATE FOR THE FIRST HOUR AFTER THE REACTOR SCRAM WAS 150 DEGREES F | | (TECH SPEC LIMIT IS 100 DEGREES F). SHIFT SUPERVISOR WHEN HE CAME ON AT | | 1830 ET SAID THAT SUPPRESSION POOL TEMPERATURE WAS 108 DEGREES F AND | | DECREASING (THEY WERE ALREADY IN SUPPRESSION POOL COOLING MODE OF | | OPERATION). LICENSEE WILL NOTIFY MONTGOMERY COUNTY, CHESTER COUNTY, BERKS | | COUNTY, AND THE STATE OF PENNSYLVANIA EMERGENCY MANAGEMENT OF THE | | TERMINATION OF THEIR UNUSUAL EVENT. R1DO (BILL RULAND), EO(JOSE CALVO), & | | FEMA (BERNICE CARR) NOTIFIED. | | | | RESIDENT INSPECTOR WILL BE NOTIFIED BY THE LICENSEE. | | | | * * * UPDATE 1626 9/12/95 FROM DAVID NEFF BY S.SANDIN * * * | | "THIS REPORT PROVIDES A WRITTEN SUMMARY FOLLOWING THE CLOSE OUT OF AN | | UNUSUAL EVENT IN ACCORDANCE WITH NUREG-0654, APPENDIX 1. BELOW IS A BRIEF | | DESCRIPTION OF THE EVENT AND THE CLOSE OUT. A LER WILL FOLLOW IN THE | | REQUIRED TIME FRAME." | | | | "AT 1245 HOURS, ON 9/11/95, WITH UNIT 1 OPERATING AT 100% POWER AND | | APPROXIMATELY 1005 PSIG REACTOR PRESSURE, MAIN CONTROL ROOM PERSONNEL | | RECEIVED ALARM AND PARAMETER INDICATIONS THAT THE "M" MAIN STEAM SYSTEM | | SAFETY RELIEF VALVE (SRV) WAS OPEN. OPERATORS IMMEDIATELY IMPLEMENTED THE | | APPROPRIATE EMERGENCY OPERATING PROCEDURES. ATTEMPTS TO CLOSE THE SRV WERE | | UNSUCCESSFUL AND WITHIN TWO MINUTES THE OPERATORS HAD PLACED THE MODE | | SWITCH IN SHUTDOWN AS REQUIRED BY TECHNICAL SPECIFICATIONS (TS) SECTION | | 3.4.2 ACTION B. THE OPERATORS CLOSED THE MAIN STEAM ISOLATION VALVES | | (MSIVs) TO ASSIST IN REDUCING THE DEPRESSURIZATION RATE OF THE REACTOR | | VESSEL. THE SRV DID NOT RECLOSE UNTIL 1307 HOURS WHEN REACTOR PRESSURE HAD | | DECREASED TO 410 PSIG. WITH REACTOR PRESSURE AT 410 PSIG, THE COOLDOWN RATE | | WAS APPROXIMATELY 130 DEG F PER HOUR EXCEEDING THE TS SECTION 3.4.6.1 LIMIT | | OF 100 DEG F PER HOUR. SUPPRESSION POOL TEMPERATURE REACHED A MAXIMUM OF | | 124 DEG F DURING THE EVENT. AT APPROXIMATELY 1315 HOURS, UNIT 1 WAS IN A | | STABLE HOT SHUTDOWN CONDITION WITH THE SRV INDICATING CLOSED, WITH A SLOW | | DEPRESSURIZATION RATE, AND WITH TWO LOOPS OF SUPPRESSION POOL COOLING IN | | SERVICE. THERE WAS NO RELEASE OF RADIOACTIVE MATERIAL TO THE ENVIRONMENT AS | | A RESULT OF THIS EVENT." | | | | "AT 1250 HOURS, PER PROCEDURE ERP-1, "CLASSIFICATION OF EMERGENCIES," THE | | SHIFT MANAGER DECLARED AN UNUSUAL EVENT (UE) ON UNIT 1 DUE TO THE STUCK | | OPEN SRV. THE NRC WAS THEN NOTIFIED OF THE DECLARATION OF THE UE AND OF THE | | MANUAL REACTOR SHUTDOWN PER THE REQUIREMENTS OF 10CFR50.72(a)(1)(i) AND | | 50.72(b)(2)(ii). THE UE NOTIFICATION WAS UPDATED AT 1450 HOURS TO INDICATE | | THAT THE REACTOR VESSEL CONTINUED TO SLOWLY DEPRESSURIZE AND THAT THE PLANT | | WAS PROCEEDING TO COLD SHUTDOWN. THE UE NOTIFICATION WAS FURTHER UPDATED AT | | 1521 HOURS TO INDICATE THAT THE 100 DEG F PER HOUR COOLDOWN RATE HAD BEEN | | EXCEEDED. AT 0227 HOURS ON 9/12/95, REACTOR PRESSURE HAD BEEN REDUCED TO | | BELOW 75 PSIG AND ONE LOOP OF SHUTDOWN COOLING WAS PLACED IN SERVICE. THE | | EMERGENCY DIRECTOR (SHIFT MANAGER) COMPLETED THE EVENT RECOVERY CHECKLIST | | AND TERMINATED THE UE AT 0227 HOURS. AT 0430 HOURS UNIT 1 WAS IN COLD | | SHUTDOWN WITH REACTOR COOLANT AT 194 DEG F." | | | | "EFFORTS CONTINUE TO DETERMINE THE CAUSE OF THE SRV MALFUNCTION." | | | | THE LICENSEE INFORMED STATE, LOCAL AGENCIES AND THE NRC RESIDENT INSPECTOR. | | NOTIFIED R1DO(RULAND). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29318 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 09/12/95 | |UNIT: [ ] [ ] [3] STATE: IL |NOTIFICATION TIME: 04:39 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 09/12/95 | +------------------------------------------------+EVENT TIME: 03:00[CDT]| |NRC NOTIFIED BY: JOE WALECH |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N Y 6 STARTUP | 6 STARTUP | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION SHUTDOWN DUE TO HPCI BEING DECLARED INOPERABLE. | | | | ON SEPTEMBER 11, 1995 AT 2355 CDT WHILE PERFORMING THE LOW PRESSURE HPCI | | SURVEILLANCE TEST DURING REACTOR STARTUP, A HPCI EXHAUST DRAIN POT HIGH | | LEVEL ALARM WAS RECEIVED AND WOULD NOT CLEAR. THE HPCI TURBINE WAS MANUALLY | | TRIPPED AND THE HPCI SYSTEM WAS SUBSEQUENTLY DECLARED INOPERABLE. DUE TO | | THE LICENSEE'S INABILITY TO COMPLETE HPCI LOW PRESSURE STARTUP TESTING | | WITHIN THE 12 HOUR STARTUP TIME CLOCK FOR HPCI, AN ORDERLY SHUTDOWN WAS | | INITIATED AT 0300 CDT ON SEPTEMBER 12, 1995. THE CAUSE OF THE EXHAUST DRAIN | | POT HIGH LEVEL IS UNKNOWN AT THIS TIME AND AN INVESTIGATION IS UNDERWAY. | | LICENSEE IS IN TECHNICAL SPECIFICATION 3.5.C.3 (WHICH STATES THAT WITH HPCI | | DECLARED INOPERABLE REACTOR VESSEL DOME PRESSURE MUST BELOW 150 psig WITHIN | | THE NEXT 24 HOURS) AND ALSO IN A TECHNICAL SPECIFICATION REQUIRED SHUTDOWN. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 29319 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UNIVERSITY OF WISCONSIN/MADISON |NOTIFICATION DATE: 09/12/95 | | CITY: MADISON REGION: 3 |NOTIFICATION TIME: 13:46 [ET]| | COUNTY: STATE: WI |EVENT DATE: 09/12/95 | |LICENSE#: 4809843-28 AGREEMENT: N |EVENT TIME: 09:50[CDT]| | DOCKET: |LAST UPDATE DATE: 09/12/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN MADERA RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: BRESELL | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | |IBBF 30.50(b)(2)(ii) EQUIP DISABLED/FAILS | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE UNIVERSITY OF WISCONSIN/MADISON REPORTED THAT TWO INDIVIDUALS | | CIRCUMVENTED AN INTERLOCK ON AN INCLOSED IRRADIATOR. | | | | THE INDIVIDUALS INTENTIONALLY DISABLED AN INTERLOCK WHICH PREVENTS THE | | SAMPLE CHAMBER FROM DROPPING WHILE THE DOORS OF THE IRRADIATOR ARE OPEN. | | WHEN THEY DID THIS, IT RESULTED IN THE TWO INDIVIDUALS GETTING AN EXPOSURE | | OF 12-20MR FOR A 4 SECOND PERIOD. THIS OCCURRED DURING AN UNAPPROVED | | MAINTENANCE ACTIVITY WHICH INVOLVED REPAIR WORK TO THE SAMPLE CHAMBER. WHEN | | THE SAMPLE CHAMBER DROPPED WITH THE IRRADIATOR DOORS OPEN, THE AREA | | RADIATION MONITOR ALARMS WENT OFF AND THE INDIVIDUALS RECEIVED A 4 SECOND | | EXPOSURE FROM THE SAMPLE. THE LICENSEE HAS CONTACTED REGION 3. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29320 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 09/12/95 | |UNIT: [1] [2] [ ] STATE: SC |NOTIFICATION TIME: 15:39 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/12/95 | +------------------------------------------------+EVENT TIME: 10:25[EDT]| |NRC NOTIFIED BY: WILLIAMS |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED A CONFIRMED TEST DURING A RANDOM SCREEN FOR ALCOHOL. | | | | THE INDIVIDUAL IS A SHIFT SUPERVISOR AND LICENSED REACTOR OPERATOR, BUT HAS | | NOT PERFORMED IN THOSE POSITIONS FOR 1-1/2 YEARS. THE INDIVIDUAL IS | | CURRENTLY AN INSTRUCTOR AND WAS WORKING ON LESSON PLANS OUTSIDE THE | | PROTECTED AREA BEFORE BEING TESTED. THEY WILL REVIEW ALL WORK PERFORMED BY | | THE INDIVIDUAL PRIOR TO TODAYS TEST. HIS SECURITY BADGE IS ON HOLD PENDING | | AN ASSESSMENT BY THE EMPLOYEE ASSISTANCE CONSULTANT. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 29321 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: OHIO STATE UNIVERSITY |NOTIFICATION DATE: 09/12/95 | | CITY: COLUMBUS REGION: 3 |NOTIFICATION TIME: 16:26 [ET]| | COUNTY: STATE: OH |EVENT DATE: 09/12/95 | |LICENSE#: 34-00293-02 AGREEMENT: N |EVENT TIME: 09:00[EDT]| | DOCKET: |LAST UPDATE DATE: 09/12/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN MADERA RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: ALLGEIER | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |IBAC 30.50(b)(1)(i) ACCESS DENIED >24 HRS | | |IBAE 30.50(b)(1)(iii) ACCESS DENIED OTHER | | |IBAD 30.50(b)(1)(ii) MATL >5X LOWEST LIMIT | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OHIO STATE UNIVERSITY REPORTED THAT A PATIENT RECEIVED 75 MILLICURIES OF | | IODINE-131 IN THE FORM OF SODIUM IODIDE ON 9/11/95. THIS MORNING AT 07:00 | | THE PATIENT USED THE BATHROOM AND THERE WAS A PLUMBING PROBLEM WITH THE | | WASTE LINE AND IODINE-131 CONTAMINATED WASTE WATER SPILLED ON THE FLOOR OF | | THE ADJACENT ROOM. THE PATIENT ASSIGNED TO THE ADJACENT ROOM WAS NOT IN THE | | ROOM AT THE TIME. THERE WAS WATER ON THE BATHROOM FLOOR AND THE CARPET. THE | | CARPET WAS REMOVED AND THE STANDING WATER WAS CLEANED UP. THE MAXIMUM | | RADIATION LEVEL AT CONTACT AFTER CLEANUP WAS 3 MILLIREM/HR. IN GENERAL THE | | RADIATION LEVEL WAS LESS THAN .2 MILLIREM/HR. FURTHER CLEANUP AND PLUMBING | | REPAIR WILL BE MADE TOMORROW. THERE WAS NO EVIDENCE THAT ANY WATER LEAKED | | TO THE ROOMS BELOW AND BOTH ROOMS HAVE BEEN SECURED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29322 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 09/12/95 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 17:35 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 09/12/95 | +------------------------------------------------+EVENT TIME: 17:00[EDT]| |NRC NOTIFIED BY: FRITZ |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RULAND RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED PEASE AFB OF A TWIN ENGINE JET WHICH MADE SEVERAL LOW | | APPROACHES ON THEIR CONTAINMENT BUILDING. | | | | THE JET WHICH WAS LISTED TO RAYTHEON MADE APPROXIMATELY 5 LOW | | ALTITUDE(APPROX 500 FT) APPROACHES TO THEIR CONTAINMENT BUILDING. IT WAS | | LATER DISCOVERED THAT THEY WERE PERFORMING THERMAL IMAGERY ON THE | | LICENSEE'S CONTAINMENT WITHOUT INFORMING THEM IN ADVANCE. THE RI WAS | | INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29323 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 09/12/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 17:45 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 09/12/95 | +------------------------------------------------+EVENT TIME: 17:25[EDT]| |NRC NOTIFIED BY: LARRY MOFFAST |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 97 POWER OPERATION | 97 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT 3 BRIEFLY ENTERED TS 3.0.3 DUE TO THE NUCLEAR SERVICES CLOSED CYCLE | | COOLING (SW) SYSTEM BEING DECLARED INOPERABLE PLACING THE UNIT OUTSIDE ITS | | DESIGN BASIS. | | | | "DURING PREPARATION FOR A NUCLEAR SERVICES CLOSED CYCLE COOLING (SW) SYSTEM | | FLOW BALANCE, IT WAS DISCOVERED THAT THE FLOW CONTROL VALVE TO AN IDLE | | CONTROL COMPLEX CHILLER COULD FAIL OPEN ON A LOSS OF OFFSITE POWER. THIS | | WOULD DIVERT APPROXIMATELY 840 GALLONS PER MINUTE SW FLOW FROM THE EXISTING | | SW LOADS. THIS COULD LEAD TO INSUFFICIENT FLOW TO OTHER SW COOLED | | COMPONENTS, AND THEREFORE THE SW SYSTEM IS OUTSIDE IT DESIGN BASIS. THE | | VALVE TO THE IDLE CONTROL COMPLEX CHILLER HAS BEEN PLACED UNDER | | ADMINISTRATIVE CONTROL TO PRECLUDE THIS EVENT IN THE SHORT TERM." | | | | THE UNIT BRIEFLY ENTERED TS 3.0.3 FROM 1725 TO 1742 HOURS WHILE OPERATORS | | ISSUED A TAG TO ISOLATE THE IDLE CHILLER. NO POWER REDUCTION OCCURRED | | DURING THIS PERIOD OF TIME DUE TO THE 1 HOUR ALLOWED FOR CORRECTION. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29324 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 09/12/95 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 17:55 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 09/12/95 | +------------------------------------------------+EVENT TIME: 15:55[CDT]| |NRC NOTIFIED BY: SCHARES |LAST UPDATE DATE: 09/12/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |AESS 50.72(b)(1)(v) EMERGENCY SIREN INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 88 POWER OPERATION | 88 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE WAS REPORTING THAT ALL EMERGENCY SIRENS IN WHITESIDE COUNTY | | ILL WERE INOPERABLE. | | | | THE EMERGENCY SIRENS WERE DECLARED INOPERABLE DUE TO A FAILED ENCODER. THE | | LICENSEE WAS NOTIFIED THAT PEOPLE HAVE BEEN DISPATCHED TO MAKE REPAIRS, BUT | | AS OF 16:55 REPAIRS HAVE NOT BEEN COMPLETED. THE RI WAS NOTIFIED ALONG WITH | | STATE AND LOCAL AGENCIES. | | | | ***UPDATE AT 20:07 FROM SCHARES TO GOULD*** EMERGENCY SIRENS RETURNED TO | | SERVICE AT 18:57. THE RI WILL BE INFORMED. REG 3(MADERA) WAS NOTIFIED. | +------------------------------------------------------------------------------+