U.S. Nuclear Regulatory Commission Operations Center Event Reports For 11/09/95 - 11/13/95 ** EVENT NUMBERS ** 29577 29578 29579 29580 29581 29582 29583 29584 29585 29586 29587 29588 29589 29590 29591 29592 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29577 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PRAIRIE ISLAND REGION: 3 |NOTIFICATION DATE: 11/09/95 | |UNIT: [1] [2] [ ] STATE: MN |NOTIFICATION TIME: 15:53 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 11/08/95 | +------------------------------------------------+EVENT TIME: 16:50[CST]| |NRC NOTIFIED BY: CRAIG JOHNSON |LAST UPDATE DATE: 11/09/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN JACOBSON 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 +------------------------------------------------------------------------------+ | AN INSTRUCTOR IN THE LICENSEE'S TRAINING CENTER TESTED POSITIVE FOR A | | CONTROLLED SUBSTANCE. HIS ACCESS TO THE LICENSE'S FACILITIES HAS BEEN | | SUSPENDED. HIS NORMAL WORK DOES NOT CAUSE HIM TO BE INSIDE THE PROTECTED | | AREA, AND A CHECK OF ENTRY RECORDS SHOWED THAT HE HAD NOT ENTERED THE | | PROTECTED AREA FOR AT LEAST THE LAST FIVE DAYS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29578 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 11/09/95 | |UNIT: [1] [ ] [ ] STATE: MD |NOTIFICATION TIME: 16:13 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 11/09/95 | +------------------------------------------------+EVENT TIME: 15:01[EST]| |NRC NOTIFIED BY: DAVID LYNCH |LAST UPDATE DATE: 11/09/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN RDO | |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 STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT WAS MANUALLY TRIPPED IN ANTICIPATION OF AN AUTOMATIC TRIP. | | | | FAILURE OF A MAIN FEED WATER REGULATING VALVE CAUSED OVER FEED OF STEAM | | GENERATOR "11". THE OPERATORS MANUALLY TRIPPED THE REACTOR IN ANTICIPATION | | OF A HIGH STEAM GENERATOR LEVEL TRIP. ALL CONTROL RODS FULLY INSERTED | | FOLLOWING THE TRIP. AUXILIARY FEED WATER AUTOMATICALLY INITIATED DUE TO | | STEAM GENERATOR LEVEL SHRINK FOLLOWING THE TRIP. THE MAIN STEAM ISOLATION | | VALVES WERE MANUALLY CLOSED PER PROCEDURE DUE TO OBSERVATION OF OVER | | COOLING FOLLOWING THE TRIP. DECAY HEAT IS BEING REMOVED VIA ATMOSPHERIC | | DUMP VALVES. THE LICENSEE HAS NOT OBSERVED ANY SECONDARY SIDE ACTIVITY, | | AND IS IN THE PROCESS OF RECOVERING USE OF THE MAIN CONDENSER. THE | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29579 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 11/09/95 | |UNIT: [1] [2] [ ] STATE: NJ |NOTIFICATION TIME: 23:49 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 11/09/95 | +------------------------------------------------+EVENT TIME: 22:50[EST]| |NRC NOTIFIED BY: BRYAN HAMILTON |LAST UPDATE DATE: 11/09/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN 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 | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -TSC EMERGENCY DIESEL FAILED MONTHLY OPERABILITY CHECK- | | | | DURING THE PERFORMANCE OF A MONTHLY OPERABILITY CHECK, THE TSC EDG FAILED | | TO START. THE TEST SIMULATED A LOSS OF THE NORMAL POWER SUPPLY. THE EDG | | FAILED TO START AS REQUIRED. AN INVESTIGATION IS IN PROGRESS TO DETERMINE | | THE CAUSE OF THE FAILURE. | | | | NORMAL POWER IS AVAILABLE TO THE TSC. SHOULD NORMAL POWER BE LOST TO THE | | TSC, SOME SUPPORTING SYSTEMS WOULD NOT BE AVAILABLE. THESE INCLUDE | | VENTILATION, SOME COMPUTERS, NORMAL LIGHTING, AND MISCELLANEOUS OFFICE | | EQUIPMENT. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29580 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT SAINT VRAIN REGION: 4 |NOTIFICATION DATE: 11/10/95 | |UNIT: [1] [ ] [ ] STATE: CO |NOTIFICATION TIME: 02:47 [ET]| |RX TYPE: [1] GA (GENERAL ATOMIC) |EVENT DATE: 11/09/95 | +------------------------------------------------+EVENT TIME: 22:45[MST]| |NRC NOTIFIED BY: STAN KOLESKI |LAST UPDATE DATE: 11/10/95 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CAIN 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 N 0 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION - A MAN WENT TO A LOCAL HOSPITAL SAYING HE WAS | | OVEREXPOSED - | | | | THE LICENSEE NOTIFIED THE COLORADO DEPARTMENT OF HEALTH OF THIS EVENT. A | | MAN REPORTED TO ST. ANTHONY'S HOSPITAL IN DENVER STATING THAT HE HAD | | RADIATION BURNS ON HIS ARMS. A SURVEY CONDUCTED BY HOSPITAL STAFF DID NOT | | REVEAL ANY CONTAMINATION. A LOCAL HAZMAT TEAM (WEST MINISTER FIRE | | DEPARTMENT) HAS BEEN CALLED. THE MAN DOES HAVE A RED SPOT ON EACH FOREARM. | | | | THE MAN BELIEVES THE JACKET WAS CONTAMINATED WHEN HE WAS ONSITE ON TUESDAY. | | THE LICENSEE STATED THAT THE MAN HAD NOT BEEN IN ANY CONTAMINATED AREAS. | | THE MAN BELIEVES HIS JACKET WAS CONTAMINATED WHEN HE TOOK IT OFF TO GET HIS | | WHOLE BODY COUNT. HE STATED THAT HE PLACED IT ON TOP OF SOME VIALS. THE | | LICENSEE DOES NOT KNOW OF ANY VIALS THAT WOULD HAVE BEEN PRESENT NEAR THE | | COUNTER, BUT THEY ARE INVESTIGATING. | | | | THE WHOLE BODY COUNT WAS PERFORMED IN A SERVICE BUILDING. THERE ARE SOME | | LABS IN THE BUILDING FOR PERFORMING COUNTS ON POTENTIALLY RADIOACTIVE | | MATERIAL. THERE ARE NO KNOWN CONTAMINATED AREAS. THE MAN EXITED THE SITE | | WITHOUT SETTING OFF THE PORTAL MONITOR. | | | | INVESTIGATION CONTINUES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 29581 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SHILTZ, GRAVES & ASSOC. |NOTIFICATION DATE: 11/10/95 | | CITY: SOUTHBEND REGION: 3 |NOTIFICATION TIME: 08:30 [ET]| | COUNTY: ST. JOSEPH STATE: IN |EVENT DATE: 11/09/95 | |LICENSE#: 13-18528-01 AGREEMENT: N |EVENT TIME: 15:00[EST]| | DOCKET: |LAST UPDATE DATE: 11/10/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN JACOBSON RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: JOHN WARNER | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SHILTZ, GRAVES & ASSOC. REPORTED THAT A DENSITY GAUGE HAS BEEN DAMAGED | | | | A DENSITY GAUGE WAS RUN OVER BY A BACK HOE. THE RADIATION SAFETY OFFICER | | WAS CALLED TO THE SCENE AND SURVEYED THE AREA. NO CONTAMINATION WAS FOUND | | IN THE AREA. THE SOURCE ROD WAS IN THE SHIELDED POSITION AT THE TIME OF | | THE ACCIDENT. THE SOURCE ROD WAS BENT, BUT DOES NOT APPEAR TO BE LEAKING. | | | | RADIATION LEVELS WERE 0.8 TO 1.0 mR/HR AT 1 FOOT FROM THE GAUGE. THE GAUGE | | HAS BEEN TRANSPORTED BACK TO THE COMPANY'S STORAGE LOCATION IN SOUTH BEND. | | THE GAUGE CONTAINS Cs-137 AND AmBe SOURCES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29582 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CRYSTAL RIVER REGION: 2 |NOTIFICATION DATE: 11/10/95 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 13:43 [ET]| |RX TYPE: [3] B&W-L-LP |EVENT DATE: 11/10/95 | +------------------------------------------------+EVENT TIME: 12:00[EST]| |NRC NOTIFIED BY: WALT NEUMAN |LAST UPDATE DATE: 11/10/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE EMERGENCY OPERATING PROCEDURE (EOP) FOR HIGH PRESSURE INJECTION (HPI) | | DOES NOT ADDRESS REACTOR COOLANT PUMP (RCP) SEAL FLOW. THE EXTRA 40 GPM | | SEAL FLOW MIGHT LEAD TO PUMP RUN OUT, WHICH COULD CAUSE PUMP DAMAGE. | | | | THE LICENSEE DETERMINED THAT A PROCEDURAL INADEQUACY COULD LEAD THE | | OPERATORS TO UNDER-EVALUATE HPI FLOW. THIS ACT COULD ENDANGER THE HPI PUMP | | DURING AN INJECTION ACTUATION. THE EOP REQUIRES THAT HPI FLOW BE BALANCED | | IN THE FOUR INJECTION LEGS, BUT DOES NOT REQUIRE THE OPERATOR TO ACCOUNT | | FOR THE SEAL INJECTION FLOW GOING TO THE RCPs. THIS COULD LEAD TO | | ESTABLISHING TOO MUCH FLOW, LEADING TO PUMP RUN OUT, WHICH COULD ENDANGER | | THE PUMP. | | | | THE SURVEILLANCE TEST IS CONDUCTED DURING REFUELING WHEN THE VESSEL HEAD IS | | REMOVED. THE EOP WILL BE REWRITTEN DIRECTING THE OPERATOR TO ISOLATE RCP | | SEAL FLOW DURING AN HPI EVENT. THE LICENSEE WILL INFORM THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29583 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 11/10/95 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 15:12 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 11/10/95 | +------------------------------------------------+EVENT TIME: 14:22[EST]| |NRC NOTIFIED BY: JOHN JACKSON |LAST UPDATE DATE: 11/11/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |JACK ROE EO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS |JOHN DAMICO FEMA | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION |LARRY NICHOLSON | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 86 POWER OPERATION | 77 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED DUE TO A TECH SPEC REQUIRED SHUT DOWN, LOSS OF | | PRIMARY CONTAINMENT INTEGRITY. | | | | A ONE HOUR LCO PER TECH SPEC 3.6.1.1 WAS ENTERED AT 1344 EST DUE TO A | | SURVEILLANCE TEST FAILURE. THE TEST WAS AN 18 MONTH DRYWELL TO SUPPRESSION | | CHAMBER BYPASS LEAK TEST IN ACCORDANCE WITH TECH SPEC 4.6.2.1.e. THE TEST | | ESTABLISHES A DIFFERENTIAL PRESSURE BETWEEN THE DRYWELL AND THE SUPPRESSION | | CHAMBER AND QUANTIFIES THE LEAKAGE RATE. THE TEST WAS ABORTED BY THE | | LICENSEE DUE TO INABILITY TO ESTABLISH THE REQUIRED DIFFERENTIAL PRESSURE. | | | | TECH SPEC 3.6.1.1 ACTIONS REQUIRE PRIMARY CONTAINMENT BE RESTORED WITHIN | | ONE HOUR OR BE IN AT LEAST HOT SHUTDOWN WITHIN THE NEXT 12 HOURS AND COLD | | SHUTDOWN WITHIN THE FOLLOWING 24 HOURS. THE LICENSE SUSPECTS A LEAKING | | VACUUM BREAKER. | | | | A UNIT SHUT DOWN IS IN PROGRESS. REFUELING OUTAGE #6 WAS SCHEDULED TO | | START ON 11/11/95. | | | | PRIOR TO THE EVENT THE FOLLOWING EQUIPMENT WAS ALSO INOPERABLE: THE "A" | | STATION SERVICE WATER LOOP AND THE "D" STANDBY GAS TREATMENT SYSTEM RECIRC | | FAN. | | | | THE LICENSEE HAS NOTIFIED LOWER ALLOWAYS CREEK TOWNSHIP, NEW JERSEY AND | | DELAWARE AND MAY ISSUE A PRESS RELEASE. THE LICENSEE ALSO INFORMED THE NRC | | RESIDENT INSPECTOR. | | | | * * * UPDATE AT 2112 EST ON 11/10, FROM MIKE CHARLES TAKEN BY KARSCH * * * | | THE LICENSEE WILL TERMINATE THE UNUSUAL EVENT WHEN THE PLANT REACHES A COLD | | SHUTDOWN CONDITION. THIS IS EXPECTED AT 0800 EST ON 11/11/95. THE | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. R1DO (KINNEMAN) NOTIFIED. | | | | * * * UPDATE AT 02:15 11/11/95 FROM CHARLES TAKEN BY SEBROSKY * * * | | AT 01:45 THE LICENSEE MANUALLY SCRAMMED THE PLANT FORM 18% POWER IN | | ACCORDANCE WITH THEIR OPERATING PROCEDURES. R1DO(KINNEMAN) NOTIFIED. | | | | * * * UPDATE AT 1648 EST ON 11/11/95 FROM HANDRICKS TAKEN BY KARSCH * * * | | THE LICENSEE ANTICIPATES REACHING COLD SHUTDOWN BY 1900 EST. A PRESS | | RELEASE WILL BE ISSUED. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | R1DO (KINNEMAN) NOTIFIED. | | | | * * * UPDATE AT 2027 EST FROM PRICE TAKEN BY KARSCH * * * | | THE PLANT REACHED COLD SHUTDOWN AT 2008 EST. THE UNUSUAL EVENT WAS | | TERMINATED AT THAT TIME. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | RIDO (KINNEMAN), NRR EO (ROE), FEMA (DAMICO) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29584 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WOLF CREEK REGION: 4 |NOTIFICATION DATE: 11/11/95 | |UNIT: [1] [ ] [ ] STATE: KS |NOTIFICATION TIME: 00:12 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 11/10/95 | +------------------------------------------------+EVENT TIME: 19:42[CST]| |NRC NOTIFIED BY: BRITT MCKINNEY |LAST UPDATE DATE: 11/11/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CAIN RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF THE WEST 345KV BUS CAUSED THE LOSS OF POWER TO THE 'B' ENGINEERED | | SAFEGUARD BUS AND THE SUBSEQUENT STARTING AND LOADING OF THE 'B' EMERGENCY | | DIESEL GENERATOR (EDG). | | | | THE LICENSEE EXPERIENCED A LOSS OF FEED TO ONE OF THE TWO ESF TRANSFORMERS | | (XNB02) CAUSING THE 'B' EDG TO START ON UNDERVOLTAGE. THE TURBINE DRIVEN | | AUXILIARY FEEDWATER (AFW) PUMP STARTED DUE TO LOSS OF VOLTAGE ON THE NB02 | | BUS. THE 'B' SHUTDOWN SEQUENCER ALSO ACTUATED WHICH CAUSED A LOAD SHED AND | | THEN A START OF THE FOLLOWING EQUIPMENT; 'B' CENTRIFUGAL CHARGING PUMP, | | 'B' ESSENTIAL SERVICE WATER (ESW) PUMPS, 'B' COMPONENT COOLING WATER PUMP, | | 'B' CONTROL ROOM AIR CONDITIONING UNIT, 'B' MOTOR DRIVEN AFW PUMP, AND THE | | 'B' CONTAINMENT COOLERS. IN ADDITION THE LICENSEE RECEIVED THE FOLLOWING | | SIGNALS WHICH ACTUATED AS EXPECTED; A CONTROL ROOM VENTILATION ISOLATION | | SIGNAL, A FUEL BUILDING ISOLATION SIGNAL, AND A CONTAINMENT PURGE ISOLATION | | SIGNAL. | | | | THE 'B' EDG IS STILL SUPPLYING POWER TO THE BUS. THE LICENSEE IS | | INVESTIGATING THE CAUSE OF THE LOSS OF POWER TO THE ESF TRANSFORMER. THE | | LICENSEE IS EXPERIENCING SOME SEVERE WEATHER IN THE AREA (RAIN, THEN | | FREEZING RAIN, AND NOW CURRENTLY SNOW). THREE SOURCES OF OFFSITE POWER | | REMAIN AVAILABLE TO THE SWITCHYARD AT THIS TIME. THE LICENSEE HAS ENTERED A | | 72 HOUR LCO DUE TO THE LOSS OF THE NB02 BUS. | | | | THE LICENSEE HAS SECURED ALL THE EQUIPMENT THAT STARTED DUE TO THE SHUTDOWN | | SEQUENCER WITH THE EXCEPTION OF THE ESW PUMPS. IN ADDITION THE LICENSEE | | HAS CHOSEN NOT TO RESTORE THE CONTROL ROOM VENTILATION ISOLATION LINEUP AT | | THIS TIME. THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29585 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SURRY REGION: 2 |NOTIFICATION DATE: 11/11/95 | |UNIT: [1] [2] [ ] STATE: VA |NOTIFICATION TIME: 00:23 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 11/10/95 | +------------------------------------------------+EVENT TIME: 23:40[EST]| |NRC NOTIFIED BY: JOHN ROSENBERGER |LAST UPDATE DATE: 11/11/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF THE SAFETY PARAMETER DISPLAY SYSTEM (SPDS) FOR APPROXIMATELY 2.5 | | HOURS. | | | | AT 2340 IT WAS NOTED THAT THE EMERGENCY RESPONSE FACILITIES COMPUTER SYSTEM | | (ERFCS) HAD STOPPED UPDATING PARAMETER VALUES AT 2126. THIS RENDERED THE | | SPDS INOPERABLE REQUIRING A REPORT DUE TO A MAJOR LOSS OF EMERGENCY | | ASSESSMENT CAPABILITY FOR GREATER THAN ONE HOUR. | | | | THE TWO DATA COMPUTER PROCESSORS ASSOCIATED WITH THE ERFCS WERE MANUALLY | | FAILED OVER, AND THIS CAUSED THE ERFCS TO BEGIN OPERATING PROPERLY. THE | | ERFCS PARAMETERS WERE VERIFIED TO BE UPDATING CONSISTENT WITH CURRENT PLANT | | CONDITIONS, AND A CHECK OF MINIMUM OPERABILITY REQUIREMENTS WAS COMPLETED | | SATISFACTORILY. THE SPDS WAS DECLARED OPERABLE AT 23:56. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29586 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 11/11/95 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 03:23 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 11/11/95 | +------------------------------------------------+EVENT TIME: 02:25[EST]| |NRC NOTIFIED BY: GRANT FERNSLER |LAST UPDATE DATE: 11/11/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 20 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE MADE A COURTESY NOTIFICATION DUE TO A PLANNED SHUTDOWN TO | | REPAIR A STATOR WATER COOLING LEAK IN THE MAIN GENERATOR. | | | | THE STATOR WATER COOLING LEAK DEVELOPED APPROXIMATELY TWO WEEKS AGO AND HAS | | GOTTEN PROGRESSIVELY WORSE. THE LICENSEE DECIDED TO TAKE THE UNIT OFF-LINE | | TO REPAIR THE LEAK. THE UNIT WAS MANUALLY SCRAMMED BY PLACING THE MODE | | SWITCH IN THE 'SHUTDOWN' POSITION. | | | | THE POST SCRAM RESPONSE WAS NORMAL AND ALL EMERGENCY CORE COOLING SYSTEMS | | AND EMERGENCY DIESEL GENERATORS ARE OPERABLE. THE LICENSEE EXPECTS THE | | REPAIRS TO TAKE APPROXIMATELY SEVEN DAYS. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR AND HAS ISSUED A PRESS | | RELEASE ON THE PLANNED SHUTDOWN. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29587 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 4 |NOTIFICATION DATE: 11/11/95 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 05:27 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 11/11/95 | +------------------------------------------------+EVENT TIME: 03:30[CST]| |NRC NOTIFIED BY: WALTER CADE |LAST UPDATE DATE: 11/11/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CAIN RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 90 POWER OPERATION | 90 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE DIVISION III EMERGENCY DIESEL GENERATOR (EDG) AUTOMATICALLY STARTED DUE | | TO A GRID DISTURBANCE. | | | | THE GRID DISTURBANCE ON THE 500 KV LINE CAUSED THE BREAKER FOR THE DIVISION | | III ESF BUS (152705) TO OPEN AT 03:30 CST. THE OPENING OF THE BREAKER | | CAUSED AN UNDERVOLTAGE CONDITION AND THE SUBSEQUENT AUTOMATIC START AND | | LOADING OF THE DIVISION III EDG. OFF-SITE POWER WAS RESTORED TO THE BUS AT | | 03:55 CST. THE LICENSEE IS CONTINUING TO RUN THE DIVISION III EDG IN | | PARALLEL WITH THE GRID AS PART OF THEIR NORMAL PROCEDURE FOLLOWING AN EDG | | START. | | | | NO EQUIPMENT OTHER THAN THE EDG STARTED AS A RESULT OF THIS EVENT. THE | | LICENSEE IS CONTINUING TO INVESTIGATE THE PROBLEM. AT THIS TIME THE | | PROBLEM APPEARS TO BE CAUSED BY A TIE LINE BETWEEN THE TVA AND THE ENTERGY | | SYSTEM. PRIOR TO THE EVENT A BREAKER IN THIS LINE OPENED CAUSING A VOLTAGE | | AND FREQUENCY OSCILLATION OF THE 500 KV GRID TO WHICH GRAND GULF IS | | CONNECTED. EVIDENTLY WHEN THE LOAD DISPATCHER ATTEMPTED TO CLOSE THIS | | BREAKER IT OPENED AGAIN AND CAUSED A SECOND GRID DISTURBANCE. THIS SECOND | | GRID DISTURBANCE IS WHAT CAUSED THE 152705 BREAKER TO OPEN. | | | | ALL OFFSITE POWER SUPPLIES REMAIN AVAILABLE TO THE PLANT, CONSEQUENTLY THE | | UNIT IS NOT IN ANY TECH SPEC ACTION STATEMENT BECAUSE OF THIS PROBLEM. | | PRIOR TO THE EVENT THE DIVISION I ESF BUS WAS POWERED BY ESF TRANSFORMER 11 | | AND DIVISION II AND III WERE POWERED THROUGH ESF TRANSFORMER 21. THE | | BREAKER SUPPLYING POWER TO DIVISION III IS MORE SENSITIVE TO GRID | | DISTURBANCES THEN THE BREAKERS THAT SUPPLY DIVISION II OR DIVISION I. THE | | LICENSEE BELIEVES THAT THIS IS THE REASON THAT ONLY BREAKER 152705 OPENED | | AS A RESULT OF THE GRID DISTURBANCE. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 29588 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: RADIOPHARMACY INC. |NOTIFICATION DATE: 11/11/95 | | CITY: EVANSVILLE REGION: 3 |NOTIFICATION TIME: 08:49 [ET]| | COUNTY: STATE: IN |EVENT DATE: 11/11/95 | |LICENSE#: AGREEMENT: N |EVENT TIME: 03:00[CST]| | DOCKET: |LAST UPDATE DATE: 11/11/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN JACOBSON RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: MATTHEW BROSHEARS | | |HQ OPS OFFICER: JOSEPH SEBROSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB1 20.2201(a)(1)(i) LOST/STOLEN LNM>1000X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | RADIOPHARMACY INC. OF EVANSVILLE, INDIANA CALLED TO REPORT THE LOSS OF A 3 | | CURIE TC-99M GENERATOR. | | | | A GENERATOR WAS DELIVERED TO THE FACILITY AT APPROXIMATELY 03:00 CT BY | | ASSOCIATED COURIERS. SHORTLY AFTER THE DELIVERY THE RADIATION SAFETY | | OFFICER (RSO) FOR RADIOPHARMACY INC. DISCOVERED THAT THE GENERATOR THAT WAS | | DELIVERED WAS A 1 CURIE TC-99M GENERATOR FOR MUHLENBERG COMMUNITY HOSPITAL | | IN GREENVILLE KENTUCKY. THE RSO CONTACTED THE SHIPPER OF THE MATERIAL | | (MALLINCKRODT OF SAINT LOUIS, MISSOURI) ABOUT THE PROBLEM. THE RSO HAS | | ALSO ALERTED MUHLENBERG COMMUNITY HOSPITAL ABOUT THE PROBLEM, HOWEVER, THE | | CARRIER HAS YET TO MAKE THE SCHEDULED DELIVERY TO THIS FACILITY. | | | | MALLINCKRODT HAS BEEN IN CONTACT WITH ASSOCIATED COURIERS ABOUT THE PROBLEM | | TO TRY TO DETERMINE THE LOCATION OF THE GENERATOR. THE RSO IS CONTINUING | | TO TRY TO CONTACT ASSOCIATED COURIERS ABOUT THE PROBLEM. | | | | * * * UPDATE 09:06 11/11/95 FROM BROSHEARS TAKEN BY SEBROSKY * * * | | ASSOCIATED COURIERS HAS CONTACTED THE RSO. THE ASSOCIATED COURIERS' DRIVER | | WILL BE BACK AROUND 14:30 TODAY TO DELIVER THE CORRECT GENERATOR AND TO | | PICK UP THE GENERATOR FOR MUHLENBERG COMMUNITY HOSPITAL. R3DO(JACOBSON) | | NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29589 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 11/11/95 | |UNIT: [2] [3] [ ] STATE: PA |NOTIFICATION TIME: 14:41 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 11/11/95 | +------------------------------------------------+EVENT TIME: 14:00[EST]| |NRC NOTIFIED BY: DAN DUANE |LAST UPDATE DATE: 11/11/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 67 POWER OPERATION | 67 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AN OIL SHEEN WAS OBSERVED ON THE DISCHARGE CANAL WATER NEAR THE CONDENSER | | OUTLET PIPE. THE LICENSEE CLEANED UP THE OIL WITH A COUPLE OF PADS. | | | | REPORTS WERE FILED WITH THE DOT/NATIONAL RESPONSE CENTER, THE PENNSYLVANIA | | DEPARTMENT OF ENVIRONMENTAL PROTECTION AND THE EMERGENCY MANAGEMENT | | ASSOCIATION. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29590 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NORTH ANNA REGION: 2 |NOTIFICATION DATE: 11/11/95 | |UNIT: [ ] [2] [ ] STATE: VA |NOTIFICATION TIME: 14:45 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 11/11/95 | +------------------------------------------------+EVENT TIME: 12:15[EST]| |NRC NOTIFIED BY: JAMES JOHNSTONE |LAST UPDATE DATE: 11/11/95 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT TRIP DUE TO A TRIP OF THE "B" ROD DRIVE MG SET WITH THE "A" ROD DRIVE | | MG SET TAGGED OUT FOR REPAIR. ALL CONTROL RODS FULLY INSERTED FOLLOWING | | THE TRIP. AUXILIARY FEED WATER INITIATED DUE TO STEAM GENERATOR WATER | | LEVEL SHRINK FOLLOWING THE REACTOR TRIP. DECAY HEAT REMOVAL IS VIA THE | | MAIN CONDENSER. THE UNIT IS STABLE IN HOT STANDBY. RELIABLE OFF-SITE | | POWER IS AVAILABLE. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29591 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 11/12/95 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 06:09 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 11/12/95 | +------------------------------------------------+EVENT TIME: 05:49[EST]| |NRC NOTIFIED BY: CHARLES BRISTOL |LAST UPDATE DATE: 11/12/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 REPORTED THAT WHILE AN OFFICER WAS RETURNING HIS WEAPON IT | | ACCIDENTLY WENT OFF. THERE WERE NO INJURIES AND NO DAMAGE TO ANY EQUIPMENT | | CAUSED BY THE BULLET. (THE BULLET WENT INTO A WALL). THE LICENSEE IS | | INVESTIGATING WHY THE WEAPON DISCHARGED, AND WILL INFORM THE RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29592 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 11/13/95 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 00:59 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 11/12/95 | +------------------------------------------------+EVENT TIME: 22:53[CST]| |NRC NOTIFIED BY: KEITH KNUDTSON |LAST UPDATE DATE: 11/13/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN JACOBSON 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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SAFETY INJECTION (SI) SIGNAL WAS GENERATED DURING TESTING RESULTING IN | | THE ACTUATION OF SEVERAL COMPONENTS. | | | | AN SI SIGNAL WAS GENERATED DURING THE PERFORMANCE OF A SPECIAL TEST | | PROCEDURE (TSSP-9195). THE SAFEGUARD DC POWER BREAKERS WERE ENERGIZED FOR | | THIS TEST TO TROUBLESHOOT VOLTAGE SPIKES INDUCED BY ENERGIZING/ | | DEENERGIZING RELAYS WITHIN THE SAFEGUARDS SYSTEM. UPON CLOSING THE DC | | BREAKERS A LOW PRESSURIZER PRESSURE SI SIGNAL FOR THE "B" TRAIN WAS | | GENERATED. THE "B" TRAIN SI SIGNAL CAUSED SEVERAL COMPONENTS TO START. SOME | | OF THE COMPONENTS THAT STARTED INCLUDE THE FOLLOWING; THE "B" RHR PUMP, | | THREE EMERGENCY DIESEL GENERATORS (EDG), AND COMPONENT COOLING WATER PUMPS | | AND SERVICE WATER PUMPS THAT WERE NOT ALREADY RUNNING. THE SIGNAL ALSO | | CAUSED THE "B" HIGH HEAD CHARGING PUMP TO REALIGN TO THE SAFETY INJECTION | | MODE. | | | | THE THREE EDGS STARTED BUT DID NOT LOAD ONTO THEIR RESPECTIVE BUSSES. THE | | "B" RHR PUMP THAT STARTED DID NOT INJECT ANY ADDITIONAL WATER INTO THE | | PRIMARY PLANT BECAUSE ONLY ONE OF THE TWO VALVES IN SERIES TO THE REFUELING | | WATER STORAGE TANK OPENED. THIS IS PER DESIGN AND IS THE EXPECTED PLANT | | RESPONSE. THE SUCTION SOURCE FOR THE "B" RHR PUMP WAS THE PRIMARY PLANT | | COOLANT LOOPS. THIS IS THE SAME SUCTION SOURCE FOR THE "A" RHR PUMP THAT | | WAS RUNNING PRIOR TO THE EVENT IN THE SHUTDOWN COOLING MODE OF OPERATION. | | | | THE "B" CHARGING PUMP THAT WAS RUNNING PRIOR TO THE EVENT REALIGNED TO THE | | SAFETY INJECTION MODE. THIS REALIGNMENT CAUSED AN INJECTION OF | | APPROXIMATELY 500 GALLONS INTO THE PRIMARY PLANT FROM THE REFUELING WATER | | STORAGE TANK. THIS HAD LITTLE EFFECT ON THE PLANT BECAUSE PRIOR TO THE | | EVENT THE PRIMARY PLANT WAS DRAINED DOWN TO THE 588 FOOT ELEVATION (NO | | LEVEL IN THE PRESSURIZER). | | | | OTHER COMPONENTS THAT WOULD HAVE NORMALLY STARTED WERE EITHER OUT OF | | SERVICE FOR MAINTENANCE (e.g. THE "B" SAFETY INJECTION PUMP), TAGGED OUT AS | | REQUIRED BY TECHNICAL SPECIFICATIONS, OR ALREADY RUNNING (e.g. SOME OF THE | | COMPONENT COOLING WATER AND SERVICE WATER PUMPS). THE PLANT WAS | | STABILIZED, THE SI SIGNAL WAS RESET, AND OPERATORS HAVE RETURNED THE | | EQUIPMENT THAT STARTED TO THEIR NORMAL LINEUPS. | | | | THE TEST PROCEDURE THAT INADVERTENTLY CAUSED THE SI SIGNAL WAS BEING | | PERFORMED FOR THE FIRST TIME. THE PROCEDURE WAS TITLED "EAGLE 21 | | PROTECTION SET II RACK 8 RELAY ACTUATION TEST". THIS SPECIAL TEST WAS | | BEING PERFORMED BECAUSE THE LICENSEE WAS TRYING TO DETERMINE WHY VOLTAGE | | SPIKES INDUCED BY ENERGIZING/DEENERGIZING RELAYS ON THE SAFEGUARDS SYSTEM | | WERE CAUSING SPURIOUS REACTOR PROTECTION SYSTEM (RPS) SIGNALS. AT THIS | | TIME, THE LICENSEE IS INVESTIGATING THE CAUSE OF THE LOW PRESSURIZER | | PRESSURE SI SIGNAL. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+