U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/07/96 - 05/08/96 ** EVENT NUMBERS ** 30425 30426 30427 30428 30429 30430 30431 30432 30433 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30425 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 05/07/96 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 08:50 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 07:45[EDT]| |NRC NOTIFIED BY: RUMBIN |LAST UPDATE DATE: 05/07/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD URBAN 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 +------------------------------------------------------------------------------+ | LICENSEE WILL NOTIFY THE STATE OF NEW JERSEY REGARDING A FISH KILL. | | | | THE LICENSEE WILL NOTIFY THE NEW JERSEY DEPARTMENT OF ENVIRONMENTAL | | PROTECTION REGARDING A KILL OF APPROXIMATELY 900 FISH IN THE PLANT | | DISCHARGE CANAL. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE | | LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30426 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 05/07/96 | |UNIT: [1] [2] [ ] STATE: NC |NOTIFICATION TIME: 11:22 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 08:50[EDT]| |NRC NOTIFIED BY: MCCORKLE |LAST UPDATE DATE: 05/07/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PIERCE SKINNER 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 | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE MECKLENBURG COUNTY FIRE MARSHALL OF AN AUTOMOBILE | | FIRE WHICH OCCURRED IN A SITE PARKING LOT. | | | | AN AUTOMOBILE PARKED IN A PARKING LOT IN THE OWNER CONTROLLED AREA, BUT | | OUTSIDE THE PLANT PROTECTED AREA, CAUGHT FIRE AND BURNED FOR APPROXIMATELY | | 11 MINUTES BEFORE BEING EXTINGUISHED BY THE ONSITE FIRE BRIGADE. NO | | PERSONNEL INJURIES OR DAMAGE TO PLANT EQUIPMENT OCCURRED. THE LICENSEE | | NOTIFIED THE MECKLENBURG COUNTY FIRE MARSHALL AND THE NRC RESIDENT | | INSPECTOR. THE LICENSEE DOES NOT PLAN TO ISSUE A PRESS RELEASE AT THIS | | TIME. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30427 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HARRIS REGION: 2 |NOTIFICATION DATE: 05/07/96 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 11:40 [ET]| |RX TYPE: [1] W-3-LP |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 09:05[EDT]| |NRC NOTIFIED BY: PALMER |LAST UPDATE DATE: 05/07/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PIERCE SKINNER 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 +------------------------------------------------------------------------------+ | LICENSEE NOTIFIED STATE AND COUNTY AGENCIES REGARDING OIL SPILL ONSITE | | | | THE LICENSEE NOTIFIED STATE AND COUNTY AGENCIES REGARDING THE SPILL OF | | APPROXIMATELY 18 GALLONS OF HYDRAULIC OIL ONTO A GRAVEL AREA WITHIN THE | | PROTECTED AREA. THE OIL SPILL IS CURRENTLY BEING CLEANED UP. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30428 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAN ONOFRE REGION: 4 |NOTIFICATION DATE: 05/07/96 | |UNIT: [ ] [2] [3] STATE: CA |NOTIFICATION TIME: 13:41 [ET]| |RX TYPE: [1] W-3-LP,[2] CE,[3] CE |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 08:40[PDT]| |NRC NOTIFIED BY: CLAY WILLIAMS |LAST UPDATE DATE: 05/07/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN 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 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - 2,000 GALLONS OF LOW pH NON-RADIOACTIVE WATER RELEASED TO PACIFIC OCEAN - | | | | AT 0840 (PDT) ON 05/07/96, THE LICENSEE NOTIFIED THE SAN DIEGO COUNTY | | DEPARTMENT OF HEALTH SERVICES, CALIFORNIA OFFICE OF EMERGENCY SERVICES, | | CALIFORNIA DEPARTMENT OF FISH AND GAME, AND THE REGIONAL WATER QUALITY | | CONTROL BOARD THAT AT 1330 (PDT) ON 05/06/96, APPROXIMATELY 2,000 GALLONS | | OF pH 1.74 NON-RADIOACTIVE WATER WAS RELEASED INTO THE NORMAL PLANT | | DISCHARGE TO THE PACIFIC OCEAN. THE MINIMUM pH ALLOWED IS 2.0. | | | | THIS RELEASE WAS DUE TO AN OVERFLOW OF THE WASTE NEUTRALIZATION TANK OF | | THE HIGH FLOW MAKEUP DEMINERALIZER SYSTEM. THE RELEASE HAS BEEN STOPPED. | | THE NORMAL PLANT DISCHARGE RECIRCULATES APPROXIMATELY 880,000 GALLONS OF | | SEA WATER PER MINUTE FROM THE PACIFIC OCEAN. BECAUSE OF THIS SIGNIFICANT | | DILUTION, THE 2,000 GALLONS OF LOW pH WATER HAD LITTLE OR NO IMPACT ON THE | | ENVIRONMENT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30429 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 05/07/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 14:50 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 11:19[CDT]| |NRC NOTIFIED BY: RAY DILLON |LAST UPDATE DATE: 05/07/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED 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 17 POWER OPERATION | 17 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -PAINTING CONTRACTOR SUPERVISOR TESTED POSITIVE FOR THE PRESENCE OF DRUGS- | | | | A PAINTING CONTRACTOR SUPERVISOR TESTED POSITIVE FOR THE PRESENCE OF DRUGS | | DURING A RANDOM DRUG TEST. THE LICENSEE ESCORTED THE INDIVIDUAL OFFSITE | | AND TERMINATED HIS SITE ACCESS AUTHORIZATION. THE LICENSEE WILL | | INVESTIGATE THE INDIVIDUAL'S WORK PERFORMANCE DURING THE PAST THREE WEEKS | | THAT HE WAS ON SITE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30430 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 05/07/96 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 18:25 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 14:58[EDT]| |NRC NOTIFIED BY: MIKE BAILEY |LAST UPDATE DATE: 05/07/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PIERCE SKINNER RDO | |NINF INFORMATION ONLY | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 28 POWER OPERATION | 46 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -TDEFW PUMP AND #2A MDEFW PUMP PRESSURE SWITCHES FOUND OUT OF CALIBRATION- | | | | UNIT 2 WAS INCREASING POWER FROM 28% POWER FOLLOWING A REFUELING OUTAGE. | | DURING THE REFUELING OUTAGE, THE LICENSEE HAD CALIBRATED THE PRESSURE | | SWITCHES FOR THE TURBINE DRIVEN EMERGENCY FEEDWATER (TDEFW) PUMP AND THE | | #2A MOTOR DRIVEN EMERGENCY FEEDWATER (MDEFW) PUMP. | | | | AT 1458, THE TDEFW PUMP AND THE #2A MDEFW PUMP AUTOMATICALLY STARTED FOR | | UNKNOWN REASONS. THE MAIN FEEDWATER PUMPS WERE RUNNING AT THE TIME AND THE | | STARTUP WATER LEVEL GAUGES FOR THE STEAM GENERATORS INDICATED 42 INCHES OF | | WATER (NORMAL WATER LEVEL FOR APPROXIMATELY 28% POWER). | | | | AT 1508, CONTROL ROOM OPERATORS STOPPED THE TDEFW PUMP AND THE #2A MDEFW | | PUMP. ONCE THE PUMPS WERE STOPPED, THEY IMMEDIATELY RESTARTED. | | | | AT 1531, CONTROL ROOM OPERATORS STOPPED THE TDEFW PUMP AND REMOVED ITS | | AUTOMATIC INITIATION CAPABILITY. TECH SPEC LCO A/S 3.4.3.b REQUIRES THE | | LICENSEE TO RESTORE THE TDEFW PUMP TO OPERABLE STATUS WITHIN 72 HOURS OR | | PLACE UNIT 2 IN AT LEAST HOT SHUTDOWN MODE WITHIN THE FOLLOWING 12 HOURS. | | | | AT 1658, THE LICENSEE DETERMINED THAT THE PRESSURE SWITCHES FOR THESE EFW | | PUMPS WERE OUT OF CALIBRATION. | | | | THE LICENSEE IS CALIBRATING THESE PRESSURE SWITCHES. ONCE THE TDEFW PUMP | | PRESSURE SWITCHES ARE CALIBRATED, THE LICENSEE WILL RESTORE THE TDEFW PUMP | | TO OPERABLE STATUS, EXIT THE 72 HOUR ACTION STATEMENT, AND STOP THE #2A | | MDEFW PUMP AND DECLARE IT INOPERABLE. | | | | TECH SPEC LCO A/S 3.4.3.a REQUIRES THE LICENSEE TO RESTORE THE #2A MDEFW | | PUMP TO OPERABLE STATUS WITHIN 7 DAYS OR PLACE UNIT 2 IN AT LEAST HOT | | SHUTDOWN MODE WITHIN THE FOLLOWING 12 HOURS. | | | | THE LICENSEE PLANS TO CALIBRATE THE #2A MDEFW PUMP PRESSURE SWITCHES, | | RESTORE THE #2A MDEFW PUMP TO OPERABLE STATUS, AND EXIT THE 72 HOUR ACTION | | STATEMENT. | | | | AT THE PRESENT TIME, THE MAIN FEEDWATER SYSTEM IS IN OPERATION AND THE | | #2B MDEFW PUMP IS OPERABLE. ONCE THE PRESSURE SWITCHES FOR THE TDEFW PUMP | | AND THE #2A MDEFW PUMP ARE CALIBRATED AND THE PUMPS ARE RESTORED TO | | OPERABLE STATUS, THE LICENSEE PLANS TO CALIBRATE THE #2B MDEFW PUMP | | PRESSURE SWITCHES, AS NECESSARY. | | | | THE LICENSEE IS INVESTIGATING THE REASON THE PRESSURE SWITCHES ARE OUT OF | | CALIBRATION AND THE METHOD USED TO CALIBRATE THESE SWITCHES DURING THE | | RECENT REFUELING OUTAGE AND DETERMINING CORRECTIVE ACTIONS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30431 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 05/07/96 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 18:45 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 15:06[EDT]| |NRC NOTIFIED BY: JIM READY |LAST UPDATE DATE: 05/07/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD URBAN 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL | | CONSERVATION THAT THEY HAD CLEANED UP 0.5 GALLONS OF ANTIFREEZE THAT HAD | | SPILLED ONTO THE SIMULATOR PARKING LOT. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30432 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 05/08/96 | |UNIT: [1] [ ] [ ] STATE: TX |NOTIFICATION TIME: 00:16 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/07/96 | +------------------------------------------------+EVENT TIME: 18:30[CDT]| |NRC NOTIFIED BY: HOWARD ALLGEYER |LAST UPDATE DATE: 05/08/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LICENSEE FAILED TO PLACE AN ESSENTIAL CHILLED WATER PUMP ON AN INCREASED | | FREQUENCY TESTING CYCLE BECAUSE OF HIGH PUMP VIBRATION. | | | | DURING THE BACKGROUND SURVEILLANCE REVIEW AND TRENDING FOR SURVEILLANCE | | TEST OPSP03-CH-0001 (ESSENTIAL CHILLED WATER PUMP 11A INSERVICE TEST), | | PERFORMED ON 02/01/96, THE LICENSEE NOTED THAT ESSENTIAL CHILLED WATER PUMP | | 11A SHOULD HAVE BEEN PLACED ON AN INCREASED FREQUENCY TESTING CYCLE WHEN | | PUMP VIBRATION POINT 4H WAS MEASURED IN THE ALERT HIGH RANGE. THE POINT WAS | | MEASURED AT 0.09in/sec. THE ACCEPTABLE RANGE IS ó 0.075in/sec. ASME SECTION | | XI, SUBSECTION IWP-3230 STATES THAT THE FREQUENCY OF TESTING SPECIFIED IN | | ASME SECTION XI, SUBSECTION IWP-3400 SHALL BE DOUBLED UNTIL THE CAUSE OF | | THE DEVIATION IS DETERMINED AND THE CONDITION IS CORRECTED. THIS INCREASED | | FREQUENCY TESTING REQUIREMENT WAS NOT PERFORMED SINCE THE ALERT HIGH | | READING REMAINED UNDETECTED UNTIL THE FINAL STAGE OF THE BACKEND REVIEW | | PROCESS. THIS ACTION WAS NOT IN ACCORDANCE WITH SOUTH TEXAS TECHNICAL | | SPECIFICATION 4.0.5. THIS EVENT IS REPORTABLE IN ACCORDANCE WITH SECTION 2G | | OF THE SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION OPERATING LICENSE. | | ADDITIONALLY, THE SURVEILLANCE TEST OF CONCERN HAS SINCE BEEN REPERFORMED | | AS PART OF THE REGULAR SURVEILLANCE PROGRAM SCHEDULED ON 04/24/96. THE | | DATA COLLECTED FOR PUMP VIBRATION POINT 4H WAS FOUND TO HAVE RETURNED TO | | THE ACCEPTABLE RANGE (ó 0.075in/sec). THE MEASURED VIBRATION POINT 4H WAS | | 0.06in/sec ON 04/24/96. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS | | NOTIFICATION. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30433 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CATAWBA REGION: 2 |NOTIFICATION DATE: 05/08/96 | |UNIT: [1] [ ] [ ] STATE: SC |NOTIFICATION TIME: 04:42 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/08/96 | +------------------------------------------------+EVENT TIME: 04:21[EDT]| |NRC NOTIFIED BY: BREWER |LAST UPDATE DATE: 05/08/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PIERCE SKINNER 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 100 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION REQUIRED SHUTDOWN BECAUSE TWO CONTROL RODS ARE | | BELOW THEIR INSERTION LIMITS. | | | | DURING PERFORMANCE OF ROD CONTROL CLUSTER ASSEMBLY MOVEMENT PERIODIC TEST, | | CONTROL ROD ASSEMBLIES "H6" & "H10", LOCATED IN CONTROL BANK "A" GROUP 1, | | FAILED TO WITHDRAW TO THEIR ORIGINAL POSITION AFTER BEING INSERTED 10 | | STEPS. TECHNICAL SPECIFICATION 3.1.3.6 REQUIRES THAT ALL THE CONTROL BANKS | | BE ABOVE 222 STEPS. ASSEMBLIES "H6" & "H10" ARE AT 216 STEPS AS INDICATED | | BY THEIR DIGITAL ROD POSITION INDICATION (DRPI). THE LICENSEE SUSPECTS AN | | ELECTRICAL FAILURE IN CONTROL BANK "A", GROUP 1 ELECTRICAL SYSTEM. THE | | TECHNICAL SPECIFICATION REQUIRED SHUTDOWN WAS ENTERED AT 0220 EDT. THE | | UNIT IS REQUIRED TO BE IN HOT STANDBY BY 0820 EDT. ALL EMERGENCY CORE | | COOLING SYSTEMS AND ASSOCIATED EMERGENCY DIESEL GENERATORS ARE FULLY | | OPERABLE IF NEEDED. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+