U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/11/95 - 07/12/95 ** EVENT NUMBERS ** 29046 29047 29048 29049 29050 29051 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29046 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 07/11/95 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 03:31 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/11/95 | +------------------------------------------------+EVENT TIME: 00:55[CDT]| |NRC NOTIFIED BY: URQUHART |LAST UPDATE DATE: 07/11/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM DECKER RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HPCI OUTBOARD TURBINE STEAM SUPPLY VALVE FAILED TO CLOSE DURING QUARTERLY | | MOV OPERABILITY TESTING. HPCI WAS DECLARED INOPERABLE AND LICENSEE ENTERED | | TECHNICAL SPECIFICATION 3.5 (14 DAY LCO). | | | | LICENSEE WAS PERFORMING QUARTERLY MOV OPERABILITY TESTING OF HPCI OUTBOARD | | TURBINE STEAM SUPPLY VALVE (E41-F003). WHEN THE LICENSEE STROKED THE VALVE | | OPEN, IT TOOK 54 SECONDS TO OPEN. (THE VALVE NORMALLY TAKES 35 SECONDS TO | | OPEN.) THE LICENSEE THEN TRIED TO CYCLE THE VALVE AGAIN, BUT IT WOULD NOT | | CLOSE. LICENSEE DECLARED THE VALVE (E41-F003) INOPERABLE. LICENSEE CLOSED | | HPCI INBOARD TURBINE STEAM SUPPLY VALVE (E41-F002) TO COMPLY WITH PRIMARY | | CONTAINMENT ISOLATION TECHNICAL SPECIFICATION REQUIREMENTS. ISOLATION OF | | THE HPCI INBOARD TURBINE STEAM SUPPLY VALVE PLACED LICENSEE IN TECHNICAL | | SPECIFICATION 3.5 (HPCI INOPERABLE, 14 DAYS TO RESTORE IT TO SERVICE). | | LICENSEE SUSPECTS THAT THE VALVE IS BINDING INTERNALLY. RCIC AND ALL OTHER | | ECCS SYSTEMS ARE FULLY OPERABLE. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29047 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 07/11/95 | |UNIT: [2] [3] [ ] STATE: PA |NOTIFICATION TIME: 04:55 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 07/11/95 | +------------------------------------------------+EVENT TIME: 03:55[EDT]| |NRC NOTIFIED BY: M GRIBBLE |LAST UPDATE DATE: 07/11/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | |ANLI 50.72(b)(1)(iii) LIGHTNING | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 75 POWER OPERATION | 75 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LIGHTNING STRIKE CAUSED LOSS OF ELECTRICAL POWER TO THE TECHNICAL SUPPORT | | CENTER (TSC). | | | | A LIGHTNING STRIKE CAUSED THE LOSS OF THE 351 ELECTRICAL FEED LINE TO THE | | TSC. TSC IS LOCATED OUTSIDE OF THE PROTECTED AREA BUT IS LOCATED ON THE | | OWNERS PROPERTY. LICENSEE IS TRYING TO RESTORE ELECTRICAL POWER TO THE TSC | | VIA THE 351 ELECTRICAL FEED LINE. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29048 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 07/11/95 | |UNIT: [1] [ ] [ ] STATE: TX |NOTIFICATION TIME: 11:05 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/10/95 | +------------------------------------------------+EVENT TIME: 15:00[CDT]| |NRC NOTIFIED BY: SCOTT HEAD |LAST UPDATE DATE: 07/11/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A CONTRACT EMPLOYEE TESTED POSITIVE FOR MARIJUANA USE DURING A RANDOM DRUG | | TEST. | | | | A CONTRACT MANAGER WAS CONFIRMED POSITIVE FOR THE USE OF MARIJUANA. THE | | CONTRACT EMPLOYEE WORKED FOR A CONTRACT FIRM RESPONSIBLE FOR CUSTODIAL | | ACTIVITIES PERFORMED AT THE SITE, INCLUDING AREAS INSIDE THE PROTECTED | | AREA. THE LICENSEE STATED THAT THIS PERSON POSED NO THREAT TO PLANT | | OPERATIONS. THE CONTRACT MANAGER WAS ESCORTED OFFSITE AND HIS SITE ACCESS | | WAS REVOKED. | | | | THE NRC RESIDENT INSPECTOR AND A VISITING NRC SECURITY INSPECTOR WERE | | INFORMED OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29049 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 07/11/95 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 16:29 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 07/11/95 | +------------------------------------------------+EVENT TIME: 12:38[CDT]| |NRC NOTIFIED BY: MARK KAUL |LAST UPDATE DATE: 07/11/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -CONTROL ROOM HVAC EMERGENCY BYPASS SYSTEM INOP DUE TO FAILED RAD MONITOR- | | | | AT 1154 (CDT), CONTROL ROOM VENTILATION RADIATION MONITOR ALARMED AND | | ACTUATED THE CONTROL ROOM HVAC EMERGENCY BYPASS SYSTEM. | | | | AT 1238 (CDT), LICENSEE DETERMINED THAT THE RAD MONITOR WAS MALFUNCTIONING | | AND DECLARED THE CONTROL ROOM HVAC EMERGENCY BYPASS SYSTEM INOPERABLE. | | | | TECH SPEC LCO A/S 3.12.A.2, TABLE 3.2.D, REQUIRES LICENSEE TO RESTORE THE | | CONTROL ROOM HVAC EMERGENCY BYPASS SYSTEM TO OPERABLE STATUS WITHIN 7 DAYS | | OR TO SHUT THE PLANT DOWN. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29050 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 07/11/95 | |UNIT: [1] [2] [ ] STATE: NJ |NOTIFICATION TIME: 20:32 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/11/95 | +------------------------------------------------+EVENT TIME: 17:25[EDT]| |NRC NOTIFIED BY: BRIAN HAMILTON |LAST UPDATE DATE: 07/11/95 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN KINNEMAN RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -ALL 6 UNIT 1 & 2 EDGs INOPERABLE BUT FUNCTIONAL DUE TO TEST INADEQUACIES- | | | | WITH UNIT 1 AND UNIT 2 IN MODE 5 (COLD SHUTDOWN) IN MAINTENANCE OUTAGES, | | LICENSEE DETERMINED THAT THE TEST RESULTS FOR THE MONTHLY SURVEILLANCE | | TESTS OF THE START OF THE EDGs TO A SIMULATED SAFETY INJECTION SIGNAL DID | | NOT INCLUDE ALL THE PROPER DATA. | | | | SPECIFICALLY, THE EDGs ARE REQUIRED TO START IN RESPONSE TO A SIMULATED | | SAFETY INJECTION SIGNAL AND PROVIDE A VOLTAGE OF 3950 TO 4850 VOLTS AND | | A FREQUENCY OF 60 +/- 1.2 Hz WITHIN 13 SECONDS AND TO MAINTAIN OUTPUT | | WITHIN THIS RANGE FOR THE NEXT 5 MINUTES. THE TEST RESULTS DATA DID NOT | | STATE WHETHER THE PROPER OUTPUT RANGE HAD BEEN MAINTAINED DURING THE | | REQUIRED 5 MINUTE PERIOD. | | | | THUS, LICENSEE DETERMINED THAT IT HAD NOT SATISFACTORILY COMPLIED WITH THE | | REQUIREMENTS OF THE TECH SPEC SURVEILLANCE TEST. THIS DATA IS FROM RESULTS | | OF MONTHLY TESTS THAT WERE PERFORMED OVER THE LAST 18 MONTHS ON UNIT 1 AND | | THE LAST 2 MONTHS ON UNIT 2. | | | | LICENSEE ADMINISTRATIVELY DECLARED 3 OF 3 UNIT 1 EDGs AND 3 OF 3 UNIT 2 | | EDGs INOPERABLE EVEN THOUGH ALL 6 EDGs ARE FUNCTIONAL. OFFSITE POWER IS | | AVAILABLE TO UNITS 1 AND 2. | | | | TECH SPEC 4.0.3 REQUIRES LICENSEE TO SATISFACTORILY COMPLETE THE | | SURVEILLANCE TEST AND DOCUMENT THE TEST RESULTS WITHIN 24 HOURS OR | | ESTABLISH PRIMARY CONTAINMENT INTEGRITY WITHIN THE FOLLOWING 8 HOURS. | | | | LICENSEE WILL NOTIFY THE NRC RESIDENT INSPECTOR AND LOCAL OFFICIALS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29051 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 2 |NOTIFICATION DATE: 07/12/95 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 03:42 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 07/12/95 | +------------------------------------------------+EVENT TIME: 02:02[CDT]| |NRC NOTIFIED BY: WALTER CADE |LAST UPDATE DATE: 07/12/95 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM RANKIN 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 | A/R Y 100 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR SCRAM DUE TO A MAIN TURBINE TRIP ON LOW CONDENSER VACUUM | | | | WITH THE UNIT AT RATED REACTOR POWER, THE LICENSEE RECEIVED INDICATION OF | | LOW CONDENSER VACUUM AND BEGAN TO REDUCE POWER. A FEW MINUTES LATER, THE | | REACTOR AUTOMATICALLY SCRAMMED FROM APPROXIMATELY 80% POWER DUE TO A MAIN | | TURBINE TRIP ON LOW CONDENSER VACUUM. OPERATORS WERE PREPARING TO TRIP THE | | UNIT MANUALLY WHEN THE AUTOMATIC REACTOR TRIP OCCURRED. PRELIMINARY | | INDICATIONS REVEALED THE FAILURE OF A CONDENSER NECK EXPANSION JOINT SEAL. | | ALL CONTROL RODS FULLY INSERTED, AND ALL SYSTEMS OPERATED AS EXPECTED. | | THERE WERE NO ECCS ACTUATIONS, THE SRVs DID NOT OPEN, AND FEEDWATER WAS | | USED TO RESTORE LEVEL. | | | | THE LICENSEE IS CURRENTLY USING FEEDWATER AND CONTROL ROD DRIVE WATER TO | | CONTROL LEVEL AND IS STILL USING THE CONDENSER, STEAM JET AIR EJECTOR, AND | | SEAL STEAM CONDENSER FOR PRESSURE CONTROL. THE LICENSEE PLANS TO COOL THE | | UNIT DOWN MORE BEFORE BREAKING CONDENSER VACUUM. CONDENSER VACUUM IS | | CURRENTLY ABOUT 25 INCHES (NORMAL) IN ONE CONDENSER AND ABOUT 5 INCHES IN | | THE LOW PRESSURE CONDENSER. | | | | THE LICENSEE NOTIFIED THE RESIDENT INSPECTOR. | | | | *** UPDATE RECEIVED AT 0617 ON JULY 12, 1995, FROM CADE BY TROCINE *** | | | | FOLLOWING THE REACTOR SCRAM, THE LICENSEE CLOSED THE MSIVs AND WAS | | CONTROLLING PRESSURE AND LEVEL USING THE SRVs AND RCIC. AT 0426 (CDT), THE | | LICENSEE RECEIVED A LOW LEVEL SCRAM SIGNAL DUE TO REACTOR WATER LEVEL | | SHRINKAGE WHEN THE SRVs WERE CLOSED. ALL CONTROL RODS WERE ALREADY FULLY | | INSERTED AT THE TIME. REACTOR WATER LEVEL DROPPED TO -20 INCHES, AND THE | | LOW LEVEL SCRAM SETPOINT WAS +11.4 INCHES. NO OTHER INITIATIONS OCCURRED. | | SUPPRESSION POOL TEMPERATURE IS CURRENTLY AT ABOUT 97øF AND WAS AS HIGH AS | | ABOUT 100øF FOLLOWING THE TRANSIENT. | | | | THE LICENSEE NOTIFIED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+