U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/29/94 - 09/30/94 ** EVENT NUMBERS ** 27835 27836 27837 27838 27839 27840 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27835 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 09/29/94 | |UNIT: [ ] [2] [ ] STATE: NJ |NOTIFICATION TIME: 03:23 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/29/94 | +------------------------------------------------+EVENT TIME: 02:32[EDT]| |NRC NOTIFIED BY: GWIRTZ |LAST UPDATE DATE: 09/29/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 28 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - MANUAL Rx TRIP FROM 28% POWER DUE TO CONTROL ROOM OPERATOR ERROR - | | | | A CONTROL ROOM CONSOLE REACTOR OPERATOR WAS DIRECTED TO CLOSE THE STEAM | | TRAP ISOLATION VALVES (#21MS7, #22MS7, #23MS7, & #24MS7) UPSTREAM OF THE | | MAIN STEAM ISOLATION VALVES (MSIVs) BUT HE MISTAKENLY CLOSED THE MSIVs | | (#21MS167 & #22MS167) TO STEAM GENERATORS #21 & #22. THE CONTROLS FOR | | THESE VALVES ARE LOCATED IN THE SAME AREA OF THE CONSOLE. | | | | AT 0232, AFTER REALIZING THE MISTAKE, CONTROL ROOM OPERATORS MANUALLY | | TRIPPED UNIT 2 FROM 28% POWER. ALL CONTROL RODS INSERTED COMPLETELY. | | NO SAFETY OR RELIEF VALVES LIFTED. | | | | AT 0237, CONTROL ROOM OPERATORS CLOSED THE MSIVs (#23MS167 & #24MS167) | | TO STEAM GENERATORS #23 & #24 TO ISOLATE THE MAIN STEAM SYSTEM DUE TO | | REACTOR COOLANT SYSTEM TEMPERATURE DECREASING TO 530 DEGREES F FROM A | | NORMAL OPERATING TEMPERATURE OF 547 DEGREES F. | | | | STEAM IS BEING DUMPED TO THE ATMOSPHERE. | | | | UNIT 2 IS STABLE IN MODE 3 (HOT STANDBY). | | | | ALL SYSTEMS FUNCTIONED AS DESIGNED. | | | | LICENSEE PLANS TO COMPLETE THE POST TRIP REVIEW AND RECOMMENCE PLANT | | STARTUP BASED ON THAT REVIEW. | | | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND LOCAL OFFICIALS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27836 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 2 |NOTIFICATION DATE: 09/29/94 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 10:20 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 09/29/94 | +------------------------------------------------+EVENT TIME: 08:00[CDT]| |NRC NOTIFIED BY: McDONALD |LAST UPDATE DATE: 09/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | |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 +------------------------------------------------------------------------------+ | THE LICENSEE DETERMINED THAT THE CONTAINMENT SPRAY DRYWELL PRESSURE CONTACT | | WAS NOT ADEQUATELY TESTED DURING A LOGIC SYSTEM FUNCTIONAL TEST (LSFT). | | | | DURING A LSFT SURVEILLANCE REVIEW IT WAS DETERMINED THAT SURVEILLANCE | | (06-OP-1E12-R-0023) DOES NOT ADEQUATELY TEST THE CONTAINMENT SPRAY DRYWELL | | PRESSURE CONTACT. THIS IS THE DRYWELL PRESSURE HI CONTACT IN THE "B" | | CONTAINMENT LOGIC. SURVEILLANCE 06-IC-1B21-Q-2008 ALSO DOES NOT TEST THIS | | CONTACT. TESTING OF THIS CONTACT IS REQUIRED BY TS 4.3.8.2 AND SINCE IT HAS | | EXCEEDED ITS SURVEILLANCE INTERVAL, THE PLANT HAD ENTERED A LCO ACTION | | STATEMENT. UPON MAKING A FURTHER REVIEW IT WAS DETERMINED THAT CONTAINMENT | | SPRAY WAS NOT INOPERABLE BECAUSE THERE WAS A CONTACT PARALLEL TO THE ONE | | THAT DID NOT GET TESTED THAT CAME OFF A DIFFERENT LOGIC AND EITHER ONE | | COULD HAVE INITIATED CONTAINMENT SPRAY LOGIC. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27837 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 09/29/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 13:26 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 08/29/94 | +------------------------------------------------+EVENT TIME: 19:35[CDT]| |NRC NOTIFIED BY: STERN |LAST UPDATE DATE: 09/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WAYNE SHAFER RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 23 POWER OPERATION | 23 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DETERMINED A CONDITION WHERE THEY COULD HAVE A SINGLE FAILURE | | OF A ROD TO SCRAM DUE TO A FAILURE TO FOLLOW PROCEDURES. | | | | THIS CONDITION WAS DETERMINED WHEN A PLUG, USED DURING MAINTENANCE ON SCRAM | | PILOT VALVES, WAS LEFT IN AN EXHAUST PORT AT THE LAST REFUELING OUTAGE | | (MARCH 94 - AUGUST 94) AND DISCOVERED DURING SCRAM TIME TESTING. THE PLUG | | WAS REMOVED SHORTLY AFTER ITS DISCOVERY. THE AFFECTED DRIVE WOULD NOT HAVE | | INSERTED EVEN IF THE BACKUP SCRAM VALVES OPERATED. IF THE REACTOR HAD | | RECEIVED A SCRAM WITH THIS ROD OUT, THEY WOULD STILL MEET THE SHUTDOWN | | MARGIN. ALTHOUGH THEY DETERMINED THAT THIS FAILURE MECHANISM COULD NOT HAVE | | REASONABLY BEEN EXPECTED TO OCCUR IN REDUNDANT COMPONENTS SUCH THAT THE | | FULFILLMENT OF THE SAFETY FUNCTION WOULD HAVE BEEN AFFECTED BASED ON | | IMMEDIATE CHECK OF ALL DRIVES ON BOTH UNITS. NO OTHER PROBLEMS WERE | | IDENTIFIED. THE LATE NOTIFICATION WAS DUE TO LENGTHY WEEKLY INTERNAL | | DISCUSSIONS BETWEEN ENGINEERING, OPERATIONS, REGULATING ASSURANCE AND NRC. | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27838 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 09/29/94 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 14:53 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 09/29/94 | +------------------------------------------------+EVENT TIME: 13:00[CDT]| |NRC NOTIFIED BY: MORROW |LAST UPDATE DATE: 09/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 70 POWER OPERATION | 70 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE IS IN A CONDITION WHERE THEY DO NOT MEET ALL REQUIREMENTS OF | | THEIR APPENDIX R PROGRAM WHICH PUTS THEM OUTSIDE OF THEIR DESIGN BASIS. | | | | THIS WAS DISCOVERED WHEN THE NUCLEAR DESIGN GROUP WAS REVIEWING APPENDIX R | | CALCULATIONS AND THEY DETERMINED THAT WITH THE LOSS OF THE INSTRUMENTATION | | AND CONTROL BUS "2B", THE LIST OF THE FIRE AREAS WHERE COMPENSATORY ACTIONS | | HAVE TO BE INITIATED WAS NOT COMPLETE. THERE WAS ONE AREA, THE UNIT 2 | | BATTERY AND ASSOCIATED BOARD ROOM, THAT SHOULD HAVE BEEN ON THE LIST, BUT | | WAS NOT. AS AN INTERIM CORRECTIVE ACTION THEY ARE POSTING A FIRE WATCH IN | | THAT AREA UNTIL THE PROGRAM MANUAL IS REVISED TO INCLUDE THIS AREA ON THE | | LIST. THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27839 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WOLF CREEK REGION: 4 |NOTIFICATION DATE: 09/29/94 | |UNIT: [1] [ ] [ ] STATE: KS |NOTIFICATION TIME: 15:34 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 09/29/94 | +------------------------------------------------+EVENT TIME: 14:20[CDT]| |NRC NOTIFIED BY: JOHNSON |LAST UPDATE DATE: 09/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS WESTERMAN RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF CRIMINAL ACT INVOLVING INDIVIDUAL GRANTED ACCESS. IMMEDIATE | | COMPENSATORY MEASURES TAKEN ON DISCOVERY. SEE HOO LOG FOR DETAILS. THE RI | | WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27840 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 09/29/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 18:03 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/29/94 | +------------------------------------------------+EVENT TIME: 15:40[CDT]| |NRC NOTIFIED BY: DRYER |LAST UPDATE DATE: 09/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WAYNE SHAFER 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT THEY HAD A FIRE IN THE ADMINISTRATION BUILDING | | WHICH IS LOCATED IN THE PROTECTED AREA. | | | | THE FIRE WAS DISCOVERED (15:40CT) IN THE 6TH FLOOR AUDITORIUM IN THE | | CEILING AT FIRST AND WAS THOUGHT TO BE JUST SMOLDERING CEILING LIGHT | | BALLAST. THEY THOUGHT THEY HAD PUT THE FIRE OUT AT 15:45CT BUT THEY | | DISCOVERED AT 15:51CT THAT THERE WAS A FIRE IN THE WALL OF THE AUDITORIUM. | | AT 15:52CT THEY CALLED FOR OFFSITE ASSISTANCE FROM THE ZION FIRE | | DEPARTMENT. THE FIRE WAS EXTINGUISHED AT APPROX 16:16CT WHEN OCCUPANTS WERE | | ALLOWED TO RE-ENTER THE BUILDING. THERE WERE NO INJURIES OR FATALITIES AND | | DAMAGE TO THE BUILDING WAS MINIMAL. A PRESS RELEASE MAY BE ISSUED. THE RI | | WAS INFORMED. | +------------------------------------------------------------------------------+