Event Notification Report for November 27, 1999
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
11/26/1999 - 11/27/1999
Power Reactor
Event Number: 36469
Facility: WATERFORD
Region: 4 State: LA
Unit: [3] [] []
RX Type: [3] CE
NRC Notified By: P. BOCSKOV/B. LIETZKE
HQ OPS Officer: DICK JOLLIFFE
Region: 4 State: LA
Unit: [3] [] []
RX Type: [3] CE
NRC Notified By: P. BOCSKOV/B. LIETZKE
HQ OPS Officer: DICK JOLLIFFE
Notification Date: 11/27/1999
Notification Time: 07:00 [ET]
Event Date: 11/27/1999
Event Time: 05:33 [CST]
Last Update Date: 11/27/1999
Notification Time: 07:00 [ET]
Event Date: 11/27/1999
Event Time: 05:33 [CST]
Last Update Date: 11/27/1999
Emergency Class: ALERT
10 CFR Section:
50.72(a)(1)(i) - EMERGENCY DECLARED
10 CFR Section:
50.72(a)(1)(i) - EMERGENCY DECLARED
Person (Organization):
BLAIR SPITZBERG (R4)
ELINOR ADENSAM (NRR)
FRANK CONGEL (IRO)
THOMAS MCKENNA (RCT)
SUE GAGNER (OPA)
BLAIR SPITZBERG (R4)
ELINOR ADENSAM (NRR)
FRANK CONGEL (IRO)
THOMAS MCKENNA (RCT)
SUE GAGNER (OPA)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 3 | N | N | 0 | Hot Shutdown | 0 | Hot Shutdown |
- ALERT DUE TO SUDDEN DEPRESSURIZATION OF RCS AND LOSS OF 3000 GALLONS FROM RCS -
ON 11/26/99, WATERFORD WAS SHUT DOWN FROM 100% POWER TO REPAIR A LEAK ON A MAIN STEAM LINE DRAIN LINE.
AT 0500 CST ON 11/27/99, WITH THE PLANT IN MODE 4 (HOT SHUTDOWN), THE LICENSEE OPENED THE SUCTION VALVE (#SI-407B) TO THE TRAIN 'B' LOW PRESSURE SAFETY INJECTION PUMP TO PLACE THE PLANT ON SHUTDOWN COOLING. CONTROL ROOM OPERATORS HEARD A LOUD NOISE. APPROXIMATELY 3000 GALLONS DRAINED FROM THE REACTOR COOLANT SYSTEM (RCS) INTO THE REFUELING WATER STORAGE POOL IN ABOUT 2 MINUTES. THE WATER LEVEL IN THE PRESSURIZER DROPPED FROM 35% TO 0%. THE PRESSURIZER HEATERS TRIPPED. RCS PRESSURE DROPPED FROM 350 PSIG TO 100 PSIG. RCS TEMPERATURE REMAINED AT 295°F. THE LICENSEE CLOSED THE VALVE WHICH STOPPED THE DRAIN FROM THE RCS AND REFILLED THE PRESSURIZER TO 53% USING THE HIGH PRESSURE SAFETY INJECTION PUMP.
AT 0533 CST ON 11/27/99, THE LICENSEE DECLARED AN ALERT DUE TO A PRECAUTIONARY STATEMENT IN THE EMERGENCY OPERATING PROCEDURE DUE TO THE SUDDEN DEPRESSURIZATION OF THE RCS. THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC SENIOR RESIDENT INSPECTOR. THE LICENSEE CALLED PERSONNEL TO COME TO THE PLANT TO STAFF THEIR EMERGENCY OPERATIONS FACILITY AND TECHNICAL SUPPORT CENTER AND ACTIVATED THEIR EMERGENCY RESPONSE DATA SYSTEM.
THE PLANT IS IN NATURAL CIRCULATION TO STEAM GENERATOR (S/G) #2 TO THE MAIN CONDENSER. S/G #1 IS INOPERABLE. THERE WAS NO RELEASE OF RADIATION AND NO PERSONNEL WERE INJURED.
AT 0640 CST ON 11/27/99, THE NRC ENTERED THE MONITORING PHASE OF NORMAL RESPONSE MODE. NRC REGION 4 STAFFED THEIR INCIDENT RESPONSE CENTER. THE LICENSEE IS PREPARING A PRESS RELEASE.
THE PLANT IS STABLE IN MODE 4 (HOT SHUTDOWN).
SUBSEQUENTLY, THE LICENSEE DISCOVERED THAT A 6 INCH MANUAL RECIRC VALVE (#SI-417B) WAS OPEN, BUT WAS INDICATING CLOSED. THE REACH ROD TO THE VALVE WAS BROKEN. THE LICENSEE DETERMINED THAT THE VALVE HAD BEEN OPEN FOR ABOUT A WEEK.
AT 1100 EST ON 11/27/99, A COMMISSIONERS' ASSISTANTS BRIEFING WAS HELD WITH THE FOLLOWING ATTENDEES: IRO FRANK CONGEL, JOE GIITTER; NRR PROJECT DIRECTOR STU RICHARDS; OPA BETH HAYDEN; OSP PAUL LOHAUS; OIP RON HAUBER; OCA LAURA GERKE; EDO DAVE LANGE; DEDMRS PAPERIELLO; SECY ANNETTE VIETTI-COOK; CHAIRMAN MESERVE (GLEN TRACY); COMM DICUS (TOM HILTZ); COMM McGAFFIGAN (JANET SCHLUETER); COMM DIAZ (TONY HSIA); COMM MERRIFIELD (BRIAN McCABE); REGION 4 TOM ANDREWS, CHRIS KENNEDY, ELLIS MERSCHOFF, KEN BROCKMAN (BRIEFER); SRI TOM FARNHOLTZ.
* * * UPDATE AT 1335 EST ON 11/27/99 FROM MIKE MASON TO S. SANDIN * * *
THE LICENSEE EXITED THE ALERT AT 1226 CST AFTER VERIFYING THAT THE PLANT WAS IN MODE 5 AND STABLE (TERMINATION CRITERIA). THE LICENSEE INFORMED STATE/LOCAL AGENCIES AND THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS OFFICER NOTIFIED R4(MERSCHOFF), EO(ADENSAM), IRO(CONGEL), PAO(GAGNER, JASINSKI), EDO(PAPERIELLO), CHAIRMAN MESERVE(TRACY), FEMA(SULLIVAN), DOE(YOUNG), EPA(DiGIORGIO), USDA(CONLEY) AND HHS(BERGER).
AT 1345 EST THE NRC EXITED THE MONITORING PHASE OF NORMAL RESPONSE MODE PER A 1315 EST CONFERENCE CALL INVOLVING R4(MERSCHOFF), NRR(COLLINS, RICHARDS), IRO(CONGEL) AND EDO(TRAVERS).
ON 11/26/99, WATERFORD WAS SHUT DOWN FROM 100% POWER TO REPAIR A LEAK ON A MAIN STEAM LINE DRAIN LINE.
AT 0500 CST ON 11/27/99, WITH THE PLANT IN MODE 4 (HOT SHUTDOWN), THE LICENSEE OPENED THE SUCTION VALVE (#SI-407B) TO THE TRAIN 'B' LOW PRESSURE SAFETY INJECTION PUMP TO PLACE THE PLANT ON SHUTDOWN COOLING. CONTROL ROOM OPERATORS HEARD A LOUD NOISE. APPROXIMATELY 3000 GALLONS DRAINED FROM THE REACTOR COOLANT SYSTEM (RCS) INTO THE REFUELING WATER STORAGE POOL IN ABOUT 2 MINUTES. THE WATER LEVEL IN THE PRESSURIZER DROPPED FROM 35% TO 0%. THE PRESSURIZER HEATERS TRIPPED. RCS PRESSURE DROPPED FROM 350 PSIG TO 100 PSIG. RCS TEMPERATURE REMAINED AT 295°F. THE LICENSEE CLOSED THE VALVE WHICH STOPPED THE DRAIN FROM THE RCS AND REFILLED THE PRESSURIZER TO 53% USING THE HIGH PRESSURE SAFETY INJECTION PUMP.
AT 0533 CST ON 11/27/99, THE LICENSEE DECLARED AN ALERT DUE TO A PRECAUTIONARY STATEMENT IN THE EMERGENCY OPERATING PROCEDURE DUE TO THE SUDDEN DEPRESSURIZATION OF THE RCS. THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC SENIOR RESIDENT INSPECTOR. THE LICENSEE CALLED PERSONNEL TO COME TO THE PLANT TO STAFF THEIR EMERGENCY OPERATIONS FACILITY AND TECHNICAL SUPPORT CENTER AND ACTIVATED THEIR EMERGENCY RESPONSE DATA SYSTEM.
THE PLANT IS IN NATURAL CIRCULATION TO STEAM GENERATOR (S/G) #2 TO THE MAIN CONDENSER. S/G #1 IS INOPERABLE. THERE WAS NO RELEASE OF RADIATION AND NO PERSONNEL WERE INJURED.
AT 0640 CST ON 11/27/99, THE NRC ENTERED THE MONITORING PHASE OF NORMAL RESPONSE MODE. NRC REGION 4 STAFFED THEIR INCIDENT RESPONSE CENTER. THE LICENSEE IS PREPARING A PRESS RELEASE.
THE PLANT IS STABLE IN MODE 4 (HOT SHUTDOWN).
SUBSEQUENTLY, THE LICENSEE DISCOVERED THAT A 6 INCH MANUAL RECIRC VALVE (#SI-417B) WAS OPEN, BUT WAS INDICATING CLOSED. THE REACH ROD TO THE VALVE WAS BROKEN. THE LICENSEE DETERMINED THAT THE VALVE HAD BEEN OPEN FOR ABOUT A WEEK.
AT 1100 EST ON 11/27/99, A COMMISSIONERS' ASSISTANTS BRIEFING WAS HELD WITH THE FOLLOWING ATTENDEES: IRO FRANK CONGEL, JOE GIITTER; NRR PROJECT DIRECTOR STU RICHARDS; OPA BETH HAYDEN; OSP PAUL LOHAUS; OIP RON HAUBER; OCA LAURA GERKE; EDO DAVE LANGE; DEDMRS PAPERIELLO; SECY ANNETTE VIETTI-COOK; CHAIRMAN MESERVE (GLEN TRACY); COMM DICUS (TOM HILTZ); COMM McGAFFIGAN (JANET SCHLUETER); COMM DIAZ (TONY HSIA); COMM MERRIFIELD (BRIAN McCABE); REGION 4 TOM ANDREWS, CHRIS KENNEDY, ELLIS MERSCHOFF, KEN BROCKMAN (BRIEFER); SRI TOM FARNHOLTZ.
* * * UPDATE AT 1335 EST ON 11/27/99 FROM MIKE MASON TO S. SANDIN * * *
THE LICENSEE EXITED THE ALERT AT 1226 CST AFTER VERIFYING THAT THE PLANT WAS IN MODE 5 AND STABLE (TERMINATION CRITERIA). THE LICENSEE INFORMED STATE/LOCAL AGENCIES AND THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS OFFICER NOTIFIED R4(MERSCHOFF), EO(ADENSAM), IRO(CONGEL), PAO(GAGNER, JASINSKI), EDO(PAPERIELLO), CHAIRMAN MESERVE(TRACY), FEMA(SULLIVAN), DOE(YOUNG), EPA(DiGIORGIO), USDA(CONLEY) AND HHS(BERGER).
AT 1345 EST THE NRC EXITED THE MONITORING PHASE OF NORMAL RESPONSE MODE PER A 1315 EST CONFERENCE CALL INVOLVING R4(MERSCHOFF), NRR(COLLINS, RICHARDS), IRO(CONGEL) AND EDO(TRAVERS).
Power Reactor
Event Number: 36470
Facility: DUANE ARNOLD
Region: 3 State: IA
Unit: [1] [] []
RX Type: [1] GE-4
NRC Notified By: DAVE SCHUSSLER
HQ OPS Officer: DICK JOLLIFFE
Region: 3 State: IA
Unit: [1] [] []
RX Type: [1] GE-4
NRC Notified By: DAVE SCHUSSLER
HQ OPS Officer: DICK JOLLIFFE
Notification Date: 11/28/1999
Notification Time: 02:13 [ET]
Event Date: 11/27/1999
Event Time: 22:35 [CST]
Last Update Date: 11/28/1999
Notification Time: 02:13 [ET]
Event Date: 11/27/1999
Event Time: 22:35 [CST]
Last Update Date: 11/28/1999
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(ii) - ESF ACTUATION
10 CFR Section:
50.72(b)(2)(ii) - ESF ACTUATION
Person (Organization):
RONALD GARDNER (R3)
RONALD GARDNER (R3)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 1 | Startup | 1 | Startup |
- SAFETY/RELIEF VALVE OPENED FOR 1 MINUTE DURING MAINTENANCE ACTIVITIES -
DURING A REACTOR STARTUP WITH REACTOR AT 1% POWER, MAINTENANCE TECHNICIANS WERE PREPARING TO PERFORM AN INSPECTION ON THE 125 VDC DIVISION I ELECTRICAL DISTRIBUTION SYSTEM BY USING A SCOUT GROUND DETECTION DEVICE TO TROUBLESHOOT A SYSTEM GROUND. DURING THE MAINTENANCE INSPECTION, THE SCOUTING DEVICE CAUSED SAFETY/RELIEF VALVE (SRV) (#PSV-4402) (ADS VALVE) TO OPEN AS INDICATED BY "TAILPIPE HI TEMP" ALARM. THE OPENING OF THE SRV CAUSED THE REACTOR VESSEL WATER LEVEL TO SWELL FROM A NORMAL LEVEL OF 190 INCHES TO 200 INCHES. OTHER ALARMS ASSOCIATED WITH THE TROUBLESHOOTING WERE ALSO RECEIVED IN THE CONTROL ROOM. MAINTENANCE ACTIVITIES ON 125 VDC DIVISION I ELECTRICAL DISTRIBUTION SYSTEM WERE QUICKLY HALTED AND THE SRV COMPLETELY CLOSED ABOUT ONE MINUTE AFTER OPENING CAUSING THE REACTOR VESSEL WATER LEVEL TO DROP TO 178 INCHES. THE CONDENSATE SYSTEM WAS USED TO RESTORE WATER LEVEL TO ITS NORMAL LEVEL OF 186 TO 195 INCHES.
THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR.
DURING A REACTOR STARTUP WITH REACTOR AT 1% POWER, MAINTENANCE TECHNICIANS WERE PREPARING TO PERFORM AN INSPECTION ON THE 125 VDC DIVISION I ELECTRICAL DISTRIBUTION SYSTEM BY USING A SCOUT GROUND DETECTION DEVICE TO TROUBLESHOOT A SYSTEM GROUND. DURING THE MAINTENANCE INSPECTION, THE SCOUTING DEVICE CAUSED SAFETY/RELIEF VALVE (SRV) (#PSV-4402) (ADS VALVE) TO OPEN AS INDICATED BY "TAILPIPE HI TEMP" ALARM. THE OPENING OF THE SRV CAUSED THE REACTOR VESSEL WATER LEVEL TO SWELL FROM A NORMAL LEVEL OF 190 INCHES TO 200 INCHES. OTHER ALARMS ASSOCIATED WITH THE TROUBLESHOOTING WERE ALSO RECEIVED IN THE CONTROL ROOM. MAINTENANCE ACTIVITIES ON 125 VDC DIVISION I ELECTRICAL DISTRIBUTION SYSTEM WERE QUICKLY HALTED AND THE SRV COMPLETELY CLOSED ABOUT ONE MINUTE AFTER OPENING CAUSING THE REACTOR VESSEL WATER LEVEL TO DROP TO 178 INCHES. THE CONDENSATE SYSTEM WAS USED TO RESTORE WATER LEVEL TO ITS NORMAL LEVEL OF 186 TO 195 INCHES.
THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR.
General Information or Other
Event Number: 36477
Rep Org: SLOSS INDUSTRIES CORPORATION
Licensee: SLOSS INDUSTRIES CORPORATION
Region: 3
City: ALEXANDRIA State: IN
County:
License #: 131890402
Agreement: N
Docket:
NRC Notified By: ROSS
HQ OPS Officer: CHAUNCEY GOULD
Licensee: SLOSS INDUSTRIES CORPORATION
Region: 3
City: ALEXANDRIA State: IN
County:
License #: 131890402
Agreement: N
Docket:
NRC Notified By: ROSS
HQ OPS Officer: CHAUNCEY GOULD
Notification Date: 12/01/1999
Notification Time: 09:58 [ET]
Event Date: 11/27/1999
Event Time: 03:00 [CST]
Last Update Date: 12/01/1999
Notification Time: 09:58 [ET]
Event Date: 11/27/1999
Event Time: 03:00 [CST]
Last Update Date: 12/01/1999
Emergency Class: NON EMERGENCY
10 CFR Section:
10 CFR Section:
Person (Organization):
GEOFFREY WRIGHT (R3)
DON COOL (NMSS)
GEOFFREY WRIGHT (R3)
DON COOL (NMSS)
SHIELDING PROBLEM ON A DENSITY GAUGE.
A TEXAS NUCLEAR DENSITY GAUGE MODEL # 570-57157C CONTAINING Cs-137 WAS MEASURING 40MR @ ONE FOOT FROM THE SOURCE (BACKGROUND @ FOUR FEET) DUE TO A SHIELDING PROBLEM. NO PERSONNEL EXPOSURES HAVE OCCURRED AND THE AREA HAS BEEN CORDONED OFF. TEXAS NUCLEAR PERSONNEL WILL CHANGE OUT THE SOURCE ON 12/3/99. REGION 3 WAS NOTIFIED BY THE LICENSEE ON 11/29/99.
A TEXAS NUCLEAR DENSITY GAUGE MODEL # 570-57157C CONTAINING Cs-137 WAS MEASURING 40MR @ ONE FOOT FROM THE SOURCE (BACKGROUND @ FOUR FEET) DUE TO A SHIELDING PROBLEM. NO PERSONNEL EXPOSURES HAVE OCCURRED AND THE AREA HAS BEEN CORDONED OFF. TEXAS NUCLEAR PERSONNEL WILL CHANGE OUT THE SOURCE ON 12/3/99. REGION 3 WAS NOTIFIED BY THE LICENSEE ON 11/29/99.