Event Notification Report for March 01, 2003
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
02/28/2003 - 03/01/2003
EVENT NUMBERS
39629
Power Reactor
Event Number: 39629
Facility: SOUTH TEXAS
Region: 4 State: TX
Unit: [1] [] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: SCHAEFER
HQ OPS Officer: CHAUNCEY GOULD
Region: 4 State: TX
Unit: [1] [] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: SCHAEFER
HQ OPS Officer: CHAUNCEY GOULD
Notification Date: 03/01/2003
Notification Time: 05:39 [ET]
Event Date: 03/01/2003
Event Time: 01:54 [CST]
Last Update Date: 03/01/2003
Notification Time: 05:39 [ET]
Event Date: 03/01/2003
Event Time: 01:54 [CST]
Last Update Date: 03/01/2003
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
Person (Organization):
DAVID GRAVES (R4)
DAVID GRAVES (R4)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | M/R | Y | 100 | Power Operation | 0 | Hot Standby |
REACTOR MANUALLY TRIPPED FROM 100% POWER
The Operators manually trip the reactor from 100% power following a loss of condensate flow in the secondary system. The cause is unknown and being investigated. All rods fully inserted and no relief valves lifted. However, the auxiliary feedwater and feedwater actuations were received following the trip as expected. The reactor is in hot standby.
The NRC resident Inspector was notified.
The Operators manually trip the reactor from 100% power following a loss of condensate flow in the secondary system. The cause is unknown and being investigated. All rods fully inserted and no relief valves lifted. However, the auxiliary feedwater and feedwater actuations were received following the trip as expected. The reactor is in hot standby.
The NRC resident Inspector was notified.