|Power Reactor |Event Number: 40030 |
| FACILITY: SALEM REGION: 1
|NOTIFICATION DATE: 07/29/2003|
| UNIT: [1] [] [] STATE: NJ |NOTIFICATION TIME: 14:48[EDT]| | RXTYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/29/2003| +------------------------------------------------+EVENT TIME: 14:01[EDT]| | NRC NOTIFIED BY: NOEL KEMM |LAST UPDATE DATE: 07/29/2003| | HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+PERSON ORGANIZATION |
|EMERGENCY CLASS: UNUSUAL EVENT |
JAMES NOGGLE R1 | |10 CFR SECTION: |BOB DENNIG NRR | |AAEC 50.72(a) (1) (i) EMERGENCY DECLARED |NADER MAMISH IRO | | |MIKE EACHES FEMA | | |ANDREA HEINTZELMAN DHS | | | |
|UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | |
1 A/R Y 100 Power Operation |0 Hot Standby | | | | | | |
EVENT TEXT | UNIT 1 DECLARED AN UNUSUAL EVENT DUE TO THE LOSS OF 500KV OFFSITE POWER |
| | | "Experienced breaker failure of 500 KV 1-5 breaker.
The protective function | | of this took out 500 KV bus section 1.
All 4 KV vital buses deenergized and | | were repowered by the emergency diesel generators.
Also 2 of 4 group buses | | deenergized.
Auxiliary feedwater pumps started on steam generator low | | levels.
This all resulted in a reactor trip.
The source of the failure has | | yet to be determined.
Reactor coolant temperature is being controlled by | | turbine bypass valves.
" | | | | The licensee informed state/local agencies and the NRC resident inspector. |
| | | * * * UPDATE ON 7/29/03 AT 1803 EDT FROM NOEL KEMM TO BILL GOTT * * *
| | | | "500 KV bus section one energized. 4KV vital bus 1B energized from offsite | | power by 13 station power transformer.
Restoration of 1A and 1C 4KV vital | | buses from offsite power in progress.
Initial problem appears to be a | | ground problem with 1-5 500 KV breaker and subsequent breaker failure relay | | scheme."
| | | | The licensee has notified the NRC Resident Inspector and Region 1 IRC.
| | | | * * * UPDATE ON 7/29/03 AT 2103 EDT FROM MARK FIOCCO TO GERRY WAIG * * * | | | | "
Current Plant Status: 500 KV Bus section one energized . 4KV vital buses 1B | | and 1C energized from offsite power by 13 station power transformer.
| | Restoration of 1A 4KV vital bus from offsite power in progress." |
| | | The licensee has not notified the NRC Resident Inspector. The HQ Operatiions | | Officer notified NRC Region 1 IRC.
| | | | * * * UPDATE ON 7/29/03 AT 2201 EDT FROM MARK FIOCCO TO GERRY WAIG * * * | | | |
"Status Update: All 4KV vital buses energized from 13 station power | | transformer. Restoration of second source of offsite AC power is in | | progress.
Making preparation to terminate Unusual Event."
The licensee has | | notified the NRC Resident Inspector. | | | | * * *
UPDATE ON 7/29/03 AT 2211 EDT FROM MARK FIOCCO TO GERRY WAIG * * * | | | |
The Licensee terminated Notice of Unusual Event (NOUE) on 07/29/03 at 2211 | | hours EDT.
The licensee has notified the NRC Resident Inspector. | | | | The HQ Operatiions Officer notified FEMA (Butch Stiendurf) and DHS (Ed | | Welch) of the NOUE termination.