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Event Notification Report for August 11, 2002

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
08/10/2002 - 08/11/2002

EVENT NUMBERS
39124

Power Reactor
Event Number: 39124
Facility: CALVERT CLIFFS
Region: 1     State: MD
Unit: [1] [2] []
RX Type: [1] CE,[2] CE
NRC Notified By: GETZ
HQ OPS Officer: CHAUNCEY GOULD
Notification Date: 08/12/2002
Notification Time: 15:24 [ET]
Event Date: 08/11/2002
Event Time: 12:00 [EDT]
Last Update Date: 08/12/2002
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
Person (Organization):
GLENN MEYER (R1)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation
2 N Y 100 Power Operation 100 Power Operation
Event Text
EMERGENCY SIRENS DECLARED INOPERABLE

The licensee determined at 1427 on 8/12/02 that 17 out of 17 sirens in St Mary's county failed their weekly silent alarm test on 8/11/02 @ 1200. They believe the problem is due to a transmitter malfunction possibly caused from being moved and improperly mounted in their new location. They are currently troubleshooting the problem.

The NRC Resident Inspector was notified. They will notify State and Local Agencies