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North Anna NPS, both units trip due to Earthquake. N/T

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Throckmorton Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Aug-23-11 02:27 PM
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North Anna NPS, both units trip due to Earthquake. N/T
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FBaggins Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Aug-23-11 05:46 PM
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1. Plus one of the generators died!
And they've vented steam!!!

Sorry... you know it had to come up eventually. :)
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Throckmorton Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Aug-23-11 06:27 PM
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2. One diesel suffered a major coolant leak
Ill know more in the AM. Im home now getting ready for Irene.
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Throckmorton Donating Member (1000+ posts) Send PM | Profile | Ignore Wed Aug-24-11 07:02 AM
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3. Faulted Diesel taken out of service
The Station Blackout Diesel (SBO) was aligned to this bus and used to restore power. The SBO diesel is a stand-alone installed spare, that was installed after the station was constructed to comply with the Station Blackout Rule.

At 5:40, the first station 4160 VAC bus was restored using off-site power, with a second one following in close secession. Both of these diesels were secured and restore to autostart.
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FBaggins Donating Member (1000+ posts) Send PM | Profile | Ignore Wed Aug-24-11 07:53 AM
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4. A backup to the backups
Good idea.
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