NRC Event Reports — Friday, April 22

The Salem nuclear plant in New Jersey was forced to scram the Unit 1 reactor after one of its circulating water pumps became fouled by grass in the intake. When this pump shut down, it resulted in another operating pump receiving a surge of grass, which caused that pump to shut down, necessitating a manual reactor trip. (Two other pumps were already out-of-service for maintenance.)

The shutdown was not without incident: One of the steam generators dropped below the lowest allowable set points. This resulted in activation of two of the motor-driven Auxilliary Feedwater Pumps.

Salem Unit 1 remains shut, according to the NRC’s Reactor Status report. Unit 2 is off-line for scheduled maintenance.

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About Robert Singleton

By day, I work for a call center. In my spare time, I try to save my hometown (and planet) from a nearly constant onslaught of greedheads, lunatics and land developers. I live in a fictional town called Austin, Texas, where I go to way too many meetings.
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