I am wondering: how other sites would have classified exceeding DNB margin in reactivity management space.?
Details: The plant had tripped with the TCBs closed when the cold leg temperature was exceeded. The temperature was exceeded for less than 10 seconds. The Technical Specification action statement was met in the specified time. The event was originally graded as an incident.
Also, does your site consider the Tech Spec on DNB a reactivity management TS?
Thank you in advance!
Adina LaFrance
The significant problems we face cannot be solved at the same level of thinking we were at when we created them. -Albert Einstein
Nuclear Analysis & Fuel
Reactor Engineer
Surry Power Station
Email: Adina.K.LaFrance(a)Dom.com<mailto:Adina.K.LaFrance@Dom.com>
Phone: 757-365-2658
Pager #: 4290
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