Adina,
We haven't really dealt with this type of scenario. The PWROG RM PI document, step 5.1.4 states that "Historical issues (i.e. greater than 12 months since occurrence) with no recent plant impact can be evaluated for possible exclusion from the PI." Based on that recommendation, if the error had a reactivity impact and was older than 12 months I would include it.. If it had no impact I would exclude it, especially if it was removed from use. The sites Reactivity management Committee could evaluate the older than 12 month items for exclusion.

Anthony (A.R.) Burger
Supervisor, Reactor Engineering
FENOC - Beaver Valley Power Station
Phone: (724) 682-4108
Cell: (724) 601-3224
FAX: (724) 682-4250
Email: aburger@firstenergycorp.com

From: Adina K Lafrance <adina.k.lafrance@dom.com>
To: "RETAQS (pwrrm@retaqs.com)" <pwrrm@retaqs.com>
Date: 09/13/2011 03:33 PM
Subject: [Pwrrm] Reactivity Management Grading
Sent by: pwrrm@retaqs.com

Good Afternoon all,

We recently had a discussion on site about how to grade a reactivity management legacy issue in a calculation.

Does your site have any guidance on how you would grade a legacy issue, such as:
Would you grade it in RM space if it is a calculation that is still in effect?
If the document is beyond a certain age, would that change the grading?
If the document had been in use, was removed from use, then the error discovered, would you grade it in RM space?

Thank you in advance.

Adina LaFrance
Reactor Engineer
Nuclear Analysis and Fuels, Surry Power Station

Dominion Generation
Phone: 757-365-2658; Internal: 8-798-2658
E-mail: Adina.K.LaFrance@dom.com

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