ML021140111

Attachment 2, E-Mailed on March 18, 2002, (Docket Nos. 50-445 and 50-446)

ML021140111
Person / Time
Site:	Comanche Peak
Issue date:	03/18/2002
From:	Jaffe D NRC/NRR/DLPM
To:	TXU Electric
References
Download: ML021140111 (4)

Text

C:\WlN DOWS\TEMP\GVV}O0001 .TMP Page 1 Mail Envelope Properties (3C960269.527: 21 : 21114)

Subject:

Please call me.

Creation Date: 3/18/02 10:06AM From: David Jaffe Created By: DHJ@nrc.gov Recipients Action Date & Time txu.com Transferred 03/18/02 10:06AM obaidb (obaidb@txu.com)

Post Office Delivered Route txu.com Files Size Date & Time Mail MESSAGE 534 03/18/02 10:06AM Options Auto Delete: No Expiration Date: None Notify Recipients: Yes Priority: Standard Reply Requested: No Return Notification: None Concealed

Subject:

No Security: Standard To Be Delivered: Immediate Status Tracking: Delivered & Opened Attachment 2

David Jaffe - Please call me. Page 1 From: David Jaffe To: obaidb@txu.com Date: 3/18/02 10:06AM

Subject:

Please call me.

David Jaffe - MB3039 Page 1 From: Andrea Keim To: David Jaffe Date: 3/18/02 10:00AM

Subject:

MB3039 RR A-5 References an unacceptable code case. The licensee's overall request is okay. But the reference to "invoke CC N-648" and then some additional requirements and corrections creates difficulty. Please rewrite in terms of a self contained alternative without reference to invoking CC-648.

See Fermi 2 SER dated Octover 5, 2001.

David Jaffe - comanche peak RR A-5.wpd Page 1 ISI Relief Request No. A-5 Rev. 1 Invoke Code Case N-648 Draft Regulatory Guide DG-1 112, "ASME Code Cases Not Approved for Use," lists Code Case N-648.

Please re-write without listing your alternative in terms of CC N-648. In the alternative section list the essential elements that will be followed in lieu of the code requirements. Using the essential elements from the code case and the additional elements.

Referencing the code case in the alternative could create confusion. The code case provides justification for using a visual exam in lieu of a volumetric exam, but it is lacking in the implementation of the visual exam.

The alternative should include (take the elements of the code case and the addition elements and list them as the stand alone alternative, without referencing the code case in the alternative) include:

Areas to be examined Examination technique, resolution sensitivity Acceptance criteria