ML20211D886

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Forwards SG Tube Insp Results.Results Were Faxed to J Bailey in Preparation for Conference Call
ML20211D886
Person / Time
Site: Vogtle Southern Nuclear icon.png
Issue date: 09/16/1997
From: Larry Wheeler
NRC (Affiliation Not Assigned)
To:
NRC (Affiliation Not Assigned)
References
TAC-M72491, NUDOCS 9709290278
Download: ML20211D886 (2)


Text

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WASHINGTON, D C. 20666-0001 Y

b g.....p September 16,1997 MEMORANDUM FOR: Docket File Louis L. Wheeler, Senior Project Managey - [

FROM:

Project Directorate 11-2 j

Division of Reactor Projects -l/11 Office of Nuclear Reactor Regulation

SUBJECT:

VOGTLE ELECTRlC GENERATING PLANT, UNIT 1 - PUTTING A DOCUMENT IN THE PUBLIC DOCUMENT ROOM (TAC M72491)

The enclosed message was faxed today to Mr. J. Bailey, of Southe:n Nuclear Operating Company. The sole purpose of the message is to prepare Southern Nuclear personnel for a conference call. The message itself does r.ot constitute a formal request for information or represent a formal NRC staff position.

Enclosure:

Steam Generator The inspection Results Docket Number: 50-424 Distribution I

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PUBLIC H. Berkow

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John Tsao, O-7 D4 NBC FILE CENTER COPY

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9709290278 970916 PDR ADOCK 05000424 P

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Steam Generator Tube Inspection Results Licensees' steam generator (SG) tube eddy current (EC) inspections play a vital role in the a

management of SG tube degradation. The results are used to demonstrate adequate structural and leakage integrity of the SG tubes.

NRC staffis interestedin discusshg the licensee's steam generator inspection plans and results, although the licensee is not required to participate in this discussion The following list of topics describes areas the NRC staff typically is interested in talking about.

Primary to secondary leakage prior to shutdown 4

Results of secondary side hydro For each steam generato'r, provide a general description of areas examined; include expansion criteria and specify type of probe used in each area For analyzed EC results, describe bobbin indications (those not examined with RPC) and RPC/Plus Point /Ceccoindications. Include the following information: location, number, degradation mode, disposition, and voltages / depths / lengths of most significant indications.

Describe repair / plugging plans Discuss previous history; "look backs" performed Discuss new inspection findings Describe in-situ pressure test plans and results, if available; include tube selection criteria Describe tube pull plans and preliminary results, if available; include tube selection criteria Assessment of tube integrity for previous operating cycle Assessment of tube integrity for next operating cycle Provide schedule for steam generator-related activities during remainder of current outage Note:

You may want to provide details on the topics listed above prior to the conference call (e.g., simple tables and figures) if you think it will facilitate the discussion.

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