WO 03-0063, Steam Generator Tube Plugging Report

Steam Generator Tube Plugging Report

ML033240355
Person / Time
Site:	Wolf Creek
Issue date:	11/10/2003
From:	Mckinney B Wolf Creek
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
WO 03-0063
Download: ML033240355 (2)

Text

- :-WiELF CREEK 'NUCLEAR OPERATING CORPORATION BrittT. McKinney Site Vice President NOV 1-02003 WO 03-0063 U. S. Nuclear Regulatory Cormmission-ATTN: Document Control Desk Washington, DC 20555 -

Subject:

- Docket No. 50-482: Steam Generator Tube Plugging Report Gentlemen:

This letter provides information -regarding the number of tubes plugged in each steam generator, as required by Wolf Creek Generating Station Technical Specification 5.6.10, "Steam Generator Tube Inspection Report." Technical Specification 5.6.10 requires,- in part, that the number of tubes plugged in -each steam generator be reported to the Nuclear Regulatory Commission within 15 days following the completion of each inservice inspection of the steam generator tubes. --

-The inservice inspection of Steam Generators 'A" and "D" was completed on October 31, 2003.

The inspection resulted in the mechanical plugging of 3 tubes in Steam Generator "A" and 17 tubes in Steam Generator "D." One of the 17 tubes plugged in Steam Generator "D" was plugged due to an obstruction in the tube. All the other tubes plugged in Steam Generators "A" and-"D" were due to indication of anti-vibration bar wear found during the inservice inspection.

In addition to the tubes plugged in Steam Generators "A" and "D", 3 original manufacturing plugs in Steam Generator "A" and 1 damaged mechanical plug in Steam Generator-"D" were replaced with weld plugs. Steam Generators "B" and "C" were not inspected during the inservice inspection.

Including the tubes plugged during this inservice inspection, the total number of tubes plugged in each steam generator to date are as follows:

Steam Generator "A" 29*

Steam Generator "B" 28 Steam Generator "C" - 19 Steam Generator"D" 97

• An additional 3 plugs are installed in Steam Generator "A" cold leg only, due to tube

- sheet drilling mistakes during manufacturing. No tubes are installed in those locations.

P.O. Box 411 / Burlington, KS 66839 / Phone: (620) 364-8831 An Equal Opportunity Employer M/FIC/VET

WO 03-0063 Page 2 of 2 There are no commitments associated with this submittal. -If you have questions concerning this matter, please contact me at (620) 364-4112, or Mr. Kevin' Moles, Manager Regulatory Affairs, at (620) 364-4126.

Sincerely, Britt T. McKinney BTM/rIg cc: J. N. Donohew (NRC)

D. N. Graves (NRC)

B. S. Mallett (NRC)

Senior Resident Inspector (NRC)