ML20209G139

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Forwards Results of SG Tube Insps Performed During Byron Station,Unit 1,Cycle 9 Refueling Outage within 12 Months Following Completion of Insps
ML20209G139
Person / Time
Site: Byron Constellation icon.png
Issue date: 07/09/1999
From: Levis W
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20209G144 List:
References
BYRON-99-0091, BYRON-99-91, NUDOCS 9907190037
Download: ML20209G139 (2)


Text

,.. , Commonwealth liinon Company l Ilyron Generating Station 4450 North German Churdi Road

  • [ , Ilyron. II. 610109794 Tel H142344441 July 9,1999 LTR: BYRON 99-0091 FILE: 3.11.0320 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 >

Byron Nuclear Power Station, Unit 1 )

Facility Operating License No.NPF-37 NRC Docket No. STN 50-454 1

SUBJECT:

Steam Generator Inservice Inspection Summary Report in accordance with item b, of Technical Specification 5.6.9, " Steam Generator (SG) Tube inspection Reports," we are submitting the results for the E tube inspections performed during the Byron Station, Unit 1, Cycle 9 refueling outage (i.e., B1R09) within 12 months following completion of the inspections. The report of the results includes the number and extent of the SG tubes inspected. SG tube eddy current inspections were performed in April 1999 at Byron Station, Unit 1. During the inspections, no indication of SG tube degradation or imperfection was found. As a result, no SG tubes were plugged or repaired. This report is also being submitted in accordance with Article IWA-6000,

" Records and Reports," and Appendix IV, " Eddy Current Examination of Nonferromagnetic Steam Generator Heat Exchanger Tubing," of Section XI of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code,1969 Edition, and Section IV of NEl 97-06, " Steam Generator Program Guidelines."

If you have any questions conceming this correspondence, please contact Mr. B.J. Adams, Regulatory Assurance Manager, at (815) 234-5441, ex+ension 2280.

Sincerely, h

William Levis

Site Vice PresHent l' Byron Station 9907190037 990709 PDR ADOCK 05000454 KCM{ i G PDR p
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Attachment:

. Steam Generator Eddy Current inspection Report Cycle 9 Refueling Outage (B1R09)'

cc: Regional Administrator- NRC Reg:on ill

- NRC Senior Resident inspector- Byron Station

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