ML20093M635

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Forwards Braidwood Nuclear Station Unit 2 Fourth Refuel Outage (Oct 1994) SG ISI Results
ML20093M635
Person / Time
Site: Braidwood Constellation icon.png
Issue date: 10/24/1995
From: Tulon T
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20093M638 List:
References
BW-95-0101, BW-95-101, NUDOCS 9510270004
Download: ML20093M635 (2)


Text

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Commonwealth filison Onnpany liraidwomi Generating Station Route el, ikix 8 i Bracetille, il G)iOWXil9 Tel 810158-2801 October 24,1995 BW/95-0101 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555

Subject:

Comed Braidwood Station Unit 2 Fourth Refuel Outage Steam Generator Inservice Inspection Report Docket No. STN 50-457

References:

(1) NUREG-1276, Technical Specifications, Braidwood Station Unit Nos. I and 2 Gentlemen:

Specification 4.4.5.5.b 'of reference (1) requires that within 12 months following the completion of each inservice inspection of steam generator tt.bes the complete results of the inspection shall be submitted to the Commission in a Special Report pursuant to Specification 6.9.2. This report shall include the number and extent of tubes inspected, location and percent of wall-thickness penetration for each indication of an imperfection, and identification of tubes plugged or repaired. The Braidwood Unit 2 steam generator eddy current inspection was completed October 25,1994.

1 During this inspection,100% of the tubing in the 2B and 2C steam generators received 1

a full length bobbin coil eddy current inspection. A 3-coil Rotating Pancake Coil (RPC) probe was used to confirm and characterize all distorted indications found through bobbin coil examination. In addition, a random sample of 10% of the tubes in the 2B and 2C steam generators was inspected at the roll transition region at the top of I the tube sheet with the RPC probe to inspect for circumferential cracks. No circumferential cracks were identified.

The enclosure summarizes the inspection results. Included are indication lists and maps, a guide to abbreviations used in the indication list, and the qualification requirements of the certified personnel performing the eddy current examinations.

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00 % f 9510270004 951024 p '1 ' ,

. A Iinicom Company PDR ADOCK 05000457 PDR

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'I U.S. Nuclear Regulatory Commission j October 24,1995" Page Two 4

Please direct any questions regarding this submittal to Doug Huston, Braidw' ood Licensing Supervisor, '815) 458-2801, extension 2511.

Yours tmly,

-s D

t J. Tulon tation Manager Braidwood Nuclear Station TJT/DH/dla a:korresphsteno'hwdletrs. doc h

1 Attachments cc: S. Ray, Senior Resident Inspector - Braidwood R. R. Assa, Braidwood Project Manager -NRR

' H. Miller, Regional Administrator-RIII f

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