ML20027C531

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Forwards Proprietary & Nonproprietary Versions of Results of Eddy Current Testing on Guide Tubes at Calvert Cliffs I After Cycle 5.
ML20027C531
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 09/22/1982
From: Lundvall A
BALTIMORE GAS & ELECTRIC CO.
To: Clark R
Office of Nuclear Reactor Regulation
Shared Package
ML19301B879 List:
References
NUDOCS 8210180124
Download: ML20027C531 (2)


Text

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BALTIM ORE GAS AND ELECTRIC CHARLES CENTER. P. O. BOX 1475. BALTIMORE, MARYLAND 21203 AmrHLn E. LUNDVALL, JR.

Vict PRE &lOINT

% av September 22,1982 Of fice of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Mr. R. A. Clark, Chief Operating Reactors Branch #3 Division of Licensing

Subject:

Calvert Cliffs Nuclear Power Plant Unit No.1, Docket No. 50-317 Report of Fretting Wear Inspections Performed at the end of Cycle 5 on Unit 1.

Reference:

(A) D. 3. Jaffe to A. E. Lundvall letter dated 6-24-82, Amendment No. 71 for Calvert Cliffs Nuclear Power Plant No.1.

(B) A. E. Lundvall to R. A. Clark letter dated 5-21-82, Modified CEA Guide Tube Evaluation Program.

Gentlemen:

Reference (A) specified that we report the results of the most recent fretting wear inspection. Enclosures (1) and (2) are proprietary and nonproprietary versions of that report. Enclosure (3) is an affidavit from Combustion Engineering, Inc. requesting that inf ormation in Enclosure (1) be withheld from public disclosure in accordance with 10 CFR 2.790.

Reference (B) provided preliminary results of the subject inspection. Enclosure (1) updates the preliminary report and provides quantitative results. The wear described in this final report confirms that the wear was minor and does not affect the integrity of the guide tubes.

Very truly yours, BALTIMORE GAS [ ELECTRIC COMPANY

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Office of Nuclear Reactor Regulation September 22, 1982 Page 3

Enclosures:

(1) Results of Eddy Current Testing on Guide Tubes at Calvert Cliffs I Af ter Cycle 5, CEN-216(B)-P, August 1982. Copies 1 - 25.

(2) Results of Eddy Current Testing on Guide Tubes at Calvert Cliffs I Af ter Cycle 5, CEN-216(B)-NP, August 1982, (Nonproprietary).15 copies.

(3) Proprietary Affidavit.

Copies to: 3. A. Biddison, Esquire (w/out Attach)

G. F. Trowbridge, Esquire (w/out Attach)

D. H. Jaf fe - NRC P. W. Kruse, CE