ML20086B836

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Advises That Unanticipated Minor Amount of Oxidation Found on Lower Section of Vertical Prestressing Tendon Surfaces. Corrosion Protection Sys Improved
ML20086B836
Person / Time
Site: Robinson Duke Energy icon.png
Issue date: 07/16/1968
From: Jackie Jones
CAROLINA POWER & LIGHT CO.
To: Morris P
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20086B840 List:
References
NUDOCS 8311210449
Download: ML20086B836 (1)


Text

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Carolina Power & Light Company Raleigh, North Carolina 27602 July 16,19,63

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Dr. ?cter A. Morris, Director for Div cf C: ' ' %'

Division of Reactor Licensing United States Atomic Energy Commission Washington, D. C. 20045 Subj ec t: Docket No. 50-261 Carolina Power & Light Company Dear Dr. Morris; In the course of' cons truc ting the H. B. Robinson Unit No. 2 containment building, an unanticipated minor amount of oxidization was found on the lower section of the vertical prestressing tendon surfaces.

Examination indicates the tendons are in satisfactory condition but that it was deemed advisable to improve the corrosion protection system for -

them.

Lis L s d j:.re W Theattache_dreportjelscribesthdworkdonetodeterminethe

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causes of the unanticipated corrosion, to verify that the. tendons are '

in satisfactory condition and to describe an improved corrosion protec-tion system now provided.

. A copy of this report has been furnished to Mr. Long of tl$c AEC, Division of Compliance to confirm and supplement the information given him by telephone on February 15, 1968, in a meeting at the plant site on March 3, 1968, and by phone on April 17, 1968.

k7 Yours very truly, .

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. J. A. Jones Manager - Power Supply J AJ:HH e- =I$

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