ML20084L803

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Informs of Error Made in Licensee Re Calculated Shutdown Margin for Control Rod Drive L-9.Correct Value Should Be 4.27% Sk W/Center Rod Out & All Others at Position 00 Rather than Stated 2.78% Sk
ML20084L803
Person / Time
Site: Dresden Constellation icon.png
Issue date: 07/25/1974
From: Stephenson B
COMMONWEALTH EDISON CO.
To: Oleary J
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084L796 List:
References
463-74, NUDOCS 8305230736
Download: ML20084L803 (1)


Text

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U**, % 'g ' Chicago, Illinois 60650 BBS Ltr.d463-74 Dresden Nuclear Power Station R. R. #1 5 0 - 2 3 7. Morris, Illinois 60450 June 25, 1974 Mr. J. F. O' Leary, Director Directorate of Licensing U. S. Atomic Energy Coraission Washington, D. C. 20545

SUBJECT:

_ LICENSE DPR-19, DRESDEN NUCLEAR POTr.R STATIO!i UNIT #2, SUBMITTAL INFORM \ TION ON UNCOUPLIIC OF CONTROL ROD DRIVE L-9.

Reference:

Letter #460-74 dated June 24, 1974'from B. B. Stephenson to J. F. O' Leary.-

Dear Mr. O' Leary:

. This letter is to report an error made in the letter referenced above concerning the calculated shutdown margin. The correct value should be 4.277. Sk with the center rod out and all others at position "00" rather than tha s ta tad 2. 787- C!-

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