ML19246A920

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Responds to IE Bulletin 79-04.Velan Has Not Supplied,Nor Scheduled to Supply,Valves for Plant Use
ML19246A920
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 05/24/1979
From: Baskin K
SOUTHERN CALIFORNIA EDISON CO.
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
NUDOCS 7907090235
Download: ML19246A920 (1)


Text

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Southern California Edison Company 'T -

P. o. Bo x 8 00 2244 W ALNUT GROVE AVENUE ReSE ME AD, C AltF oRNI A 917 7 0 K. P. B ASKIN TELEPHONE w a = a ce a. c e = s a a tion e noin s e nino May 24, 1979 2 3.s72 u0 U. S. Nuclear Regulatory Commission p w'g 1h%e% r Region V yb WM ' $)

Suite 202, Walnut Creek. Plaza CD"d '

s 1990 N. California Boulevard O #

Walnut Creek, California, 94596 flT%D g

Attention: Mr. R.11. Engelken, Director Gentlemen:

Subject:

IE Bulletin 79-04 Docket No's. 50-361 and 50-362 San Onofre Nuclear Generating Station Units 2 and 3 Your letter of March 30, 1979, trnnsmits IE Bulletin 79-04,

" Incorrect Weights for Swing Check Valves Manuf actured by Velan Engineering Corporation", and describes instances of potentf ally incorrect piping stress analyses for those systets utilizing Velan suing cht valves due to a discrepancy between the valve weights describen >u design drawings and the actual weights supplied.

Please be advised that a review of all project documentation was performed and it has been determined that Velan has not supplied, nor are they schcduled to supply, the subject valves for use at San Onofre Units 2 and 3. As such, the specific actions identified in the bulletin are not ap,.licable to this project.

Should you have any questions or require further clarifica-tion, please contact me. ,

Very truly yours, cc: U. S. Nuclear Regulatory Commission Office of Inspect ion and Enforcement Division of Reactor Operations Inspections jQ }'

Uashington, D. C. 20555 1907090/2 6 ~7 :) _ou oc

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