ML17272A780

Forwards IE Info Notice 79-36, Computer Code Defect in Stress Analysis of Piping Elbow. No Specific Action or Response Required

ML17272A780
Person / Time
Site:	Columbia, Washington Public Power Supply System, Satsop
Issue date:	12/31/1979
From:	Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To:	Strand N WASHINGTON PUBLIC POWER SUPPLY SYSTEM
References
NUDOCS 8001150047
Download: ML17272A780 (2)

Text

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION, V 1990 N. CALIFORNIABOULEVARD SUITE 202, WALNUTCREEK PLAZA WALNUTCREEK, CALIFORNIA94596 December 31, 1979 Docket I'Ios. 50-397, 50-460, 50-513 50-508, 50-509 Washington Public Power Supply System P. 0.

8ox 968 3000 George Washington Hay

Richland, Washington 99352 Attention:

Mr. N. 0. Strand Managing Director Gentlemen:

The enclosed IE Information Notice No. 79-36 provides information on a computer code defect which can result in incorrect stress values for piping elbows.

Sincerely, R. H. Engelken Director

Enclosures:

1.

IE Information Notice No. 79-36 2.

List of Recently Issued Information Notices cc w/enclosures:

M. E. Witherspoon, HPPSS A. D. Kohler, MPPSS J.

P. Thomas, MPPSS M. J. Talbott, WPPSS G. C. Sorensen, WPPSS 8001 150<+7