ML19241A749

Forwards First Interim Deficiency Rept Re Lack of Design Consideration for Thermal,Static & SSE Deflections in Variable & Rigid Spring Pipe Supports

ML19241A749
Person / Time
Site:	Sequoyah
Issue date:	06/21/1979
From:	Gilleland J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19241A751	List: ML19241A749 ML19241A771
References
NUDOCS 7907090351
Download: ML19241A749 (1)

Text

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79035-03L/50-327 /,2 h] rY] p

'"W'jb-03L/50-328 TENNESSEE VALLEY AUTHORITY CH A TT ANOOG A. TENN ESSEE 374o1 500C Chestnut Street Tower II .]

June 21, 1979 ._

x _o Mr. James P. O'Reilly, Director '. $

Office of Inspection and Enforce =ent g U.S. Nuclear Regulatory Co=ission m Region II - Suite 3100 101 Marietta Street Atlanta, Georgia 30303 ,

Dear Mr. O'Reilly:

SEQUOYAH NUCLEAP, PLGT UNITS 1 A!;D 2 - PIPE SUPPORT DESIGNERS DID NOT II, SOME CASES CONSIDER THE SUM OF DEFLECTIONS DUE TO THERMAL, STATIC, AND SAFE SHUTDOWN EARTHQUAKE - NCR SWP-79-S FIRST INTR 2 DrDaET The subject deficiency was initially reported to NRC-01E Inspector Bill Cottle on May 22, 1979, in accordance with 10 CFR 50.55(e).

Enclosed is our first interim report. We expect to sub=it our next report by Septe=ber 10, 1979.

If you have any questions concerning this matter, please get in toucn with D. L. La=bert at FTS 85!,-2581 .

Very truly yours, , ,

,

• Y. k Il 1 J. E. Gilleland Assistant "anager of Power Enclosure i cc: Mr. John C. Davis, Acting Director (Enclosure) e Office of Inspection and Enforcement U.S. Nuclear Regulatory Co=ission .,

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