ML19241A749

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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  Tennessee Valley Authority icon.png
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:
References
NUDOCS 7907090351
Download: ML19241A749 (1)


Text

79035-03L/50-327

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

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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 i

Enclosure cc:

Mr. John C.

Davis, Acting Director (Enclosure) e Office of Inspection and Enforcement

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4 Washington, DC 20555 4

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