ML19269F432

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Outlines NRC Understanding of Status of IE Bulletin 79-14 Re Seismic Analysis for as-built safety-related Piping.Requests Prompt Notification If Situation Differs
ML19269F432
Person / Time
Site: Yankee Rowe
Issue date: 11/28/1979
From: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To: Groce R
YANKEE ATOMIC ELECTRIC CO.
References
IEB-79-14, NUDOCS 7912210022
Download: ML19269F432 (2)


Text

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NOV 2 81979 Docket No. 50-29 Yankee Atomic Electric Company ATTN: Mr. Robert H. Groce Licensing Engineer 20 Turnpike Road Westborough, Massachusetts 01581

Subject:

Scheduling Relief from IE Bulletin 79-14 Requirements

References:

(a) WYR letter 79-84 of July 18, 1979 (b) WYR ietter 79-137 of November 14, 1979 (c) TELECON Mr. R. Turcotte with our Mr. W. Lazarus, November 20, 1979 (d) TELECON Mr. R. Turcotte with our Mr. L. Tripp, November 21, 1979 Gentlemen:

Based on information received by this office in the above references, the following represents our understanding of the status of IE Bulletin 79-14 inspections at the Yankee Nuclear Power Station (Yankee-Rowe).

1.

Verification of the as built configuration of safety-related systems is in progress in accessible areas, is approximately 95% complete, and will be completed by December 15, 1979.

2.

Verification of all required inspection elements, less pipe support details, has been completed in normally inaccessible areas.

Pipe support details will be verified in these areas prior to restart from your early summer 1980 refueling outage.

3.

No unacceptable deviations from original plant design requirements have been identified.

4.

Nonconformances from design requirements identified during the above inspec-tions will be evaluated promptly in accordance with the requirements of Paragraph 2 of the August 15, 1979 Supplement tc IE Bulletin 79-14. Where either phase of this evaluation shows that system operability is in jeopardy, a report will be submitted to this office within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and the plant will be placed in cold shutdown within 7 days of identification of the nonconfer...we or as specified by Technical Specifications, whichever is less, until corrections / repairs are completed.

5.

All nonconformances identified which could affect the future seismic analysis will be reflected in revisions to as built drawings.

2166 096 g

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Yankee Atomic Electric Company 2

NOV 2 81979 6.

A final report of the inspection program, describing the results of the inspections, will be submitted to this office within 30 days after restart from your 1980 refueling outage. This report will contain the information specified in IE Bulletin 79-14, Paragraphs 3 and 4.

If our understaiding as discussed above differs from the actual situation and your planned actions, please notify us promptly.

Sincerely, W

Boyce H. Grier Director cc:

H. Autio, Plant Superintendent L. E. Minnick, President 2166 097