ML20040H577

Interim Deficiency Rept Re Potential for Loss of All Auxiliary Feedwater Following Small Steam Line Rupture, Initially Reported 801120.Postponement of Final Rept Until 820401 Requested

ML20040H577
Person / Time
Site:	Millstone
Issue date:	02/02/1982
From:	Cagnetta J, Counsil W NORTHEAST NUCLEAR ENERGY CO.
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I), NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
References
10CFR-050.55E, 10CFR-50.55E, AEC-MP3-264, B10405, F0026A, F26A, NUDOCS 8202180400
Download: ML20040H577 (2)

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NORTHEAST UTILITIES 3 E~'OTdE~E*' f~ NEFoRECONNECTICUT 06101 February 2, 1982 (** ""

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Docket No. 50-42? ~

AEC-MP3-264 @ 4 B10405 F0026A Il RECE!VED -

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Mr. Ronald C. Haynes 5 FEB171ggy '4 Region I -

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• 8 631 Park Avenue King of Prussia, PA 19406  % #

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References:

(1) W. G. Counsil letter to B. H. Grier, Reporting of Potential Significant Deficiencies in Design and Construction, Potential for Loss of All Auxiliary Feedwater Following a Small Steam Line Rupture, dated November 20, 1980.

(2) W. G. Counsil letter to R. C. Haynes, Outstanding Potential Significant Deficiency Reports, dated January 13, 1982.

Gentlemen:

Millstone Nuclear Power Station, Unit No. 3, Reporting of Potential Significant Deficiencies in Design and Construction, Potential for Loss of All Auxiliary Feedwater Following a Small Steam Line Rupture Reference (1) described a potential significant deficiency concerning loss g of auxiliary feedwater due to a small steam line rupture and committed to providing an interim report when tne results of our study were completed.

Reference (2) commi*ted us to provide you with a final report by February 1, 1982. Because a detailed review now indicates an additional study will be required prior to issuance of a final report, we hereby request our final report be postponed until April 1, 1982.

Very truly yours, 1

l MILLSTONE NUCLEAR POWER COMPANY IU 6 & m a W. G. Counsil Senior Vice President 0

tM 8202180400 820202 By: . P'. Cagnetta /

PDR ADOCK 05000423 Vice esident Nucl(ar and S PDR Environmental Engineering See attached page cc:

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cc: Mr. James H. Sniczek, Director Division of Resident and Regional Reactor Inspection Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D.C. 20555

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