ML20082T469

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Interim Deficiency Rept Re Adequacy of Tornado Missile Shield Protection on North & West Walls of Fuel Storage Bldg.Initially Reported on 821110.Final Rept to Be Submitted by 831230
ML20082T469
Person / Time
Site: Seabrook  NextEra Energy icon.png
Issue date: 11/28/1983
From: Devincentis J
PUBLIC SERVICE CO. OF NEW HAMPSHIRE, YANKEE ATOMIC ELECTRIC CO.
To: Starostecki R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
10CFR-050.55E, 10CFR-50.55E, SBN-585, NUDOCS 8312160026
Download: ML20082T469 (2)


Text

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..3 SEABROOK STATION ENIn**N Onk.:

1671 wore.n no.d thaninow. Mouachuset Olmi (417) 872 8100 Pub 5c Service of Naw Hampshire November 28, 1983 SBN-585 T.F. Q2.2.2 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, PA 19406 Attention:

Mr. Richard W. Starostecki, Director Division of Project and Resident Programs

References:

(a) Construction Permits CPPR-135 and CPPR-136, Docket Nos. 50-443 and 50-444 (b) Telecon of November 10, 1982, A. L. Legendre (YAEC) to Eugene Kelly (NRC Region I)

(c) PSNH Letter, dated December 14, 1982, " Interim 10CFR50.55(e) Report; Tornado Missile Shields for Fuel Storage Building," J. DeVincentis to R. W. Starostecki (d) PSNH Letter, dated March 31,1983, " Interim 10CFR50.55(e)

Report; Tornado Missile Shields for Fuel Storage Building,"

J. DeVincentis to R. W. Staros tecki (e) PSNH Letter, dated July 14, 1983, " Interim 10CFR50.55(e)

Report; Tornado Missile Shields for Fuel Storage Building,"

J. DeVincentis to R. W. Starostecki

Subject:

Interim 10CFR50.55(e) Report; Tornado Missile Shields for Fuel Storage Building

Dear Sir:

On November 10, 1982, we reported a potential 10CFR50.55(e) deficiency

[ Reference (b)] regarding the adequacy of Tornado Missile Shield Protection on the North and West walls of the Fuel Storage Building.

In References (c) and (d) we provided interim reports on this item.

In Reference (e) we indicated that a report would be submitted to Region I by November 30, 1983. The probability analyses, as mentioned in Reference (e), to determine if any of the potential missile " windows" can be disregarded on the basis that there is an extremely low probability that a missile could enter and damage a safety-related system or component are 8312160026 831128 PDR ADOCK 05000443 PDR b

1000 Elm St.. P.O. Box 330. Manchester. NH 03105 Te'ephone (603) 669-4000 TWX 7102207595

United States Nuclear Regulatory Commission November 28, 1983 Attention:

Mr. Richard W. Starostecki Page 2 complete. We are presently evaluating the results of the probability analyses, and have yet to complete the degree of verification required to submit a final report. We now plan to submit a final report on this subject by December 30, 1983.

This information is being submitted pursuant to the interim reporting provision of 10CFR50.53(e)(3).

Very truly yours, YANKEE ATOMIC ELECTRIC COMPANY G

j John DeVincentis Project Manager JDV/MH0/bal ec: Atomic Safety and Licensing Board Service List Director, Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555

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