ML19207A310

LER 79-090/99X-0 on 790629:recent Data Indicates Nonconservatism in Rept Tornado Considerations for Nuclear Power Plants Ref in Fsar.Paper Did Not Consider That Damage Caused by Lubbock,Tx Tornado Was Possible

ML19207A310
Person / Time
Site:	North Anna
Issue date:	08/10/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19207A307	List: ML19207A306 ML19207A310 ML19207A312
References
LER-79-090-99X, LER-79-90-99X, NUDOCS 7908160433
Download: ML19207A310 (1)

Text

• .NRC F ORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7 77)LICENSEE EVENT REPORT

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" o i 3 60 61 OOCA ET NLV8E A 6d W3 EVENT C ATE 74 5 AEPORT D ATE 60 Et ENT DESCRIPTION AND PROB ABLE CONSEQUENCES h oIr lRecent data has become available to show nonconservatism in the oacer on " Torn Vn

'l Considerations for Nuclear Power Plants" by T. L. Doan.

This document is referenced li3 ,[ , ra l by the F.S. A.R. Section 9.1 regarding the Spent Fuel Pool Design.

Further analysis _ j i as been performed to indicate that the present design of the spent fuel pool is lh n i E, i adequate in light of this new data and therefore the health & safety of the general l0 aj-l lpublic wera .rt. affected.

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_CAUSE CESCRIPTICN AND CORRECTIVE ACTICNS l This new data became available following a study of the damage caused by tornado at ll Lubbock, Texas where an automobile was found hurled more than 25 ft. into the air.

l, jThis was not considered possible in the paper by T. L. Doan referenced by the F.S.A.R. ;, i.l The attached report confirms the adequacy of the present design in meeting the l, ,l criterion of' Standard Review Plan 3.5.1.d. , Rev. 1.

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• E D E SC RIP'IC'.

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