ML19339C844

LER 81-002/03L-0:on 810106,postulated Failure of Masonry Wall 24-B-217/218 Per IE Bulletin 80-11,resulted in Loss of Cables 2BS3L1 & 2BS3L2 to Containment Cooling Fans.Wall Braced in Accordance W/New Design Criteria

ML19339C844
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/02/1981
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19339C843	List: ML19339C842 ML19339C844
References
IEB-80-11, LER-81-002-03L, LER-81-2-3L, NUDOCS 8102120087
Download: ML19339C844 (1)

Text

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EVENT DATE 74 FS HEPOa7OATE 80 3 8 60 61 DOCK ET NuMSER EVENT DESCRIPTION ANC PEkO9 ABLE CONSEQUENCES h fol2: I Durina a review of block walls, oursuant to I.E.Bulletin 80-11, it was i 1o121I identified that a postulated failure of masonry wall, 24-B-217/218, wouldi io o i i result in loss of cables 2BS3L1 and 2BS3L2, which feed containment cooling le 151 i fans, 2VSF-1A/B. Both containment spray loops would remain orocable, as i ic is i t will the redundant containment cooling unit group. Na similar occurrences.

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4/ 43 as op CAUSE DESCR PTION ANO CURRECflVE ACTIONS 27 liloi i The desian criteria specified in I.E.Bulletin 80-11 was more restrictives tilii I than that used in the criainal design. When the subject masonry wall wasi

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