ML19242A879

LER 79-042/03L-0 on 790706:support Beams for Snubber B RHR Heat Exchanger Steam Condensing Line Were Unable to Carry Loads Under Worst Case Seismic Conditions.Cause Unstated. Beams Reinforced Per Redesign & Plant Mod

ML19242A879
Person / Time
Site:	Brunswick
Issue date:	08/02/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19242A873	List: ML19242A872 ML19242A879
References
LER-79-042-03L-01, LER-79-42-3L-1, NUDOCS 7908060545
Download: ML19242A879 (1)

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LICENSEE EVENT REPORT

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• c ,nd h,ngarn nn c , f o r y.j o a Irelated lines, resulting from IE Bulletin 79-07. the sunoort beams for snubber o 4 11E11-49SS334 "B" RHR heat exchanger steam condensing line. were not canable of I o s lcarrying the calculated loeds under worst case seismic conditions. l 0 6 ITechnical Specification 3.7.5. 6.9.1.9b I cl7 l l d ti l l

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40 41 42 43 44 47 CALSE DESCRIPTION AND CORRECTIVE ACTIONS h 1 o lThe support beams were reinforced as per UE&C redesign and plant modification 79-123.

1 1 (The reanalvsis of all safety-related lines listed in th e final report will be cenH n odl lto determine if any other supports need modification. All supports requiring modifica-1 1 >

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