05000346/LER-1980-091-01, /01X-3:on 801223,analysis of Concrete Walls Per IE Bulletin 80-11 Determined That Some Walls Would Be Overstressed During Seismic Event.Caused by Change in Analytical Methodology Since Walls Were Designed

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• 05000346/LER-1980-091-01, /01T-0:on 801223,during Analysis Per IE Bulletin 80-11,design for Block Wall Between Control Room & Stairway AB-1 Found to Be Less Conservative than Assumed in Fsar. Caused by Outdated Analytical Const Methods