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Thornton Tomasetti 32 of 234 <br />10 5 Lld-31 27 It <br />M- L3 Max X-Disp L3 Max X-Drift L3 Max Y-Disp L3 Max Y-Drift <br />50%/50YR 1.56 in 0.48%1.49 in 0.46% <br />39%/50YR 1.79 in 0.55%1.74 in 0.54% <br />20%/50YR 2.88 in 0.89%2.65 in 0.82% <br />DRIFT SUMMARY <br />50%/50YR Max X-Disp Max Y-Disp <br />5 1.56 in 1.49 in <br />10 1.56 in 1.29 in <br />15 1.46 in 1.49 in <br />35 1.46 in 1.29 in <br />39%/50YR Max X-Disp Max Y-Disp <br />5 1.79 in 1.74 in <br />10 1.79 in 1.47 i n <br />U 1.74 in15 1.54 in <br />35 1.54 in 1.47 in <br />20%/50YR Max X-Disp Max Y-Disp <br />5 2.88 in 2.65 in <br />10 2.88 in 2.42 i n <br />15 2.73 in 2.65 in <br />35 2.73 in 2.42 in <br />, , I , 135 15 MAX DISPLACEMENTS BY NODE FROM ALL FOUR GROUND MOTIONS <br />LEVEL 3 PLAN VIEW - FOUR CORNER JOINT IDs <br />NOTE <br />DUE TO THE ACCIDENTAL ECCENTRICITY ASSIGNED IN THE POSITIVE X AND Y DIRECTIONS <br />(SOUTH AND WEST), X-DISPLACEMENTS FOR NODES 5 AND 10 ARE HIGHER WHILE <br />Y-DISPLACEMENTS IN NODES 5 AND 15 ARE HIGHER AS THE CONCRETE SLABS ARE MODELED AS <br />RIGID DIAPHRAGMS, THERE IS NO DEFORMATION BETWEEN NODES ONLY RIGID-BODY <br />ROTATIONS EXIST TO DIFFERENTIATE DISPLACEMENTS BY INSPECTION. DRIFTS AT UPPER <br />STORIES WERE LESS CRITICAL AS THE FLOOR HEIGHTS ARE SINGLE-STORY WHEREAS LEVEL 1 TO <br />3 IS DOUBLE-HEIGHT EVEN IN AN EXTREME 20°/0/50YR (225 YR) EVENT, THE DAMPED TOWER <br />EXPERIENCES LESS THAN 1%DRIFTS