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Shear Wall Overturning Checks <br />Loading <br />≔br oof 2 f tftftft Tributary area of roof bearing on shear wall <br />≔D L 3 0 p s fpsfpsfpsf Roof dead load, see "Mass Take Off" <br />≔w D _r oof =⋅br oo f D L 6 0 p l fplfplfplf Tributary roof dead load acting on wall <br />≔w D _w a l l 15 0 p l fplfplfplf Wall linear self-weight for interior wall, see "Mass Take Off" <br />≔w D =+w D _r oof w D _wa ll 2 1 0 p l fplfplfplf Restoring linear dead loads <br />acting on wall <br />=⋅0 .9 w D 1 89 p l fplfplfplf <br />Overturning Demands <br />Life Safety <br />＝M O T _L S ⋅VLS _T ―――― <br />h r oof <br />⋅C 1 C 2 μO T <br />41-17 Eq. 7-6 <br />≔h r oof 1 5 f tftftft height of the building roof <br />≔C 1 C 2 1.4 Modification Factor, Life Safety <br />≔μO T 8 .0 Overturning reduction factor from 41-17 Eq. 7-6 <br />≔M O T _L S =⋅VLS _T ―――― <br />h r oof <br />⋅C 1C 2 μO T <br />2 67 ⋅k i pkipkipkip f tftftft <br />Immediate Occupancy <br />＝M O T _I O ⋅VI O _T ―――― <br />h r oof <br />⋅C 1C 2 μO T <br />41-17 Eq. 7-6 <br />≔C 1 C 2 1.1 Modification Factor, Immediate Occupancy <br />≔μO T 4 .0 Overturning reduction factor from 41-17 Eq. 7-6 <br />22 of 100 <br />1327 S Grand Ave <br />12/12/2024