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Seismic Overturning Stability Analysis for the Tank <br />≔I 1 Importance Factor <br />SDS 1.15 <br />R 3 <br />Cs =――SDS <br />―R <br />I <br />0.383 Seismic Response Coefficient <br />Seismic Force Calculation <br />Fs =⋅Cs Wtotal ⎛⎝⋅6.84 10 3 ⎞⎠lbf <br />Overturning Moment Calculation <br />≔Moverturning1 =⋅⋅Fs ―2 <br />3 H ⎛⎝⋅3.306 10 4 ⎞⎠ft·lbf <br />Resisting Moment Calculation <br />≔FS2 =――――――Mresisting <br />Moverturning1 2.024 <br />check_FS2 =if FS1 1 “pass” “fail”“pass” <br />he tank is stable against seismic overturning at this location. <br />3 of 89 <br />3201 S Halladay St <br />5/5/2025