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≔TL 8 <br />Maximum seismic response coefficient <br />≔Cs_max =if <br />⎛ <br />⎜ <br />⎝ <br />,,≤T TL ――― <br />SD1 <br />⋅Ta <br />⎛ <br />⎝ <br />R <br />I <br />⎞ <br />⎠ <br />⋅SD1 TL <br />⋅Ta <br />2 ⎛ <br />⎝ <br />R <br />I <br />⎞ <br />⎠ <br />⎞ <br />⎟ <br />⎠ <br />1.261 g <br />Minimum seismic response coefficient <br />≔Cs_min =0.5 <br />S1 <br />―R <br />I <br />0.069 g <br />=if ,,>>Cs_max Cs Cs_min “OK” “NOT OK”“OK” <br />Weight of the structure (Zone 1) <br />≔W 62 kip RISA 3D (Dead load) <br />Base Shear <br />= <br />Cs <br />g <br />0.3 <br />≔V =⋅ <br />Cs <br />g <br />W 20.4 kip <br />≔N 23 Number of post <br />=V <br />N <br />0.9 kip <br />≔Ev =⋅⋅0.2 <br />SDS <br />g <br />W 14.3 kip <br />Page 8 of 44 <br />3201 S Halladay St <br />5/5/2025