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Seismic Base Shear <br />≔Fs =⋅Cs WRTU ⎛⎝⋅9.583 10 3 ⎞⎠lbf <br />Overturning Moment Calculation <br />≔MSeimic =⋅⋅―Fs <br />4 <br />2 <br />3 H ⎛⎝⋅7.986 10 3 ⎞⎠ft·lbf <br />Resisting Moment Due to RTU Weight <br />≔Mresisting =⋅WRTU ―W <br />2 5.625 10 4 ⎞⎠ft·lbf <br />≔FS3 =―――Mresisting <br />MSeimic <br />7.043 <br />check_FS3 =if FS3 1.5 “pass” “fail”“pass” <br />Steel Angle Strength Check <br />Panagle =+6250 lbf 2395.83 lbf ⎛⎝⋅8.646 10 3 ⎞⎠lbf <br />Using 2-L4x4x3/8 Steel Angle (AISC Standard) <br />≔Fy 36 ksi Yield strength <br />≔S 3 in 3 Elastic Section Modulus <br />≔Mn =((⋅Fy S))9 ft·kip Moment Capacity <br />≔check_MomentCapacity =if Mn MSeimic “pass” “fail”“pass” <br />19 of 89 <br />3201 S Halladay St <br />5/5/2025