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Earthquake load (Zone -1) <br />General Input <br />USGS-Provided output <br />*Fa/Fv *2/3 <br />≔Ss 1.45 g ≔SMS 1.72 g ≔SDS 1.15 g <br />≔S1 0.48 g ≔SM1 1.16 g ≔SD1 0.78 g <br />The Response Modification factor <br />≔R 3.5 CFS special bolted moment frame <br />≔Fa 1.2 <br />≔Fv 1.5 <br />The Occupancy Importance Factor <br />≔I 1 Importance factor <br />≔ρ 1 Art. 12.3.4 <br />Seismic Response Coefficient <br />≔Cs = <br />SDS <br />―R <br />I <br />0.329 g <br />Approximate Fundamental Period <br />≔Ct 0.028 <br />≔hn 10 ft <br />≔x 0.8 <br />≔Ta =⋅Ct hn <br />x ⎞⎠0.177 <br />Fundamental Period <br />≔Cu 1.5 <br />≔T =⋅Cu Ta 0.265 <br />Page 7 of 44 <br />3201 S Halladay St <br />5/5/2025