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S Van Ness Ave <br /> <br />2x4 D.F No2 <br />ft=575 psi <br />CD (seismic) = 1.6 <br />CM = 1.0 <br />Ct = 1.0 <br />CF(Ft) = 1.0 <br />Ci=0.8 <br />Ag= 5.25 in2 <br />ft′=ft × CD × CM × Ct × Cf × Ci =763 psi <br />Ft= 736 psi×5.25 in2= 3864 lb <br />fc=1350 psi <br />CD (seismic) = 1.6 <br />CM = 1.0 <br />Ct = 1.0 <br />CF(Ft) = 1.0 <br />Ci=0.8 <br />Ag= 5.25 in2 <br />fc′=fc × CD × CM × Ct × Cf × Ci × Cp =1728 psi <br />Fc= 1728 psi×5.25 in2= 9072 lb <br /> <br /> <br /> <br />Page 14 of 213