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<br /> <br />W Park Ln <br /> <br /> U.S. Office: <br />Canada Office: <br />77 Waldorf, Irvine, CA 92612 <br />550 HWY 7, Unit 315, Richmond Hill, ON L4B 3Z4 <br /> +1 949-979-5003 <br />+1 289-597-0455 <br />15 <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 <br />′=ft × CD × CM × Ct × Cf × Ci =736 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 × C =1728 psi <br />Fc= 1728 psi×5.25 in2= 9072 lb <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Page 16 of 290