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Seismic Base Shear <br /> Building Weights Contributing to Seismic Forces <br /> Diaphragms <br /> Wdiaphragm_exist 1750ft2 SDLrf + (1029ft2) SDLflr Wdiaphragm_exist=37•kip <br /> 2245ft2•SDL� + (1029ft2)•SDLflr Wdiaphragm Wdiaphragm =43•kip <br /> Wals <br /> Wwalls_T (pext w + pint)Awa11_T'2 Wwa11s T=29•kip <br /> Wwalls_L (pext_w + pint)Awall_L'2 WwallsL = 37 kip <br /> Shear Loads <br /> Transverse <br /> Vsu Texist Cs wood'(Wdiaphragm_exist+ Wwa11s T) VsuTexist=9.73•kip <br /> Vsu_T Cs_wood'(Wdiaphragm + Wwalls_T) VsuT= 10.62•kip <br /> checksu T if(Vsu_T 1.10•Vsu Texist,"NG","OK") ratio := Vsu_T = 1.09 checksu_T= "OK" <br /> V <br /> su Texist <br /> Longitudinal <br /> Vsu Lexist'= Cs_wood'(Wdiaphragm_exist + Wwalls_L) Vsu Lexist = 10.83•kip <br /> Vsu L Cs wood'(Wdiaphragm + Wwalls_L) VsuL= 11.72•kip <br /> checksu L:= if(Vwu L >_ 1.10•Vwu Lexist'"NG","OK") ratio:= Vwu—L = 1.03 checkwu_L="OK" <br /> Vwu Lexist <br /> Added lateral forces from remodel< 10%greater than existing, therefore no upgrades required per IEBC 3403.4. <br /> Lateral Summary (ASD) <br /> Seismic/Wind Shearwall Capacity Factor C sw _ 310psf _0.71 <br /> (ref.NDS Shearwall Capacities) _cap 435psf <br /> Wind Seismic <br /> Transverse VW_T:= 0.6V T'Csw_capwu_ = 15.171•kip Vs T := 0.7Vsu T=7.43 kip <br /> VT:= if(Vw T>Vs T,"WIND CONTROLS","SEISMIC CONTROLS") ="WIND CONTROLS" <br /> Longitudinal VW_L:= 0.6Vwu_L'Csw_cap= 18.7•kip Vs_L := 0.7Vsu L=8.21•kip <br /> VL:= if(VW L >Vs L,"WIND CONTROLS","SEISMIC CONTROLS") = "WIND CONTROLS" <br /> 02 Lateral Analysis.xmcd ///3 <br /> S10 <br />