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Pitzer&Associates, PLLC 23-109 1SL 4GL ESDLR IBC ver1B-1.xmcd 4/12/2023 <br /> 5.0 General Seismic Design Criteria <br /> Mapped Maximum Considered Earthquake Spectral Acceleration <br /> SS:= 1.4128 <br /> s1:=0.5423 <br /> Site Class D,(Assumed) <br /> Fa:= 1.20 <br /> Fv:= 1.74 <br /> • <br /> SMs=Fa*SS , .- <br /> SMS:= Fa,SS SMS= 1.70 <br /> SM1 =F*S1 . , <br /> SM1 :=FvS1 SM1 = 0.94 <br /> Design Spectral Response Acceleration Parameters <br /> SDS=2/3*SMS <br /> SDS:=�3ISMS SDS= 1.130 <br /> • <br /> SD=2/3*SM1 <br /> 2` <br /> SD1 3 •SM1 SD1=0.629 <br /> Approximate Fundamental Period,Ta <br /> ct:=0.02 <br /> x:= .75 <br /> rill:= 15 height in ft from the base to the highest point of the structure <br /> Ta:=Ct•hnx <br /> Ta=0.152 <br /> 1 SL Version 18.1 Page 5 <br />