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Conterminous 48 States <br /> 2003 NEHRP Seismic Design Provisions <br /> Zip Code=98201 <br /> Spectral Response Accelerations Ss and 51 <br /> Ss and Sl = Mapped Spectral Acceleration Values <br /> Data are based on a 0.05 deg grid spacing <br /> Period Maximum Sa <br /> (sec) (g) <br /> 0.2 1.203 (Ss) <br /> 1.0 0.425 (Si) <br /> Conterminous 48 States <br /> 2003 NEHRP Seismic Design Provisions <br /> Zip Code=98201 <br /> Spectrel Response Accelerations SMs and SM1 <br /> SMs= Fa x Ss and SM1= Fv x Sl <br /> Site Class D <br /> Period Maximum Sa <br /> (sec) (g) <br /> 0.2 1.225 (SMs, fa= 1.019) <br /> 1.0 0.670 (SMl, Fv= 1.575) <br /> Conterminous 48 States <br /> 2003 NEHRP Seismic Design Provisions <br /> Zip Code=98201 <br /> Spectral Response Accelerations SDs and SDl <br /> SDs='L/3 x SMs and SD1= 2/3 x SM1 <br /> Site Class D <br /> Period Maximum Sa <br /> (sec) (g) <br /> 0.2 0.817 (SDs) <br /> 1.0 0.446 (SDl) <br /> �\ <br /> , � � <br /> � I <br /> �_ I <br />