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USGS Response Spectra Site E (mapped) <br />) Conterminous 48 States <br />2003 NEHRP Seismic Design Provisions <br />Latitude = 33.76184 <br />Longitude = -117.90094999999998 <br />Spectral Response Accelerations Ss and Sl <br />Ss and sl = Mapped Spectral Acceleration Values <br />Site Class B - Fa = 1.0 ,Fv = 1.0 <br />Data are based on a 0.01 deg grid spacing <br />Period Sa <br />(sec) (g) <br />0.2 1.389 (Ss, Site Class B) <br />1.0 0.495 (Sl, Site Class B) <br />Conterminous 48 States <br />2003 NEHRP Seismic Design Provisions <br />Latitude = 33.76184 <br />Longitude = -117.90094999999998 <br />Spectral Response Accelerations SMs and SMl <br />SMs = Fa x Ss and SM1 = Fv x Sl <br />Site Class E -Fa = 0.9 ,Fv = 2.4 <br />Period sa <br />(sec)(g) <br />0.2 1.250 (SMs, Site Class E) <br />1.0 1.188 (SM1, Site Class E) <br />Conterminous 48 States <br />2003 NEHRP Seismic Design Provisions <br />Latitude = 33.76184 <br />Longitude = -117.90094999999998 <br />Design Spectral Response Accelerations SDs and SD1 <br />SDs = 2/3 x SMs and SD1 = 2/3 x SM1 <br />Site Class E -Fa = 0.9 ,Fv = 2.4 <br />period Sa <br />(sec)(g) <br />Page 1 <br />SL Rvcd 2019.01.21