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C <br />seismic Response <br />Tracy unified School District - 11221 <br />sat Dec 17 11:36:26 PST 2011 <br />Conterminous 48 States <br />2005 ASCE 7 Standard <br />Latitude = 37.7473 <br />Longitude = -121.45380000000002 <br />spectral Response Accelerations ss and S1 <br />ss and S1 = 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 1.503 (Ss, Site Class B) <br />1.0 0.499 (S1, Site Class B) <br />conterminous 48 States <br />2005 ASCE 7 standard <br />Latitude = 37.7473 <br />Longitude = -121.45380000000002 <br />spectral Response Accelerations sMs and sMi <br />SMS = Fa x ss and SM1 = FV x S1 <br />Site Class D - Fa = 1.0 ,FV = 1.501 <br />Period sa <br />(sec) (g) <br />0.2 1.503 (SMs, Site Class D) <br />1.0 0.750 (SM1, Site Class D) <br />Conterminous 48 States <br />2005 ASCE 7 Standard <br />Latitude = 37.7473 <br />Longitude = -121.45380000000002 <br />Design Spectral Response Accelerations SDs and SD1 <br />SDs = 2/3 x sMs and SD1 = 2/3 x SM1 <br />Site Class D - Fa = 1.0 ,FV = 1.501 <br />Period Sa <br />(sec) (g) <br />0.2 1.002 (SDs, Site Class D) <br />1.0 0.500 (SD1, Site Class D) <br />Page 1 <br />