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8112/2015 Design Maps Detailed Report <br />Section 11.4.3 - Site Coefficients and Risk-Targeted Maximum Considered Earthquake <br />(MCER) Spectral Response Acceleration Parameters <br />Table 11.4-1: Site Coefficient Fa �Cj�- <br />VEI' <br />Site Class Mapped MCER Spectral Response Acceleration Parameter at Short Period AUG 2 4 2015 <br />SS :_ 0.25 SS = 0.50 SS = 0.75 SS = 1.00 SS >_ 1.25ENVIRONMENTAL <br />i_)et,- U I-IC13n0T4ACN17 <br />A <br />0,8 <br />0.8 0.8 0.8 <br />0.8 <br />B <br />1.0 <br />1.0 1.0 1.0 <br />1.0 <br />C <br />1.2 <br />1,2 1.1 1.0 <br />1.0 <br />D <br />1.6 <br />1.4 <br />1.2 1.1 <br />See Section 11.4.7 of ASCE 7 <br />1.0 <br />E <br />2.5 <br />1.7 1.2 0,9 <br />0.9 <br />F <br />See Section 11.4.7 of ASCE 7 <br />Note: Use straight-line interpolation for intermediate values of SS <br />For Site Class = D and SS = 0.943 g, Fa = 1.123 <br />Table 11.4-2: Site Coefficient F, <br />Site Class Mapped MCE R Spectral Response Acceleration Parameter at 1-s Period <br />S1 :5 0.10 S1 = 0.20 S1 = 0.30 S1 = 0.40 S1 2: 0.50 <br />A 0.8 <br />0.8 0.8 0.8 <br />0.8 <br />B 1.0 <br />1.0 1.0 1.0 <br />1.0 <br />C 1.7 <br />1.6 1.5 1.4 <br />1.3 <br />D 2.4 <br />2.0 1.8 1.6 <br />1.5 <br />E 3.5 <br />3.2 2.8 2.4 <br />2.4 <br />F <br />See Section 11.4.7 of ASCE 7 <br />Note: Use straight-line interpolation for intermediate values of S, <br />For Site Class = D and Sl = 0.344 g, F� = 1.712 <br />httpJ/ehp2-earthquake.wr.usgs.gov/desigrffnaps/us/report.php?template=m iN mal&latitude=37.9352&Jorigitude=-121.3082&siteclass=3&riskcategory=O&edition... 2/6 <br />