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5/152015 Design Maps Detailed Rept <br />Section 11.8.3 - Additional Geotechnical Investigation Report Requirements for Seismic <br />Design Categories D through F <br />From Figure 22-7 E41 PGA = 0.354 <br />Equation (11.8-1): PGA, = FQGAPGA = 1.146 x 0.354 = 0.405 g <br />Table 11.8-1: Site Coefficient FPGA <br />Site Mapped MCE Geometric Mean Peak Ground Acceleration, PGA <br />Class <br />PGA :5 0.10 PGA = 0.20 PGA = 0.30 PGA = 0.40 PGR >: 0.50 <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 />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 PGA <br />For Site Class = D and PGA = 0.3:4 g, FPS, = 1.146 <br />Section 21.2.1.1 - Method 1 (from Chapter 21 - Site -Specific Ground Motion Procedures for <br />Seismic Design) <br />From Figure 22-17 Esi <br />From Figure 22-18161 <br />CRS = 1.035 <br />CRS = 1.104 <br />