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Design Maps Detailed Report Page 5 of 6 <br />Section 11.8.3 - Additional Geotechnical Investigation Report Requirements for Seismic Design <br />Categories D through F <br />From Figure 22-7 "1 PGA = 0.530 <br />Equation (11.8-1): PGA, = F,S PGA = 1.000 x 0.530 = 0.53 g <br />Site <br />Class <br />Table 11.8-1: Site Coefficient FPGA <br />Mapped MCE Geometric Mean Peak Ground Acceleration, PGA <br />PGA <- PGA = PGA = PGA = PGA >- <br />0.10 0.20 0.30 0.40 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 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 <br />interpolation for intermediate values of PGA <br />For Site Class = D and PGA = 0.530 g, F,�a = 1.000 <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 r51 CRS = 1.036 <br />From Figure 22-18[61 <br />CR1 = 1.070 <br />https://prod01-earthquake. cr. usgs. gov/desig nma ps/us/re po rt. php?template=minimal&latitude=33.775505&I... 10/25/2018 <br />