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Design Maps Detailed Report https://earthquake.use/cnl/designmaps/us/report.php?template=mi... <br /> Section 11.8.3 - Additional Geotechnical Investigation Report Requirements for Seismic Design Categories D <br /> through F <br /> From Figure 22-7(41 PGA = 0.548 <br /> Equation (11.8-1): PGAM = FPGAPGA = 1.000 x 0.548 = 0.548 g <br /> Table 11.8-1: Site Coefficient FPGA <br /> Site Mapped MCE Geometric Mean Peak Ground Acceleration, PGA <br /> Class <br /> PGA< PGA= PGA= PGA = PGA>_ <br /> 0.10 0.20 0.30 0.40 0.50 <br /> A 0.8 0.8 0.8 0.8 0.8 <br /> B 1.0 1.0 1.0 1.0 1.0 <br /> C 1.2 1.2 1.1 1.0 1.0 <br /> D 1.6 1.4 1.2 1.1 1.0 <br /> E 2.5 1.7 1.2 0.9 0.9 <br /> F 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=0.548 g,FPGA =1.000 <br /> Section 21.2.1.1 - Method 1 (from Chapter 21 - Site-Specific Ground Motion Procedures for Seismic Design) <br /> From Figure 22-17153 CRs = 0.935 <br /> From Figure 22-18(67 CR1 = 0.923 <br /> „S.gpT'- 8/4/17, 10:31 AM <br />