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I <br />t <br />I <br />T <br />I <br />I <br />I <br />I <br />I <br />6/5/2018 Design Meps Detsiled Report <br />Section 11.6 - Seismic Design Category <br />Table 11.6-1 Seismic Design Category Based on Short Period Response Acceleration Parameter <br />VALUE OF SDs <br />RISK CATEGORY <br />forII III IV <br />SDs < O.1679 A <br />O,L679<Sos<0.339 B B c <br />c D <br />D D D <br />For Risk Category = I and Sos = 1.021 9. Seismlc Design Category = D <br />Table 11.6-2 Seismic Design Category Based on 1-S Period Response Acceleration Parameter <br />VALUE OF Sor IorII IV <br />SDr < 0.0679 <br />0.0679 S So1 < 0.1339 B B c <br />O.1339sSDr<O.2Og c c D <br />0.209 < So,D D D <br />For Risk Category = I and Sor = 0.568 9, Seismic Design Category = D <br />Note: When Sr is greater than or equal to 0.759, the Seismic Design Category is E for <br />buildings in Risk Categories I, lI, and IU, and F for those in Risk Category IV, irrespective <br />of the above. <br />Seismic Design Category = "the more severe design category in accordance with <br />Table 11.5- 1 or 11.6-2" = D <br />T <br />I <br />I <br />I <br />T <br />I <br />T <br />T <br />I <br />t <br />Note: See Section 1 1.6 for alternative approaches to calculating Seismic Design Category. <br />References <br />!. Figure 22-1: https: l/earthquake. usgs.govlhazards/design maps/downloads/pdfs/2010_ASCE-7_Fiqure_22- 1. pdf <br />2. Figure 22-2: https: l/earthquake. usgs.gov/hazards/design maps/downloads/pdfs/2010_ASCE-7_Figwe_22-2.pdt <br />3. Figure 22-12: llttps: / /earthquake. usgs.gov/hazards/designmaps,/downloads/pdfs/2010-ASCE-7 _Figure_ZZ-L2.pdt <br />4. Figure 22-7: hfips:/ / eafthquake. usgs.gov/hazards/designmaps/downloads/pdfs/2010_ASCE-7_Figute_22-7 .?df <br />5. Figure 22- 17: httpsi l/earthquake. usgs.gov/hazards/designmaps/downloads/pdfs/2010-ASCE-7 -Figure_zz-17 .pdf <br />6. Figure 22-181 https: / /earthquake. usgs.gov/hazards/designmaps/downloads/pdfs/2010_ASCE-7_Figure_22- 18. pdf <br />0.339<SDs<0,509 c <br />O.5Og s Sos <br />RISK CATEGORY <br />III