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19011 Wood-Sno Road NE,Suitc 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> ENGINEERING Fax:425-821-2120 <br /> Benton Square TH Revision Date: 1/11/2021 <br /> Unit Type 'B' <br /> Redundancy,p!1.0 v(Section 12.3.4) <br /> Design Base Shear <br /> SMs = Fe Ss (Eq. 11.4-1) SM1= F„SI (Eq. 11.4-2) <br /> = 1.42 = 0.89 <br /> S Ds = z/S Ms (Eq. 11.4-3) S D t = s/3 S M 1 (Eq. 11.4-4) <br /> = 0.95 = 0.60 <br /> Seismic Design Category: Structure Period and Weight: <br /> Short Period-- D <br /> 1-Second Period-- D Ct = 0.020 Table 12.8-2 <br /> x = 0.75 <br /> Building Height(Mean Roof),h„ = 32 ft <br /> Approximate Fundamental Period, T. = Cf (h„)" (Eq. 12.8-7) <br /> T = T8 = 0.27 <br /> TL = 6 (Figs. 22-14 thru 22-17) <br /> Calculated design base shear <br /> V= C. W (Eq. 12.8-1) <br /> SDS <br /> Cs = (R) (Eq. 12.8-2) <br /> 7e <br /> Cs = 0.15 <br /> The total design base shear need not exceed. <br /> (Eq. 12.8-3) (Eq. 12.8-4) <br /> for T s_ Tr CS = SDI SDITL <br /> 7 \1, for T TL Cs = T2 rRN <br /> Cs = 0.34 CS = 7.53t <br /> Cs = 0.34 T<_TL <br /> CS = 0.51 1.5 times Cs in accordance with 11.4.8 <br /> The total design base shear shall not be less than: <br /> Cs = 0.044SDsle >_0.01 (Eq. 12.8-5) <br /> Cs = 0.04 <br /> nor where S f _> 0.6g: <br /> C s = 0.5S l/(R/le) (Eq. 12.8-6) <br /> Cs = 0.00 <br /> CS = 0.15 <br /> V= 0.15W <br /> Date: 5/30/2023 <br /> Page: L1.3 g <br />