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<br /> <br /> <br /> <br /> <br /> <br />3rd & Broadway, Santa Ana, CA <br />Volume 1 - Basis of Design June 17, 2024 | Project # S21043.00 <br /> pg. 34 <br />Parameters Sds and Sd1 provided in Table 2.6.2-1 <br /> Sds= 1.177 <br /> Sd1= 0.736 <br />Equivalent Lateral Force Procedure Base Shear: <br /> V = W*Cs <br /> Cs = Sds/(R/I) = 0.235 <br /> Csmax = Sd1/(T*R/I) = 0.1373 <br /> Csmin = 0.044*Sds*I = 0.044*1.000*1.0 = 0.052 <br />➔ Cs = 0.137 <br />Seismic Weight W = 17,641 kips <br />V = 18,968*0.1373 <br />➔ V = 2,605 kips <br />Response Spectrum Base Shear: <br /> V = 1.0*Velf = 1.0*2,605 <br />➔ V = 2,605 kips <br /> <br /> <br />