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"IBC2006E.xls" Program Version 1.2 Seismic Design Category: Category(for SDS) =D IBC 2006 Table 1613.5.6(1), page 306 Category(for SD1) =D IBC 2006 Table 1613.5.6(2), page 306 Use Category =D Most critical of either category case above controls Fundamental Period: Period Coefficient, CT =0.020 ASCE 7-05 Table 12.8-2, page 129 Period Exponent, x =0.75 ASCE 7-05 Table 12.8-2, page 129 Approx. Period, Ta =0.251 sec., Ta = CT*hn^(x), ASCE 7-05 Section 12.8.2.1, Eqn. 12.8-7 Upper Limit Coef., Cu =1.400 ASCE 7-05 Table 12.8-1, page 129 Period max., T(max) =0.351 sec., T(max) = Cu*Ta, ASCE 7-05 Section 12.8-2, page 129 Fundamental Period, T =0.347 sec., T = Tc <= Cu*Ta, ASCE 7-05 Section 12.8.2, page 129 Seismic Design Coefficients and Factors: Response Mod. Coef., R =6.5 ASCE 7-05 Table 12.2-1, pages 120-122 Overstrength Factor, Wo =3 ASCE 7-05 Table 12.2-1, pages 120-122 Defl. Amplif. Factor, C d =4 ASCE 7-05 Table 12.2-1, pages 120-122 CS =0.159 CS = SDS/(R/I), ASCE 7-05 Section 12.8.1.1, Eqn. 12.8-2 CS(max) =0.244 For T<=TL, CS(max) = SD1/(T*(R/I)), ASCE 7-05 Eqn. 12.8-3 CS(min) =0.045 CS(min) = 0.044*SDS*I >= 0.01, ASCE 7-05 Eqn. 12.8-5 (Suppl. 2) Use: CS =0.159 CS(min) <= CS <= CS(max) Seismic Base Shear: V =21.56 kips, V = CS*W, ASCE 7-05 Section 12.8.1, Eqn. 12.8-1 Seismic Shear Vertical Distribution: Distribution Exponent, k =1.00 k = 1 for T<=0.5 sec., k = 2 for T>=0.5 sec. k = (2-1)*(T-0.5)/(2.5-0.5)+1, for 0.5 sec. < k < 2.5 sec. Lateral Force at Any Level:Fx = Cvx*V, ASCE 7-05 Section 12.8.3, Eqn. 12.8-11, page 130 Vertical Distribution Factor:Cvx = W x*hx^k/(SW i*hi^k), ASCE 7-05 Eqn. 12.8-12, page 130 Seismic Weight, Wx hx^k W x*h^k Cvx Shear, Fx S Story Level x (kips)(ft.) (ft-kips)(%) (kips)Shears 2 40.00 29.170 1166.8 0.480 10.35 10.35 1 96.00 13.170 1264.3 0.520 11.21 21.56 S =136.00 2431.1 1.000 21.56 Comments: 2 of 2 2/12/2025 12:39 PM HSA & ASSOCIATES 02/27/2025 Page 30 2130 E 4th St - REV 13/10/2025