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ASCE 7-16 Seismic Base Shear LIC# : KW-06014368, Build:20.24.06.04 Core Structure, inc.(c) ENERCALC INC 1983-2023 DESCRIPTION:Seismic Base Shear Analysis Core Structure, Inc. 23172 Plaza Pointe Drive Suite 145 Laguna Hills, CA 92653 925-270-0755 Project File: 23033.ec6 Project Title:TOM'S JR Engineer:A.T. Project ID:23033 Project Descr: Risk Category ASCE 7-16, Page 4, Table 1.5-1 Calculations per ASCE 7-16 "II" : All Buildings and other structures except those listed as Category I, III, and IV Risk Category of Building or Other Structure : Seismic Importance Factor =1 ASCE 7-16, Page 5, Table 1.5-2 Specific Description: Seismic Base Shear Analysis (Trash Enclosure) USER DEFINED Ground Motion ASCE 7-16 11.4.2 Max. Ground Motions, 5% Damping : S =1.275 Longitude =0.000 deg West S Latitude =0.000 g, 0.2 sec response deg North S 0.45601 g, 1.0 sec response= Conforms to ASCE 7 Section 12.8.1.3: Regular structure with period of 0.5 s or less, SDS limited to max of 0.7*SDS or 1.0 for calculation of Cs. For the closest datapoint grid location . . . Site Class, Site Coeff. and Design Category Classification:ASCE 7-16 Table 20.3-1"D" : Shear Wave Velocity 600 to 1,200 ft/sec =D Site Coefficients Fa & Fv ASCE 7-16 Table 11.4-1 & 11.4-2 (using straight-line interpolation from table values) Fa =1.00 Fv =1.84 Maximum Considered Earthquake Acceleration ASCE 7-16 Eq. 11.4-1S = Fa * Ss 1.275=MS S = Fv * S1 =0.841M1 ASCE 7-16 Eq. 11.4-2 Design Spectral Acceleration ASCE 7-16 Eq. 11.4-3S = S * 2/3 =0.850DSMS =0.561 ASCE 7-16 Eq. 11.4-4S = S * 2/3D1M1 Seismic Design Category ASCE 7-16 Table 11.6-1 & -2=D (Based on Testing) Resisting System ASCE 7-16 Table 12.2-1 Basic Seismic Force Resisting System . . .Cantilevered column systems detailed to conform to specific classification 2.Steel ordinary cantilever column systems NOTE! See ASCE 7-16 for all applicable footnotes. Building height Limits :Response Modification Coefficient " R "=1.25 Category "A & B" Limit:Limit = 35System Overstrength Factor " Wo "=1.25 Category "C" Limit:Limit = 35Deflection Amplification Factor " Cd "=1.25 Category "D" Limit:Not Permitted ,i Category "E" Limit:Not Permitted ,i Category "F" Limit:Not Permitted ,i Lateral Force Procedure ASCE 7-16 Section 12.8.2 Equivalent Lateral Force Procedure The "Equivalent Lateral Force Procedure" is being used according to the provisions of ASCE 7-16 12.8 Use ASCE 12.8-7Determine Building Period Structure Type for Building Period Calculation :All Other Structural Systems " Ct " value 0.020= " x " value " hn " : Height from base to highest level =8.20 ft " Ta " Approximate fundemental period using Eq. 12.8-7 : 8.000"TL" : Long-period transition period per ASCE 7-16 Maps 22-14 -> 22-17 sec Ta = Ct * (hn ^ x) =0.097 0.75 sec = Building Period " Ta " Calculated from Approximate Method selected=0.097 13 1430 E Edinger Ave 3/27/2025