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Project: Proposed Garage Conversion to ADU Sheet 11 <br />Address:2122 N. LEWIS ST AND 2122 N. LEWIS ST. #2 Job No.2024-22 <br />SANTA ANA, CA 92706-2236 Date: <br />A.8 WIND CALCS <br />Wind Exposure Category = C <br />V = 110.00 mph <br />kz =0.85 <br />kd =0.85 <br />kzt =1.00 <br />Wind Load :(Exposure "C") <br />Velocity Pressure, qz <br />qz = 0.00256 * kz * kzt * kd * V2 <br />qz = 0.00256 * (0.85) * (1.0) * (0.85) * (110) 2 <br />qz =22.38 PSF <br />Building: Enclosed / Partially Enclosed <br /> P = q * G * cp <br />q = qz = 22.38 PSF <br /> G =0.85 <br />Cp =0.80 <br />P = (22.38) * (0.85) * (0.80) <br />P=15.22 PSF (Design Wid Pressure) <br />Area on N-S Direction (to be compared to Seismic Loading) <br />Building Length =20.00 ft (larger surface area) <br />Tributary Height =12 ft (Ave. Height, Acting on Diaphragm Level) <br />At =240 SF <br />Wind Force = P * At <br />Wind Force =(15.22 PSF) * (1100 SF) / 2 <br />Wind Force =1.83 kips (acting on diapragm level) <br />(East-West) <br />Since Wind Force < Seismic Diap. Force <br />Therefore, Seismic Force Governs <br />KM Associates Inc Structural Calculation Sheet <br />5/12/2024 <br />2122 N Lewis St & #2 <br />101118132-338/13/2024