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DATE:V I N C I & A S S O C I A T E S SHEET:4 <br />PROJECT:Serrano Structural Engineers JOB NO.:22-3457 <br />2109 West Flora St 175 E. WILBUR ROAD, STE 103 • THOUSAND OAKS, CA 91360 ENGR.:JRV <br />Santa Ana, CA 805.496.2100 • VinciSE.com <br />CLIENT:Titan Solar Power <br />LATERAL FORCES: (Base Shear Calculations - 2019 CBC / ASCE-16 ) <br />SEISMIC: <br />Site Class: D (Use D if unknown) <br />S1= 0.463 (USGS Software)SS= 1.30 (USGS Software) <br />Fv = 1.7 (Table 1613.3.3(2))Fa = 1.2 (Table 1613.3.3 (1)) <br />I = 1.0 (Table 11.5-1) <br />R = 6.5 (Table 12.2-1) <br />SMS = Fa * SS = 1.554 (Eq. 16-37)SDS = (Eq. 16-39) <br />SM1= Fv * S1 = 0.787 (Eq. 16-38)SD1 = (Eq. 16-40) <br />TL = 8 s (Figure 22-12) <br />T = Ct * (hn)x = (Eq. 12.8-7)Ct = 0.02 (Table 12.8-2) <br />hn = 10.0 ft x = 0.75 (Table 12.8-2) <br />* *GOVERNS * * <br />VMIN = ( SDS) / ( R / I ) =0.16 W (Eq. 12.8-2) <br />NEED NOT EXCEED: <br />IF T ≤ TL USE: <br />V = ( SD1) / T *( R / I ) =W (Eq. 12.8-3) <br />IF T TL USE: <br />V = ( SD1)*(TL) / T² *( R / I ) =W (Eq. 12.8-4) <br />SHALL NOT BE LESS THAN: <br />V = W (Eq. 12.8-5)0.01 <br />51.06 <br />0.72 <br />12/13/2022 <br />0.112 s <br />1.04 <br />0.52 <br />²/3 * SMS = <br />²/3 * SM1 = <br />2109 W Flora St <br />01/27/23