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CITY OF SANTA ANA <br />Planning and Building Agency <br />Soil Site Class = <br />D <br />Risk Category = <br />u <br />From Spectrum Data: <br />Ss = <br />1.283 g <br />S, = <br />0.459 g <br />SMs = <br />1.540 g <br />SM, = <br />0.845 g <br />Seismic Response Coefficient: <br />Building Height h = 10.8 ft <br />R = 5.5 <br />1 = 1.00 <br />Cs = SDS / (R / 1) <br />0.187 <br />C, = o.oz <br />T = C, h" <br />0.119 sec <br />Cs,m. = SW / T(R / 1) <br />= SD,TL / T2(R / 1) <br />0.858 <br />C's,min = 0.010 <br />Therefore, Cs = 0.187 <br />Seismic Load Effect: <br />E= pC,W±0.2SDSW <br />0.243 W (Ibs) <br />(Lateral) <br />0.7 E = 0.170 W (Ibs) <br />(Lateral) <br />Approved <br />EQU PERMIT UANCE <br />PAGE: <br />DATE: <br />CBC) <br />(from ATC Hazards by Location) <br />F = 1.84 <br />SDS = 2/3 SMs = 1.027 g <br />Sol = 2/3 SM, = 0.563 g <br />Seismic Design Category = D <br />P = 1.3 <br />(for Building Structure - Light -frame walls) <br />x = 0.75 <br />TL = 8 sec <br />< TL <br />for T<TL <br />for T > TL <br />Si = 0.563 < 0.60 <br />± 0.205 W (Ibs) <br />(Vertical) <br />± 0.144 W (Ibs) <br />(Vertical) <br />(ASCE 7,12.3.4.2) <br />(ASCE 7, Table 12.2-1) <br />(ASCE 7, 12.8.1.1) <br />(ASCE 7, Table 12.8-2) <br />(ASCE 7, Figure 22-15) <br />(ASCE 7, 12.8.1.1) <br />(ASCE 7,12.4.3) <br />