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5FA Design Group, LLC <br />STRUCTURAL I GEOTECHMCAL I SPECIAL INSPECTIONS <br />Residence <br />PROJECT NO. ISHEET NO. <br />MFR22-280 <br />TE <br />[Seismic Design Criteria ICAF <br />ASCE 716 Chapters 11 A 13 <br />Soil Site Class = D (Default) Tab. 20.3-1, (Default = D) s <br />Response Spectral Ace. (0.2 sec) SS = 123.30%g = 1.233g Figs. 22-1, 22-3, 22-5, 22-6 <br />Response Spectral Ace.( 1.0 sec) St = 43.80%g = 0.438g Figs. 22-2, 22-4, 22-5, 22-6 <br />Site Coefficient Fe = 1.200 Tab. 11.4-1 <br />Site Coefficient F1, = 1.862 Tab. 11.4-2 <br />Max Considered Earthquake Ace. SMs = Fe.Ss = 1.480g (11.4-1) <br />Max Considered Earthquake Ace. SM, = F .S, = 0.816g (11.4-2) <br />@ 5% Damped Design Sos = 2/3(Sms) 0.986g (11.4-3) <br />Sol = 2/3(Sm+t) = 0.5"ga 11 (11.4-4) <br />Risk Category = II, Standard Tab. 1.5-1 <br />Flexible Diaphragm §12.3.1 <br />Seismic Design Category for 0.1 sec D Tab. 11.6-1 <br />Seismic Design Category for 1.0 sec D Tab. 11.6-2 <br />S1 < 0.75g N/A §11.6 <br />Since Ta < .8Ts (see below), SDC =F- D Exception of §11.6 does not apply <br />§12.8 Equivalent Lateral Force Procedure A. BEARING WALL SYSTEMS Tab. 12.2-1 <br />Seismic Force Resisting System (E-W) 15. Light -framed (wood) walls sheathed with wood structural panels rated for shear resistance or steel sheets <br />A. BEARING WALL SYSTEMS Tab. 12.2-1 <br />Seismic Force Resisting System (N-S) 15. Light -framed (wood) walls sheathed with wood structural panels rated for shear resistance or steel sheets <br />Ct = 0.02 x = 0.75 Tab. 12.8-2 <br />Structural height hn = 24.0 ft Structural Height Limit = 65.0 ft Tab. 12.2-1 <br />C = 1.400 for So, of 0.544g Tab. 12.8-1 <br />Approx Fundamental period, T. = Ct(h )" = 0,217 (12.8-7) <br />TL = 6 sec Figs. 22-14 through 22-17 <br />Calculated T shall not exceed <_ C.T. = 0.304 <br />Use T=F 0.22 sec <br />0.8Ts = 0.8(So,/SDs) = 0.441 Exception of §11.6 does not apply <br />Is structure Regular & <_ 5 stories ? Yes §12.8.1.3 <br />Response Modification Coefficient R <br />Over Strength Factor Q. <br />Importance factor le <br />Seismic Base Shear V <br />CS <br />or need not to exceed, Cs <br />or CS <br />Min Cs <br />Use CS <br />Design base shear V <br />E-W <br />6.5 <br />2.5 <br />1.00 <br />= CSW <br />= Sns = 0.152 <br />R/le <br />_ / S-1 = 0.386 <br />1RI1e)T <br />Sn1T, N/A <br />TZ(R/Q <br />0.5S,IjR N/A <br />0.152 <br />0.152 W <br />Max <br />Sds <_ 1.0 <br />N-S <br />1;5 <br />2.5 <br />1.00 <br />CSW <br />Sm = 0.152 <br />R/Ie <br />Sn1 = 0.386 F <br />(R/IjT <br />Sn1T, N/A Fc <br />T2(R/le) <br />0.5S,Ie/R N/A For <br />0.152 <br />0.152 W <br />Tab. 12.2-1 <br />(foot note g) <br />Tab. 11.5.1 <br />(12.8-1) <br />(12.8-2) <br />or T s TL (12.8-3) <br />it T > TL (12.8-4) <br />S, >_ 0.6g (12.8-6) <br />