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Eg9 Sills&hill Tacoma,Washington Designed: OMA Date: 11 1 2022 Project Number: 19,933 <br /> 253-474 9449 Checked: CJT Date: 11 4 2022 6 <br /> Project: Emerald Court Carports <br /> LATERAL ANALYSIS, CONTINUED <br /> SEISMIC DESIGN CRITERIA: <br /> Horizontal seismic forces shall be determined as permitted by 2018 IBC Section 1613.1 in <br /> ASCE 7-16 Section 12.8 with the Equivalent Lateral Force Procedure. <br /> R:=1.25 response modification coefficient,Table 12.2-1 <br /> /e:=1.00 seismic importance factor,Table 1.5-2 <br /> Ct:=0.02 building period coefficient,Table 12.8-2 <br /> x:=0.75 building period coefficient,Table 12.8-2 <br /> To:=Ct•h" •( s1=0.095 s approximate fundamental period,Section 12.8.2.1 <br /> l ftx J <br /> T:= To as permitted by Section 12.8.2 <br /> D Seismic Design Category <br /> SDs:=1.110 design,5%damped, spectral response acceleration <br /> parameter at short periods,Section 11.4.2 <br /> SD,:=0.594 design, 5%damped, spectral response acceleration <br /> parameter at short periods,Section 11.4.2 <br /> C,,:= SDS =0.888 seismic response coefficient, (12.8-2) <br /> Rl <br /> Csz:= SDR •(s)=4.995 seismic response coefficient, (12.8-3) <br /> T•('e l <br /> Cs:=max min(CS1, Csz),0.044•SDs•le 0.01)=0.888 per 12.8.1.1 <br /> STRUCTURE SEISMIC WEIGHT: <br /> wdeck:=1.03 psf wbeam:=10 Plf <br /> wpudin:=6.43 plf wpost:=11.97 pif 11 <br /> WE:= wdeck A-B+2 Wpu,(in A+2 wbeam'(10 ft)+2 I wpost'12 hJJ=1426.16 lbf <br /> HORIZONTAL SEISMIC FORCE: ` \ <br /> p:=1.3 redundancy factor, Section 12.3.4.2 <br /> Eh:=p•Cs• WE=1646.4 lbf per Section 12.4.2.1 <br />