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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 8 <br /> Project: Emerald Court Carports <br /> LATERAL ANALYSIS, CONTINUED <br /> WIND DESIGN CRITERIA FOR MAIN WINDFORCE-RESISTING SYSTEM: <br /> Vertical forces applied to MWFRS will be determined using Directional Procedure,as <br /> outlined in Chapter 27 of the ASCE 7-16. <br /> Diagrams <br /> L L <br /> 0.5L 0.5L 0.1L 0.5L <br /> CNW CM, <br /> Wind j CNL CNW Wind <br /> Direction Direction <br /> 00 h 0h 0� y 0° <br /> Y-�° <br /> Notation <br /> L=Horizontal dimension of roof,measured in the along-wind direction,ft(m). <br /> It=Mean roof height,ft(m). <br /> y=Direction of wind,degrees. <br /> 0=Angle of plane of roof from horizontal,degrees. <br /> Net Pressure Coefficient, CN <br /> Wind Direction,7=0° Wind Direction,1=180' <br /> Clear Wind Flow Obstructed Wind Flow Clear Wind Flow Obstructed Wind Flow <br /> Roof Angle,0 Load Case CNW CNL CNW CNL CNW CNL CNW CNL <br /> 0° A 1.2 0.3 -0.5 -1.2 1.2 0.3 -0.5 -1.2 <br /> B -1.1 -0.1 -I.I -0.6 1.1 -0.1 -1.1 -0.6 <br /> ASCE 7-16 Table 27.3-4 <br /> 6:=atan\0.2512 /=1.2 roof slope, 1/4: 12, in degrees, use 0 deg. load coefficients <br /> J <br /> CASE A: CNWA:=1.2 CASE B: CNWB:=-1.1 <br /> CNLA:=0.3 CNLB:=-0.1 <br /> G:=0.85 as permitted by 26.11.4 <br /> PNwA:=qh-G-CNwA=11.9 psf (27.3-2) <br /> PNLA:=qh- G-CNLA=2.98 psf <br /> PNwB:=qh-G-CNWB=-10.91 psf <br /> PNLB:=qh-G•CNLB=-0.99 psf <br />