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Project : <br />Project Number: <br />By : <br />Date : <br />Lopez, Byron <br />PE <br />13-12-2022 <br />Zone 1 Uplift <br />External Wind pressure coefficient GCp = <br />External Wind pressure, qGCp = psf <br />Zone 2 Uplift <br />External Wind pressure coefficient GCp = <br />External Wind pressure, qGCp = psf <br />All Zone Downward <br />External Wind pressure coefficient GCp = <br />External Wind pressure, qGCp = psf <br />Maximum Uplift Wind Pressure, p = psf <br />Minimum Downward Wind Pressure ,p = psf <br />Lag Screw / Bolt Connection Check (ASD) <br />Tributary Width = in (Max Spacing of fastners along Rails) <br />Tributary Length = in (Half Panel Length) <br />Tributary Area = ft2 <br />Lag Screw/Bolt Size = <br />Cd =(Refer NDS Table 2.3.2) <br />Embedment = in <br />Grade of Wood = #2 ( or better) <br />G = <br />Capacity = lb/in (Refer NDS Table 12.2A) <br />Number of Screws in Tension = <br />Prying Coefficient = <br />Capacity of Fasteners = lb <br />Demand <br />Zone 1 <br />Zone 2 0.53 <br />Pressure ASD (0.6W)(psf) <br />-16.3 <br />-21.1 19.1 403.6 760 <br />DCR <br />19.1 310.4 760 0.41 <br />Capacity (lb)Tributary Area (ft2) Uplift (lb) Zone <br />0.5 <br />266 <br />1 <br />1.4 <br />760 <br />72 <br />0.5 <br />6.8 <br />(Measured from top of the framing member to tapered tip of lag screw, <br />embedment in sheathing and tapered tip of screw is not included) <br />DF <br />-35.21 <br />-2 <br />-27.09 <br />-35.21 <br />16.0 <br />38.2 <br />19.1 <br />5/16 <br />1.6 <br />2.5 <br />-2.6 <br />3510 S Woodland <br />Pl02/10/23