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Project : <br />Project Number: <br />By : <br />Date : <br />Heras, Moureen <br />PE <br />27-04-2023 <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 fasteners 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 0.52 <br />Pressure ASD (0.6W)(psf) <br />-19.8 <br />-25.8 15.2 392.1 760 <br />DCR <br />15.2 301.6 760 0.40 <br />Capacity (lb)Tributary Area (ft2) Uplift (lb) Zone <br />0.5 <br />266 <br />1 <br />1.4 <br />760 <br />64 <br />0.5 <br />8.3 <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 />-42.93 <br />-2 <br />-33.02 <br />-42.93 <br />16.0 <br />34.25 <br />15.2 <br />5/16 <br />1.6 <br />2.5 <br />-2.6 <br />1430 N Baker St <br />06/12/23