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Project : <br />Project Number: <br />By : <br />Date : <br />Wood Screw Connection Check (ASD) <br />Maximum Uplift load (Wind) , p = psf <br />Maximum shear load (Seismic) ,Vs = psf <br />Maximum shear load (Wind) ,Vw = psf <br />Tributary Width = in (Max Spacing of fastners along Rails) <br />Tributary Length = in (Half Panel Length) <br />Tributary Area = ft2 <br />Wood Scew Number = <br />Cd =(Refer NDS Table 2.3.2) <br />Embedment = in <br />Grade of Wood = #2 ( or better) <br />G = <br />Uplift Capacity = lb/in (Refer NDS Table 12.2B) <br />Shear Capacity = lbs (Refer NDS Table 12K) <br />Number of Screws in Tension = <br />Prying Coefficient = <br />Capacity of Fasteners = lb <br />Demand (Uplift ) <br />Demand (Shear) <br />Combined Shear And Tension <br />+ = < 1 <br />Eugenio Sanchez <br />PE <br />25-10-2022 <br />-52.27 <br />2.5 <br />8.8 <br />48 <br />37 <br />12.3 <br />#12 <br />1.6 <br />2.5 (Measured from top of the roof/deck membrane to tapered tip of wood <br />screw) <br />DF <br />0.5 <br />154 <br />110 <br />4 <br />1.4 <br />1760 <br />Zone Pressure ASD (0.6W)(psf) Tributary Area (ft2) Uplift (lb) Capacity (lb) DCR <br />Zone 2 -31.4 12.3 386.8 1760 0.22 <br />DCR <br />1.7 12.3 21.2 176 0.12 <br />Load ASD (0.7E)(psf) Tributary Area (ft2) Shear (lb) Capacity (lb) <br />65.4 176 0.37 <br />Load ASD (0.6W)(psf) Tributary Area (ft2) Shear (lb) Capacity (lb) DCR <br />0.37 0.22 0.59 <br />5.3 12.3 <br />306 W Alpine Ave <br />12/27/22