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___________________________________________________________________________________________________________ <br />Domus Structural Engineering, LLC <br />P.O. Box 6986 <br />Broomfield, CO 80021 <br />530-864-7055 <br />Domusstructural@gmail.com <br />110 mph <br />C <br />Gable Roof <br />18 degrees <br />20 ft <br />21.3 ft <br />0 ft <br />(Eq. 26.10-1) <br />0.90 (Table 30.3-1) <br />1.00 (Fig. 26.8-1) <br />0.85 (Table 26.6-1) <br />1.00 <br />110 mph (Fig. 26.5-1A) <br />II (Table 1.5-1) <br />qh = 23.75 <br />Zone 1 Zone 2 Zone 3 Positive <br />ya =0.71 0.71 0.77 0.71 <br />GCp =-2.00 -2.63 -3.45 0.47 (Fig. 30.3) <br />Uplift Pressure =-33.8 psf -44.4 psf -63.1 psf 8.0 psf (Eq. 29.4-7) <br />ASD Uplift Pressure =-20.3 psf -26.6 psf -37.9 psf 9.6 psf <br />X Standoff Spacing = 6.00 6.00 4.00 <br />Y Standoff Spacing = 3.04 3.04166667 3.04166667 <br />Tributary Area = 18.25 18.25 12.17 <br />Dead Load on attachment = 55 lb 55 lb 37 lb <br />Footing Uplift (0.6D+0.6W) = -338 lb -454 lb -439 lb <br />Zone 1 Zone 2 Zone 3 Positive <br />ya =0.79 0.79 0.80 0.79 <br />GCp =-2.00 -2.97 -3.60 0.53 (Fig. 30.3) <br />Uplift Pressure =-37.7 psf -55.9 psf -68.4 psf 10.0 psf (Eq. 29.4-7) <br />ASD Uplift Pressure (0.6W)=-22.6 psf -33.5 psf -41.0 psf 9.6 psf <br />X Standoff Spacing = 6.00 6.00 4.00 <br />Y Standoff Spacing = 1.75 1.75 1.75 <br />Tributary Area = 10.50 10.50 7.00 <br />Dead Load on attachment = 31.50 31.50 21.00 <br />Footing Uplift (0.6D+0.6W) = -218 lb -333 lb -275 lb <br />-454 lb <br />460 lb <br />Therefore, OK <br />Fastener =2 - 5/16" dia. lag <br />Number of Fasteners = 2 <br />Embedment Depth = 2.5 <br />Pullout Capacity Per Inch = 250 lb <br />Fastener Capacity = 1250 lb <br />w/ F.S. of 1.5 & DOL of 1.6= 1334 lb <br />Therefore, OK <br />Wind Calculations <br />Maximum Design Uplift = <br />Design Wind Pressure Calculations <br />qh = 0.00256 * Kz * Kzt * Kd * Ke * V^2 <br />Kz (Exposure Coefficient) = <br />Kzt (topographic factor) = <br />Wind Speed <br />Exposure Category <br />Roof Shape <br />Roof Slope <br />Effective Wind Area <br />Per ASCE 7‐16 Components and Cladding <br />Input Variables <br />Fastener Capacity Check <br />Mean Roof Height <br />Ground Elevation <br />Kd (Wind Directionality Factor) = <br />1334.4 lb capacity > 454 lb demand <br />Ke (Ground Elevation Factor) = <br />V (Design Wind Speed) = <br />Risk Category = <br />Standoff Uplift Calculations-Portrait <br />Standoff Uplift Calculations-Landscape <br />Standoff Uplift Check <br />Standoff Uplift Capacity = <br />460 lb capacity > 454 lb demand <br />HomeAid FX Residence Santa Ana CA.xlsm 2 <br />801 E Santa Ana Blvd - <br />101116032 & 2018044512/18/2023