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DocuSign Envelope ID:5EC95E44-6CEC-43AA-90CC-FB0976F12A5F <br /> vivin . 1' 1800 Ashton Blvd. <br /> Lehi, UT 84043 <br /> Structural Group <br /> J.Matthew Walsh,PP Kirk M.Nelson, SE Samuel Brown,PE-Uvil <br /> D&ecbor oFEngineering &nrctural Engineering Strudurai Engineering <br /> jA mes.walsWviuimsolarcom kirk.nelson@vivintsolarcom sam.brownt@wvintsolarcom <br /> Mount Spacing CalculationIN <br /> Mount Types: Uplift Shear Fasteners (Capacities based on manufacturer testing) <br /> RL-U S eedSeal 443 Ibs 238 Ibs 1 <br /> Fastener Capacity 939 Ibs 337 Ibs <br /> Controlling Capacity 443 Ibs 238 Ibs <br /> Portrait Zone 1 Zone 2 Zone 3 <br /> Uplift 37 in 35 in 37 in <br /> Shear 390 in 586 in 1173 in Capacity <br /> Manufacturer or AHJ 48 in 48 in 48 in L*SIN(A)*D <br /> Controlling Spacing 37 in 35 in 37 in <br /> Landscape Zone 1 Zone 2 Zone 3 Capacity <br /> Uplift 63 in 59 in 64 in L*0.6(D-W) <br /> Shear 668 in 1005 in 2010 in Capacity <br /> Manufacturer or AHJ 48 in 48 in 48 in L*SIN(A)*D <br /> Controlling Spacing I 48 in I 48 in I 48 in <br /> Wind Uplift on Each Fastener <br /> Tributary Area (Atrlb) Zone 1 Zone 2 Zone 3 Mount Spacing *Vertical Spacing <br /> Portrait 17 sf 11 sf 6 sf <br /> Landscape 13 sf 9 sf 4 sf <br /> Demand in Uplift Atdb*0.6(Pd-W) <br /> Portrait 443lbs 443lbs 443lbs <br /> Landscape 338lbs 359lbs 333lbs <br /> Capacity in Uplift 443lbs 443lbs 443lbs Max Utilization=1.00 <br /> Demand in Shear Atrib*SIN(6)*D <br /> Portrait 22lbs 14lbs 8lbs <br /> Landscape 17lbs 11lbs 6lbs <br /> Capacity in Shear 238 Ibs 238 Ibs 238 Ibs Max Utilization=0.09 <br /> Page 4of4y o ; <br />