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DocuSign Envelope ID:86526A21-19CF-461A-83E2-94AB21052EED <br /> r 1800 W Ashton Blvd.am nt. s o I aLehi, UT 84M <br /> Structural Group <br /> J.Matthew Walsh, PE Park M.Nelson, SE Samuel Brown,PE- Civil <br /> Director of Engineering Structural Engineering Structural Engineering <br /> james.walsh@vivintsolar com kirknelson@vivintsolar.com sam.brown r@tWWntsolar com <br /> Mount Spacing Calculation <br /> Mount Types: Uplift Shear Fasteners (Capacities based on manufacturer testing) <br /> RL-U SpeedSeal 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(6)*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(6)*D <br /> Controlling Spacing 48 in 48 in 48 in <br /> Wind Uplift on Each IF,astener <br /> Tributary Area (Arab) 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 Atib*0.6(Pd-W) <br /> Portrait 443lbs 443lbs 4431bs <br /> Landscape 338lbs 359lbs 333lbs <br /> Capacity in Uplift 443lbs 443lbs 443 Ibs Max Utilization=1.00 <br /> Demand in Shear Amb*SIN(6)*D <br /> Portrait 22lbs 14lbs 81bs <br /> Landscape 17lbs 11lbs 6lbs <br /> Capacity in Shear 238 Ibs 238 Ibs 238 Ibs Max Utilization=0.09 <br /> Page 4 of 4 N �v . s° } Lzal r <br />