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1800 W Ashton Blvd. <br /> vivint.Solar Lehi, UT 84043 <br /> A sunrun COMPANY - <br /> J. Mafthew Walsh, Pa Kirk M.Nelson, SE Samuel Brown, PE-Civil <br /> Director of Engineering Structural Engineering Structural Engineering <br /> james.wa1shQsunrun.com kirk.ne1son@sunrun-com sam.brown@sunrun.com <br /> Mount Spacing Calculation <br /> ASCE 7-10 Simplified Procedure for Components and Cladding <br /> NDS Section 12 <br /> ICC Code Cycle 2015 <br /> Wind speed (V) 145 mph <br /> Exposure Category D <br /> Roof Slope (0) 19.0 deg <br /> Effective Wind Area 20 sf <br /> Least Horizontal Dimension 30.00 ft <br /> Adjustment Factor(A) 1.47 <br /> Topographic (Kt) 1 <br /> Panel Dead Load (Pd) 3 psf <br /> Ground Snow Load 0 psf <br /> Flat Roof Snow Load (pf) 0 psf ASCE 7-10 Eq. 7.3-1 <br /> Slope Factor(C,.,) 0.85 ASCE 7-10 Fig. 7-2b <br /> Panel Snow Load 0 psf Pfc, <br /> Total Dead Load (D) 3 psf Panel Dead Load + Roof Snow Load <br /> Portrait Landscape <br /> Vertical Spacing (L) 67in 39in Based on length of the panel <br /> Wind Pressure Zone 1 zone 2 Zone 3 <br /> Lookup Pressure (Pnet30) 31 psf 49 psf 89 psf ASCE 7-10 Fig. 30.5-1 <br /> Uplift Pressure W 46 psf 72 psf 131 psf \*Kzt*Pnet30 <br /> Fastener Type 5/16 Yield Equations NDS Table 12.3.1 A <br /> Diameter 5/16 in I m 661 lbs <br /> Fasteners 1 1 s 1248lbs <br /> Embedment(Dpen) 2 1/2 in 11 367lbs <br /> Load Duration (Cd) 1.6 Ill—m 380 lbs <br /> Pullout per Inch (W) 235 lb/in III s 3981bs <br /> 11V 343 lbs <br /> Uplift Capacity 939 lbs DpenCdW <br /> Shear Capacity 343 1 bs Based on equations from NDS 12.3.1 A <br /> vivint.Solar <br /> Page 3 of 4 A sunrun COMPANY <br />