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DocuSign Envelope ID:86526A21-19CF-461A-83E2-94AB21052EED <br /> 1800 W Ashton Blvd. <br /> vnvn n, , ,, s o i a r <br /> Structural Group Lvhi' UT <br /> J.Maffhew Walsh, PE Kirk M. Nelson,SE Samuel Brown, PE-Civil <br /> Director of Engineering Strueturai Engineering Siructurat Engineering <br /> james.waish@vivintwiar.com kirk.nelson @vivin iso far.com sam.brown@vivirmsolar.com <br /> Mount Spacing Calculation <br /> ASCE 7-10 Simplified Procedure for Components and Cladding <br /> NDS Section 12 <br /> LS i t:e,--S—pec i fi i-cl Parameters <br /> ICC Code Cycle 2015 <br /> Wind speed (V) 145 mph <br /> Exposure Category D <br /> Roof Slope (0) 26.0 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 TO 3 psf <br /> Ground Snow Load 0 psf <br /> Flat Roof Snow Load (p) 0 psf ASCE 7-10 Eq. 7.3-1 <br /> Slope Factor(CS) 0.73 ASCE 7-10 Fig. 7-2b <br /> Panel Snow Load 0 psf PfCS <br /> Total Dead Load (D) 3 psf Panel Dead Load + Roof Snow Load <br /> Portrait Landscape <br /> Vertical Spacing (L) 67 in 39 in 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 A*Kzt*Pnet30 <br /> Fastener Capacity Calculation <br /> Fastener Type 5/16 Yield Equations NDS Table 12.3.1A <br /> Diameter 5/16 in I_m 649 Ibs <br /> Fasteners 1 I s 1225lbs <br /> Embedment(Dpen) 2 1/2 in II 360 Ibs <br /> Load Duration (Cd) 1.6 III m 373 Ibs <br /> Pullout per Inch (W) 235 Win III_s 390 Ibs <br /> IV 337 Ibs <br /> Uplift Capacity 939 Ibs DPenCdW <br /> Shear Capacity 337 Ibs Based on equations from NDS 12.3.1A <br /> Page 3 of 4 vivi tr d <br />