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SOLGr- N <br /> P O W E R <br /> RT Mini Connection Calculation <br /> This calculation justifies the connection of the solar panels to existing roof members, by showing the connection <br /> capacity is equal to or greater than the uplift force demands. <br /> Connection Demand <br /> Spacing perpendicular to rail 32.5 in 1/2 panel length <br /> Spacing parallel to rail 48 in Max spacing <br /> Effective Wind Area on each connection 10.8 ft` <br /> Roof Angle 18 degrees SOLAR PANEL/ _ L <br /> ROOFING <br /> Wind Speed 110 imph LFOOT <br /> Exposure Coefficient, K, 0.94 <br /> Topographic Factor, K, 1 ftOO MINI <br /> CHIKO <br /> Directionality Factor, Kd 0.85 <br /> Elevation Factor, Ke 0.99 <br /> Velocity Pressure, q, 24.4 psf Mount through roofsheathing <br /> into existing rafters <br /> Zone 1 Zone 2e Zone 3 <br /> GCp(max) 1.80 2.57 2.57 <br /> Exposed Panels?(y,= 1.5) No No No <br /> Pressure Equalization Factor,ya 0.79 0.79 0.79 <br /> Uplift Force 34.5 49.2 49.2 psf <br /> Max. Uplift Force/Connection (1.0 WL) 373.7 533.2 533.2 Ibs <br /> ASD Factored (0.6 WL) 224.2 319.9 319.9 Ibs <br /> Solar Dead Load (0.6 DL) 17.0 17.0 17.0 Ibs <br /> Max. Uplift Force (0.6 WL-0.6 DL) 207.2 302.9 302.9 Ibs <br /> Connection Capacity <br /> Connection Type RT Mini into 2x Rafter <br /> Total Allowable Capacity 447.0 Ibs (per manufacturer) <br /> Compare ASD Factored Demand to Capacity <br /> Demand 302.9 Ibs <br /> Capacity 447.0 Ibs <br /> Result Capacity exceeds demands.Therefore,connection passes. <br />