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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 ftz <br /> Roof Angle 32 degrees'OIAR PANEL/ <br /> ROOFING <br /> Wind Speed 110 mph LF(W <br /> Exposure Coefficient, K, 0.85 <br /> Topographic Factor, K, 1 ROOINI <br /> MINI <br /> CHKO <br /> Directionality Factor, Kd 0.85 7#Rail <br /> Elevation Factor, Ke 1.00 <br /> Velocity Pressure, q, 22.3 psf Mount through roof sheathing <br /> into existing rafters <br /> Zone 1 Zone 2e Zone 3 <br /> GCp(max) 1.24 1.47 1.78 <br /> Exposed Panels?(YE= 1.5) No No No <br /> Pressure Equalization Factor,V, 0.79 0.79 0.79 <br /> Uplift Force 21.7 25.8 31.2 psf <br /> Max. Uplift Force/Connection (1.0 WL) 235.0 279.4 337.6 lbs <br /> ASD Factored (0.6 WL) 141.0 167.6 202.5 lbs <br /> Solar Dead Load (0.6 DL) 16.8 16.8 16.8 lbs <br /> Max. Uplift Force (0.6 WL-0.6 DL) 124.1 150.8 185.7 lbs <br /> Connection Capacity <br /> Connection Type RT Mini into 2x Rafter <br /> Total Allowable Capacity 447.0 lbs (per manufacturer) <br /> Compare ASD Factored Demand to Capacity <br /> Demand 185.7 lbs <br /> Capacity 447.0 lbs <br /> Result Capacity exceeds demands.Therefore,connection passes. <br />