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Page # 5 <br />CALCULATION OF DESIGN WIND LOADS <br />Wind Design Criteria <br />Wind Design Code ASCE 7-05 <br />Wind Design Method Partiallf/Fully- EriE16§621 Method <br />Basic Wind Speed V 85 mph Fig. 6-1 <br />Exposure.Category C Section.6,5.6,3 - <br />Ro-of Style Gable Roof Fig. 6-118/C/D-14Am <br />Mean.Roof Height b 15 ft Section 6.2 _ <br />Effective Roof Slope 18° <br />Effective Rafter Spacing 24" O.C. <br />Effective Wind Area (1 Module) A 17.6 sf IBC 1509.7.1 <br />Wind Pressure Calculation Coefficients <br />Wind Pressure Exposure K 0.85 Table 6-3 <br />Topographic Factor Kzt 1.00 Section 6.5.7 <br />Wind Directionality Factor Kd 0.85 Table 6-4 <br />Importance Factor I 1.0 Table 6-1 <br />Velocity Pressure h qh = 0.00256 (Kz) (Kzt) (Kd) (V'KZ) (I) <br />13.3 psf Equation 6-15 <br />Wind Pressure <br />Ext. Pressure Coefficient (Up)-0.88 Fig. 6-11B/C/D-14A/BGCp Cup) <br />Ext. Pressure Coefficient (Down)GCp (Down)0.45 Fig. 6-118/C/D-144/8 <br />Design Wind Pressure p P= Clh (GCB)Equation 6-22 <br />Wind Pressure Up P(UP)-11.7 psf <br />Wind Pressure Down P(down)10.0 psf <br />ALLOWABLE STANDOFF SPACINGS <br />X-Direction Y-Direction <br />Max Allowable Standoff Seeing Portrait 72"32" <br />Max Allowable Cantilever Portrait 24"NA <br />Standoff Configuration Portrait Not-Staggered <br />Max Standoff Tributary Area Trib 16 sf <br />PV Assembly Dead Load W-PV 3 psf <br />Net Wind-Up!® at Baridoff T-actpal ---162.lbs <br />Uplift Capacgy of Standoff T-allow 430 lbs <br />Standoff Demand/Capacity DCR 37.7%