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CALCULATION OF DESIGN WIND LOADS <br />Wind Design Criteria <br />Wind Design Code ASCE 7-05 <br />Wi.d.C?esign Method 8-- 2 . Partially/Fully Enclosed Method " r- '' r <br />Basic Wind Speed V 85 mph Fig. 6-1 <br />Exposure Category U .(2 -_ a Section 6.5.6.3 <br />Roof Style Gable Roof Fig. 6-118/C/D-14A/B <br />Meah Roof Height q .h 25 ft Section 6.2 <br />Effective Roof Slope 24° <br />16" O.C.Effdive Rafter Spacing <br />Effective Wind Area (1 Module) A 17.6 sf IBC 1509.7.1 <br />Wind Pressure Calculation Coefficients <br />Wind Pressure Exposure Kz <br />Igppgraphic Factor 1<Zt <br />Wind Directionality Factor Kd <br />Importance Factor I <br />Velocity Pressure h <br />0.95 <br />1.00 <br />0.85 <br />1-.0; <br />qh = 0.00256 (Kz) (Kzt) (Kd) (VA2) (I) <br />14.9 psf <br />Table 6-3 <br />Sedtion 6.5.7 <br />Table 6-4 <br />Table 6-1 <br />Equation 6-15 <br />Wind Pressure <br />Ext. Pressure Coefficient (UP)-0.88 Fig. 6-118/C/D-14A/BGCu.(UP) <br />Ext. Pressure Coefficient (Down)GCp teown}0.45 Fig. 6-11B/C/D-14A/B <br />Design Wind Pressure p p=qh (Gep)Equation 6-22 <br />Wind Pressure Up P(UP)-13.0 psf <br />Wind Pressure Down P(down)10.0 psf <br />ALLOWABLE ATTACHMENT SPACINGS (IN.) <br />X-Direction Y-Direction <br />Max Allowable Foot Spacing Landscape 64"39" <br />Max Allowable Cantilever Landscape 24" NA <br />Standoff Configuration Landscape Not-Staggered <br />Max Standoff_Tributary Atea__ -Trib 17 sf <br />PV Assembly Dead Load W-PV 3 psf <br />Net_Wind Uplift at Attachment __ _Tuactual -197 lbs <br />Uplift Capacity OLAttachment T-allow 637 lbs <br />Attachment demand/(fapacity DCR 31.0%