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WIND LOADS Section 6.4 SEI/ASCE 7-02 <br />Roof Pitch 9 :12 or 36.87 degrees <br />Ridge Elevation 28 ft <br />Eave Height 18 ft <br />Mean Roof Height, h 23 ft <br />Main Windforce Loading F6-2 (417 <br />End zone distance. 2a, where "a" equals the smaller of 10 percent of least horizontal <br />dimension (I.h.d.) or 0.4h, but not less than either 4 percent of Ihd or 3 feet. <br />Diaphragm 2 <br />I.h.d. (ft) = 31 <br />2a (ft) = 6.2 Areas <br />Front to Rear <br />A <br />B <br />C <br />D <br />64 <br />1 180 <br />96 <br />k240 <br />6.2 (241 <br />Side to Side <br />A <br />B <br />C <br />D <br />74 <br />104 <br />143 <br />24 <br />Diaphragm 1 <br />I.h.d. (ft) = 40 <br />2a (ft) = 8 Areas <br />Front to Rear <br />Side to Side <br />A <br />B <br />I C <br />D <br />A <br />B <br />C <br />D <br />144 <br />0 <br />216 <br />0 <br />104 <br />86 <br />93 <br />97 <br />Simplified Wind Load Method 6.4 f27 <br />Basic Wind Speed 85 mph 1609.3[2891, F1609[2841 <br />Wind Exposure Category B 1609.412901 <br />Wind Importance Factor 1.00 1609.5[290], T1604.5[272] <br />Height & Exposure Adjustment X = 1.00 T1609.6.2.1(4) [297] <br />Wind Pressures 1609.6.2.1 (2911 <br />P s- ;�'I w*p s30 EQ 16-34[2911 <br />Minimum pressures shall not be less than assuming the pressures for 1609.6.2.1.1(291] <br />zones A, B, C, & D all equal 10 psf, while zones E, F, G, & H all equal zero. <br />Zone Pressures, (A)(Iw)(Ds3o) T1609.6.2.1(1) [2947 <br />85 Horizontal Pressures <br />Vertical Pressures <br />Overhangs <br />0 A <br />B <br />C <br />D <br />E <br />F <br />G <br />H <br />off <br />off <br />1 12.90 <br />8.80 <br />10.20 <br />7.00 <br />1.00 <br />-7.80 <br />0.30 <br />-6.70 <br />-4.50 <br />-5.20 <br />12.90 <br />8.80 <br />10.20 <br />7.00 <br />5.00 <br />-3.9 <br />4.30 <br />-2.80 <br />-4. 0 <br />- .20 <br />D <br />F x- '', p sx'Xl <br />x = A <br />Diaph 2 <br />Diaph 1 <br />Front to Rear <br />Fx = 5069 <br />Fxmin = 5800 <br />Fx = 4061 <br />Fxmin = 3600 <br />Side to Side <br />Fx = 3496 <br />Fxmin = 3450 <br />Fx = 3726 <br />1 Fxmin = 3800 <br />V 1.0 1.1.1 <br />