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<br />For: J.M. Stewart <br />Purchase Order No.: 8798 Footer Ok <br />Sign Type & Name: Concept 38 Column Ok <br />Drawing Number: CO-38-N-2000 Bolts Tension Ok <br />Date: 1 0/2/2007 Variables: Bolts Shear Ok <br />Approx. Sign Wt, 750 Ibs. Footer: 1 Columns: 2 <br />Wind Speed 120 mph diameter 0 ft. d1 0 <br />Directionality ~ 0.85 length L: 8 ft. do 0.00 <br />Exposure Kz 0.57 width W: 2 ft. b= 4 in <br />Topographical Kzt 1.00 Height H: 3.33 ft. d= 4 in <br />Importance Factor"' 1.00 Depth D: 3 <br />Gust Effect G 0.85 Bolts: Spacing: 9 in. ell h= 3.75 in <br /> Qty: 1 k= 3.75 in <br /> Dia.: 0.334 in^2 w= 0.125 in <br />Velocity Pressure: 1 Qz=O.OO256KzKztKdV21 Area 1 Area 2 Area 3 Totals <br /> Area: 7,00 24,00 0,00 <br />Velocity Pressure: 1 17.86 height 1.00 3.00 0.00 <br /> width 7.00 8.00 0.00 <br /> Cf 1.60 1.60 1.60 <br /> centroid 0.50 2.50 4.00 2.05 ft. <br /> wind pressure 24.29 24.29 24.29 <br />Structural Material: 46000 wind force 170,03 582,97 0,00 753,00 Ibs <br /> Moment 85,02 1457,43 0,00 1542,44 Ib-in <br />Steel Fb - 46,000 psi P= F(n) #Col, n <br />Alum. Fb= 35,000 psi 527,102 1 1.0 <br />Allowable Lateral . 400.00 2 0.7 <br />S - Lateral Soil <br />Pressure 400.00 psf 3 0.5 <br />Allowable Soil Load 2000 psf <br />qz = Velocity pressure at height Z <br />Z = Height off groung of Sign Ratios: <br />Kz = Velocity Pressure Exposure Coefficient*"' Wind Force Aspect 2.67 <br />I = Importance Factor"' 582.97 Clearence 0.75 <br />V = Velocity From ASCE 7-05 Fig. 6-20 <br />P = Design Pressure <br />G = Gust Response <br />Cf = Force Coefficient for Solid Signs <br />Cv -Coefficient of Total Shear <br />D = Sign Width R1= S LD/3 <br />H = Sign Height 2.50 R1= 3200 Ibs <br /> Wind Force <br />Calculations conform to ACSE 7 and FBC 170.03 R2= S LD/3 <br />2004 including 2006 supplements. f R2= 3200 Ibs <br />Notes: <br />1. From ASCE7-05 6.5.10 0.50 <br />3. From table 1609.6D FBC 2004 Vs <br />4. Structural Tubing ASTM A500 Grade B. <br />5. Bolts are ASTM A307. ~ <br /> a I:f.> <br />6. Concrete Strength 2500 psf minimum. ~ <br />7. From table 1610.1 FBC 2004 1 ~ <br />8. Steel Pipe - ASTM A53 Grade B ~ <br />9. Steel Plates and Bares ASTM A36 3.33 t--- R1 <br />10. Structural Steel Wide Flange and WT <br />shapes ASTM A992 or ASTM A572 Grade 2.00 <br />50 1.00 - t---+ EJ <br /> R2 <br /> , 1---+ L/~ <br /> ~ t 0 <br /> "~ <br /> 1.3"~ <br /> R3 <br /> <br />~arrett . ~ <br />Windload Calculations <br /> <br />0-15 Exp. B <br /> <br />Florida #44816 <br />New York #063279-1 <br /> <br />Page 1 of2 <br /> <br /> <br />John Francis Barrett, PE <br />8259 Barton Farms Blvd. <br />Sarasota, FL 34240 <br /> <br />X:\JM Stewart\ <br />8798.xls <br />