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PROJECT NAME: 1910 HIGHLAND AVE <br />JOB: H12-1113 <br />ASCE 7-05 METHOD 2 Given data <br />\1' speed 85.0, Exposure B <br />Given Roof angle = 36.87 (9.0:12 Pitch) <br />Bldg width = 18.5 ft <br />Bldg length = 25.3 fl <br />Total height = 14.94 ft <br />Height to average roof height = 8.00 ft+6.94/3 = 10.31 ft <br />Bldg height = 8.00 f <br />Roof height = 6.94 0 <br />Edge Zone = 2a <br />Compute edge strip width <br />Lesser of: 10% of the (cast horizontal dimension <br />0.10(Width) = 0.10(18.50 0) = 1.9 R CONTROLS <br />0.10(Length) = 0.10(2533 (t) = 2.5 ft <br />40% of the cave height = 0.40(8.00 B) = 3.20 R <br />But not less 4% of the least horizontal dimension = 0.04(25.33 0) = 0.74 fl OK <br />But not less 3 It. <br />Thercforc a = 3.0 R and the End Zone = 2a = 2(3.0) = 6.0 ft <br />Velocity pressures, q_=0.00256K.K;,Kd1"1. Eq6-15 <br />Topography factor, K.,= 1.25 <br />Directionality factor, Kd= 0.85 <br />Wind pressure, p =q,,GCp-q,(GCp,) <br />q; = 0.00256(1.25)(0.85)(85.00)= (1.00)K. = 19.65K. <br />U-4k <br />Y .�Z <br />� Load Case 1 Load Case 1 <br />Hri hi t K. -lost) <br />Diaphragm 8.0 0.70 13.76 0.57 II?0 <br />,\lean Roof - I j:0.70 13.76 0.57 11.20 <br />Afar Height 140.70 13.76 0.57 11.20 <br />Gust clTcct Iuctoc,CB�,T1:85, assume Rigid Structure (ASCE 7-05 Section 6.5.8.1) <br />Internal pressure coefficient (G Cp;) = t 0.18 (ASCE 7.05 Section 6.5.8.1) <br />External wall Cp from Figure 6-6 <br />Windward wall, Cp= 0.80 for all L 1B ratios <br />Side wall, Cp= -0.70 for all L T ratios <br />CUSTOM DESIGN & ENGINEERING, INC. <br />December 8, 2008 Page 2 <br />