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Excel Engineering, Inc. 11/18/2009 Page# <br /> 1 <br /> Design Pressure Coefficients: Analytical Method - All Heights (ASCE 7 -05) <br /> (positive pressure acts inward, negative acts outward) <br /> : Basic wind speed (3- second gust) = I 110.0 I mph (V) ASCE F6 -1 <br /> : Exposure factor = B ASCE 8.5.6.3 <br /> : Ooouancy category = II ASCE T1 -1 <br /> : Building dimension (gable) = 141.3 ft <br /> : Building dimension (save) = 84.7 ft <br /> : Joist support height = 18.00 ft (hj) <br /> : Joist spaoing = 5.40 ft (s) <br /> : Parapit height = 9.00 ft (hp) <br /> : Roof pitch = 0.00 /12 (r) <br /> : Building style = Enclosed ASCE 6.2 <br /> : Topographic type = None ASCE 6.5.7.1 <br /> : Height of topographic relative to upwind terrain = 0.00 ft (H) ASCE 6.3 <br /> : Upwind distance to difference In elevation of 1/2 topographic height = 0.00 ft (Lh) ASCE 6.3 <br /> : Distance from crest to building site (downwind positive) = 0.00 ft (x) ASCE 6.3 <br /> : Building height = (hj+hp) = 25.00 (z) <br /> : Mean roof height = 16.00 ft <br /> : Minimum height exposure constant = 30.00 ft (z, ASCE T 6-2 <br /> : Equivalent height of structure = max(z„ d,,,(.6)(h)) = 30.00 ft (zb) ASCE 6.5.8.1 <br /> : Importance factor = 1.00 I (lw) ASCE T6 -1 <br /> : Height of atmospheric boundary layer = 1200.00 ft <br /> ( ) ASCE T6 -2 <br /> : 3- second gust speed power law exponent = 7.00 <br /> : Velocity pressure exposure coefficient at z (case 2) = (aa) ASCE T6-2 <br /> 0.665 (Kz) ASCE T6 -3 <br /> : Velocity pressure exposure coefficient at h (case 2) = 0.585 (Kh2) ASCE T6 -3 <br /> : Velocity pressure exposure coefficient at h (case 1) = 0 <br /> (Kh1) ASCE T6-3 <br /> Wind directionality factor = 0.85 <br /> Ratio of topographic he' ht to distance of 1/2 to (K ASCE T6-4 <br /> >g topographic height = 0.000 (H /L h ) <br /> : Ratio of distance from crest to building to distance of 1/2 topographic height = 0.000 (x/1-„) <br /> : Horizontal attenuation factor = 1.000 <br /> (µ) ASCE F6-4 <br /> : Height attenuation factor = 1.000 (7) ASCE F6-4 <br /> : Topographic shape & max. speed up effect factor = 0.950 <br /> (C ASCE F6-4 <br /> z =h /3 z =h ASCE F6-4 <br /> K1=(CK1)(H/Lh) = 1.000 1.000 (K ASCE F6-4 <br /> : K2 = (1 ((14(L0(1)) = 1.000 1.000 (K2) ASCE F6-4 <br /> K3 = etfrA e = 1.000 1.000 (K ASCE F6-4 <br /> : Topographic factor = (1+((K = • 1.00 1.00 (K ASCE 66-3 <br /> : Velocity pressure @ z (case 2) = (.00256)(Kz)(KJ(K = 17.51 psf (qz) ASCE E6 -15 <br /> : Velocity pressure Q h (case 2) = (.00256)(KJ(K = 15.41 psf (qh ASCE 66-15 <br /> : Velocity pressure @ h (case 1) = (.00258)(Kh1)(K�)(K = . 18.45 I psf (q ASCE E6 -15 <br /> eave gable <br /> : Integral length scale factor = 320.00 320.00 (f) • ASCE T6 -2 <br /> : Integral length scale power law exponent = 0.33 0.33 (€) ASCE T6 -2 <br /> : Integral length scale of turbulence = f/(zb/33) = 330.33 330.33 (L ASCE 66-7 <br /> : Background response = ( /( +(. +h) /L2) = 0.86 0.83 (Q) ASCE 66 -6 <br /> : Turbulence intensity factor = 0.30 0.30 <br /> : Intensity of turbulence = (c)(33/zb) = 0.30 0.30 (z) ASCE 66-5 <br /> Gust effect factor = (. 925)(( 1+ 1. 7( 3.4)(1z)(Q)) /(1 +(1.7)(3.4)(1 = 0.84 [ 0.82 (G) ASCE E6-4 <br /> : Internal pressure coefficient = 0.18 0.18 (GC ASCE F6 -5 <br /> : Edge strip dimension (10% of least horizontal dimension) = controls 8.47 ft (a) ASCE F6 -11 <br /> : Edge strip dimension (.4)(z) = 10.00 ft (a) ASCE F6 -11 <br /> : Edge strip dimension (4% of least horizontal dimension) = 3.39 ft (a) ASCE F6 -11 <br /> : Edge strip dimension (3 ft) = 3.00 ft (a) ASCE F6 -11 <br /> F:l.fob Files1914790 Aspen Dental - Zephyrhill FLlarch calcs12006 IBC analytical wind - steel - flat - 1 story Typ Parapet.xis <br />