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-1- <br /> MECAWind Version 2 . 0 . 3 . 0 per ASCE 7-05 <br /> Developed by MECA Sntezpriaes, Inc. Copyriaht 1030 xvw.mecaenterprises.com <br /> Date : 10/19/2010 project No. : 0238-2�0 <br /> Company Name : Gturdy Engineering Deeigned By : GLS <br /> Addreee : 7168 San Juan Hill Lane Deacription : Whidbey Bank <br /> City : Anacortee Cuetomer Name : Meyer Sign <br /> State : WA Proj IqcatiOn : 5615 EVeigreen Way EVerett, WA <br /> PSle Locationi C:\Program Filee\M6GXind\Default.md <br /> Detailed Wind Load Design(Method 2) per ASCE 7-OS <br /> Basic Wind Speed(V) = 85.00 mph Structure Type = Other <br /> Structural Category = II Exposure Category = C <br /> Natural Frequency = N/A Flexible Structure = No <br /> Importance Factor = 1.00 Kd Directional Factor = 0.85 <br /> Alpha = 9.50 Zg = 900.00 ft <br /> At = 0.11 Bt = 1.00 <br /> Am = 0.15 Bm = 0.65 <br /> Cc = 0.20 1 = 500.00 ft <br /> Epsilon = 0.20 Zmin = 15.0o ft <br /> B - Horizontal Dim. = 16.00 ft Ht- Grade to Top oP Sign= 25.00 ft <br /> W - Sign Depth = 1.00 ft S - Vertical Sign Dim. = 4.00 ft <br /> Bs- Ratio of B / S = 4.00 Sh- Ratio of S / Ht = 0.16 <br /> E - Solidity Ratio = 100.00 � <br /> � Guet Factor Cateqory I Riq3d 6tructuree - Simplified Method <br /> Gustl: For Rigid 5tructures (Nat. Freq.>1 Hz) use 0.85 = 0.85 <br /> 6uet Factor Category IS Rigid Structurea - Complete Aaalyeie <br /> Zm: 0.6*Ht = 15.00 ft <br /> lzm: Cc+ (33/Zm)"0.167 = 0.23 <br /> Lzm: 1� (Zm/33)"Epsilon = 427.06 ft <br /> Q: (1/(1+0.63• ( (H+Ht)/Lzm) "0.63) ) "0.5 = 0.93 <br /> Gust2: 0.925*( (1+1.7+1zm+3.4*Q)/(1+1.7*3.4+1zm) ) = 0.89 <br /> Quet Factor Summary <br /> Not a Flexible Structure use the Leasor of Gustl or Gust2 = 0.85 <br /> Design Wind Pressure - Other Structures <br /> Elev 1Cz 1Czt qz W_Pres_Cf( 1.85) <br /> ft psf pef <br /> ------- ------- ------- -------- ----------------- <br /> 25.00 0.95 1.00 19.861 23.37 <br /> 24.00 0.94 1.00 14.734 23.17 <br /> 22.UO 0.92 1.00 14.466 22.75 23. 5� M,,,S�a�` <br /> 20.00 0.90 1.00 14.179 22.30 � <br /> 18.00 0.88 1.00 13.868 21.81 <br /> 16.00 0.86 1.00 13.528 21.27 Aq���y.t3 = 19'7%n <br /> 14.00 O.BS 1.00 13.346 20.99 <br /> 12.00 O.BS 1.00 13.346 20.99 Z� _�5� UPP4� P'1e <br /> 10.00 0.85 1.00 13.346 20.99 I��X Z� _ �� � pIF <br /> 8.00 0.85 I.00 13 .346 20.99 y <br /> 6.00 0.85 1.00 13 .346 20.99 Q.e� X2,� - IB•`lP� r <br /> 4.00 0.85 1.00 13 .346 20.99 Lo`J�� Po�e <br /> 2.00 0.85 1.00 13 .346 20.99 <br /> No[e: W Pzes Cf is Wind Presaure based on Cf(Force CoefEicient) <br /> Figure 6-20: Wind Loads for Solid Signs & Freestanding Walls <br />