Laserfiche WebLink
Wind Load Calculation for Other Structures <br /> (Reference:2021 IBC Section 1609&ASCE 7-16 Chapter 29) <br /> Wind Velocity Pressure: <br /> Mean Roof Height of Building,h(ft) = 124.1 (Per Architectural Drawings) <br /> Basic Wind Speed,Vas(mph) = 98 (ASCE Figure 26.5-1) <br /> Exposure Category = B (ASCE Section 26.7.3) <br /> Risk Category = II (ASCE Table 1.5-1) <br /> Velocity Pressure Exposure Coeff,Kin or Kz = 1.05 (ASCE Section 26.10.1&Table 26.10-1) <br /> Topographic Factor,Kt = 1.00 (ASCE Section 26.8&Figure 26.8-1) <br /> Wind Directionality Factor,Kd = 0.85 (ASCE Section 26.6&Table 26.6-1) <br /> Ground Elevation Above Sea Level,zg(ft) = 133 (ASCE Table 26.9-1) <br /> Elevation Factor,K. = 1.00 (ASCE Section 26.9&Table 26.9-1) <br /> Velocity Pressure,qz(psf) = 0.00256KhKztKdKeVA2 (ASCE Eq.26.10-1) <br /> qz = 21.84 psf <br /> Design Wind Load on Other Structures <br /> Horiz Gust Effect/Force Coefficient,(GCr) = 1.9 (ASCE Section 29.4.1) <br /> Vert Gust Effect/Force Coefficient,(GCr) = 1.5 (ASCE Section 29.4.1) <br /> Projected Area Normal to Wind Dir,Afor A,(ft') = Af*Ar (Projected Wind Area) <br /> Design Lateral Wind Load,F(lbs) = qz(GCr)Af (ASCE Eq.29.4-2&29.4-3) <br /> Horiz Force,Fh = 41.5 psf x Af <br /> LRFD Vert Force,Fv= 32.8 psf x Ar <br /> Horiz Force,Fin = 24.9 psf x Af <br /> A5D Vert Force,Fv= 19.7 psf x Ar <br /> Kh or Kz(ASCE Table 26.10-1) <br /> Height Exposure B Exposure C Exposure D <br /> z(ft) <br /> 0 0.57 0.85 1.03 <br /> 15 0.57 0.85 1.03 <br /> 20 0.62 0.90 1.08 <br /> 25 0.66 0.94 1.12 <br /> 30 0.70 0.98 1.16 <br /> 40 0.76 1.04 1.22 <br /> 50 0.81 1.09 1.27 <br /> 60 0.85 1.13 1.31 <br /> 70 0.89 1.17 1.34 <br /> 80 0.93 1.21 1.38 <br /> 90 0.96 1.24 1.40 <br /> 100 0.99 1.26 1.43 <br /> 120 1.04 1.31 1.48 <br /> 140 1.09 1.36 1.52 <br /> 160 1.13 1.39 1.55 <br /> 180 1.17 1.43 1.58 <br /> 200 1.20 1.46 1.61 <br /> Description By Date <br /> MRD 11/20/2024 <br /> _ Checked Date <br /> Wind Loads For Components and Systems - <br /> EIVGINEERING <br /> Project Scale Sheet No. <br /> SE01510A Downtown Everett-Wall N.T.S. <br /> Suite 200 lob No. <br /> Edmonds,WA 98020 24088.614 <br />