[ p = q_z G C_p - q_h (GC_pi) ] [ p = 21.9 \times 0.85 \times 0.8 - 21.9 \times (0.18) = 14.89 - 3.94 = 10.95 \text psf (inward) ]
Compute velocity pressure at height z: qz = 0.00256 Kz Kzt Kd V^2 (psf) wind load calculation as per asce 7-05
Risk Category affects the recurrence interval. For Category II (standard buildings), use the 700-year map. Category III/IV require higher speeds from the same map or special zones. [ p = q_z G C_p - q_h (GC_pi) ] [ p = 21