These factors adjust the basic wind speed for height and specific site conditions: Velocity Pressure Exposure Coefficient ( cap K sub z Varies with height ( ) above ground and exposure category, found in Topographic Factor ( cap K sub z t end-sub
Defines the surface roughness of the terrain surrounding the building (Section 6.5.6). wind load calculation as per asce 7-05
For determining overall overturning, shear, and moments: These factors adjust the basic wind speed for