A wind zone refers to the wind forces that act on a building on a particular building site. The wind zone is determined from a complex calculation that considers such things as:
The wind region the site is in
Terrain - whether the site is in an urban (built up) area or rural (open) area
Exposure of the site - whether the site is sheltered or exposed
Topography (steepness or slope of the land) - whether the land is gentle, moderate or extreme
The wind zone is usually calculated by the designer or engineer producing the building plans after a site visit, to establish the above characteristics of the site.
Wind zones are:
Low (L)
Medium (M)
High (H)
Very high (VH)
Specific design (SD)
Once the wind zone has been established the designer uses this to determine the bracing requirements of the proposed building.
What is the wind zone for a particular site?
Contact us providing details of the location you are enquiring about.
