Design Wind Speed

Dataset Number393
Dataset TitleDesign Wind Speed
CustodianData Authority: Department of Planning, Transport and Infrastructure
Data Provider: Department of Planning, Transport and Infrastructure


DescriptionDesign wind speed categories are used by the building industry as a basis for determining the degree of structural restraint required for Class 1a and 10a buildings.
UsageThe intended use of this data is to determine the design wind speed for a particular site but does not preclude an individual site assessment being undertaken. An individual site assessment may be required if there is no data covering a location.

Data Quality

LineageWind speed data is based on DCDB, road centrelines and LGA boundaries.
CompletenessComplete for the Adelaide metropolitan area. Complete for selected regional towns, including Naracoorte and Mount Gambier. Complete for District Councils of Franklin Harbour, Ceduna, Kingston and Robe, Cities of Whyalla and Victor Harbor and Port Pirie Regional Council.
Positional AccuracyBest available DCDB and road centreline data

Geographic Extent

Extent NameAgricultural Region - South Australia
Min Easting or Longitude132.25
Min Northing or Latitude-38
Max Easting or Longitude141
Max Northing or Latitude-32.25

Dataset Status

Initially Acquired07-FEB-1994
Last Updated6-OCT-2011
Update FrequencyAs required
Maintenance MethodAreas to be edited or captured are determined by local councils in conjunction with the Building Policy Branch
AusGOALCC BY (Attribution)


TableNameField AliasData TypeDescription
Polygon Attribute TableWINDSPEED IntegerDesign wind speed in metres per second
Polygon Attribute TableCATEGORY textWind speed category
Polygon Attribute TableDESCRIPTION textWind speed description

Contact Information

OrganisationDepartment of Planning, Transport and Infrastructure
Development Division
Postal AddressGPO Box 1815