This is an example of wind loading calculations to Australian and New Zealand wind loading code (AS/NZS 1170.2)
This is an MS Excel spreadsheet which can be used to produce similar calculations. Users will need to be familiar with AS/NZS 1170.2 to be able to use it.
Taken from the ExcelCalcs.com website.
The spreadsheet is also dependent on schTechLIB and AS4055. However AS4055 is optional if do not need the equivalent simplified wind classifications for the wind speed and wind pressure as calculated to AS1170.2.