Complete site-specific wind engineering analysis within SPACE GASS.


SPACE GASS + CHECKWIND combines our groundbreaking Hazard API with the industry-defining SPACE GASS software to enable automated wind analysis to AS/NZS 1170.2-2011, AS/NZS 1170.2-2021 and IS 875 (India) within a multi-purpose 3D analysis and design environment.



  • Automatic wind analysis to AS/NZS 1170.2-2011, AS/NZS 1170.2-2021 and IS 875 (India).
  • AS/NZS 1170.2-2011/2021: Automatic Wind Region and Lee Zone detection.
  • AS/NZS 1170.2-2011/2021: Automatic terrain category detection for Terrain/Height Multiplier (Mz,cat) averaging calculation.
  • AS/NZS 1170.2-2011/2021: Automatic structure detection for Shielding Multiplier (Ms) calculation.
  • AS/NZS 1170.2-2011/2021: Automatic Topographic Multiplier (Mt) detection and calculation.
  • AS/NZS 1170.2-2011/2021: Automatic Internal Pressure Coefficient (Cp,i) calculation.
  • AS/NZS 1170.2-2011/2021: Automatic External Pressure Coefficient (Cp,e) calculation.
  • IS 875: Automatic Basic Wind Speed (Vb) detection.
  • IS 875: Automatic Terrain Category detection for Terrain and Height Factor (k2) averaging calculation.
  • IS 875: Automatic Topographic Factor (k3) detection and calculation.
  • Support for Fiji, New Caledonia, Samoa, Tonga and Vanuatu.
  • Automated structure loading using the Portal Frame Builder.



CHECKWIND is trusted by over 440 companies with more than 4000 users worldwide, representing the fields of construction, fabrication, power distribution, signage, structural engineering, and telecommunications.