CHECKWIND v5.0.0 is now live and can be downloaded here. New features and enhancements include:

• Introduction of IS 875 wind analysis (India).
• Introduction of LRFD LTS-1 wind analysis (USA, Asia, Middle East).
• AS 4055: Significant improvements to Terrain Class detection.
• AS 4055: Significant improvements to Shielding Class detection.
• AS 4055: Estimated shielding structure height is more conservative.
• AS/NZS 1170: Significant improvements to Terrain/Height Multiplier (M_z,cat) detection.
• AS/NZS 1170: Delete specific Terrain Category zones.
• AS/NZS 1170: Significant improvements to Shielding Multiplier (M_s) detection.
• AS/NZS 1170: Estimated shielding structure height (hs) is more conservative.
• AS/NZS 1170: Automatic internal pressure calculation for permeable/impermeable walls.
• ASCE 7-10/ASCE 7-16/TIA-222-G/TIA-222-H: Significant improvements to Velocity Pressure Coefficient (K_z) detection.
• View and manage the users/workstations associated with a licence by clicking Licence > Details.
• Support for legacy licensing will run until July 2020, after which the old system will be retired. Please update to the latest version as soon as possible.