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Air Ventilation Assesment
The findings of “Feasibility study for Establishment of Air Ventilation Assessment Methodology for Planning in Hong Kong” highlighted a number of key issues and provided planning guidelines to promote air ventilation in Hong Kong. These included the consideration of aspects such as breezeways, orientation of streets, linkage of open spaces, including gaps and setbacks, avoiding blockage of sea breezes in waterfront locations, scale of podia, building heights, building disposition, shading and greenery and projections, such as signage, from buildings.

The diverse wind conditions experienced in different areas in Hong Kong are the result of a complex mixture of its mountains, open water, green areas and various developed areas that comprise a range of building heights and forms. In short, measures that will work in one particular location are not necessarily globally applicable throughout Hong Kong and it takes experience, expertise and the correctly applied tools to obtain a successful solution.

The current AVA methodology incorporates probabilistic aspects of wind speed and direction, the effects of far-field topography on site wind availability, and near-field effects through detailed wind tunnel model studies.

Example Project

  • Kai Tak Development
  • New Central Waterfront
  • Tuen Mun East
  • Kwun Tong
  • Sheung Wan
  • North Point
  • Mongkok

 

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