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Changes in sustainable residential design policies and the effect to urban ventilation

Changes in sustainable residential design policies and the effect to urban ventilation. SENV 7700 Independent Studies Au Jonathan Hon Yip 1155027750. Introduction. Hypothesis & Objective Methodology Review policies Computer Simulation Result and Analysis Conclusion Further Study.

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Changes in sustainable residential design policies and the effect to urban ventilation

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  1. Changesinsustainable residential design policies andthe effect to urban ventilation SENV 7700 Independent Studies Au Jonathan Hon Yip 1155027750

  2. Introduction • Hypothesis & Objective • Methodology • Review policies • Computer Simulation Result and Analysis • Conclusion • Further Study

  3. Hypothesis & Objective • building floor plan evolved due to the change of policies • help future high-rise residential developments.

  4. Methodology • Study the change of Hong Kong building regulation for ventilation. • Study layout plan for the high-rise residential development changed in these years • Computer Simulation • Analysis and discuss the result of the policies

  5. Review policies

  6. Computer Simulation Result and Analysis • 70s ~ 80s • community providing basic facilities • high percentage of Usable floor area • two to three bedrooms without bay window • daylight factor for the normally occupied room • providing a more mentally healthy environment • No large area of stagnant after building

  7. Computer Simulation Result and Analysis • 90s • PNAP APP-019 bay window exemption of GFA • View • Align balconies and bay windows. • Requirement of ventilation for bathroom and kitchen • turbulences occurring in the open air space

  8. Computer Simulation Result and Analysis • 2000s • PNAP APP-098 mechanical-vent for bathroom • Compressed, irregular layout plan • have a large stagnant area • air flow no longer symmetric • amplified wind zone,

  9. Conclusion • layout plan designs changed to suit the new policies • Grey areas being used against the intention of the policies • Latest completed building is not ventilation friendly

  10. Further Study • Other aspect of building: • Building Height • Building Separation • Orientation • Master Layout • 3D model study • Wind tunnel experiment

  11. Thank You!!

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