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Lecture 2 The Importance of a Standard for IAQ

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Denis Wong

The document discusses the importance of indoor air quality (IAQ) standards and initiatives. It summarizes the IAQ Initiative 1.0 and 2.0, noting issues like increased CO2 levels and sick building syndrome due to poor ventilation. It also outlines long term health effects of poor IAQ like increased heart rate and headaches. Thresholds for yawning, dozing and other symptoms are presented, as well as historical CO2 level increases and the building ordinance IAQ requirement.

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Hinds International (HK) Ltd. IAQ Lecture Series The Importance of A Standard for IAQ Speaker: Kee-Neng Wai, Ph.D Date: Jan 22, 2009 Venue: Sun Hung Kai Properties Ltd.
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IAQ Initiative 2.0 IAQ Initiative 1.0
Atmospheric CO2 Level at Harbour Front Sick Building Syndrome due to poor ventilation and increase of heart rate ¡£ 2030 500 Good IAQ Excellent IAQ Yawning Threshold Dozing Threshold Perspiring, headache, restlessness and increase of heart rate Long Term Effects > 1% increase per year > 1.2% increase per year Disintegration of polar ice Building Ordinance Section 123 requirement 2000 2008 360 392 300 1960 800 1000 1500 2000 2500
COMMON SICK BUILDING SYNDROME
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Lecture 2 The Importance of a Standard for IAQ

  • 1. Hinds International (HK) Ltd. IAQ Lecture Series The Importance of A Standard for IAQ Speaker: Kee-Neng Wai, Ph.D Date: Jan 22, 2009 Venue: Sun Hung Kai Properties Ltd.
  • 2. ?
  • 3. IAQ Initiative 2.0 IAQ Initiative 1.0
  • 4. Atmospheric CO2 Level at Harbour Front Sick Building Syndrome due to poor ventilation and increase of heart rate ¡£ 2030 500 Good IAQ Excellent IAQ Yawning Threshold Dozing Threshold Perspiring, headache, restlessness and increase of heart rate Long Term Effects > 1% increase per year > 1.2% increase per year Disintegration of polar ice Building Ordinance Section 123 requirement 2000 2008 360 392 300 1960 800 1000 1500 2000 2500
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  • 7. ?
  • 8. ?