Hinds International (HK) Ltd.Hinds International (HK) Ltd.

IAQ Lecture SeriesThe Importance of A Standard for IAQ

Speaker: Kee-Neng Wai, Ph.DDate: Jan 22, 2009Venue: Sun Hung Kai Properties Ltd.

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 IAQExcellent 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

20002008

360392

3001960

800

1000

15002000

2500

COMMON SICK BUILDING SYNDROME