1. IAQ Lecture Series
XII. IN THE PURSUIT OF EXCELLENCE ( 止於至善 )
WITH
IAQ MANAGEMENT FOR OLD FOLKS HOMES
Speaker : Kee-Neng Wai, Ph.D
Date : July 10, 2012
Hinds International (HK) Ltd.

2. 我們要宣揚敬老、愛老、護老精神，實現
老有所依 大 老有所終
同
老有所養 壯有所用
之
老有所居 治 幼有所長
尤其著重照顧貧困長者的經濟需要。
- 梁振英特首就職致辭
-

3. IAQ Objectives II.
I. Healthy
Energy Environment
Saving 健康工作環
節省能源 境
減少排放 Money
Saved
節省金錢
IV.
III.
Communication
&
Problem
Fair Trade Solving
交流及公平交易 解決問題

4. IAQ OBJECTIVES
IAQ Guidance Notes

5. IAQ Objectives for Offices & Public Places
To be in compliance with the Rule of Uniformity of Standards
8-hour average
Parameter Unit
Excellent Class Good Class
Temperature o
C 20 to < 25.5 < 25.5
Relative Humidity % 40 to < 70 < 70
Air Movement m/s < 0.2 < 0.3
Carbon Dioxide (CO2) ppmv < 800 < 1,000
µg/m3 < 2,000 < 10,000 Delete
Carbon Monoxide (CO) (PM2.5) ppmv < 1.7 2.0 < 8.7 10.0
Respirable Suspended Particulates (PM10) µg/m3 < 20 < 180 To be decided
µg/m3 < 40 < 150 Delete
Nitrogen Dioxide (NO2)
ppbv < 21 20 < 80
µg/m3 < 50 < 120 Delete
Ozone (O3)
ppbv < 25 < 61 100
µg/m3 < 30 < 100 Delete
Formaldehyde (HCHO)
ppbv < 24 25 < 81 100
µg/m3 < 200 < 600 Delete
Total Volatile Organic Compounds (TVOC)
ppbv < 87 100 < 261 300
Radon Bq/m3 < 150 < 200
Airborne Bacteria cfu/m3 < 500 < 1,000 Delete

6. The PPM-Hinds IAQ Profile Monitors
The Computerized SAS The Wireless Model &
Model & System System

7. HONG KONG CLIMATIC CHARTS V – 4 Seasons & IAQ Guidelines
Design and Management Target
IAQ Guidelines
Spring (Months 4 & 5)
Summer (Months 6, 7, 8 & 9)
Autumn (Months 10 & 11)
Winter (Months 12, 1, 2 & 3)
Seansonal Norms:
CONDENSATION
GREY
AREA
CHWS (CHILLED WATER SAT (SUPPLY AIR TEMP.)
SUPPLY TEMP.)

8. Recommended IAQ Guidelines and Design Target (Business Place Vs Old Folks
Home)
Government IAQ Guideline
Recommended IAQ Guideline for
Old Folks Homes GREY
Grey Area AREA
Design Target for Building
Management
CONDENSATION
CHWS (CHILLED WATER SAT (SUPPLY AIR TEMP.)
SUPPLY TEMP.)

10. HONG KONG CLIMATIC CHARTS III – Autumn (Oct. & Nov.)
Winter (Dec., Jan., Feb. & Mar.)
Design and Management Target
IAQ Guidelines
Autumn (Months 10, & 11)
Winter (Months 12, 1, 2 & 3)
Seansonal Norms:
Dew Point > SAT
Possible
CONDENSATION Condensate
GREY
AREA
CHWS (CHILLED WATER SAT (SUPPLY AIR TEMP.)
SUPPLY TEMP.)

14. HONG KONG CLIMATIC CHARTS II – Spring (Apr. & May)
Summer (June, July, Aug. &
Sep.)
Design and Management Target
IAQ Guidelines
Spring (Months 4 & 5)
Summer (Months 6, 7, 8 & 9)
Seansonal Norms:
Dew Point > SAT
Possible
CONDENSATION Condensate
GREY
AREA
CHWS (CHILLED WATER SAT (SUPPLY AIR TEMP.)
SUPPLY TEMP.)

15. Environmental CO2 Level (outdoor)
1800 - 2000

16. IAQ Database Center
數 據 中 心

17. IT Infrastructure

18. IT Infrastructure

19. www.wowsociety.com

20. In the Pursuit of Excellence ( 止於至善 )
10 commandments of IAQ
 Visual presentation
 Time as a dimension
 State-of-the-art technology
 Automatic air monitoring
 Data logging
 Computerization
 Information technology
 Quantitative
 Accurate, precise
 Labour saving & cost effective