This is a green building and building services engineering introduction for non-building and non-engineering background professionals

1. Hong Kong Climate and
Green Building Design
Dr Ernest Tsang
Monday, 5 August, 13

2. Maximum Dry Bulb
Temperature：34.9°C
(0.4% Significant Level)
Corresponding Wet Bulb
Temperature：26.9°C
Daily Temperature Range
(DBT)：4.2-5.5°C
Daily Temperature Range
(WBT)：2-3.5°C
(5% Significant Level)
Monday, 5 August, 13

3. Daily Average Wind Speed：
2.8-3.7m/s
Prevailing Wind Direction：
NE(Winter)
SE(Summer)
Monday, 5 August, 13

4. Global Irradiance Diffuse Irradiance Direct Irradiance
0
1,250
2,500
3,750
5,000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Irradiance(W/m2)
Monday, 5 August, 13

5. ~30% Overcast Sky
~15% Clear Sky
Remaining Partly Cloudy
Monday, 5 August, 13

6. Why we need GREEN
BUILDING?
Monday, 5 August, 13

7. 30% of the World’s
Energy Consumption
Monday, 5 August, 13

8. 12%of World’s Water
Consumptions
Monday, 5 August, 13

9. 30% of World’s Solid Waste
Monday, 5 August, 13

10. 11% Dead related
to Poor Indoor
Environment
Monday, 5 August, 13

11. 60% of GHG
emission from Buildings
in Hong Kong
Monday, 5 August, 13

12. Buildings
consume 90%
Electricity
Consumption
Monday, 5 August, 13

13. Subtropical HK
Cooling dominated
Monday, 5 August, 13

14. High RH
Dehumidification
dominated
Monday, 5 August, 13

15. Phase Change
Material does not
employed in HK
Monday, 5 August, 13

16. NaturalVentilation
does not
frequently use in
Hong Kong
Monday, 5 August, 13

17. Marco-wind Turbine
does not suitable in
the Urban Area
Monday, 5 August, 13

18. Active Solar System
does not suitable
under Overcast Sky
Monday, 5 August, 13

19. Passive Solar
Building
Monday, 5 August, 13

20. Regulations
governing
Building Energy
Efficiency
Monday, 5 August, 13

21. The new COP is
enforced in 2012
Using Building Energy
Budget Approach
Monday, 5 August, 13

22. Lighting
installations, given
in Section 5
Lighting control
Monday, 5 August, 13

23. Air-conditioning
installations, given in
Section 6
System load calculation
Separate air distribution system for
process zone
Air distribution ductwork leakage limit
Pumping system variable flow
Frictional loss of water piping system
System control
Thermal insulation
Energy metering
Monday, 5 August, 13

24. Electrical
installations, given
in Section 7
Motor installation
Power quality
Metering and monitoring
facilities
Monday, 5 August, 13

25. Lift and escalator
installations, given
in Section 8
Electrical power
Utilization of power
Total harmonic distortion
Metering and monitoring
facilities
Monday, 5 August, 13

26. Energy efficiency
requirements on
building envelope:
Overall thermal transfer
value, requirements same
as given in
Building (Energy
Efficiency) Regulation
(Cap.123M)
Monday, 5 August, 13

27. Hong Kong
BEAM PlusVersion 1.2
Issued by Hong Kong Green Building
Council & BEAM Society
With special emphasis on safety, hygiene,
reducing pollution and resource
Site Aspect (SA)
Material Use
(MU)
Energy Use
(EU)
Water Use
(WU)
Indoor
Environmental
Quality (IEQ)
Innovation and
Additions (IA)
Monday, 5 August, 13

28. Overall
SA
EU
IEQ
40 50 60 70 80 90 100
% of Credit
IA
0 1 2 3
Number of Credit
Bronze Silver Gold Platinum
Monday, 5 August, 13

29. Gross Floor Area Concession
10% max for undergoing Green Building
Assessment Process
Monday, 5 August, 13

30. Major
Difficulties
Monday, 5 August, 13

31. Low
Energy Cost
Monday, 5 August, 13

32. Environmental
Cost
Monday, 5 August, 13

33. Corporate
Social
Responsibility
Monday, 5 August, 13

34. Dr Ernest Tsang
tsang.ernest@pbworld.com
Monday, 5 August, 13