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BEAM P
LUS
I
NTERIORS
C
OMMERCIAL
, R
ETAIL
A
ND
I
NSTITUTIONAL
I
NDOOR
E
NVIRONMENTAL
Q
UALITY
(IEQ)
IEQ 7 T
HERMAL
C
OMFORT
Copyright © BEAM Society Limited. All rights reserved. Page 111
IEQ 7 T
HERMAL
C
OMFORT
E
XCLUSION
None.
O
BJECTIVE
Ensure the thermal comfort of the occupants.
C
REDIT ATTAINABLE
3
C
REDIT REQUIREMENT
a) Temperature
1 credit for demonstrating the air temperature within the project space
is ±1.5
°
C of the set temperature when the air side system is operating
at steady state under normal occupied periods.
b) Relative Humidity
1 credit for demonstrating the relatively humidity within the project
space is less than 70%.
c) Air Movement
1 credit for demonstrating the air movement within the project space
is less than 0.3m/s.
A
SSESSMENT
Criteria
The measurement report shall be prepared and endorsed by Indoor
Air Quality Certificate Issuing Bodies (CIB). The measurement
protocols such as the equipment used, measurement methodologies,
number of points required and the contents of the report shall in
accordance with the Guidance Notes for the Management of Indoor
Air Quality in Offices and Public Places issued by The Government of
the Hong Kong Special Administrative Region
[1].
Alternative:
The Applicant can present a valid IAQ Certificate for the project space
issued by EPD to demonstrate compliance
Documentation
Credit(s) shall be achieved when the Applicant provides the
documentation stated below, to demonstrate criteria compliance:
i.
summary table, measurements and locations;
ii.
drawings, floor plan layout, sections, elevations indicating test
points;
iii.
site measurement report endorsed by a CIB;
Alternative:
i.
IAQ Certificate issued by Environmental Protection
Department for demonstrating compliance;
B
ACKGROUND
Air temperature has the most direct effect on thermal comfort. The air
temperature of the indoor environment is influenced by factors such
as the temperature control of the air-conditioning, solar heat gain,
other heat sources such as lighting, electrical equipment, computers
and water heaters, and humidity.
Consideration should also be given to variations in temperature within
1
Guidance Notes for the Management of Indoor Air Quality in Offices and Public Places, Indoor Air Quality
Management Group, The Government of the Hong Kong Special Administrative Region.
http://www.iaq.gov.hk/cert/doc/GN-eng.pdf