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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 3 M
INIMUM
V
ENTILATION
P
ERFORMANCE
Copyright © BEAM Society Limited. All rights reserved. Page 105
IEQ 3 M
INIMUM
V
ENTILATION
P
ERFORMANCE
E
XCLUSION
None.
O
BJECTIVE
Ensure that a minimum quality and quantity of outdoor air is supplied
to spaces in the project in order to support the well-being and comfort
of occupants.
C
REDIT ATTAINABLE
1
C
REDIT REQUIREMENT
1 credit for demonstrating that the project is in compliance with the
minimum requirements of ANSI/ASHRAE 62.1-2010 [
1]in respect of
Outdoor Air Quality and Minimum Ventilation Rate.
Alternative
1 credit for demonstrating that carbon dioxide level within the project
space can comply with Good Class requirement as stipulated in IAQ
Certification Scheme.
A
SSESSMENT
Criteria
i.
The Applicant shall conduct the air measurement at the intake
location to check whether the outdoor air pollutants including
Carbon Monoxide (CO), Nitrogen Dioxide (NO
2
), Ozone (O
3
)
and Respirable Suspended Particulates (RSP) conform to
IAQ Certification Scheme Good Air Quality level.
ii.
The Applicant shall demonstrate that the ventilation rate
complies with ASHRAE 62.1-2010’s requirement.
Documentation
Credit shall be achieved when the Applicant provides the
documentation stated below, to demonstrate compliance:
i.
Report CO, NO
2
, O
3
and RSP at each outdoor air intake;
ii.
Completion Table H-3 ASHRAE 62.1-2010 demonstrating
compliance with the minimum ventilation rate(s).
Alternative:
i.
IAQ Certificate Good Class issued by Environmental
Protection Department.
B
ACKGROUND
The purpose of this credit is to provide the minimum outdoor air
ventilation to provide for the control of odours, that is, the supply,
distribution and control of ventilation to maintain the carbon dioxide
(CO
2
) levels within design targets in normally occupied spaces, and
the control of indoor pollutants such as TVOCs, formaldehyde, etc.
1
ANSI/ASHRAE 62.1-2010. Ventilation for Acceptable Indoor Air Quality. American Society of Heating, Refrigerating
and Air-Conditioning Engineers, Inc.