

BEAM P
LUS
I
NTERIORS
C
OMMERCIAL
, R
ETAIL
A
ND
I
NSTITUTIONAL
S
UMMARY OF
C
REDITS
Copyright © BEAM Society Limited. All rights reserved. Page 32
Section
Credit Requirement
Credit
7
I
NDOOR
E
NVIRONMENTAL
Q
UALITY
(IEQ)
24
IEQ 1I
NDOOR
A
IR
Q
UALITY
A.
Specifications
For each of the materials categories (A1 to A5), one credit is
achieved when compliance is demonstrated through submission of
the requisite documentation.
Alternative:
B.
Measurement
For each of the categories of contaminants (B1 to B5) one credit is
achieved if measured concentrations obtained through appropriate
measurements comply with the Good Class requirements in the IAQ
Certification Scheme.
5
IEQ 2I
NDOOR
P
LANTING
1 credit for fulfilling at least two (2) items as shown below.
2 credits for fulfilling at least four (4) items as shown below.
i.
The minimum density is one large plant (300mm pot) or two
small plants (200mm pot) per two workstations;
ii.
Green wall of at least 5m
2
is provided;
iii.
The plant species are carefully selected and suitable to be
planted in indoor environment;
iv.
A “Horticultural Maintenance Plan” shall be in place to
ensure the health of the plants are maintained;
v.
No electricity is required to maintain and for the growth of the
plants.
2
IEQ 3M
INIMUM
V
ENTILATION
P
ERFORMANCE
1 credit for demonstrating that the project is in compliance with the
minimum requirements of ANSI/ASHRAE 62.1-2010 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.
1
IEQ 4P
RE
-
OCCUPANCY
F
LUSH
O
UT
1 credit for flushing out of normally occupied project spaces prior to
occupancy.
1
IEQ 5T
ENANT
E
XHAUST
1 credit for providing independent exhaust system for all photocopy /
printing rooms and other locations where significant indoor pollution
sources are generated.
1
IEQ 6U
NCONTROLLED
V
ENTILATION
1 credit for undertaking tests in the premises using a non-balanced
test method to demonstrate that the air tightness is within recognised
limits.
1
IEQ 7T
HERMAL
C
OMFORT
a) Temperature
1 credit for demonstrating the air temperature within the project space
is ±1.5 DegC of the set point 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.
3
IEQ 8I
NTERIOR
L
IGHTING
Q
UALITY
3 credits where the uniformity, glare index and colour rendering index
(1 credit for each parameter) at all workstations can comply with
CIBSE requirements.
3
IEQ 9N
ATURAL
L
IGHTING
1 credit where 75% of workstations or seating are located in an area
of floor with natural light illuminance level of 100 lux.
2 credits where 85% of workstations or seating is located in an area
of floor with natural light illuminance level of 100 lux.
2