

BEAM P
LUS FOR
E
XISTING
B
UILDINGS
I
NDOOR
E
NVIRONMENTAL
Q
UALITY
(I
EQ
)
V
ERSION
1.2
I
EQ
9
IAQ
IN
C
AR
P
ARKS
Copyright © 2012 BEAM Society Limited. All rights reserved.
Page 123
6
IEQ
6.3
I
NDOOR
A
IR
Q
UALITY
I
EQ
9 IAQ
IN
C
AR
P
ARKS
E
XCLUSIONS
Buildings not provided with enclosed or semi-enclosed car parks.
O
BJECTIVE
Meet the minimum requirements of performance in respect of air quality.
C
REDITS ATTAINABLE
1
P
REREQUISITES
Compliance with relevant chapters of the Occupational Safety and
Health Ordinance.
C
REDIT REQUIREMENT
1 credit for demonstrating compliance with the air quality criteria
specified in ProPECC PN 2/96.
A
SSESSMENT
The Client shall submit a report prepared by a suitably qualified person
demonstrating that the design of the ventilation system meets or exceeds
the guidelines given in ProPECC PN 2/96 [1], including provisions for the
monitoring and automatic control of air pollution. The report shall include
an estimation of peak pollutant loading and the ventilation system
performance to meet the maximum concentration of pollutants as listed
in ProPECC PN 2/96.
Alternatively, compliance may be demonstrated by a series of
measurements taken at appropriate locations during peak periods of use.
Locations shall include main vehicular routes and main pedestrian areas.
Where it can be demonstrated that monitoring systems and ventilation
systems are able to respond to maintain the target pollutants within the
prescribed limits of PN 2/96 the credit shall be awarded.
B
ACKGROUND
This applies to enclosed and semi-enclosed car parks that rely on
mechanical ventilation or mechanically assisted natural ventilation.
1
Environmental Protection Department. Practice Notes for Professional Persons. ProPECC PN 2/96. Control of Air Pollution
in Car Parks
. http://www.epd.gov.hk/epd/english/resources_pub/publications/files/pn96_2.pdf