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BEAM P
LUS FOR
N
EW
B
UILDINGS
F
RAMEWORK
V
ERSION
1.2
Copyright © 2012 BEAM Society Limited. All rights reserved.
Page 11
are less energy intensive. In addition, aspects such as thermal comfort
and IAQ are subject to tighter controls. To cater for a mix of building
types in a complex and where an overall assessment for the complex is
required, BEAM weighs the available credits for energy and IEQ
according to the Construction Floor Area or normally occupied floor area
of each building type.
BEAM assessment of energy use also allows for situations where
several buildings within a complex are supplied from a common central
air-conditioning plant, so that energy use in a particular building in the
complex can be estimated for assessment purposes.
E
U AND
I
EQ
C
REDITS
Where a building complex consists of several different types of building
which each have different numbers of applicable credits in EU and IEQ
sections, the overall number of credits for EU and IEQ shall be weighted
according to the areas of the different building types.
E
U
1 A
LTERNATIVE
R
OUTE
P
ASSIVE
D
ESIGN
EU1 Option 2 Alternative Route: Passive design has been included in the
assessment procedure to provide the practitioner with an alternative
method to quantify the benefits of passive building design. It considers
the following aspects:
Site planning and building operation.
Envelope heat transfer.
Natural ventilation.
Daylight design.
Common area servicing.
It encompasses EU1: Reduction of CO
2
Emissions, EU2: Peak Electricity
Demand Reduction and EU13: Energy Efficient Building Layout from the
conventional assessment; these credits should not be assessed when
following this route to prevent double counting.
The same total number of credits is available from both routes; no
change to the credit weightings is required.