Page 20 - Kutnar, Andreja, et al., eds., 2015. Proceedings of the 1st COST Action FP1307 International Conference - Life Cycle Assessment, EPDs, and modified wood. University of Primorska Press, Koper.
P. 20
erials
 credits
 within
 BREEAM
 –
 LCA,
 the
 Green
 Guide
 and
 timber
 

Flavie
 Lowres1,
 Elodie
 Macé1,
 Nigel
 Jones1
 and
 Ed
 Suttie1
 

1
 BRE,
 Garston,
 Watford,
 WD25
 9XX
 United
 Kingdom
 LowresF@bre.co.uk;
 
MaceE@bre.co.uk;
 JonesN@bre.co.uk;
 SuttieE@bre.co.uk
 
 


 
Keywords:
 life
 cycle
 analysis,
 green
 guide,
 BREEAM,
 materials,
 timber
 


 

BREEAM
 (BRE
 2015)
 is
 the
 world's
 foremost
 environmental
 assessment
 method
 and
 rating
 system
 
for
  buildings,
  with
  425,000
  buildings
  with
  certified
  BREEAM
  assessment
  ratings
  and
  two
  million
 
registered
 for
 assessment
 since
 it
 was
 first
 launched
 in
 1990
 (Figure
 1).
 
 
BREEAM
  sets
  the
  standard
  for
  best
  practice
  in
  sustainable
  building
  design,
  construction
  and
 
operation
 and
 has
 become
 one
 of
 the
 most
 comprehensive
 and
 widely
 recognised
 measures
 of
 a
 
building's
 environmental
 performance.
 It
 encourages
 designers,
 clients
 and
 others
 to
 think
 about
 
low
  carbon
  and
  low
  impact
  design,
  minimising
  the
  energy
  demands
  created
  by
  a
  building
  before
 
considering
 energy
 efficiency
 and
 low
 carbon
 technologies.
 
BREEAM
  addresses
  wide-­‐ranging
  environmental
  and
  sustainability
  issues
  and
  enables
 
developers,
 designers
  and
  building
  managers
 to
 demonstrate
  the
  environmental
  credentials
  of
 
their
 buildings
 to
 clients,
 planners
 and
 other
 initial
 parties.
 It
 does
 this
 by
 using
 a
 straightforward
 
scoring
 system
 that
 is
 transparent,
 flexible,
 easy
 to
 understand,
 and
 supported
 by
 evidence-­‐based
 
science
 and
 research.
 
An
  important
  component
  of
  a
  BREEAM
  assessment
  are
  the
  materials
  credits
  available
  which
 
increasingly
  become
  more
  significant
  as
  the
  operational
  efficiency
  of
  buildings
  improves
  through
 
better
  design
  and
  refurbishment
  of
  buildings
  (Figure
  2).
  This
  paper
  focusses
  on
  the
  life
  cycle
 
assessment
 for
 determining
 environmental
 impacts
 for
 construction
 product
 functional
 units
 (e.g.
 
1m2
 external
 wall
 meeting
 existing
 building
 regulations),
 the
 thirteen
 impact
 categories
 used,
 and
 
their
 conversion
 to
 an
 ecopoints
 score
 normalised
 to
 a
 European
 citizen
 (Figure
 3)
 and
 ultimately
 
an
 overall
 rating
 within
 the
 Green
 Guide
 for
 Specification
 (Green
 Guide
 2015).
 
The
 paper
 looks
 at
 the
 timber
 based
 functional
 units,
 which
 typically
 attain
 A
 or
 A+
 ratings
 within
 
the
 Guide.
 

 


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