old buildings, thriving neighborhoods, new climate solutions (elizabeth dunn) - 10.26.11
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Old Buildings
Thriving Neighborhoods
New Climate Solutions
Liz Dunn
ULI Fall 2011 Annual Conference
Leveraging our most sustainable assets
Old buildings, new approaches, new partners
Many older buildings perform (or could
perform) better than we think
0
20
40
60
80
100
120
Before
1920
1920 - 19451946 - 1959 1960- 1969 1970 -1979 1980 - 19891990 - 19992000 - 2003
kB
TU
per
sf
Year of Construction
Energy Use in Commercial Buildings
Source: U.S. Energy Information Administration, 2003 Commercial Building Energy Consumption Survey
Information will help level the playing field
Source: Cliff Majersik, Institute for Market Transformation
NTHP LIFE CYCLE ASSESSMENT STUDY
End of life
Extraction Transformation
Manufacture
Use Distribution
0.00E+00
2.00E+01
4.00E+01
6.00E+01
8.00E+01
1.00E+02
1.20E+02
1.40E+02
1.60E+02
0 10 20 30 40 50 60 70 80 90 100 110
Cli
ma
te c
han
ge
(kg C
O2
-eq
/ft2
flo
or
space
/yea
r)
Building lifetime (years)
Rehabilitation & retrofit: Base case
New construction: Advanced
Commercial Building, Chicago Commercial Building, Chicago
Commercial Building, Chicago
Reuse of average performing buildings offers immediate climate change
reductions over efficient, new construction.
The environmental value of reuse
The ‘new economy’ is happening in old neighborhoods
Older fine-grained neighborhoods
=
locally owned business
The economic multiplier effect of locally-
owned business is almost 4x that of chains
www.civiceconimics.com
The future of office is changing
A Different Kind of Density
We need to measure density differently
New solutions are needed for smaller,
older buildings
73% of our existing
commercial buildings are less
than 10,000 square feet
95% of them are less than
50,000 square feet –
representing half of all
commercial floor space
Buildings in Denver’s Historic District.
Photo by Wally Gobetz
US Energy Information Administration, 2003
OUTCOME BASED ENERGY CODES
Objective: To create an alternate, more flexible,
building energy efficiency code framework for
existing and historic buildings
Supply Laundry Building, Seattle
DEMONSTRATION PROJECTS
Measuring Urban Grain in Older
Neighborhoods Metrics and Measures
URBAN GRAIN AND PEDESTRIAN ACTIVITY
Cover?
Measuring Urban Grain in Older Neighborhoods Metrics and Measures
Urban grain and pedestrian activity
ECO-DISTRICTS
AND
COMMUNITY
ENERGY
PLANNING
CAPITOL HILL BUILDINGS AND ENERGY
INVENTORY
Broadway Light Rail Station TOD Site
New land use policy to encourage district-focused ‘locavore’ investment
in new development models