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Developing a Database for Measuring the Performance of Urban Design Alternatives
2011 TRB Annual Conference
January 25, 2011
Washington, DC
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Landscape Performance SeriesSlide 2
Landscape Architecture Foundation
501(c)(3) nonprofit based in Washington, DC
Founded in 1966 to preserve, improve and enhance the environment
Increase our collective capacity through: Research – Invested nearly
$600,000 since 1986 Scholarship – Awarded
over $775,000 to 450 students since 1986
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FIT Workshop11/16/10, Slide 3
Landscape Performance
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Landscape Performance SeriesSlide 4
Performance
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Landscape Performance SeriesSlide 5
A Case Study Comparison
Reduces water use by 30% compared to a building with standard code-compliant fixtures
Uses 51,300 kBtu/ft2 of energy annually, a 39% reduction from base case
Reduces carbon emissions by 19 lbs CO2/ft2, or 50% by purchasing renewable energy.
Provides daylight for 75% of regularly occupied spaces and views for 90% of occupied work areas
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Landscape Performance SeriesSlide 6
A Case Study Comparison
Stormwater planters
10 new trees
Native and adapted plants
Permeable pavers
5 new seating areas
Local stone
FSC-certified wood
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Landscape Performance SeriesSlide 7
A Case Study Comparison
Captures and cleans stormwater runoff
Reduces the urban heat island effect
Sequesters carbon
Reduces potable water use
Cleans the air
Increases social value of space
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Landscape Performance SeriesSlide 8
From Features to Claims to Benefits
Reduces stormwater runoffCaptures and infiltrates 30% of all rain falling on the site.
Sequesters carbonTraps 1,500 lbs of carbon annually in tree biomass.
Increases social value of spaceIncreased café patronage by 30% on weekdays and 50% on weekends.
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Landscape Performance SeriesSlide 9
Landscape Performance Series
Case Study Briefs
Benefits Toolkit
Factoid Library
Scholarly Works
An online interactive set of resources that provides tools and information to quantify benefits, show value, and make the case for sustainable landscape solutions.
www.lafoundation.org/lps
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Landscape Performance SeriesSlide 10
Landscape Performance Series
a collection of resources designed to make “landscape performance” as well
understood as “building performance” NOT a rating system focused on built, performing projects generating demand for sustainable landscape solutions a resource that will grow over time and with your
participation Not just for Landscape Architects
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Landscape Performance SeriesSlide 11
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Landscape Performance SeriesSlide 12
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Landscape Performance SeriesSlide 13
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Landscape Performance SeriesSlide 14
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Landscape Performance SeriesSlide 15
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Landscape Performance SeriesSlide 16
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Landscape Performance SeriesSlide 17
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FIT Workshop11/16/10, Slide 18
Factoid Library
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Landscape Performance SeriesSlide 20
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Landscape Performance SeriesSlide 21
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Landscape Performance SeriesSlide 22
Benefits Toolkit
From National Tree Benefit Calculator, by USDA Forest Service and Casey Trees
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Landscape Performance SeriesSlide 25
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Landscape Performance SeriesSlide 26
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Landscape Performance SeriesSlide 28
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Landscape Performance SeriesSlide 29
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Landscape Performance SeriesSlide 30
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Landscape Performance SeriesSlide 31
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Landscape Performance SeriesSlide 35
Quantifying Benefits
Determine from design parameters Stormwater modeling, area calculations, etc. Rating system submittals (LEED, SITES)
Gather additional information Use public information (property tax, GIS data) Contact other project stakeholders
Estimate using rules of thumb Use online calculators and tools Obtain actual measurements/monitoring data Combine Methods
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Landscape Performance SeriesSlide 37
Landscape Performance Series
Case Study Briefs
Benefits Toolkit
Factoid Library
Scholarly Works
www.lafoundation.org/lps
Thank you to ourLandscape PerformanceSeries Sponsors:
Founding Partner Annual Sponsor
Special Commitment
The CLASS Fund/Ralph Hudson Environmental
Fellowship
AILA/Yamagami/Hope Fellowship
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Barbara DeutschExecutive [email protected] x12