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Developing a Database for Measuring the Performance of Urban Design Alternatives

Developing a Database for Measuring the Performance of Urban Design Alternatives. 2011 TRB Annual Conference January 25, 2011 Washington, DC. Landscape Architecture Foundation. 501(c)(3) nonprofit based in Washington, DC Founded in 1966 to preserve, improve and enhance the environment

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Developing a Database for Measuring the Performance of Urban Design Alternatives

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  1. Developing a Database for Measuring the Performance of Urban Design Alternatives 2011 TRB Annual Conference January 25, 2011 Washington, DC

  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

  3. Landscape Performance

  4. Performance

  5. 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 A Case Study Comparison

  6. Stormwater planters 10 new trees Native and adapted plants Permeable pavers 5 new seating areas Local stone FSC-certified wood A Case Study Comparison

  7. 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 A Case Study Comparison

  8. Reduces stormwater runoff Captures and infiltrates 30% of all rain falling on the site. Sequesters carbon Traps 1,500 lbs of carbon annually in tree biomass. Increases social value of space Increased café patronage by 30% on weekdays and 50% on weekends. From Features to Claims to Benefits

  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

  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

  11. Factoid Library FIT Workshop 11/16/10, Slide 18

  12. Landscape Performance Series Slide 21

  13. Benefits Toolkit From National Tree Benefit Calculator, by USDA Forest Service and Casey Trees Landscape Performance Series Slide 22

  14. Landscape Performance Series Slide 26

  15. 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

  16. Landscape Performance Series • Case Study Briefs • Benefits Toolkit • Factoid Library • Scholarly Works www.lafoundation.org/lps Thank you to our Landscape Performance Series Sponsors: Annual Sponsor Founding Partner The CLASS Fund/Ralph Hudson Environmental Fellowship AILA/Yamagami/Hope Fellowship Special Commitment

  17. Barbara DeutschExecutive Directorbdeutsch@lafoundation.org202-331-7070 x12

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