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Is a Ton of Material Worth a Ton of Work?

Deconstructing Deconstruction. Is a Ton of Material Worth a Ton of Work?. Stephanie Boyd, Williams College, sboyd@williams.edu Charley Stevenson, Integrated Eco Strategy, charley@integratedecostrategy.com. Agenda. Overview of project Three scenarios Methodology Analysis of findings

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Is a Ton of Material Worth a Ton of Work?

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  1. Deconstructing Deconstruction Is a Ton of Material Worth a Ton of Work? Stephanie Boyd, Williams College, sboyd@williams.edu • Charley Stevenson, Integrated Eco Strategy, charley@integratedecostrategy.com

  2. Agenda Overview of project Three scenarios Methodology Analysis of findings Financial analysis Transportation impact Lessons learned

  3. Kellogg – Originally the President’s House and currently one of the oldest structures (1794) on campus 2011 1794 1872 1919 www.youtube.com/watch?v=tXS6HcKXJ6o

  4. Before… Kellogg House- 1794 Seeley House - 1868

  5. Deconstruction… 1 2 3 4

  6. Deconstruction…

  7. Moving Kellogg… Video of Kellogg House Move

  8. Waste hierarchy Avoid for LEED 100% Diversion LBC Avoid for LEED Perform for LEED Perform for LEED

  9. Scenarios we considered… FOUNDATION REMOVED and RECYCLED BASE CASE (Theoretical) ACTUAL STORY MAXIMUM REUSE-RECYCLE (Theoretical) MOST Material Landfilled SOME Material Landfilled Some Relocation Most Material NOT Landfilled Some Relocation

  10. EPA’s: WAsteReduction Model

  11. Range of Emissions Impact by Material METALS Source: www.epa.gov/climatechange/waste/calculators/Warm_home.html

  12. Base Case • Metals and concrete recycled • Other materials landfilled

  13. The Actual Story • Higher reuse • Higher recycling • Some landfill

  14. By weight, most material was recycled. Significant portion of non-foundation materials was landfilled.

  15. Maximum Reuse and Recycling

  16. Emissions Savings by Scenario

  17. Most emissions benefit due to wood ….and metals. Concrete – lot of weight, small benefit.

  18. Financial Analysis

  19. How far should you drive?Example: 130 miles to Boston

  20. Lessons Learned Reuse or recycle as much of the wood as possible Concrete has minimal impact on emissions Are we measuring/evaluating the right things? Transportation not as important as we thought! Planning, planning, planning

  21. QUESTIONS AND COMMENTS Special thanks to JJ Augenbraun, Williams Class of 2011! Stephanie Boyd Director Zilkha Center for Environmental Initiatives Williams College sboyd@williams.edu Charley Stevenson Integrated Eco Strategy Williamstown, MA charley@integratedecostrategy.com

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