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Deconstruction: A Local Government Model

Deconstruction: A Local Government Model. Wayne Fenton Orange County Public Works, Hillsborough, NC.

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Deconstruction: A Local Government Model

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  1. Deconstruction: A Local Government Model Wayne Fenton Orange County Public Works, Hillsborough, NC

  2. Deconstruction is the process of selectively and systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures. Deconstruction differs from recycling in that recycling does not seek to capture building materials in a reusable form (i.e., whole bricks, blocks, clean, unbroken pieces of lumber, etc.) What is Deconstruction?

  3. A Brief History • Orange County owns 34 buildings • Buildings range in age from pre-Revolutionary war to modern structures

  4. The Building Approximately 3,000 square feet

  5. The Experiment • A 1920’s/1950’s mixed construction structure housing a sheltered workshop • Building located in heart of historic district • Sat vacant for several years after suffering severe storm damage • Options considered

  6. The Process • Project approved by BOCC • Purchasing Dep’t persuaded • Bid-process tailored • Seasoned local deconstruction specialists hired • Process documented

  7. Removal of unsafe structure Capture of valuable materials, especially for use in other similar vintage structures Demonstrate feasibility of process Provide skills enhancement opportunities Document the process: To develop promotional video To develop basic “how-to” video Desired Project Outcomes

  8. Materials Recovered • 39+ tons of building materials recovered for reuse through deconstruction

  9. Recovered Materials

  10. Materials Recycled • 6 tons of metal • 1 ton of white goods • 140 tons of concrete

  11. Waste Generated • Less than 100 tons of waste generated by deconstruction required disposal • Primarily rotted wood, mixed composition items, sheetrock, shingles

  12. Benefits of Deconstruction

  13. Economic • Cost of deconstruction can be less than cost of demolition • Salvaged materials have a value • Cost avoidance in tipping fees • Preservation of landfill space • Job-skills training

  14. Environmental • Preservation of landfill space • Resource conservation • Deconstruction a cleaner technology than demolition – less noise, air pollution

  15. Educational • Governments should lead by example • Act as a catalyst to contractors, facility owners/managers • Be a model for other governments

  16. Demolition Costs Estimate: $50,000 Deconstruction Costs Actual Expenditures: $37,929 Savings Salvaged Materials Value: $37,130* Landfill Fees Avoided: $1,600 Cost Benefit Analysis * Based on local vendor estimate

  17. Structure successfully and safely removed Some materials have been reused in other projects Demonstrated feasibility of deconstruction option Provided temporary workers with enhanced skills – two hired by County, one still employed Promotional video complete & limited distribution Measuring Success

  18. The Video • High quality, low budget • 16 minutes running time

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