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“Going Green”

“Going Green”. 2010 Northeast Association of State Transportation Officials Annual Meeting (NASTO) June 13, 2010 Wilmington, DE Jim Pappas DelDOT Materials & Research. 2010 NASTO - Going Green….

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“Going Green”

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  1. “Going Green” 2010 Northeast Association of State Transportation Officials Annual Meeting (NASTO) June 13, 2010 Wilmington, DE Jim Pappas DelDOT Materials & Research

  2. 2010 NASTO - Going Green…. National (AASHTO SOM Recycling Task Force) and local perspective on construction materials recycling for DOT’s….. “The greatest gap in life is the one between knowing and doing.”Dick Biggs

  3. Construction Materials Recycling • Why? • Impediments to implementation • Overcoming obstacles • What materials to use? • DelDOT experience • Challenge

  4. Why Recycle? • Psychological – “feel good” • Environmental benefits – no land filling • Save finite natural resources • Engineering benefits • Lower greenhouse gas emissions (less trucking) • It makes cents…. (and $$)!

  5. Impediments to Implementation • Misconceptions • Bad (past) experiences • Lack of knowledge • Regulatory challenges • Department (Agency)/Contractor willingness “Success is measured by your ability to maintain enthusiasm between failures.”Winston Churchill

  6. How to Overcome? • Outreach/marketing • Educate • Research work (FHWA, AASHTO, NCHRP, Industry, etc). • University research • Highlight state’s/contractor’s successes

  7. How to Overcome? (cont) • Partnerships • Industry (NAPA, ACI, PCA, ARRA, etc) • Environmentalists • Planners • Designers • Elected Officials/Public • Materials/Construction groups • FHWA, AASHTO • University researchers

  8. Research Activities • FHWA RAP ETG • TRB – Energy and Environmental Workshop • EPA Green Highway Partnership (GHP) Mid-Atlantic Specification Harmonization

  9. GHP Harmonization Materials • Foundry Sand • Recycled Asphalt Pavement • Fly Ash/Bottom Ash • Scrap Tires • Steel Slag • Scrap Shingles

  10. DelDOT Experiences • Materials • Recycled Asphalt Pavement (RAP) • Recycled Asphalt Shingles (RAS) • Ground Granulated Blast Furnace Slag (GGBFS) • Warm-Mix Asphalt (WMA) • Recycled Concrete Aggregate (RCA) • Fly Ash (embankment, concrete) • Tires (embankment, HMA)

  11. DelDOT Experiences (cont) • Pavement Systems • Cold-in-Place Recycling (CIPR) • Full-Depth Reclamation (FDR) • Saves natural resources • Reuse good materials • Less trucking (GHG savings)

  12. Challenge…… • Take something you’ve heard today, and try to implement it in your state. “It is hard to fail, but it is worse never to have tried to succeed …. he who makes no mistake makes no progress.”Theodore Roosevelt

  13. “If we knew what we were doing, it wouldn’t be called research.” Albert Einstein

  14. Thank you for your timeand attention Jim Pappas 302.760.2400 James.pappas@state.de.us

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