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Mn/DOT’s Perspective on Shingle Recycling. March 4, 2004 Roger Olson, Research Operations Engineer. Building upon ongoing research and development efforts by Mn/DOT, OEA and RMRC. In cooperation with the SWMCB’s Shingle Recycling Project. Shingle - History. Mn/DOT tests

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mn dot s perspective on shingle recycling

Mn/DOT’s Perspective on Shingle Recycling

March 4, 2004

Roger Olson,

Research Operations Engineer

Building upon ongoing research and development efforts by Mn/DOT, OEA and RMRC

shingle history
Shingle - History
  • Mn/DOT tests

(with University of Minnesota)

  • Willard Munger Trail (1990)
  • Hwy 25south of Mayer, MN (1991)
  • Scott County Hwy 17 south of Shakopee, MN (1991)
scrap asphalt shingles
Scrap Asphalt Shingles
  • Mn/DOT’s most recent specifications,Combined 2360 / 2350, allows 5% manufactured shingle scrap in hot mix
  • Shingles considered as RAP
  • At discretion of HMA producer
shingle processing
Shingle Processing
  • Can be added like recycled asphalt pavement (RAP)
  • Steps include: grinding, sizing and grading
  • Contaminants must be removed
  • Certification of supply required
  • Manufactured waste only at this time
previous and ongoing r d
Previous and Ongoing R&D
  • Phase One: Research, Development, Field Demonstrations  Specification
  • Phase Two: Market Development Project
  • Phase Three: RMRC-funded Field Demonstrations and Technology Transfer, emphasis on “Tear Off” Scrap
ongoing mn dot shingle project co sponsored by
Ongoing Mn/DOT Shingle Project Co-Sponsored By:
  • Minnesota Office of Environmental Assistance (OEA)
  • Recycled Materials Resource Center (RMRC)
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