construction & demolition materials
DESCRIPTION
Construction & Demolition Materials. William Turley Executive Director, CMRA Associate Publisher, Editor, C&D World. How Much C&D Is Out There?. Original 1997 EPA Estimate of Building-Related C&D Was 136 Million Tons Left Out Road and Bridge Latest EPA Estimate is 160 Million Tons - PowerPoint PPT PresentationTRANSCRIPT
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Construction & DemolitionMaterials
William Turley
Executive Director, CMRA
Associate Publisher, Editor, C&D World
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How Much C&D Is Out There?• Original 1997 EPA Estimate of Building-
Related C&D Was 136 Million Tons
• Left Out Road and Bridge
• Latest EPA Estimate is 160 Million Tons
• CMRA Estimates 350 Million Tons Annually
• Cochran/Townsend say 600 million plus
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How Much C&D Is Recycled?
• GOK• CMRA Survey Showed 140 Million Tons of
Concrete• CMRA/PCA Survey• USGS• Asphalt 150 million tons• 28 Million Tons of Mixed C&D
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How Is It Recycled?
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Markets
• Concrete/Asphalt
• Gypsum
• Asphalt Shingles
• Wood
• Metals
• OCC
• Plastics
• Ceiling Tile
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Concrete
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Uses For Recycled Concrete
• Roadbase
• Unbound Fill
• Erosion Control
• Aggregate for Asphalt Mixtures
• Aggregate for Concrete Mixtures
• Normal Aggregate Uses
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www.concreterecycling.org
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Barriers To Use
• Constituent Questions
• Economics
• Stubbornness
• 140 Million Tons Annually
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Gypsum Drywall
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Uses For Recycled Drywall• Land Application • Beneficial or Benign Use• Regional• Compost• New Wallboard• Portland Cement• Animal Bedding• Onsite Grinding
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www.drywallrecycling.org
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Barriers To Use
• Economics
• Plentiful
• Regulator Reluctance
• Contaminants
• Difficult Material To Recycle
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Asphalt Shingles
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Uses For Recycled Shingles
• Hot Mix Asphalt
• Cold Patch
• Dust Control On Rural Roads
• Temporary Roads Or Driveways
• Aggregate Road Base
• New Shingles
• Fuel
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www.shinglerecycling.org
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Barriers To Use
• Questions On Contaminants
• Asbestos, PAHs
• Regulator Reluctance/Overkill
• Difficult Material To Process
• Economics Can Be Very Favorable
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C&D Wood
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Uses For Recycled Wood
• Fuel/Life Cycle Analysis
• Mulch (onsite)
• Compost/Animal Bedding
• MDF/OSB
• Large Volume of Material
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Wood Recycling
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Barriers To Use
• Lack Of Value-Added Outlets
• Regional Markets
• Regulations and Legislation
• Contaminants
• GHG, Stack Emissions
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Carbon Neutral Fuel• C&D derived biomass as a fuel and
alternative energy source is recommended because wood is carbon neutral
– Wood, as a biogenic source of carbon takes in carbon dioxide during its growth, making it a carbon neutral energy source when combusted
– For greenhouse gas counting purposes, the carbon dioxide emissions from wood are not counted (as compared with non biogenic sources such as fossil fuels)
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Pro-Recycling Regulations
• Massachusetts Disposal Ban• California AB 939• B.C. Gypsum Landfill Ban• Permitting Crusher, Not Site• Chicago Ordinance• San Jose SCCD Program• Use Recycled Incentives
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Anti-Recycling Regulations
• New Hampshire C&D Wood Fuel Ban
• New Jersey Soil Cleanliness Requirements
• Paint on Concrete--Washington, Missouri
• Flow Control/Franchises
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Trends
• Tighter Regulations and Permitting, Including Required C&D Programs
• Construction Waste Management/LEED
• Green Highways Program
• Market Development—Wood, Shingles
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CMRA
P.O. Box 122
Eola, IL 60519
630/585-7530
www.cdrecycling.org