Construction & DemolitionMaterials

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

• CMRA Estimates 350 Million Tons Annually

• Cochran/Townsend say 600 million plus

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

How Is It Recycled?

Markets

• Concrete/Asphalt

• Gypsum

• Asphalt Shingles

• Wood

• Metals

• OCC

• Plastics

• Ceiling Tile

Concrete

Uses For Recycled Concrete

• Roadbase

• Unbound Fill

• Erosion Control

• Aggregate for Asphalt Mixtures

• Aggregate for Concrete Mixtures

• Normal Aggregate Uses

www.concreterecycling.org

Barriers To Use

• Constituent Questions

• Economics

• Stubbornness

• 140 Million Tons Annually

Gypsum Drywall

Uses For Recycled Drywall• Land Application • Beneficial or Benign Use• Regional• Compost• New Wallboard• Portland Cement• Animal Bedding• Onsite Grinding

www.drywallrecycling.org

Barriers To Use

• Economics

• Plentiful

• Regulator Reluctance

• Contaminants

• Difficult Material To Recycle

Asphalt Shingles

Uses For Recycled Shingles

• Hot Mix Asphalt

• Cold Patch

• Dust Control On Rural Roads

• Temporary Roads Or Driveways

• Aggregate Road Base

• New Shingles

• Fuel

www.shinglerecycling.org

Barriers To Use

• Questions On Contaminants

• Asbestos, PAHs

• Regulator Reluctance/Overkill

• Difficult Material To Process

• Economics Can Be Very Favorable

C&D Wood

Uses For Recycled Wood

• Fuel/Life Cycle Analysis

• Mulch (onsite)

• Compost/Animal Bedding

• MDF/OSB

• Large Volume of Material

Wood Recycling

Barriers To Use

• Lack Of Value-Added Outlets

• Regional Markets

• Regulations and Legislation

• Contaminants

• GHG, Stack Emissions

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)

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

Anti-Recycling Regulations

• New Hampshire C&D Wood Fuel Ban

• New Jersey Soil Cleanliness Requirements

• Paint on Concrete--Washington, Missouri

• Flow Control/Franchises

Trends

• Tighter Regulations and Permitting, Including Required C&D Programs

• Construction Waste Management/LEED

• Green Highways Program

• Market Development—Wood, Shingles

CMRA

P.O. Box 122

Eola, IL 60519

630/585-7530

www.cdrecycling.org