MAXIMIZING RECYCLING
ON DEMOLITION SITES
RECYCLING DRIVERS
• Government Regulation
• Federal, State, local
• Contractual Responsibilities
• U. S. Green Building Council – LEED
• Money
• Increase revenue for the contractor
• Decrease disposal costs
ENVIRONMENTAL
CONSIDERATIONS
• Asbestos and PCB’s
• Category 1 Asbestos
• Polychlorinated Biphenyls (PCBs)
• Beneficial Use Rules
• MPCA encourages recycling
• Dept of Administration and MNDOT will not allow
recycled materials on some projects
• Stained concrete does not meet beneficial use
criteria
RECYCLING POTENTIAL
HOUSES
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Resale:
Mechanical systems
Electrical systems
Scrap metal
Foundations
Bituminous driveways
Dimension lumber
RECYCLING POTENTIAL
LIGHT COMMERCIAL
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Resale:
Mechanical systems
Electrical systems
Scrap metal
Foundations
Bituminous driveways
Dimension lumber
RECYCLING POTENTIAL
HEAVY CONSTRUCTION
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Resale:
Mechanical systems
Electrical systems
Scrap metal
Foundations
Bituminous driveways
Dimension lumber
CASE HISTORY
MINNEAPOLIS LIBRARY
MINNEAPOLIS LIBRARY
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Planetarium
1 story box
Full basement
Steel frame
Granite clad
Concrete floors
24,000 SF
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Library
Multistory box
Full basement
Concrete frame
Granite clad
Concrete floors
227,000 SF
PREPARE FOR DEMO
• Salvage items for
reuse/sale
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Door hardware
Stone benches
Nicollet mall stones
Travertine marble
Granite cladding stones
The Scroll sculpture
Kitchen cabinets
PREPARE FOR DEMO
• Preparation
• Abate asbestos floor tile
and mastic
• Remove hazardous
materials
• Remove built up
roofing
• Abandon elevator and
escalators
• Remove windows
• Strip interior finishes
PREPARE FOR DEMO
MASS DEMOLITION
• Site Activities
• Knock down
• Segregate concrete
and stone
• Extract rebar
• Remove non
recyclable items
• Dispose of debris
• Transport recyclables
to recycle yard
PROJECT SUMMARY
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Over 50 items salvaged for sale or reuse
8,500 pounds of copper salvage ($17,000.00)
6,000 pounds of aluminum salvage ($2,100.00)
24,000 tons of concrete recycled ($96,000.00)
830 tons of bituminous paving recycled ($3,320.00)
700 tons of steel recycled ($80,500.00)
2500 CY (2,000 tons) demolition debris disposed
93% of the building recycled by weight