C&D Waste Recycling at Yale University

Building Materials Reuse Association, Annual Conference- May 2007

April 2000

”In the future, Yale could also explore reducing and reusing construction waste- the debris

generated and discarded on construction projects.”

July 2003-July 2005

Yale Chemistry Research Building

Architect: Bohlin Cywinski Jackson

Contractor: William A. Berry & Son, Inc

LEED Consultant: Debra Lombard (RETEC) 72%

28%

Total Waste Diverted

Total Waste Disposed

July 2003- July 2005

Wood

Concrete

Metal

Mixed C&D(45%)RelocatedHouseMixed C&D(Landfill)MSW (Trash toEnergy)

July 2003- July 2005

Wood (83 tons)3B Ranch, LLC - Northford, CT

Concrete (171 tons)Valley Sand and Gravel – North Haven, CTModern Material – Hamden, CT

Metal (10 tons)Metal Management – North Haven, CT

Municipal Solid Waste (362 tons)Wheelabrator Bridgeport Burner – Bridgeport, CT

Mixed C&D (625 tons)New Haven Transfer –New Haven, CT

July 2003- July 2005

2004

84722501

2282ERB

CRB

Operational YaleWaste

2005

Requirement: 50% diversion of construction and

demolition waste as defined in LEED

2005

Goal of 75% recycling of all waste materials

February 2004-January 2006

February 2004-January 2006

Yale Engineering Research Building

Architect: Cesar Pelli and Associates

Contractor: Whiting- Turner

LEED Consultant: Atelier Ten- Paul Stoller & Claire Johnson

93%

7%

Total Waste Diverted

Total Waste Disposed

February 2004-January 2006

Concrete/Asphalt/Brick Stumps

Scrap/Waste Wood Metal

Sheetrock Cardboard

Office Paper

April 2006 – June 2007

7%

93%

Total Waste Diverted

Total Waste Disposed

Yale Sculpture Building

Architect: Kieran Timberlake Associates

Contractor: Shawmut

LEED: Atelier Ten, Anne Nicklin

MRc2.1 - 2.2, Construction Waste Management TrackingSample Calculations: Note that these numbers are purely fictitious and should not be used for reference.

MaterialsEstimated Total Quantity

Actual Quantity to Date

Disposal Method

Estimated Quantity Recycled

Estimated Quantity Disposed

Actual Quantity Recycled

Actual Quantity Disposed

Estimated Tip Fee, Recycling

Estimated Trans., Recycling

Estimated Cost, Recycling

Estimated Cost, Disposal

Estimated Savings

[tons] [tons] [R/D] [tons] [tons] [tons] [tons] [$/ton] [$] [$] [$] [$]Land clearing debris 25 27.5 D 0 25 0 27.5 $7.50 $200.00 $406.25 $25.00 -381.25Cardboard 0.75 0.65 R 0.75 0 0.65 0 $5.00 $90.00 $93.25 $1,450.00 1356.75Poly, Shrink wrap 0.25 0.45 D 0 0.25 0 0.45 $10.25 $35.00 $39.61 $75.00 35.3875Carpet & pad 0.5 0.35 D 0 0.5 0 0.35 $7.00 $100.00 $102.45 $212.00 109.55Asphalt 250 345 R 250 0 345 0 $3.25 $50.00 $1,171.25 $2,314.00 1142.75Block & brick 25 65 R 25 0 65 0 $2.50 $35.00 $197.50 $215.00 17.5Concrete 20 10 R 20 0 10 0 $5.00 $45.00 $95.00 $260.00 165Brown glass bottles 0.1 0.04 R 0.1 0 0.04 0 $2.00 $20.00 $20.08 $30.00 9.92Green glass bottles 0.05 0.075 R 0.05 0 0.075 0 $2.00 $20.00 $20.15 $30.00 9.85clear glass bottles 0.2 0.15 R 0.2 0 0.15 0 $2.00 $20.00 $20.30 $30.00 9.7Aluminum cans 0.45 0.35 R 0.45 0 0.35 0 $2.00 $20.00 $20.70 $30.00 9.3Plastic bottles 0.35 0.55 R 0.35 0 0.55 0 $2.00 $20.00 $21.10 $30.00 8.9Clean wood, Pallets 1.5 3.45 D 0 1.5 0 3.45 $5.50 $50.00 $68.98 $50.00 -18.975Plywood, Particle board 4.5 4.05 R 4.5 0 4.05 0 $5.50 $50.00 $72.28 $85.00 12.725Gypsum drywall 5.75 6.25 R 5.75 0 6.25 0 $3.50 $120.00 $141.88 $350.00 208.125Metal 4.75 5.15 R 4.75 0 5.15 0 $2.50 $30.00 $42.88 $65.00 22.125Paint 0.35 0.25 D 0 0.35 0 0.25 $10.00 $85.00 $87.50 $12.00 -75.5General Refuse 1.25 1.54 D 0 1.25 0 1.54 - - $320.00 $320.00 0TOTALS: 340.75 470.805 311.9 28.85 437.265 33.54 $2,941.14 $5,583.00 $2,641.86ESTIMATED WASTE RECYCLED: 91.5%

ACTUAL WASTE RECYCLED: 92.9%

This worksheet should be filled in by the contactor at regular intervals during construction.

Existing Foundations (Concrete)

Existing Foundations ( Metal Rebar)

Existing ChainLink Fence

Existing Metal GuardRail

Site Clearings (Trees)

Site Clearings (Branches, Brush, Stumps, Etc.)

Asphalt Paving

Miscellaneous Site Debris

Concrete

CMU Block

Metal

Wood

Insulation

Gypsum

Carpet

Packaging: Plastic

Packaging - Cardboard

Packaging - Paper

Cans / Bottles

Packaging - Metal

General Refuse

Estimated Quantity Demolition /Site Clearing Phase

Estimated Quantity Construction Phase (tons)

April 2006 – June 2007

Waste Handler by Date

0.0

5.0

10.0

15.0

20.0

25.0

April '06 - May '07

Ton

s

Camputaro - Asphalt from Site Clearing Greencycle / Grillo - Wood Chips from Site Clearing Debris

Citilogs - Logs from Site Clearing .) Metal Mgmnt - Metal from Z site Clearing (Fence, Guardrail etc

) Metal Mgmnt - Concrete attached to metal in #4 (Landfilled ) Johns Refuse - Mixed Debris to Landfill (30 Yd Box

Johns Refuse - Concrete Debris to Recycle ) John's Refuse - Metal (12yd

) John's Refuse - Wood (30 yd ) John's Refuse - Cardboard (6yds

Johns Refuse - White Paper Associated Carting - Gypsum Drywall

April 2006 – June 2007

2006

7500

1608 Sculpture

Operational YaleWaste

April 2007- December 2008

• Yale Stoeckel Hall

Yale Stoeckel Hall

Architect: Charney Architects

Contractor: Daniel O’Connell’s Sons

LEED: Atelier Ten