Waste Diversion Opportunities - Lethbridge · 2 Waste Diversion Opportunities Process FEi C i iFour...
Transcript of Waste Diversion Opportunities - Lethbridge · 2 Waste Diversion Opportunities Process FEi C i iFour...
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Waste Diversion Opportunities
Presentation to City Council March 5, 2012
Presentation to City Council March 5, 2012March 5, 2012March 5, 2012
Waste & Recycling Services
Waste Diversion Opportunities
PurposeProvide Council with an update on resolutions referred to
environment committeeenvironment committee
BackgroundReferral to Environment Committee:Recycling Depots Review (May 2, 2011)
C b id R li A l i (M 2 2011)
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Curbside Recycling Analysis(May 2, 2011)
Green House Gas Plan (May 16, 2011)
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Waste Diversion Opportunities
Process
F E i C i iFour Environment Committee meetings:Waste diversion/reduction master plan (Oct 13, 2011)
Curbside diversion programs (Oct 20, 2011)
Evaluation of options (Jan 26, 2012)
Evaluation of options (Feb 1, 2012)
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What are the Objectives?
1. Environmental protection?• GHG reduction
• Leachate reduction
• Decreasing long term liability of ownership
2. Conserving landfill space?
3. Providing a service to the customer/ resident?
4. Low cost?
5. A municipal leader in the field of Waste Management?
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BackgroundCanada• 1989, target of 50% waste generation reduction by the year
2000 set by the Canadian Council of Ministers of the E i tEnvironment
• Provinces and municipalities followed with development of waste reduction goals and targets
Examples• Alberta – per capita waste generation 500 kg/year• Calgary - 80% waste diverted from landfills by 2020• Red Deer - 40% reduction from 2009 levels by 2035
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• City of St. Albert – 35% reduction of current levels by 2020
Where Does the Waste Come From?
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Existing Waste CharacteristicsLethbridge
Residential Waste Characteristics~ 28,000 tonnes annually
OrganicsOther Recyclables
Waste
PaperCardboard
Alberta
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Current Diversion Activities in Lethbridge
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Total Diversion: 7,180 t (20%) Diversion Depots: 3,380 t (9.5%)
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Program Options
The Opportunities1 Develop an ICI (Industrial Commercial &1. Develop an ICI (Industrial, Commercial &
Institutional) strategy2. Centralized Recycling Depots
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Why the ICI Sector?
• 75% of total waste disposal at landfill• High potential for diversionHigh potential for diversion
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The ICI Sector
• Focus on diversion: Fiber (paper & cardboard)OrganicsOrganics
• Opportunity for C&D• Service delivery model
Role of the City Cost
• Organics processing facility
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Recommendation
• Proceed with the development of an ICI diversion strategy
• Consulting assistance (to a maximum of $60K)• Consulting assistance (to a maximum of $60K) The strategyOrganics processing Funded from the accumulated recycling surplus
• Present results in fall 2012
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Program Options
The Opportunities
2. Centralized Recycling Depots
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Recycling DepotsCurrent
Issues Capacity & site servicing Litter Site design
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Centralized Recycling Depots
Description 3 large centralized depots Located on city owned land Site specific design
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Recycling DepotsProposed
Description Different style of bin Capacity = 720 yards (+95%) Enclosed bin to manage litter
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Recycling DepotsCosts
Capitol cost $1 9 M $1.9 M Funding
• $1.7 M from the accumulated waste surplus• $200 K in 2012 operating budget
Operating cost Savings of $.40/month (from current rate of
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$3.60/mo) Will adjust rates once project is complete
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Recycling DepotsYard waste site option
Site design Request for west side site J /12 t b h Request for west side site
Option to co-locate June/12 report on branch chipping & program options
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Recycling Depots
The Value of Depots? • Integrated system with complimentary components• Creates ‘Options’• Creates ‘Options’
•Combine depot with curbside service to provide highest level of convenience for residents & highest participation
• Other unique waste streams (ie: glass, styrofoam)• Large volumes of cardboard• Yard waste options• Part of strategy for ICI
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•Small business sector
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Recycling DepotsRecommendation
• Replace the current 7 recycling depots with 3 centralized depotscentralized depots• Implementation date for the new sites is Oct, 2012
•Open houses•Communication strategy
• Extend current depot servicing contract:Month by month beyond Sept 30/12
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Program Options
The Opportunities1 Develop an ICI (Industrial Commercial &1. Develop an ICI (Industrial, Commercial &
Institutional) strategy2. Centralized Recycling Depots3. Enhanced Residential Curbside Programs
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Program Performance
Programs (residential)• Curbside recycling 10% to 20+%
• Drop off recycling 3% to 10%• Drop off recycling 3% to 10%
• Curbside yard waste 10% to 20+%• Drop off yard waste 3% to 10%
Participation & Capture• Pay as you Throw 3% to 10%
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Pay as you Throw 3% to 10%• Education 1% to 3%• Regulations ??
Curbside Recycling Description• Collection of comingled material in a cart
• Targets the remaining 25% of recyclables inTargets the remaining 25% of recyclables in the waste cart
Considerations• Need for a facility to process single
stream material• Need for a pilot
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• Opportunity for bi-weekly collection to reduce costs
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MRF Cost
MRFs become more economically at >30,000
tonnes per year
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MRF Annualized Capital and Operating Cost Curves (FCM, 2004)
MRF Cost Current BFI MRF has a throughput of approximately 15,000 tonnes per year
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MRF Annualized Capital and Operating Cost Curves (FCM, 2004)
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Res Diversion Potential RecyclablesTotal Material
generated 2012
Percent in Material
Generated
Total Recyclables Generated
2012
Participation Rate
Capture Rate
Diverted tonnage in 2012
Overall Diversion Potential
2012Res 36 500* 35%** 12 600 60% 60% 4,400 12% ofRes 36,500 35% 12,600 60% 60% 4,400 12% of
residential material
Total Material generated
2026
Percent in Material
Generated
Total Recyclables Generated
2026
Participation Rate
Capture Rate
Diverted tonnage in 2026
Overall Diversion Potential
2026
* Total material generated equals total waste (28,000 t) plus total diverted (7,180 t) plus 2% growth equals 36,500
** Percent in material generated equals 25% recyclables in material disposed plus 10% of recyclables diverted today equals 35%
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Res 59,000 35% 20,500 75% 75% 12,400 21% of residential material
Organics
• Organics compromise about 47% of the residential garbage (11,700 tonnes) and 15% (9,200 tonnes) of ICI garbage.
• Depending on the seasons, yard waste can compromise a significant amount of the residential organics waste stream
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stream.Seasonal Variations Residential Organics (Generated based on City of Lethbridge Data)
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Curbside Organics Description• Collection of ‘Kitchen Organics’ in a cart• Targets a portion of the remaining 47% in theTargets a portion of the remaining 47% in the
waste cart• 20% kitchen organics• 27% leaf & yard
Considerations• Mitigate GHG & leachate in the landfill• Need for a facility to process single stream material
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• The ‘Yuck’ factor & participation• Need for a pilot• Bi-weekly collection will reduce costs
Composting Systems
Windrow Composting - Turning and passive aeration
Annual Throughput & Cost/ton
Capital Cost Range
Operational Cost Range
Time to Reach End-
Product
12,000 t$24-50/t
$1 -2 Mil $200k -400k
3-18months
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Source: Municipal Waste Integration Network and Recycling Council of Alberta, 2006
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Res Diversion Potential OrganicsTotal
Material generated
2012
Percent in Material
Generated
Total Organics
Generated 2012
Participation Rate
Capture Rate
Diverted tonnage in 2012
Overall Diversion Potential
2012
* fRes 36,500* 45% 15,000 45% 45% 3,000 9% of res material
Total Material
generated 2026
Percent in Material
Generated
Total Organics
Generated 2026
Participation Rate
Capture Rate
Diverted tonnage in 2026
Overall Diversion Potential
2026
* Total material generated equals total waste (28,000 t) plus total diverted (7,180 t) plus 2% growth equals 36,500
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Res 59,000 45% 26,000 65% 65% 11,000 20% of res
material
Status Quo Long Term Effect of Diversion Programs on
Residential Waste Generation
Residential garbage generation will continue to increase to 50,000 t with current practices
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Long Term Effect of Diversion Programs on Residential Waste
Generation
Residential garbage generation will continue to increase if the above assumed residential diversion rates are not exceeded.
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Curbside ProgramsNext Steps
• Develop collection models• Collection of recyclables• Collection of organics• Bi-weekly collection
• Detailed costing• Review funding strategies• Seek consulting assistance (to a maximum of $120K)
Processing of Recyclables
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Processing of Recyclables Processing of Organics Funded from accumulated recycling surplus
• Report back to council in the Fall/12
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Summary of Recommendations
1. Develop an ICI strategy• $60K for consulting services• Present results in fall 2012• Present results in fall 2012
2. Implement Centralized Recycling depots• Proceed with design, construction & communication• Extend current contract – month by month beyond Sept/12
3. Further investigate residential curbside diversion options
C ll ti d l ti & f di t t i
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• Collection models, costing & funding strategies• $120K for consulting services• Present results in fall 2012
Program Options
Discussion
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