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Arial 14 title area Arial Bold 17 point Food Waste Pilots – the story so far Justin Lang, Program Manager – Local Government, ZWSA LGA / WMA Breakfast 17 November 2008
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Once upon a time in a land far away… There lived a princes trapped in a kitchen… People in her village had no idea of what to put in their GO bin But then along came the GO contamination wkg grp
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Source separated food organics Burnside Trial September 2005 to April 2006 Green organics collection, monthly to fortnightly food organics popular achieved 64.6% kerbside diversion potential for greater diversion from landfill (GO Bin ownership, increase participation)
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Source separated food organics Business Case (undertaken by John Comrie ‘06) suggests costs $15-16/hh/annum to add food waste to 3 bin system reduces to marginal saving if waste collected fortnightly http://www.zerowaste.sa.gov.au/pdf/reports/food_waste_collection_business_case.pdf Further business case to be undertaken – from pilots.
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Why Pilots? To identify: Costs and savings (compared with existing 3 bin system) Diversion from landfill & participation Yields and capacity in each kerbside bin
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Why Pilots? To identify: Contamination rates (recycling and organic bins) Effectiveness of communication material Community attitudes
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Image area Overview of Council EOIs Councils proposing weekly collection of residual Adelaide City Council Incl MUD’s / hi rise Campbelltown Weekly versus fortnightly comparison Charles Sturt Reviewing two different containers Light Regional Council Compare 2 different townships (demographics: young families, older area) Mitcham Joint submission by East Waste w C/town Whyalla Reviewing two different containers as well as testing two areas (contamination) West Torrens Demographics, communication
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Image area Overview of Council EOIs Councils proposing fortnightly collection of residual Campbelltown (940 dwlgs)Comparison also with weekly Mallala (850 dwlgs)Currently f/nightly 240L Norwood, Payneham & St Peters 1,000 dwellings (2 areas) alternating presentations Wattle Range (Millicent f/n4,150 dwellings, fluctuating populations (tourist destinations)
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Who else is involved Collectors East Waste Solo Resource Recovery Cleanaway Mastec Collection Systems Veolia Processors Jeffries Van Schaiks Peats
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After 7 Days Testing decomposition: 6 Samples
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After 28 Days Testing decomposition: 6 Samples
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Audits - Complex and critical Councils nominate areas / demographics; Numerous samples (seven councils had 2 samples, 1 x 3, 1 x 4, 1 x 6); Visual analysis – dwelling type, chronological list and digital photos, notes on contents, capacity analysis; 3 streams, 100 bins, presentation rates; Audit facilities & checklist for Councils.
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Kerbside Audits Demographics (population, no. per h/hold, dwlg type) –Traditional dwelling –Semi-detached –Maisonette (1950’s SAHT) –MUD (Units) –Row dwellings/townhouse –Rural Living (over 3,000m 2 ) Where 5% or more Representative versus random sampling Revisit & seasonal issues
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Kerbside Audits Bin condition (potential) Contamination item count and weight Incidence of contamination Composition analysis (site specific / truck level) Presentation rates Waste ……………..95% Recyclables ………86% Green Organics ….52%
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Image area Initial support from Zero Waste SA to implement systems to divert more compostable material. To learn together, and share findings; In a pilot, potential to: review participation, diversion, contamination, bin ownership, rate of uptake* satisfaction levels, assess economies of full-scale implementation, capacities (bin and collection rounds); Opportunities
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Image area Specific attributes of a successful system (weekly versus fortnightly), Presentation of residual bins - collection with alternating bins (green organics versus recyclables); Assessment of increased diversion (incl. recyclables); Extent, severity and incidence of contamination; Three strikes policy – keeping recyclables and green organics clean. Options for large households – user pays for extra MGB? Nuances of a system – and management
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Cost sharing framework for pilot Kitchen receptacles/bins for food waste Compostable bags (150 bags / household) Kerbside audits – all three streams (2 per council) & report Market research - survey (representative sample / pilot) & report Development of template communication materials Zero Waste SA is funding:
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Cost sharing framework for pilot Communication with residents in pilot areas Negotiating with collection contractors and processors And are funding: Production of communication materials Delivery of containers (and compostable bags) to households Councils are responsible for:
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Pilot brochures… Key messages : –Frequency of collections –Place material in GO Bin –50% of residual stream is organic –System will help divert up to 75% of residential waste –Uses images, icons, KISS –As easy as one, two, three…
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Image area Performance criteria (contract conditions): Performance based: success thresholds and intervention levels; Intention to maintain pilots (for up to 2 years) with potential to expand with further support; Repayment events; Feedback on containers; Communication material – development of clear, common messages and enjoy efficiencies; Local Government feedback
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Fortnightly Waste - Issues Need for a trial of fortnightly 140L waste bin Perception – not enough capacity in waste bin Expected to force more organics and recyclables into other bins (hence improved diversion from landfill) Effect on contamination - green organics and dry recyclables?
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The 10 pilots will contribute to a broader body of work: Audits: systems, diversion, contamination, yields Market research: user satisfaction Cost/benefit analysis of each system Capacity analysis (visual analysis by audits), tonnes per truck Option later for Councils to change systems with support Following final assessment, reports will be available at www.zerowaste.sa.gov.au Conclusion
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