Transcript Media and Communication Strategy

Project Overview
Waste Pathways: Outlook 2007
Justin Lang, City of Burnside
Overview
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Trial preparation – lead times
Background info on GO presentation
Scope of organics audits
Participation & barriers to uptake
Resident survey
Composting sessions
Recommendations
Implementation
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Large trial area
Representative housing, demographics, etc
Limited contact with residents
Professional information for community
Trial brochure
• Key messages:
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Fortnightly service
Place material in GO Bin
Clean & simple to use
Current service has
achieved 56% diversion
– 50% of residual stream is
organic (2004 CoB audit)
– Bio baskets will help divert
up to 75% of residential
waste stream
– As easy as one, two, three…
Audit methodology
Adapted from Kerbside Performance reporting:
• Assess participation and resident behaviour
(contamination, no. of bags);
• Monitor presentation rates, tonnages, yields per
household;
• Assess WHERE organics are going (both waste
and GO streams).
Results
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Participation
Contamination
Diversion (and potential diversion)
Weight per bag
Bag consumption
Yields per household (kilograms)
2004 Kerbside Audit (W&R)
05/06 Bio Basket Organics Audit (W&GO)
Composition of material
– as presented (n=76)
Composition of material – as presented
(n=245, GO n=192, waste n=241)
recyclables
recyclables
waste
66% capacity
58% capacity Recyclables
17.9%
Compostables
53.9%
Recyclables
96.6%
Food waste & compostable
material (kg)
66% capacity, 2nd bins 65%
Compostable
green organic
material (kg)
Misc plastics
5.2%
Other
material
23.0%
waste
62% capacity 2nd bins 62%
69% capacity Not assessed
Compostables
(kg)
Not assessed
Not assessed
contamination (kg)
Typical participants
5.00 kg food
waste
/ fortnight
Rec.
W
Rec.
Bio bags
presented in
GO bin
56% capacity
56% capacity
59% capacity
~17.00 kg
green
organics per
fortnight
Food in
residual
Negligible
food in residual
“Non participants”
Rec.
Rec.
W
Substantial
food in
residual
W
W
Participation
• 245* premises incl. in organics audits
• 192/245 premises (78%) presented GO bins
• 132/192 presented food waste in GO Bins
(69% of GO Bins presented).
• Based upon kerbside audits, this represents a
participation rate of 54% (132/245).
• Home composters (~9-18)
• 3.2 bags per wk/hh
Results - diversion
• 36.3% diversion of the residual organic
waste
• 8.6% diversion of the total waste stream
64.6% diverted
20% residual
15.4% organic
green organics
food (8.6%)
recyclables
Food waste per household
25
20
15
10
5
0
<.04
kg
<2 kg
<4 kg
<6 kg
<8 kg
<10 kg
<12 kg
<14 kg
<20 kg
<54.96
kg
% diversion of organics per household
30
(No GO presented)
25
20
15
10
5
0
0%
< 10%
< 20%
< 30%
< 40%
< 50%
< 60%
< 70%
< 80%
< 90%
< 99.5%
100%
% diversion food waste per household
50
45
40
35
30
25
20
15
10
5
0
<1%
< 10%
< 20%
< 30%
< 40%
< 50%
< 60%
< 70%
< 80%
< 90% < 99.5%
100%
Results - contamination
• Green organics stream
– 2.79% contamination of green organics
bins (by weight)
– 23% incident rate of contamination
– Typically garden pots etc
• Negligible contamination within
cornstarch bags
Results – telephone survey
• 98% trial community awareness
• 84% had used the system
• 77% continued to use the system (93%
were happy to continue)
• 81% of current users and 48% former
users – “very easy” to use
• No issues with odour
• Willingness $, 5+ bags,
other disposal methods
Composting / sessions
• Telephone survey 38% (34) composting
• 13 resident info sessions (3 hr sessions)
- free Gedye bin
• Part of exit strategy (in conjunction with
continued use). Cornstarch bags
available from Council office.
Kerbside collection
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Performance of trucks (monthly audits)
Weight per load & daily tonnages
Determine average yield / household
Contamination
– CCTV
– 2 strikes policy
– Removal of service
Barriers to uptake
• Basic GO service (since 1997) monthly
(optional user-pays service)
• 39% dwelling units / flats
• GO Bin ownership relatively low (~65%)
• Split bin service collected weekly (by
necessity) compared with opportunity for
Councils with 3 bin systems to reduce effective
volume of residual waste containers (fortnightly
collections)
Recommendations
• Reduce residual waste collection frequency
(reduced cost of collection offsets bio basket
cost & ongoing bag costs)
• This also has the potential to:
- increase diversion ratio (for each h/hold) and
- increase participation (get more onboard)
• LG report available.