ucsc real-time waste metrics for weight-based recharge and diversion
DESCRIPTION
UCSC Real-Time Waste Metrics for Weight-Based Recharge and Diversion. Roger J. Edberg, Senior Superintendent and Bradley E. Angell , Analyst Grounds Services, UC Santa Cruz California Higher Education Sustainability Conference, CSU San Diego Wednesday, June 18, 2014 at 1:00 – 2:15 PM. - PowerPoint PPT PresentationTRANSCRIPT
UCSC Real-Time Waste Metricsfor Weight-Based Recharge and Diversion
Roger J. Edberg, Senior Superintendent and Bradley E. Angell, AnalystGrounds Services, UC Santa Cruz
California Higher Education Sustainability Conference, CSU San DiegoWednesday, June 18, 2014 at 1:00 – 2:15 PM
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
UCSC Grounds Material Recovery Structure
2,199 (62%)
2,782
3,677
2,799 (51%)
894 (24%)
1,369
1,805 (54%)
3,568
16,08714,542
5,422 16,752
Resource Recovery Trends, UCSC
Student Population
Total Recovery
Refuse
Tota
l Dive
rsio
n
Other Diversion
Recycling
Cardboard
tons
tons
tons
tons
tons
Food Waste
2,316 (57%)
2004 2005 2006 2007 2008 2009 2010 2011 2012 20130
1,000
2,000
3,000
4,000
5,000
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Operational / Billing Data
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 20130
500
1000
1500
2000
2500
3000
3500
180
895
1096 1156
2158
2799
2054
2315
1806
2199
2602.26
27282756
2661
2877
2623
1938
1772 1544.4
1369
6.5%
Campus-wide Diversion Data Collection
30.3%28.5%24.7%
53.9%
61.6%
56.6%
42.9%
51.6%
51.5%
REFUSE
DIVERSION
DIVERSION RATE
TO
NS
YEAR UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Billing Structure vs. Diversion Goals
6 cubic yards7 services$8 / cu.yd. $ 336 revenue
6 cu.yd.
$ 336
7 services
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Data Maniac
UC Santa Cruz
UC Davis
Installing the Loadman System
on-fork scales
scale processor
on-board meter
cell modem
gps antennae
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Error Rates and a Practice in Accuracy
10
/12
11
/12
12
/12
1/1
3
2/1
3
3/1
3
3/1
3
4/1
3
5/1
3
-100%
-90%
-80%
-70%
-60%
-50%
-40%
-30%
-20%
-10%
0%
10%
20%
30%
Refuse
Cardboard
+ 5%
- 5%
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
“Don’t enjoy picking up empty dumpsters.”
D J F M A M J J A S O N D J J0
100
200
300
400
500
600
700
800
900
1000
2013 Weights2013 Mean2013 Median2013 ModeMonthly MeansMonthly MeidansMonthly Modes
pounds
Monthly Values for 2013
Annual Mean: 173 pounds
Annual Median: 138 pounds
Annual Mode: 30 pounds
PHYS-PLNT-N Dumpster Sonar Test
Python
text
html
excel
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Testing the first Smart Dumpster
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
A Digital Three-Legged Stool19
-Aug
26-A
ug
2-Se
p
9-Se
p
16-S
ep
23-S
ep
30-S
ep
7-O
ct
14-O
ct
21-O
ct
28-O
ct
4-No
v
11-N
ov
18-N
ov
25-N
ov
-50
0
50
100
150
200
250
300
350
400
450
500
493 pounds
49
238
66
Driver Entry
36%
74%
5%
Battery Failure
a
b
Loadman
Smart Dumpster
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
UCSC Recharge & DiversionBradley E. Angell
Last Year’s Analysis: DARC & ENGINEERING 2
Digital Arts Research Center
Baskin Engineering
May 2013
May 2013
REFUSE Cost per Pound$432 / 1,025 lbs = $0.42 per pound
CARDBOARD Cost per Pound$288 / 344 lbs = $0.83 per pound
REFUSE Cost per Pound$1,344 / 5,067 lbs = $0.26 per pound
CARDBOARD Cost per Pound$768 / 434 lbs = $1.77 per pound
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Conclusion: Impacts on Practice
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Conclusion: Future Resource Recovery at UCSC
Contact Information: Bradley E. Angell(831) [email protected]
UCSC Recharge & DiversionRoger J. Edberg & Bradley E. Angell
Questions or Comments?