ace 10 high efficiency plumbing fixtures are flush with savings
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Troy Aichele
Aichele and Associates, LLC
Chicago, IL
June 24, 2010
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Aichele
+ IKE
LEE
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Case Study: Olympia, WA: $1.00 2009 Water and Sewer bill: $230,725 Spokane, WA $0.25 Everett, WA: $0.46 El Paso, TX: $0.60 Boston, MA: $1.05 San Diego, CA: $1.38 Geneva, Switzerland: $1.95 Glasgow, UK: $2.86
Source: “The World’s Water 2008-2009” by Peter H. Gleick
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Annapurna
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Utility Rate Trends
$-
$1.00
$2.00
$3.00
$4.00
$5.00
$6.00
$7.00
$8.00
$9.00
2002 2003 2004 2005 2006 2007 2008 2009
Year
PeakWater$/CCFSewer$/CCF
Estimated
10%
increase
for 2009
10 %
Water
Waste
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21st Century Water Auditor
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340 Bed Acute Outpatient Care Facility
750,000 SF Total Floor Space
2300 Employees
95,000 Patient Days / Year
2,000 Babies Delivered / Year
723 Fixture upgrades were performed in the first 3 months of 2009
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Water consumption in 2009 was 3,391,000 gallons less than in 2008
Meanwhile…..
Patient census increased 4.2% in 2009
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Month 2009 2008 Change
January 2,278.51 2,712.52 -16.00%
February 2,244.36 2,470.48 -9.15%
March 2,431.76 2,691.75 -9.66%
April 2,248.70 2,672.24 -15.85%
May 2,688.21 3,094.76 -13.14%
June 2,874.65 3,272.56 -12.16%
Totals: 14,766.19 16,914.31 -12.70%
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Month 2009 2008 Change
July 3,227 3,610 -10.6%
August 3,181 3,480 -8.59%
September 2,814 3,058 -7.97%
October 2,517 2,599 -3.16%
November 2,256 2,400 -6.02%
December 2,276 2,421 -5.96 %
Totals: 16,321 17,568 -7.1%
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In the United States, when is the toilet flushed more often than any other time of the year?
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What did we do?
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1. High Efficiency Plumbing Fixtures
2. Measuring
3. Lessons Learned
4. Project Cost-Effectiveness
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(165) 3.5 GPF water closets and bed pan washers were replaced with 1.6 GPF water closets and 1.1 / 1.6 GPF dual-flush flushometers (37% water-use reduction)
Rebate: $85,653 (75% of cost)
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(260) 1.6 GPF only flushometers on water closets and bed pan washers were replaced with 1.6 / 1.1 GPF dual-flush valve and handle retrofit kits (20% water-use reduction)
Rebate: $17,746 (75% of cost)
2009 LEED Water Efficiency • Commercial Toilet Prerequisite:
20% less than 1.6 GPF baseline
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Waterless
Standard (1.0 GPF)
One Pint (.125 GPF)
2009 LEED Water Efficiency (WE) • Commercial Urinal
Prerequisite: 20% less than 1.0 GPF baseline
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Water
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(298) 2.5 GPM shower head were replaced with 1.5 GPM shower heads (40% water-use reduction)
Rebate: $34,884 (75% of cost)
LEED 2009 Water Efficiency (WE)
• Commercial Shower Prerequisite: 20% less than 2.5 GPM baseline
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0.5 GPM faucets
2.2 GPM models with a 1.5 GPM flow control kit
2009 LEED Water Efficiency (WE) • Commercial Patient Room
Lavatory Prerequisite: 20% less than 2.2 GPM baseline
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None!
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None!
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Which toilet cubicle in a public restroom is usually the cleanest?
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0
20
40
60
80
100
120
0 500,000 1,000,000 1,500,000 2,000,000
Gallo
ns
Hospital Size (Square Feet)
Gallons Used / Square Foot / Year
Benchmarking between campuses
Case Study (719,834 SF): 36 Gallons / SF / Year
Hospital campus average: 54 Gallons / SF / Year
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Shut-downs vs. Freezing Lines
Old vs. New Fixture Footprints
User Concerns
Flushometer Adjustments
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What percentage of Americans feel better about themselves after flushing the toilet?
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New Waste Water Treatment Facility
+ Acquisition of Land
+ Conveyance Fees (including maintenance)
Total Waste Water Treatment Capacity Cost
Vs.
Fixture Installation Cost
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1. High Efficiency Plumbing Fixtures
2. Measuring
3. Lessons Learned
4. Project-Cost Effectiveness
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“We have to hit efficiency harder than ever. We need another thirty to fifty years to solve the supply problems…but on the demand side we can get way down the field right now”
Mike Davis, Pacific Northwest National Laboratory (PNNL) scientist from Hot, Flat, and Crowded; Why we need a green revolution—and how it can renew America by Thomas L. Friedman.
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What day is World Toilet Day?