watersmart innovations 2010 top mistakes to avoid when improving your building's water...
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CM 321 - Mechanical
Lessons Learned Top Mistakes to Avoid when Improving your
Building’s Water Efficiency
Troy Aichele
Aichele and Associates, LLC
October 7, 2010
CM 321 - Mechanical
Aichele
+ IKE
LEE
CM 321 - Mechanical
CM 321 - Mechanical
CM 321 - Mechanical
Plunging into Plumbing – Specialty Systems Instructors: Troy Aichele
CM 321 - Mechanical
CM 321 - Mechanical
CM 321 - Mechanical
Objectives
1. Audits
2. Installation
3. The Human
Factor
CM 321 - Mechanical
Troy’s Toilet Trivia
In the United States, when is the toilet flushed
more often than any other time of the year?
CM 321 - Mechanical
Objectives
1. Audits
2. Installation
3. The Human
Factor
CM 321 - Mechanical
Assemble Data
Historical Use
Cost Data /
Utility Rates
Building Use and
Occupancy
CM 321 - Mechanical
Compare Benchmarks Water Use / SF / Year Comparisons
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)
CM 321 - Mechanical
CM 321 - Mechanical
CM 321 - Mechanical
Sensor Activated Water Closets
CM 321 - Mechanical
Waterless
Urinals
CM 321 - Mechanical
74
Find Existing Leaks
CM 321 - Mechanical
Be thorough
CM 321 - Mechanical
CM 321 - Mechanical
CM 321 - Mechanical
CM 321 - Mechanical
Actual Fixture Counts not matching
Audit Count
CM 321 - Mechanical
CM 321 - Mechanical
Troy’s Toilet Trivia
Which toilet cubicle in a public restroom is
usually the cleanest?
CM 321 - Mechanical
Over or Under Estimating Use Rates
Water Closet – 3 / Day (Women)
– 1 / Day (Men)*
Urinal – 2 / Day (Men)
Faucets – 1 Minute / Person / Day
Shower Use – 8 Minutes / Day
*3 / Day if no urinals
CM 321 - Mechanical
Over or Under Estimating Use Rates
CM 321 - Mechanical
Measuring with Bucket and
Stopwatch
Measure twice
and average
Measure 10%
of similar
devices
throughout
facility
CM 321 - Mechanical
Objectives
1. Audits
2. Installation
3. The Human
Factor
CM 321 - Mechanical
Lowering GPF without changing bowl
CM 321 - Mechanical
Fixture Footprints
are not all the same
CM 321 - Mechanical
System Shut-downs vs. Freezing
CM 321 - Mechanical
Beta-Testing
CM 321 - Mechanical
Problematic Existing Conditions
CM 321 - Mechanical
Aerators vs. Flow Control
CM 321 - Mechanical
CM 321 - Mechanical
Objectives
1. Audits
2. Installation
3. The Human
Factor
CM 321 - Mechanical
Straying from Water Audit
Recommendations
CM 321 - Mechanical
Low Water Flow Concerns:
Maintenance Problems
CM 321 - Mechanical
Low Water Flow
Concerns:
User Negative
Feedback
CM 321 - Mechanical
Putting Water Efficiency
Ahead of User or Building needs
CM 321 - Mechanical
Troy’s Toilet Trivia
What percentage of Americans feel better
about themselves after flushing the toilet?
CM 321 - Mechanical
Waiting for the perfect time
CM 321 - Mechanical
Irrigation (Xeriscaping)
CM 321 - Mechanical
Think you’re not eligible
for rebates ?
CM 321 - Mechanical
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
10% 10 %
Utility Rate Trends…
Waste
Water
CM 321 - Mechanical
CM 321 - Mechanical
Follow-up Audits /
Stop looking for new products
CM 321 - Mechanical
Boiler Stack Economizer
Condensate Recovery
Cost: $1,090
Water / Sewer Savings: 720 GPD
Return on Investment: 5 Months
77
CM 321 - Mechanical
Prioritize Work via ROI Durations
CM 321 - Mechanical
1. Audits
2. Installation
3. The Human
Factor
Objectives
CM 321 - Mechanical
CM 321 - Mechanical
CM 321 - Mechanical
BONUS ROUND !!!
What day is World Plumbing Day?
CM 321 - Mechanical
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