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Dan Ackerstein
$200 for USGBC Colorado Members $250 for non-members Register at usgbccolorado.org%
In today’s business, LEED is the language of green. Learn how to apply the LEED for Existing Buildings: Operations & Maintenance rating system by walking through the phases and key decision points of a typical project. Engage with experienced USGBC Faculty™ and other participants to work hands-on with LEED implementation strategies and rating system tools.
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Alliance
For Sustainable Colorado
Chris Woldum, LEED AP O&M
Alliance Center Manager
1. Overview of Alliance Center
2. 2005 Fittings/Fixtures Retrofit
3. 2011 EBOM Re-certification
4. What’s next for water at the Alliance Center?
AGENDA
ALLIANCE CENTER
• 38,000 SF property in Lower Downtown
• Member of Nonprofit Center Network (300+)
• Originally constructed in 1908, with major
renovations in early ‘80s and 2005
• Mission driven – both building & tenants
2006 LEED Gold for Existing Building
2006 LEED Silver for Commercial Interiors
2011 LEED Gold EBOM Recertification
• 19 Toilets: 3.0 gallon flush > 1.0
• 6 Urinals: 1.0 gallon flush > water free
• 13 Lavatory faucets: conventional > low
flow
• 8 Sink faucets: added flow restrictors
• 2 Showerheads: conventional > low flow
48 Fixtures and Fittings
ALLIANCE CENTER 2006 RETROFITS
Fittings/Fixtures Replacements and
Additions
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
2005 2006 2007 2008 2009 2010
gal
Fixtures
Installed
1/30/06
ALLIANCE CENTER RETROFIT
ALLIANCE CENTER RETROFIT
Water - $22,000 retail
Cut water use 88%
Saving $5,000/yr
4.4 year pay back
ALLIANCE CENTER EDUCATIONAL SIGNS
ALLIANCE CENTER EDUCATIONAL SIGNS
ALLIANCE CENTER EDUCATIONAL SIGNS
ALLIANCE CENTER EDUCATIONAL SIGNS
Why:
to prove out that our sustainable O&M are
keeping up with the more vigorous LEED
requirements
Best practices audit
Identify areas of improvement
How: Combination of in-house expertise,
volunteers and LEED specialist
2011 LEED EBOM RECERTIFICATION
Goal: Recertify for LEED EBOM Gold at
little or no expense*
2011 LEED EBOM RECERTIFICATION
• WEp1: Minimum Indoor Plumbing Fixture
and Fitting Efficiency
• WEc1: Water Performance Measurement
• WEc2: Additional Indoor Plumbing Fixture
and Fitting Efficiency
• Not applicable to Alliance Center:
• WEc3: Water Efficient Landscaping –
short on minimum SF threshold
• WEc4.1-2: Cooling Tower Water
Management – no water tower
2011 LEED EBOM RECERTIFICATION
Alliance Center WE Points Profile: 7 Total
• 1 point for WEc1: Water Performance
Measurement
• 5 points for WEc2: Additional Indoor
Plumbing Fixture and Fitting Efficiency
• 1 point for Innovation in Operations –
WEc2 Exemplary Performance
2011 LEED EBOM RECERTIFICATION
• WEp1: Water Efficiency Economic
Assessment Policy
• Great Education Tool
• Room for Preventative Maintenance expectation
• 1 point for WEc1: Water Performance
Measurement
• Deficiencies identified: manual compilation of
water data and sub-metering possibilities
2011 LEED EBOM WATER EFFICIENCY
• 5 points for WEc2: Additional Indoor
Plumbing Fixture and Fitting Efficiency
• 1 point for Innovation in Operations – WEc2
Exemplary Performance
• 48 fixtures substantially completed after ‘93
• 53.4% reduction of water use in flush fixtures
• 20.15% reduction of water use in flow fixtures
• 51.19% water use reduction in all fixtures
10% = 1 pt 15% = 2 pts 20% = 3 pts 25% = 4pts 30% = 5pts
• It’s never to early to start
• Documentation
– Just because you are tracking metrics…
– Utility monitoring/tracking software?
• Integrated Project Team isn’t just for
LEED for New Construction
– Oh, the power of free labor
– …but know when to ask for help
2011 LEED EBOM RECERTIFICATION
Lessons Learned
• Digital meter for improved monitoring
• Additional sub-metering?
• Installation of landscaping
– Xeriscape
– Associated sub-meter
• Plan for the future innovation: – Composting Toilets
– Grey water use
– Water run-off capture
ALLIANCE CENTER FUTURE GOALS
What’s next for water conservation at
the Alliance Center?
Chris Woldum, LEED AP O&M Alliance Center Manager
1536 Wynkoop Street, 4A
Denver, CO 80202
(303) 572-1536
www.sustainablecolorado.org
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!!!!!!!!!!!!!!!!!!"#$!%$#&"'()*
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!"#$%&'()*%+%,-..%/$01$2%!344$256"7%&6'$%
Before: ! Predominantly Turf ! Tiered Water Rates – High Cost ! Excess Water On Non-Permeable
Objectives: ! Reduce Water Requirement ! Reduce Total Water Cost ! Reduce Runoff/Water Waste
Actions Taken: ! Landscape Modifications ! 4 ET Water Controllers Installed ! Remote Monitoring/Management
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Outcome:
64% Dollar Savings
37% Reduction in Water Use
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