Download - Owning zero usgbc co rmg 2012
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Shanti Pless, LEED APNREL, Commercial Buildings Research Group
Tom Hootman, AIA, LEED APRNL, Director of Sustainability
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New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)
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New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)
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New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)
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California PUC 2030
ASHRAE Vision 2020
Federal / EISA 2030
Massachusetts 2030
Living Building Challenge
2030 Challenge
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131K-5K
115K-10K 10K-25K 25K-50K
50K-100K >100K
19 5
8 4New Buildings InstituteGetting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings (March 2012)
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OtherCertifiedSilverGoldPlatinum Source: DBIA Project Database
Average Cost: $334/SFRSF Cost: $259/SF
Cos
t per
Squ
are
Foot
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Images courtesy of Architectural Nexus
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Image
Image courtesy of GSA, Beck Group and Westlake Reed Leskosky
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New Buildings InstituteEnergy Performance of LEED for New Construction Buildings (March 2008)
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Goal Setting
Design for Operations
Contractual Performance
Feedback Loop
The Handoff
Manage Plug Loads
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I want a green building
Design a LEED <rating> building
Design a building to use 30% less energy than ASHRAE 90.1-2004
Design a building to use less than 25,000 BTU/sqft
Design a net zero energy building
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Safety
LEED Platinum
Energy Star
1. Mission Critical
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2. Highly Desirable800 staff Capacity
25kBTU/sf/year
Architectural integrity
Honor future staff needs
Measurable ASHRAE 90.1
Support culture and amenities
Expandable building
Ergonomics
Flexible workspace
Support future technologies
“How to” manual
Real-time PR” campaign
Secure collaboration with outsiders
Building information modeling
Substantial Completion by 2010
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3. If PossibleNet zero design approach
Most energy efficient building in the world
LEED Platinum Plus
ASHRAE 90.1 + 50%
Visual displays of current energy efficiency
Support public tours
National and global recognition and awards
Support personnel turnover
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Compliance Modeling (Percent better than ASHRAE 90.1)
Predictive Modeling(Absolute energy target)
VERSUS
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COMPETITION DESIGN CONSTRUCTION OPERATIONS
CHARRETTE MODEL AS-DESIGNED MODEL
LEED MODEL + BASELINE AS-BUILT MODEL
OPERATIONS MODEL
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Net Zero Energy Building (After PV):
Site ZEB
0kBtu/SF/year
Source ZEB
-20kBtu/SF/year
Emissions ZEB
-5LB CO2e/SF/year
BClassification
BClassification
BClassification
2030 Baseline
137kBtu/SF/year
LEED Baseline
55kBtu/SF/year
Design/Actual
35kBtu/SF/year
Energy Use Intensity:
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Operators Occupants
Executives IT Managers
Food Service HR Managers
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First day of Net zero – June 23, 2011
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Innovation for Our Energy Future
Measured Versus Modeled Monthly and Cumulative EUI
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Innovation for Our Energy Future
October 2010 – September 2011 Lighting Power Density
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Innovation for Our Energy Future
October 2010 – September 2011 Plug Load Power Density
Note: The elevators are included in the plug loads
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Innovation for Our Energy Future
October 2010 – September 2011 Daily Heating Energy
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Innovation for Our Energy Future
2011 YTD Daily Cooling Energy
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Innovation for Our Energy Future
October 2010 – September 2011 Mechanical System Power Density
Note: The mechanical load is comprised of only fans and pumps
Note: Control of the VFDs was optimized in late October 2010, resulting in energy savings
Note: Control of the dampers was optimized in April 2011, resulting in energy savings
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Coordinate with O&M Plan
Coordinate with Commissioning
Analyze and Report Energy Data
Plan Energy Information System
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Educate and Train Occupants
Manage Plug and Process Loads
Celebrate Success!
Plan for Future Changes
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SAVE A SEAT FOR
YOUR DESIGN-BUILD TEAM?
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