leed and green globes: which is for you?
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LEED and Green Globes: Which is For You?. Wayne Robertson, PE, LEED AP Energy Ace, Inc. LEED and Green Globes. LEED is the market leader 5,000 certified buildings worldwide 100 in Atlanta area Green Globes is the challenger 100 Certified Buildings in US Three in Atlanta area. - PowerPoint PPT PresentationTRANSCRIPT
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LEED and Green Globes:
Which is For You?
Wayne Robertson, PE, LEED APEnergy Ace, Inc.
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LEED and Green Globes
• LEED is the market leader– 5,000 certified buildings worldwide– 100 in Atlanta area
• Green Globes is the challenger– 100 Certified Buildings in US– Three in Atlanta area
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The Next Duopoly?
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Is Green Globes Relevant?
• Proposed Atlanta Sustainable Building Ordinance – LEED or Green Globes• City of Chamblee – LEED or Green Globes• Athens-Clarke County – LEED or Green Globes • Model Green Building Ordinance – LEED or Green Globes • Fifteen Veterans Affairs Medical Centers in 10 states are Green Globes• CDC Sustainable Buildings Checklist –
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Is Green Globes Relevant?
• Green Globes is now the ANSI Standard for Commercial Green Building
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What is “Green” Building?Design and construction practices that significantly reduce or eliminate
the negative impact of buildings on the environment and occupants
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Image Source: USGBC
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A Green BuildingDaylighting Reflective Roof
Reduced Parking
with priority for LEVs
Green RoofViews
Open SpaceReflective Paving with Recycled Content
Local Brick
High-EfficiencyHVAC
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Green Building Rating Systems
• Energy Star
• Leadership in Energy and Environmental Design (LEED)
• Green Globes
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Energy Star - USGBC - GBI
Energy Star for Buildings and Plants• A joint program of the U.S. EPA and
Department of Energy
Earning the Energy Star Rating• Based on actual documented energy
use
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Energy Star - USGBC - GBI
Designed to Earn the Energy Star
• A process for a project team to work toward energy efficiency goals
• Requires a building energy use simulation model• A LEED or Green Globes building may qualify for
Designed to Earn Energy Star
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Energy Star - USGBC - GBI
•US Green Building Council (USGBC)
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LEED Rating Systems
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LEED Rating Systems cont.
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Categories of LEED
• Sustainable site planning
• Safeguarding water and water efficiency
• Energy efficiency and renewable energy
• Conservation of materials and resources
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Categories of LEED cont.
• Indoor environmental quality
• Innovation in Design
• Regional Priority
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LEED Scoring
40-49 points = Certified50-59 points = Silver60-79 points = Gold80 points and above = Platinum
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How LEED Works
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GBI - Green Globes
Green Building Initiative (GBI)
Green Globes
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Green Globes Rating Systems
• Green Globes for New Construction (NC)• Green Globes for Continual
Improvement of Existing Buildings (CIEB)
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Green Globes – Emergence in the U.S.
• 100 Certified Green Globes Buildings in the U.S.
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Categories of Green Globes
Energy36%
Water10%Resources
10%
Emissions & Other Impacts
8%
Indoor Environment
20%
Project Management
5%
Site11%
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Green Globes Scoring
85-100%
70-84%
55-69%
35-54%
Green Globes Assessment and Rating System Scoring
Based on 1,000 Point System
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How Green Globes Works
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How Green Globes Works
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Green Globes Strengths
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Significant Overlap
80%-85% overlap between LEED & Green Globes credits/available points – Univ. of Minn., 2006
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Category Types Considered in Rating Building Performance
Energy Star for Buildings and
PlantsLEED-NC Green Globes
Site Selection and Development
Energy Efficiency
Water Conservation
Material and Resource Efficiency
Indoor Environmental Quality
Additional CategoriesInnovation in Design; Regional Priority
Project Management; Emissions
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Point Systems
Energy Star LEED-NC Green Globes
Levels of Certification 1 4 4
Total Points Available 100-point scale 110 1,000
Minimum Points Required for Certification 75 or higher
40 points, plus mandatory
prerequisites
35% of points applicable to the project
Point Minimums per Category? N/A No Yes*
* Anticipated beginning late 2009
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Registration and Certification Fees for New 100,000 SF Building
Energy Star for Buildings and
PlantsLEED Green Globes
Registration (Members) $0 $900 Five-Year Software Subscription:
$500
Registration (Non-Members) N/A $1,200 Same as above
Assessment and Certification (Members)
$0 $4,500 $7,000 - $15,000
Assessment and Certification (Non-Members)
Same as above $5,500 Same as above
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Recommended Reading
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Recommended Reading
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Similarities and Differences
• Both evolved from the same source— the Building Research Establishment’s Environmental Assessment Method (BREEAM)
• Ideas as to what constitutes green building are widely accepted, so both systems emphasize energy, water and resource efficiency, site ecology, indoor air quality and pollution
• Both are points-based systems used to achieve a certified rating of performance, and include four roughly equal rating levels.
• LEED involves a more complex and time consuming process, but is well-entrenched and enjoys strong brand recognition.
• Green Globes is web-based and easy to use—even for those with limited environmental design experience—and is gaining ground thanks in part to growing mainstream interest.
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LEED and Green Globes:
Which is For You? The Challenger or the
Leader?
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Which is For You?
• Conduct a LEED/Green Globes Feasibility Study
• Assess pros and cons of each system for your project; then select one (or both – why not?)
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Which is For You?
• Most Important – go forward with something green for your next project– ROI– Occupant Comfort– Environmental Sensitivity
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Questions?
Thank You!Wayne Robertson, PE, LEED AP
Energy Ace, Inc.
For More Information:energyace.com