Green Globes for New Construction Technical Reference Manual
LEED and Green Globes: Which is For You?
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Transcript of LEED and Green Globes: Which is For You?
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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