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PERCEPTION

OVERVIEW RATIONALE USGBC LEED CONCLUSION

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REALITY

OVERVIEW RATIONALE USGBC LEED CONCLUSION

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USGBC

STEWARDthis market

transformation

OFFERexpertise

EDUCATEthe industry and

the public

FORUMfor industry

dialog

PROVIDEtools

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What is the LEED System?

OVERVIEW RATIONALE USGBC LEED CONCLUSION

LEADERSHIP inENERGY andENVIRONMENTALDESIGN

A leading-edge system for certifyingDESIGN, CONSTRUCTION, & OPERATIONSof the greenest buildings in the world

Scores are tallied for different aspects of efficiency and design in appropriate categories.

For instance, LEED assesses in detail:

1. Site Planning2. Water Management3. Energy Management4. Material Use5. Indoor Environmental Air Quality6. Innovation & Design Process

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Levels of LEED Ratings

OVERVIEW RATIONALE USGBC LEED CONCLUSION

Green Buildings worldwide are certified with a voluntary,consensus-based rating system. USGBC has four levels of LEED.

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What is green building?Design and construction practices that meet specified standards, resolving much of the negative impact of buildings on their occupants and on the environment.

SitePlanning

IndoorEnvironmentalQuality

Water

Management

MaterialUse

Energy

Sustainable Sites

Efficient Water Use

Energy & Atmosphere

Materials & Resources

IEQ

Innovation

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immediate&measurable

Increased productivity_5

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OVERVIEW RATIONALE USGBC LEED CONCLUSION

Additional Construction Costs for LEED-certified buildings

Conventional Building Cost (100%)Average for offices and schools, based on 40 buildings

Additional Cost

PLATINUM (2 buildings)

GOLD (9 buildings)

SILVER (21 buildings)

CERTIFIED (8 buildings)

6.8%

2.2%

1.9%

.66%