LEEDAnd Green Building Overview13 November 2007

Tom Hootman, AIA, LEED APPresident, Chair, USGBC ColoradoDirector of Sustainability, RNL

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U.S. Building Impacts:

12%Water Use

30%GreenhouseGas Emissions

65%WasteOutput

70%ElectricityConsumption

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Average Savings of Green Buildings

ENERGYSAVINGS

30%

CARBONSAVINGS

35%

WATERUSE

SAVINGS30-50%

WASTECOST

SAVINGS50-90%

Source:Capital E

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The Triple Bottom Line

ENVI

RO

NM

ENT

ECONOMICSPEOPLE

Reduced Environmental Impact.Peak Efficiency.Improved Capitalization Rates.Increased Marketability.Higher Lease Rates.Improved Productivity.Reduced Absenteeism.

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ImprovedBottom Line.

30-70% ENERGY SAVINGS

VERIFIEDPERFORMANCE

ENHANCEDPRODUCTIVITY

REDUCEDLIABILITY &IMPROVED

RISKMANAGEMENT

INCREASEDVALUE

USGBC

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USGBCUSGBC

Architects

BuildingOwners

Planners

Federal,Local,and State Governments

UtilityManagers

Nonprofit Leaders

Engineers

BuildingTenants

PropertyManagers

ProductManufacturers

InteriorDesigners

CodeOfficials

LandscapeArchitects

FinancialPlanners

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Who are we?

USGBC is a coalition of the country’s foremost leaders from across the building industry. We promote buildings that are:

1. Environmentally Responsible

2. Economically Profitable

3. Healthy Places to Live and Work

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What is the LEED System?

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

EnvironmentalAir Quality

6. Innovation &Design Process

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Levels of LEED Ratings

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

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Categories of LEED Ratings LEED

LEED

LEED

LEED

LEED

LEED

LEED

for NewConstruction

for CommercialInteriors

for ExistingBuildings

for Core &Shell

for Homes

for NeighborhoodDevelopment

for Schools

HealthcareLaboratoriesRetailMulti-building CampusesMulti-family Residential

NEWPROGRAMS

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1,004LEED Certified

Projects

7,800+LEED Registered Projects

LEED projects totals:As of September 2007

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41LEED Certified

Projects

215+LEED Registered Projects

LEED projects in Colorado totals:As of 8/29/2007

Additional construction costs

“Cost of Green Revisited”Davis Langdon, July 2007

“there is no significant difference in average cost for green buildings as compared to non-green buildings.”

Costs and Benefits of LEED-NC in ColoradoGovernor’s Office of Energy, March 2007

Soft Costs: 0.8% / $1/SF

LEED Cost Premium: 1% to 6%

Net Present Valueof Predicted EnergySavings: $2 to $10/SF

LEED Silver

37%energy savings

44%water savings

58%waste divertedfrom landfill

Case StudyColorado Springs Utilities Water Testing Laboratory

Colorado Springs Utilitiesowner

Lab48,000 sq ft