Green Building: Green Building: Todays Practices Todays Practices - - PowerPoint PPT Presentation

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Green Building: Green Building: Todays Practices Todays Practices - - PowerPoint PPT Presentation

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Montgomery County Planning Board 2009 Growing Smarter Speaker Series Thursday, February 12 th , 2009 Green Building: Green Building: Todays Practices Todays Practices Tomorrows Challenges Tomorrows Challenges Carl Elefante, FAIA,

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Montgomery County Planning Board 2009 Growing Smarter Speaker Series

Thursday, February 12th, 2009

Green Building: Green Building: Today’s Practices Today’s Practices Tomorrow’s Challenges Tomorrow’s Challenges

Carl Elefante, FAIA, LEED AP Carl Elefante, FAIA, LEED AP

Principal Director of Sustainable Design QUINN EVANS | ARCHITECTS

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Outline

  • Who I am
  • Today’s Green Building Marketplace
  • Current Green Building Practice
  • Emerging Green Technologies
  • Facing the Carbon Challenge
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Renewing Legacy

Ocean Hall Peabody Institute Dana Building

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The Greenest Building is …

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… One That is Already Built.

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Outline

  • Who I am
  • Today’s Green Building

“Marketplace”

  • Current Green Building Practice
  • Emerging Green Technologies
  • Facing the Carbon Challenge
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Green Building Rating Systems

LEED

USGBC

United States Green Building Council

LEED

Leadership in Energy and Environmental Design

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Green Building Rating Systems

LEED

SS SS Sustainable Sites WE WE Water Efficiency EA EA Energy & Atmosphere MR MR Materials & Resources EQ EQ Environmental Quality ID ID Innovation & Design

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Green Building Rating Systems

LEED

LEED NC v2.2 Scoring

69 total points

Platinum 52 + points Gold 39 – 51 points Silver 33 – 38 points Certified 26 – 32 points

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Green Building Rating Systems

LEED

www.packard.org

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Green Building Regulation

Maryland

High-Performance Buildings Act

LEED Silver Rating / Green Globes 2 Globes 7,500 SF

Green Buildings Tax Credits

8% Construction, 30% Fuel Cells, 25% PV’s, 20% BIPV’s, 25% Wind

Energy Administration Incentives

Bio-Fuel Tax Credits, Renewable Energy Grants, Geothermal Grants, Wind Power Grants

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Green Building Regulation

Montgomery County

Green Buildings Law

LEED Certification over 10,000 SF LEED Silver Rating for Public Buildings

Clean Energy Rewards

Clean Energy Purchase Tax Credits

Solar Tax Credits

50% Tax Credits on Solar Technologies

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Green Building Standards

Federal

ASHRAE Advanced Energy Design Guides

90.1-2004 30% better than 90.1-1999 Net-Zero Goal

US DOE Energy Efficiency & Renewable Energy

Building Energy Codes

US EPA

Energy Star

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Outline

  • Who I am
  • Today’s Green Building “Marketplace”
  • Current Green Building

Practice

  • Emerging Green Technologies
  • Facing the Carbon Challenge
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Current Green Building Practice

No-Cost Green Best-Practice Green Maximum Benefit Green

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No-Cost Green

Shielded Lighting Fixtures Water-efficient Plumbing Fixtures Occupancy & Proximity Sensors Green Materials Green Cleaning

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No-Cost Green

Transit-oriented Development Compact Mixed-use Development Climate-responsive Design Daylighting Operable Windows

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Best-Practice Green

LID Stormwater Management Rainwater Harvesting High-performance HVAC Systems Energy-efficient Lighting Technologies High-performance Building Envelopes Commissioning

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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke

Sustainable Sites

  • Dense urban site
  • Access to transit
  • Alternative transportation
  • Contamination-Free site
  • Storm water quantity and quality
  • New roofs limit heat-island effect
  • Joint use of facilities
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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke

Water Efficiency

  • Water efficient landscaping w/o irrigation
  • Water use 30% below the baseline
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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke

Energy & Atmosphere

  • Fundamental & enhanced commissioning
  • Energy use 17.5% below baseline
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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke Materials & Resources

  • Storage and collection of recyclables
  • 75% retention of the existing structure
  • 50% construction waste diverted
  • 10% new recycled materials
  • 10% new regional materials
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Greening Case Study

HD Cooke

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Greening Case Study

HD Cooke

Environmental Quality

  • Outdoor air monitoring & increased

ventilation

  • Construction IAQ
  • Low-emitting materials & pollutant source

control

  • Advanced lighting control
  • Advanced thermal control
  • Daylight & views
  • Acoustic performance
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Greening Case Study

HD Cooke

Innovation & Design

  • Green Cleaning
  • Green Arts and Crafts
  • School as teaching tool
  • Exceptional performance:

regional materials

  • Exceptional performance:

green power

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Greening Case Study

HD Cooke

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Outline

  • Who I am
  • Today’s Green Building “Marketplace”
  • Current Green Building Practice
  • Emerging Green Technologies
  • Facing the Carbon Challenge
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Maximum Benefit Green

Green Roofs Geothermal Heating & Cooling Solar Technologies

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Maximum Benefit Green

Green Roofs

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Maximum Benefit Green

Green Roofs

Costs

  • Extensive (shallow) Vegetated Roofs
  • 30 $/SF
  • 30 #/SF
  • Intensive (deep) Vegetated Roofs
  • 100 $/SF
  • 100 #/SF
  • 60-70% reduced run-off
  • +/- R10 insulation
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Maximum Benefit Green

Geothermal

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Maximum Benefit Green

Geothermal

Costs

  • save 40% energy over conventional heat

pump systems

  • save 70% energy over electric heating and

cooling systems

  • 1/2 ton heating/cooling per 250 ft well
  • 2,500 $/ton heating/cooling (about 2x

conventional heat pump system)

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Maximum Benefit Green

Solar

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Maximum Benefit Green

Solar

Costs – HD Cooke Array

  • 100+ panels on Gym Roof
  • 20+ kW maximum output
  • $ 200,000 estimated installed cost
  • $ 3,500 estimated annual energy cost

savings

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Outline

  • Who I am
  • Today’s Green Building “Marketplace”
  • Current Green Building Practice
  • Emerging Green Technologies
  • Facing the Carbon Challenge
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Hurricane Katrina

The Climate Change Imperative

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Building Impacts

Sustainable Buildings Industry Council Pogo Earth Day 1971 Walt Kelly

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“Our home planet is dangerously near a tipping point at which human-made greenhouse gases reach a level where major climate changes can proceed mostly under their own momentum.”

Tipping Point - Perspective of a Climatologist James Hansen

Climate “Tipping Point”

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The Tipping Point

CO2 Levels

Pre-industrial level 280 ppm 2007 measured level 383 ppm Tipping point 450 ppm Delta 067 ppm Current annual increase 002 ppm Years to tipping point 67/2= 34

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Climate Change Response Policy

IPCC / ICLEI / US Conference of Mayors Architecture 2030 Challenge Montgomery County Sustainability Working Group (SWG)

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Building Stock Statistics

Existing Stock by Decade Constructed

2003 Commercial Building Energy Consumption Survey U.S. Department of Energy

AREA: Non-Residential Buildings

2,000 4,000 6,000 8,000 10,000 12,000 14,000 1919 or Before 1920 to 1945 1946 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 2000 to 2003

Construction Decade Area in M illio n s SF

64,783 Million SF

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AREA: Non-Residential Buildings

2,000 4,000 6,000 8,000 10,000 12,000 14,000 1919 or Before 1920 to 1945 1946 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 2000 to 2003

Construction Decade Area in M illio n s SF

2003 Commercial Building Energy Consumption Survey U.S. Department of Energy

10,640 Million SF 16 % 16 %

Building Stock Statistics

Traditional & Historic Buildings

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AREA: Non-Residential Buildings

2,000 4,000 6,000 8,000 10,000 12,000 14,000 1919 or Before 1920 to 1945 1946 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 2000 to 2003

Construction Decade Area in M illio n s SF

2003 Commercial Building Energy Consumption Survey U.S. Department of Energy

36,250 Million SF 55 % 55 %

Building Stock Statistics

Modern-Era Buildings

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AREA: Non-Residential Buildings

2,000 4,000 6,000 8,000 10,000 12,000 14,000 1919 or Before 1920 to 1945 1946 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 2000 to 2003

Construction Decade Area in M illio n s SF

2003 Commercial Building Energy Consumption Survey U.S. Department of Energy

3,200 Million SF 5 % 5 %

1,283 Certified / 9,867 Registered 1,283 Certified / 9,867 Registered

Building Stock Statistics

LEED Buildings

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Montgomery County

Existing Stock by Period Constructed

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Montgomery County

Existing Stock by Type

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Montgomery County

Public Stock by Decade Constructed

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Montgomery County

Public Stock by Type

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AREA: Non-Residential Buildings

2,000 4,000 6,000 8,000 10,000 12,000 14,000 1919 or Before 1920 to 1945 1946 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 2000 to 2003

Construction Decade Area in M illio n s SF

28,000 Million SF 43 % 43 %

The Boom To Come – America Circa 2030 Architect Magazine, October 2006

Projected Growth to 2030

New Building Construction

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AREA: Non-Residential Buildings

2,000 4,000 6,000 8,000 10,000 12,000 14,000 1919 or Before 1920 to 1945 1946 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 2000 to 2003

Construction Decade Area in M illio n s SF

The Boom To Come – America Circa 2030 Architect Magazine, October 2006

Projected Growth to 2030

Renovation

54,000 Million SF 84 % 84 %

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Life Cycle Analysis

Environmental Impacts of Wall Assemblies

Brick & Block Precast Brick & Steel Metal Siding EIFS Brick & Wood Wood Siding PVC Siding Water Pollution Air Pollution Resources Climate Energy R Value

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Life Cycle Analysis

Environmental Impacts of Wall Assemblies

Water Pollution Air Pollution Resources Climate Energy R Value Brick & Block

Precast

Brick & Steel

Metal Sid idin ing

EIFS Brick & Wood Wood Siding PVC Siding

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Life Cycle Analysis

U.S. EPA & NIST BEES

Building for Economic and Environmental Sustainability BEFORE USE BEFORE USE Extraction Manufacture Fabrication Transportation Construction

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Life Cycle Analysis

U.S. EPA & NIST BEES

Building for Economic and Environmental Sustainability DURING USE DURING USE Operation Maintenance

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Life Cycle Analysis

U.S. EPA & NIST BEES

Building for Economic and Environmental Sustainability

AFTER USE AFTER USE AFTER USE AFTER USE Renewal Removal Re-use Disposal

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Life Cycle Impacts

Recapturing Environmental Impacts Through Improved Performance

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Life Cycle Impacts

Recapturing Environmental Impacts Through Improved Performance

Recaptures Energy in

3.5 years 3.5 years

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Life Cycle Impacts

Recapturing Environmental Impacts Through Improved Performance

Recaptures Toxic Emissions in

22 years 22 years

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E-Valuating Existing Buildings

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E-Valuating Existing Buildings

Preservation Economics

The Restoration Economy The Restoration Economy The Greatest New Growth Frontier Storm Cunningham www.restorationeconomy.com

Re-investment Driven

  • ver $1 trillion annually
  • ver $100 trillion inventory
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E-Valuating Existing Buildings

Preservation Economics

The Economics of Historic Preservation The Economics of Historic Preservation A Community Leaders Guide Donovan Rypkema www.preservationbooks.org

Minimal Material Expenditure Minimal Energy Expenditure Skill and Craft Intensive Creates Good Jobs Cycles Money Through Local Economy

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The Greenest Building is …

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… One That is Already Built.