Green Building 250
Resource Conservation
Ron FlaxAIA Assoc., LEED AP, RESNET, BPI
Rodwin Architecture www.rodwinarch.com
• Energy efficiency and generation
• Environmental quality (IAQ)
• Resource Conservation
What is Green Building?
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Resource Conservation - Introduction
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Resource Conservation - Introduction
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Resource Conservation - Introduction
Resource Conservation - Introduction
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Resource Conservation - Introduction
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Carbon Dioxide
Methane (25 x CO2e) Sulfur Hexafluoride
22,800 x CO2e
nitrous oxide
298 x CO2e
Residential Construction - Use of Materials
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Residential Construction - Durability and Maintenance
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Residential Construction - Durability and Maintenance
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Residential Construction - Material Use and Waste
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Residential Construction - Salvaged Materials
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CO2
In the Field - Reusable, Recyclable, Compostable
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Material Sourcing – Recycled Content
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37 gallons of water
1.3 kWh of electricity
1.5 pounds of wood
Material Sourcing – Recyclable Content
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Material Sourcing – Biologically derived
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Examining the 2006
production year for jeans
headed to the U.S. market,
Levi’s found that making
one pair of 501s required
almost 920 gallons of
water, 400 mega joules of
energy and expelled 32
kilograms of carbon
dioxide.
- 3E’s Consultants
Material Sourcing – Biologically derived – Agricultural Waste
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Conservation of Heating and Cooling Fuels
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Direct Impacts of Fuel Acquisition
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Impacts of Fuel Combustion
Water Conservation – Embedded Water
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Water - Grain Trade / Water Trade
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Water Conservation
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Waste
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Waste
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Waste
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Waste
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Waste
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Waste
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Waste
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Waste
Calculating Impact
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Making Comparisons – Location Matters
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Annual pounds of CO2 per 1000 kWh – eGRID 2004
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The Water - Energy Connection
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The Water - Energy Connection
Transparency
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Health Product Declarations
(HPD’s)
Transparency – ISO 14025 : Environmental Labels and Declarations
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•Life Cycle Analysis (LCA)
•Cradle to Grave
•Cradle to Cradle
Transparency – ISO 14025 : Environmental Labels and Declarations
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Transparency
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Transparency
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Transparency
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Transparency
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Transparency
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Transparency
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How do we measure resource conservation?
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5
Carbon Footprint by City
This
House
Recycled content
roofing
FSC-certified Bamboo
flooring
Recycled content
decking
30% Fly ash
concrete
Recycled content
countertops
Recycled content
tiles
Engineered
lumber
FSC-certified
framing
Recycled content
cellulose insulationFSC-certified cedar
siding
Cork flooring Local StoneThermally Modified
Wood Decking
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Resource Conservation
Local Wood
•Saves 12,000 gallons of
water per year
•Zero gallons per flush
(of drinking water)
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Water Conservation Interior: Greywater Systems
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Water Conservation: Exterior
Source: The Athena Institute
Recurring Embodied Energy (maintenance)
10%
Initial Embodied Energy (construction)
15%
Operating Energy
75%
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Resource Conservation: Embodied Energy and Life-Cycle Assessment
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Resource Conservation - Food