Phoenix   Asu Stardust Ctr Green Bldg Presentation
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Phoenix Asu Stardust Ctr Green Bldg Presentation

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HUD Phoenix Energy Workshop

HUD Phoenix Energy Workshop
September 16-17, 2008

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    Phoenix   Asu Stardust Ctr Green Bldg Presentation Phoenix Asu Stardust Ctr Green Bldg Presentation Presentation Transcript

    • HUD Workshop: Energy Efficiency, Renewables, and Green Building in Housing Programs September 17, 2008 Building Greener: Materials and Methods Daniel J. Glenn Design Director ASU Stardust Center
    • The Mission Through research, educational outreach, advocacy and design innovation, the ASU Stardust Center for Affordable Homes and the Family supports organizations, neighborhoods, and professionals in their efforts to improve the growth of quality affordable homes and sustainable communities.
    • There are over 76 million residential and 5 million commercial buildings in the U.S. Collectively, these buildings consume: 65% of electricity and 37% of primary energy 25% of all water supplies and 30% of all wood & materials Collectively, these buildings generate: 35% of solid waste 36% of CO2 and 46% of SO2 emissions 19% of NOx and 10% of fine particulate emissions (LEEDs US Green Building Council)
    • Importance of Construction 5% is renewable (USGS, 2000) (USGS, 2000)
    • Frontier Forests 8,000 Years Ago Credit: Jonathan Lash (2005)
    • Frontier Forests Today Credit: Jonathan Lash (2005)
    • Rapidly Melting Sea Ice Gulf Stream Flow Has Decreased by 30%?! Credit: Jonathan Lash (2005)
    • Energy Consumption per Wall Type 300 250 200 kW h /m 2 150 100 50 0 6quot; Frame SIP 6quot; SIP 8quot; FlexCrete 8quot; Adobe 8quot; Adobe 12quot; Adobe 16quot; Heating Cooling Lighting Other Total ENERGY CONSUMPTION PER WALL TYPE
    • Greening Affordable Housing: Affordable + Sustainable Demonstration Homes Nageezi House 2005 Guadalupe House 2006
    • ASU Stardust Center 2005 Affordable + Sustainable Design/Build Project Nageezi, Navajo Nation Project Sponsors: ASU Stardust Center for Affordable Homes and the Family Navajo Housing Authority Navajo FlexCrete FlexCrete Building Systems Nageezi Chapter Cabinets Southwest Stardust Building Supplies Arizona Multibank Augustine Family
    • Advantages Ease of Use: •Lightweight – 1/5 weight of concrete •Easily shaped – sawed, drilled and shaped like wood w/ standard tools Of •Mortarless – Blocks are laid up with thin-set, not mortar. Navajo Durability: •No organic material FlexCrete •Not susceptible to termites or other pests •Non-allergenic •Highly resistant to mod and fungi Fire Resistant: •Meets ASTM E119 for four-hour rating Energy Efficient: 8” wall has an equivalent R-Value of 25 with no additional insulation Massive wall creates thermal lag for passive heating and cooling Reduces energy use by 40 to 50 percent over stick-frame construction Recycled Content: •Navajo FlexCrete is 60 percent flyash – recycled waste product from coal-burning electrical plants Locally Produced •Navajo FlexCrete is produced in Page Arizona on the Navajo Reservation by the Navajo Nation.
    • Smart Growth: Build for the Desert Guadalupe House - Affordable Green Demonstration Home
    • ASU Stardust Center 2006 Affordable + Sustainable Design/Build Project Guadalupe, Arizona Project Sponsors/Suppliers: ASU Stardust Center for Affordable Homes and the Family Guadalupe YouthBuild Navajo Housing Authority Navajo FlexCrete Southwest Tradition Log Homes Stardust Building Supplies Sticks & Structures Alter Air MirrorSeal ASU Photovoltaic Laboratory
    • Existing Residence • Incrementally-bui • Poorly constructed • Condemned
    • Community Design Workshop Group #3 Conventional scheme February 1, 2006
    • Sips Structures Southwest Traditional Log Homes Alter Air ASU Photovoltaic Laboratory Mirrorseal U of A Environmental Research Laboratory Navajo FlexCrete
    • Cool Roof: Mirrorseal reduces roof temperature to ambient air
    • 5,859 gallons of water/year Valley Rain Precipitation 1.2 1 1 0 .9 0 .9 0 .8 0 .8 0.8 0 .7 0 .6 0 .6 0 .6 0.6 0.4 0 .3 0.2 0 .1 0 .1 0
    • 150 gallons of grey water per day diverted to court yard
    • Infill Lots in Guadalupe
    • Colonia Lupita: Guadalupe Self-Help homes, 6 infill units
    • 148’ 60’ Guadalupe House 124’ 35’ Guadalupe II
    • Guadalupe II
    • Client: Chicanos Por la Causa 47 units 5.8 DU/ACRE Project: Yanche Subdivision Design Development
    • Site Plan Floor Plans Elevation Variations Street View Client: Chicanos Por la Causa Project: Yanche Subdivision Design Development 47 units 5.8 DU/ACRE
    • 47 units 5.8 DU/ACRE
    • 47 units 5.8 DU/ACRE Project: Yanche Subdivision Design Development
    • 47 units 5.8 DU/ACRE
    • Insulated Concrete Forms Insulated Concrete Forms, or ICFs, are used as a means of energy efficient construction. A typical ICF consists of highly insulative foam combined with a reinforced concrete wall. Through the combined effects of continuous R-Value, reduced air infiltration and thermal mass qualities moderating indoor temperatures, ICFs provide a superior form of wall assembly. According to the Insulated Concrete Form Association, “homes built with ICF exterior walls typically require 44% less energy to heat and 32% less energy to cool than comparable frame homes. Benefits of building with ICFs include:
    • Insulated Concrete Forms •Outstanding structural integrity, withstanding hurricane force winds and earthquakes. •Energy efficient, with significant savings on heating and cooling. •Increased comfort with more even indoor temperatures and no drafts. •Lower insurance rates. •Quieter than conventionally-built wood frame houses. •Flexibility in the design of a home. Unique characteristics like curved walls are less expensive to build into an ICF home. •Lower labor costs than frame construction. Keep in mind the price of these high-quality materials are slightly more than stick frames. •The metal, concrete and insulating foam can all be recycled.