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06.08.10 Green Framing Options

06.08.10 Green Framing Options

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    Ccse greenframingoptions-100604110716-phpapp02 Ccse greenframingoptions-100604110716-phpapp02 Presentation Transcript

    • Welcome to Green Framing Options
      Presenter: Wally Geer
      go2wallyworld@hotmail.com
    • Some Sincere Thanks to:
      The Center for Sustainable Energy
      U.S. Green Building Council, C4 Chapter
      National Association of Home Builder’s Research Center
      University College of Dublin
      MosArt Architects, Dublin
      Laura’s Painting, Ojai, CA.
      Greymar Associates, Ventura, CA.
      Sonoma State University
    • In Defense of Wood
      There is an abundant supply of vendors and subcontractors
      It has relatively few design & structural constraints
      It’s cost effective
      It’s beautiful
    • Why Chose an AlternativeFraming System ?
      Site & Structural Constraints
      Health Related Issues
      Environmental Concerns
      Energy Efficiency
      Life Cycle Value
      Fire Safety
      Competitive Advantage
    • Site & Structural Constraints
      Lack of Staging Area
      Complex topography that will not allow conventional movement of building materials
      Unique Soils of Geological Conditions
      Short Building Season
    • Health Related Issues
      Mold
      Building Material Toxins
      Specific Health Issues of the Occupants
      Healthier Families & Higher Workplace Productivity
    • Environmental Concerns
      Concerns over renewable resources
      Concerns over “Cradle to Cradle”
      or “Cradle to Grave” issues
      Concerns related
      to “Carbon Footprint”
      Concerns over material
      waste and Land Fill waste
    • Energy Efficiency
      “Tight” Building Envelope
      Passive Solar Design Benefits
      Life Cycle Energy Savings
      High Performance Building Assemblies
    • Life Cycle Value
      “Life Cycle Value”
      is the total Cost of INITIAL CONSTUCTION +
      ENERGY CONSUMPTION COSTS over the
      functional life of a building
    • Cost Comparison Construction Costs of a 50% ZEB Office Building, Kiel, Germany(Building Shell + Tenant Improvements - Converted to U.S. Dollars)
      Conventional Sustainable Difference
      Frame 48.28 53.82 11.46%
      Envelope 83.65 101.27 21.06%
      Roof 15.20 15.11 -0.58%
      Walls/Doors 12.78 12.90 0.95%
      Finishes 33.48 32.24 -3.70%
      Services 92.18 86.64 -6.01%
      Site works 7.04 7.02 -0.37%
      TOTALS 292.62 309.00 5.60%
    • Energy Savings
      Office Building Type Energy
      Conventional 25 KWH/ft2/year
      Sustainable 10 KWH/ft2/year
      Savings 15 KWH/ft2/year
      For a 250,000 Office Building, that’s a Savings of over $350,000 per year
    • Fire Safety
      Desire to have a “Fire Safe” home
      Lower Insurance Rates
      Higher resale value in “Fire Country”
    • Competitive Advantage
    • Why NOT to chose an Alternative Framing System
      Lower Initial Cost of Structural Shell Construction
      Because you can gain “LEED Credits”
      If there are limited options in your market area of suppliers or qualified subcontractors
      Because your flaky unlicensed Brother-in-Law claims he is knowledgeable of straw bale construction
    • DON’T think “Framing Systems”,THINK “Building Envelope Assemblies”
    • When evaluating Building Envelope Assemblies, consider:
      Structural System
      Adaptability of Floor & Roof Diaphragms
      Exterior Building Skin
      Interior Building Skin
      Insulation
      Adaptability of Plumbing & Electrical within the system
      Design & Structural Constraints of the Assembly
    • When comparing Options, consider
      Design & Structural Constraints
      Energy Efficiency
      Environmental Attributes
      Initial Construction Cost
      Life Cycle Value
      Fire Safety
      Adaptability of Building Skin Options
      Adaptability of Electrical & Plumbing
      Availability of Raw Materials
      Availability of Qualified Labor & Subcontractors
    • What are the Options
      Conventional Wood Framing
      FSC Certified Wood Framing
      Light Gauge Steel Framing
      Red Iron Steel Framing
      Structurally Insulated Panels (aka “SIPs”)
      Insulated Concrete Forms (aka “ICFs”)
      Timber Frame Structural Systems
      Straw Bale Construction
    • Conventional Wood Framing
      Positive Attributes:
      There is an abundant supply of vendors and subcontractors
      Relatively few design & structural constraints
      It’s cost effective
      Potential Problems:
      Rot, Mold & Termites
      Low Fire Resistance
      In consistent Quality
    • Conventional Wood FramingA Metric Analysis
    • Forest Stewardship Council (aka “FSC”)Wood Framing
      Positive Attributes:
      Relatively few design & structural constraints
      Highly Environmentally Friendly
      Potential Marketing benefit for builders & developers
      Potential Problems:
      Rot, Mold & Termites
      Low Fire Resistance
    • FSC Wood FramingA Metric Analysis
    • Light Gauge Steel Framing
    • Light Gauge Steel Framing
      Positive Attributes:
      Excellent structural characteristics
      Readily Available Material
      Highly adaptable for future alterations
      Eliminates the possibility of termite damage
      Highly Environmentally Friendly*
      Partially mitigates potential mold problems
    • Light Gauge Steel FramingPositive Structural Attributes
    • Light Gauge Steel Framing Something Old & Something New
    • Light Gauge Steel Framing
      Potential Negative Attributes :
      More costly than wood framing
      Limited number Requires an knowledgeable architectural &
      engineering team of qualified subcontractors
      Potential problems with other trades (M, P & E)
      Requires a knowledgeable architectural &
      engineering team
    • Light Gauge Steel FramingA Metric Analysis
    • Red Iron Steel Framing
    • Red Iron Steel Framing
    • Red Iron Steel Framing
    • Red Iron Steel Framing
    • Red Iron Steel Framing
    • Red Iron Steel Framing
      Positive Attributes:
      Excellent structural characteristics
      Readily Available Material
      Eliminates the possibility of termite damage
      Highly Environmentally Friendly*
      Partially mitigates potential mold problems
      Can be potentially very cost effective
    • Red Iron Steel Framing
      Potential Negative Attributes :
      Potential problems with other trades (M, P & E)
      Some Design constraints
      Potential Thermal Bridging Problems
    • Red Iron Steel FramingA Metric Analysis
    • Structurally Insulated Panels(aka “SIPs”)
    • Structurally Insulated Panels(aka “SIPs”)
    • Structurally Insulated Panels(aka “SIPs”)
    • Structurally Insulated Panels(aka “SIPs”)
    • Structurally Insulated Panels(aka “SIPs”)
    • Structurally Insulated Panels(aka “SIPs”)
      Positive Attributes:
      Excellent structural characteristics
      Highly Energy Efficient
      Highly adaptable for future alterations
      Substantially mitigates the possibility of termite damage
      Highly Environmentally Friendly*
      Substantially mitigates potential mold problems*
      Excellent Quality Control due to factory production
    • Structurally Insulated Panels(aka “SIPs”)
      Potential Negative Attributes :
      • Some Limited Design constraints
      • Potential Building Department related issues
      • Limited availability of qualified subcontractors
      • Potential problems with other trades (M, P & E)
      • Requires a knowledgeable architectural &
      engineering team
    • Structurally Insulated Panels (SIPs) A Metric Analysis
    • Insulated Concrete Forms(aka “ICFs”)
    • Insulated Concrete Forms(aka “ICFs”)
    • Insulated Concrete Forms(aka “ICFs”)
    • Insulated Concrete Forms(aka “ICFs”)
    • Insulated Concrete Forms(aka “ICFs”)
    • Insulated Concrete FormsFloor & Roof Options
      • Dimensional Lumber
      • Light Gauge Steel
      • Dietrich “Trade Ready” Joists
      • Hambro Bar Joist System
      • “Lite Deck”
    • Lite Deck
    • Insulated Concrete Forms(aka “ICFs”)
      Positive Attributes:
      • Excellent structural characteristics
      • Highly Fire Resistant
      • Highly Energy Efficient
      • Substantially mitigates the possibility of termite damage
      • Highly Environmentally Friendly*
      • Substantially mitigates potential mold problems*
      • Excellent Quality Control due to factory production
      • VERY quiet interiors
    • Insulated Concrete Forms(aka “ICFs”)
    • Insulated Concrete Forms(aka “ICFs”)
    • Insulated Concrete Forms(aka “ICFs”)
      Potential Negative Attributes :
      • Some Limited Design constraints
      • Potential Building Department related issues
      • Potential problems with other trades (M, P & E)
      • More costly than conventional wood framing, but
      with a positive payback in energy savings
      • Requires a knowledgeable architectural &
      engineering team
    • Insulated Concrete Forms (ICFs) A Metric Analysis
    • Timber Frame Structural Systems
    • Timber Frame Structural Systems
    • Timber Frame Structural Systems
    • Timber Frame Structural Systems
    • Timber Frame Structural Systems
    • Timber Frame Structural Systems
      Positive Attributes:
      • Excellent structural characteristics
      • Highly Energy Efficient*
      • Highly Environmentally Friendly*
      • Excellent Quality Control due to factory
      production
    • Timber Frame Structural Systems
      Potential Negative Attributes :
      • Some Limited Design constraints
      • Potential Building Department related issues
      • Limited availability of qualified subcontractors
      • Potential problems with other trades (M, P & E)
      • Requires a knowledgeable architectural &
      • engineering team
    • Timber Frame Structural System A Metric Analysis
    • Straw Bale
    • Straw Bale
    • Straw Bale
    • Straw Bale
    • Straw Bale
    • Straw Bale
      Positive Attributes:
      • Highly Energy Efficient
      • Highly Environmentally Friendly
      • VERY quiet interiors
      • More fire resistant than some other options
      • A fun way to build a house if you have
      20 friends that like to work for free and live
      on pizza & beer on the weekends.
    • Straw Bale
      Potential Negative Attributes :
      • Some Limited Design constraints
      • Potential Building Department related issues
      • Potential problems with other trades (M, P & E)
      • Very costly if professionally constructed
      • Requires a knowledgeable architectural &
      engineering team
    • Straw Bale A Metric Analysis
    • Why Chose an AlternativeFraming System ?
      • Site & Structural Constraints
      • Health Related Issues
      • Environmental Concerns
      • Energy Efficiency
      • Life Cycle Value
      • Fire Safety
      • Competitive Advantage
    • Environmental ConcernsWhat is Green ?
    • What is Green ?
    • What is Green ?
    • Green Certification Standards
    • Environmentally Friendly Skin Materials
      A Few Options:
      Paperless drywall
      Natural Earth Plaster
      American Clay
      Eco Stucco
    • Natural Earth Plaster
    • American Clay
    • Eco Stucco
    • Closing Comments
      There no one magic solution to any building design
      Do your homework, pick wisely
      Respect “single source vendors”, but take them with a grain of salt. After all, they have a hammer
      Appreciate that a building’s structural shell is only one working component within a synergistic whole
      Have fun & on behalf of the Center for Sustainable Energy, THANK YOU FOR BEING HERE TODAY