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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