10 Affordable Solutions for Certified Green HomesSteve Bertasso, CGPSenior Associate, TrueNorth Development
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HIGH PERFORMANCE HOMES WHAT ABOUT THE COST
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EVOLUTION OF HOMEBUILDINGNEW BECOMES NEW AGAIN...
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CONSUMERS WANTS VS. WALLETS$30K EYES VS. 15K WALLET
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CAN HOUSING ACCOMPLISH BOTH GOALS?
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Traditional Approach
Non-cost/Savings items are valued at $0
Cost items are over-valued to cover unknowns
Result: Over-state costs that do not create value in the eyes of consumers
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Proposed Approach
Determine true value of all improvement ideas regardless of how small the savings
Add affordable, correctly valued features (offset by your savings)
Result: Net-Zero cost sustainable homes
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Green
vs.
Sustainable
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10 SUSTAINABLE
SOLUTIONS FOR HOUSING
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#1 REDUCE WASTE - SPECIFICALLY DUMPSTERS
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WASTE DESTINED FOR THE DUMPSTER...IF IT ISN’T NEEDED, IT WILL LIKELY BE WASTED.
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SUSTAINABLE SOLUTIONS FOR HOUSING10
502.1 A knowledgeable team & mission statement
605.1 Construction waste management plan posted at the jobsite & implemented with a goal of recycling a min of 50% of construction and land-clearing waste
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#1 - Green Features*
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#2 FRAMING SYSTEMS - ADVANCED TECHNIQUES
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SAVE TIME & MONEYADVANCED TECHNIQUES MAINTAIN VALUE AND IMPROVE EFFICIENCY
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#2 - Green Features*601.2 Structural systems/advanced framing techniques optimize material usage
601.5 Precut/preassembled components, panelized, or precast assemblies are utilized for a minimum of 90% of that construction
607.1 Products containing fewer materials are used to achieve the same end-use requirements as conventional products
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#3 EXISTING VEGETATION & LOT PROTECTION
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#3 - Green Features*503.1 Natural resources on the building site are conserved by one or more of the following:
503.1(1) A natural resources inventory
503.1(4) Basic training natural resource protection for the on-site supervisor.
503.3 Soil disturbance and erosion are minimized
504.1 On-site supervision provided during clearing, grading, paving, & utility installation to ensure specified green practices are followed.
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#3 - Green Features*504.2 Trees and Vegetation. Designated trees and vegetation are preserved
504.3 Soil disturbance and Erosion
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#4 DESIGN PLANS TO REDUCE MATERIAL USAGE & ERRORS
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PLAN ERRORS ABOUNDDESIGN ERRORS, LACK OF DETAIL, FIELD CHANGES,
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MORE OPPORTUNITIES FOR IMPROVEMENT
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SUSTAINABLE SOLUTIONS FOR HOUSING10
601.1 Conditioned floor area
601.3 Building Dimensions/layouts designed to reduce material cuts & waste
601.4 Detailed framing/structural plans, material lists, on-site cut lists for framing/structural materials
601.6 Stories above grade are stacked
602.12 Flashing details on plans & installed
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#4 - Green Features*
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#5 SUSTAINABLE MARKETING - SHARE & SHOW
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SAVE TIME & MONEYADVANCED TECHNIQUES MAINTAIN VALUE AND IMPROVE EFFICIENCY
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SUSTAINABLE SOLUTIONS FOR HOUSING10
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#5 - Green Features*
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#6 SUSTAINABLE MATERIALS
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SUSTAINABLE SOLUTIONS FOR HOUSING10
601.7 Building materials/assemblies do not require additional site applied material for finishing
604.1.2 Building materials w/ recycled content are used
606.1 Biobased products are used
606.3 Materials used for major components are manufactured using a min. of 33% of the primary manufacturing process energy from renewable sources, combustible waste sources, or renewable energy credits
901.4(5) Composite wood or agrifiber panels w/ no urea-formaldehyde
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#6 - Green Features*
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#7 ENERGY EFFICIENCY - INCREASED VALUE WITH SHORT PAYBACK
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SUSTAINABLE SOLUTIONS FOR HOUSING10
704.2.1(2) 50% percent of the total hard-wired lighting fixtures qualify as ENERGY STAR®
704.2.3 Occupancy sensors are installed on indoor lights, and photo or motion sensors are installed on outdoor lights to control lighting.
704.2.5(2) ENERGY STAR® dishwasher installed
704.4.5 Return ducts/transfer grilles in all rooms w/ a door except baths, kitchens, closets, pantries, & laundry
705.1(1) programmable communicating thermostat
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#7 - Green Features*
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#8 AIR SEAL PACKAGE - PLUG THE HOLES
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SUSTAINABLE SOLUTIONS FOR HOUSING10
702.2(1) A documented analysis shows performance in excess of IECC by at least 15%
901.3 Garages are in accordance with the following:
901.3(1)(a) Door between garage & conditioned space is tightly-sealed and gasketed
901.3(1)(b) A continuous air barrier is provided between walls & ceilings separating the garage from living spaces
902.6 The living space is sealed to prevent unwanted contaminants
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#8 - Green Features*
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#9 WATER CONSERVATION
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SUSTAINABLE SOLUTIONS FOR HOUSING10
801.2(1) Energy Star or equivalent water conserving dishwashers
801.4(1) The total showerhead flow rate in each shower compartment is 2.0 - 2.5 gpm
801.5.1(1) Water-efficient lavatory faucets with 1.5 gpm
801.6 & 802.2(4) All water closets are 1.28 gpf
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#9 - Green Features*
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SUSTAINABLE SOLUTIONS FOR HOUSING10
#10 HOMEOWNER EDUCATION
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SUSTAINABLE SOLUTIONS FOR HOUSING10
1001.1 A building owner’s manual is provided
1002.1 Owners/occupants are familiarized with the green building practices implemented & the impact of occupants’ activities on costs of operating the building
*BASED ON THE NATIONAL GREEN BUILDING STANDARD ICC700
#10 - Green Features*
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Cost Breakdown
#1 - Waste: Cost of 1 Dumpster $300
#2 - Framing Techniques: 1000 BF $300*
#3 - Tree & Lot Protection: $ 0
#4 - Plan Design: Improve Efficiency $500
#5 - Sustainable Marketing: $150
#6 - Sustainable Materials: $150
*BASED ON RANDOM LENGTH COMPOSITE SEPTEMBER 9, 2011
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Cost Breakdown
#7 - Energy Efficiency: Fixtures <$400>
#8 - Air Seal Package: <$550>
#9 - Water Conservation: <$150>
#10 - Homeowner Education: $ 0
Total Savings: $300
*RANDOM LENGTH COMPOSITE SEPTEMBER 9, 2011
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HOW DID WE DO?
TOTAL POINTS: 234
STILL NEED TO MEET:MANDATORY
REQUIREMENTS14 PTS INDOOR
ENVIRONMENTAL QUALITY
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Questions?
STEVE BERTASSO, SENIOR ASSOCIATE
OR,
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