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High Performance Design in Oregon, Two Regional Case Studies

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Lessons from the Unitarian
Universalist Fellowship of Central
Oregon

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High Performance Design in Oregon, Two Regional Case Studies

  1. 1. High Performance Design in Oregon, Two Regional Case Studies AFE 2.0 December 7, 2016
  2. 2. Presentation Agenda Unitarian Universalist Fellowship of Central Oregon – Bend, OR 2:00 -3:00 pm Presentation by Jonah Cohen (Hacker) Marc Brune (PAE), including brief audience Q&A Cowhorn Vineyard – Jacksonville, OR 3:00 – 4:00 pm Presentation by Erica Dunn and Alex Boetzel (Green Hammer) including brief audience Q&A Panel Discussion and audience Q&A with both presentation teams 4:00 – 4:30 pm Networking and Reception 4:30 – 5:00 pm
  3. 3. High-Performance Design in Oregon Lessons from the Unitarian Universalist Fellowship of Central Oregon December 7, 2016 Jonah Cohen
  4. 4. Unitarian Universalist Fellowship of Central Oregon Design Team • Architect: Hacker • Landscape Architect: Walker Macy • Structural: Walker Engineering • MEP/Lighting: PAE/Luma • Sustainability: Vidas Architecture • Acoustics: Listen • Inter. Furnishings: Deca/Steele Assoc. • Civil: D'agostino, Parker • Owner’s Rep Marino Consulting
  5. 5. Sustainable adjective sus·tain·able sə-ˈstā-nə-bəl Simple Definition Able to be used without being completely used up or destroyed Involving methods that do not completely use up or destroy natural resources Able to last or continue for a long time
  6. 6. Unitarian Universalist Principles 1st Principle: The inherent worth and dignity of every person 2nd Principle: Justice, equity and compassion in human relations 3rd Principle: Acceptance of one another and encouragement to spiritual growth in our congregations 4th Principle: A free and responsible search for truth and meaning; 5th Principle: The right of conscience and the use of the democratic process within our congregations and in society at large 6th Principle: The goal of world community with peace, liberty, and justice for all 7th Principle: Respect for the interdependent web of all existence of which we are a part.
  7. 7. Unitarian Universalist Principles 1st Principle: The inherent worth and dignity of every person 2nd Principle: Justice, equity and compassion in human relations 3rd Principle: Acceptance of one another and encouragement to spiritual growth in our congregations 4th Principle: A free and responsible search for truth and meaning; 5th Principle: The right of conscience and the use of the democratic process within our congregations and in society at large 6th Principle: The goal of world community with peace, liberty, and justice for all 7th Principle: Respect for the interdependent web of all existence of which we are a part. 8th Principle: Unitarians employ very unique Principles of Democracy and Universal Consensus
  8. 8. ASPIRATIONS OF OUR NEW HOME • Warm, Inviting, and Welcoming • Nourishes our Spirituality • Supports Connections Within Our Congregation • Encourages Life Long Discovery, Curiosity, and Creativity • Respectful of and Connected to Nature • Imbued with Natural Light and Fresh Air • Exemplar of Meaningful Sustainability • Gracefully Adapts to Our Growth • Enduring and Easy to Maintain • Highly Functional and Universally Accessible • Maximizes Value within our Resources • Serves Our Greater Community • Reflects Unitarian Universalist Principles
  9. 9.
  10. 10. Unitarian Universalist Fellowship of Central Oregon Sustainability Concepts and Applications December 7, 2016 Presented to Energy Trust of Oregon by Marc Brune, PE, Associate Principal
  11. 11. Holistic Approach to Passive Design Six Steps
  12. 12. Set Inspiring Goals Net Zero Ready – BHAG: Big Harry Audacious Goal 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00 Average Building (Energystar Target Finder 50) Likely Code Building Energy Star Architecture 2030 Net Zero with 50% Roof Coverage Net Zero EUI Arch 2030 EUI Energy Star EUI Benchmark EUI Regional Average Electricity Usage Natural Gas Usage $13,000/yr $11,000/yr $9,000/yr $5,000/yr
  13. 13. Analyze the Climate Typical Building No Heating or Cooling Zone Cold Winter Design: ~5F Summer Design: ~93F
  14. 14. Analyze the Climate Optimizing Passive Solar
  15. 15. Analyze the Climate Optimizing Passive Solar
  16. 16. Analyze the Climate Optimizing Passive Solar
  17. 17. Analyze the Climate Optimizing Passive Solar
  18. 18. Analyze the Climate Optimizing Passive Solar
  19. 19. Analyze the Climate Optimizing Passive Solar
  20. 20. Loads = Peak Power Requirement on worst day. Think acceleration power. Loads vs. Energy Use Energy Use = Energy consumed over the whole year Think of spending on gasoline.
  21. 21. Energy use will follow naturally
  22. 22. Typical Design Condition
  23. 23. Typical Design Condition
  24. 24. Reduce Loads Summer Shading
  25. 25. Reduce Loads Mass Walls
  26. 26. Reduce Loads Thermal Mass
  27. 27. Reduce Loads Thermal Mass 76 74 72 70 68 66 64 62 60 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Daily Temperature Swing ZoneAirTemperature
  28. 28. Reduce Loads Rules of Thumb: - 2x Floor Area - 3” Deep Daily temperature profile applied to top surface 1’ thick simulated concrete slab
  29. 29. Reduce Loads Lighting Incandescent Compact Fluorescent LED
  30. 30. Reduce Loads Lighting 0 0.5 1 1.5 2 2.5 3 1980 1985 1990 1995 2000 2005 2010 2015 2020 w/sf UUFCO ~0.6 W/SF 1985
  31. 31. Reduce Load & Energy Use Envelope Building Element Parameter 2010 Oregon Energy Code Proposed Building Percent Better than Code Roof Type Attic Insulation above roof 46%Minimum Insulation R-21 R-38 Maximum U-Value 0.048 0.026 Walls Type Lightweight 42%Minimum Insulation R-13 + R-3.8ci Maximum U-Value 0.064 Vertical Glazing Type Non-metal framing 0%U-Value 0.46 0.46 SGHC 0.4 0.4 Slab On Grade Heated Heated R-15 for 24” R-15 for 24”
  32. 32. Choose Efficient Systems Variable Speed Air Source Heat Pump
  33. 33. Choose Efficient Systems Heat Recovery
  34. 34. Choose Efficient Systems Heat Recovery
  35. 35. Reduce Loads Thermal Comfort
  36. 36. Phase Changing Materials
  37. 37. Choose Efficient Systems
  38. 38. Choose Efficient Systems Radiant Heating / Cooling Floor
  39. 39. Anticipated Energy Use Energy Results $19,000 annual energy cost savings from code baseline
  40. 40. Actual Energy Use 0 5 10 15 20 25 30 Oct-16 Nov-16 Dec-16 Jan-17 Feb-17 Mar-17 Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 TOTALENERGY(KBTU/SF) Electricity Gas Modeled Electricity Modeled Gas
  41. 41. Actual Energy Use 0 5 10 15 20 25 30 Oct-16 Nov-16 Dec-16 Jan-17 Feb-17 Mar-17 Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 TOTALENERGY(KBTU/SF) Electricity Gas Modeled Electricity Modeled Gas
  42. 42. Integrate Renewables Solar Energy, Rain, Geothermal and Wind
  43. 43. Integrate Renewables Commercial Building: NZE Site EUI (kBtu/ft2/yr) 29 27 25 23 21 18 16 14 12 Assumptions: • 50% of Roof area available for PV • 20% Efficient PV panels • 2 floor Credit: Marjorie Schott/Shanti Pless/ Paul Torcellini NREL
  44. 44. Integrate Renewables Dollars per PV-Watt $0 $2 $4 $6 $8 $10 $12 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 $/PV-WattInstalledCost
  45. 45. Integrate Renewables
  46. 46. Integrate Renewables Energy Form Source Energy Conversion Factor ( r ) Imported Electricity 3.15 Exported Renewable Electricity 3.15 Natural Gas 1.09 Fuel Oil (1,2,4,5,6, Diesel, Kerosene) 1.19 Propane & Liquid Propane 1.15 Steam 1.45 Hot Water 1.35 Chilled Water 1.04 Coal or Other 1.05
  47. 47. Integrate Renewables ~80 kW PV array needed for zero energy operation 4,300 SF
  48. 48. Creating a better environment Marc Brune PE Associate Principal marc.brune@pae-engineers.com 503–226–2921 522 SW 5th Ave, Suite 1500 Portland, OR 97204
  49. 49. Questions?
  50. 50. AFE 2.0 | High Performance Design in Oregon COWHORN VINEYARD AND GARDEN TASTING ROOM
  51. 51. COWHORN VINEYARD + GARDEN
  52. 52. DESIGN
  53. 53. DESIGN
  54. 54. DESIGN
  55. 55. DESIGN
  56. 56. DESIGN
  57. 57. DESIGN
  58. 58. SUSTAINABLE STRATEGIES Path to Net Zero
  59. 59. PASSIVHAUS APPROACH Passivhaus as a Path to Net Zero
  60. 60. 1. Minimize Loads • Insulation & Airtightness • Heat-Recovery Ventilation • Exterior Shading 2. Simple, Efficient Systems • Minimized Loads allow Simple, Affordable Systems 3. Renewable Supply • Loads can be met with Sustainable Energy Grid • Net Zero within Reach (now or later) • “Winter Gap” is minimized PASSIVHAUS APPROACH Passivhaus as a Path to Net Zero
  61. 61. Invest in this… …so we can heat like this (especially when solar power isn’t there) PASSIVHAUS APPROACH
  62. 62. Envelope Investment Opportunity Residential Building Energy Use We typically have one opportunity to address 40-50% of a building’s lifetime energy use Building Component Lifespans PASSIVHAUS APPROACH
  63. 63. Benefits • Health • Comfort • Durability • Resiliency • Energy Savings PASSIVHAUS APPROACH
  64. 64. PASSIVHAUS APPROACH Impact on Design Deep walls and roof assemblies Walls = 19” R-value = 60 Roof = 28” R-value = 96
  65. 65. PASSIVHAUS APPROACH Impact on Design Breathable Envelopes in High Performance Buildings
  66. 66. PASSIVHAUS IN DETAIL Details: Thermal Bridge-Free + Airtightness
  67. 67. PASSIVHAUS IN DETAIL Details: Thermal Bridge-Free + Airtightness
  68. 68. PASSIVHAUS IN DETAIL Details: Thermal Bridge-Free + Airtightness
  69. 69. PASSIVHAUS IN DETAIL HVAC Systems for low-load buildings
  70. 70. PASSIVHAUS IN DETAIL PH Challenges during Construction New Assemblies • Mock-ups • Pre-Construction Meetings
  71. 71. PASSIVHAUS IN DETAIL PH Challenges during Construction Air-tightness • Signage • QC
  72. 72. PASSIVHAUS IN DETAIL PH Challenges during Construction Avoiding thermal bridges • Sequencing • QC and Thermal Imaging
  73. 73. PASSIVHAUS IN DETAIL Energy Model Results and Incentives • 51% Energy Savings over baseline using code-minimal heat pump • 68% Energy Savings over baseline using code allowed electric resistance
  74. 74. LIVING BUILDING CHALLENGE
  75. 75. Material Selection Process MATERIALS PETAL IN DETAIL
  76. 76. MATERIALS PETAL IN DETAIL LBC Challenges during Construction • PVC is in everything!
  77. 77. QUESTIONS

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