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Detailed Program March 2011 to September 2011

Detailed Program March 2011 to September 2011 goal – allow the winery to be self-sustainable in water & energy. Best Value Competition June 2011 to January 2012. Advertisement & Prequalification 17 Teams submit Prequalification Packets, June 2011

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Detailed Program March 2011 to September 2011

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  1. Detailed Program March 2011 to September 2011 goal – allow the winery to be self-sustainable in water & energy

  2. Best Value Competition June 2011 to January 2012 • Advertisement & Prequalification • 17 Teams submit Prequalification Packets, June 2011 • Prequalification consists of required elements (pass/fail) and scoring (48 points possible) based on experience • of team and individuals • 5 Teams interviewed, August 2011 • Design Build Competition • 3 Teams selected to prepare designs and bid price • Two one-on-one sessions with each team, Nov & Dec 2011 • Bids Received • Bid date, January 2012 • Detailed evaluation with points awarded • Best value price determined

  3. Project Award March 2012

  4. Passive Design clerestory windows and shading devices

  5. Optimize Design reduce loads insulate well daylight reduce infiltration address thermal breaks passive cooling

  6. Exterior Wall 4 inch insulated wall panel over Snap-R 1 inch EPS spacer over 10 inch girt (11in batt insulation) = R-55.7 WALL

  7. Roof 6 inch insulated roof panel over 12 inch metal girt with batt insulation = R-70 ROOF

  8. Thermal Bridging specified double wall insulateddampers on all envelope penetrations provided thermal and load bearing insulation pads at structural steel connections

  9. Thermal / Energy Modeling • Challenges: • maintain building interior temperature between 50 and 80 degrees F WITHOUT the use of any active mechanical systems • net zero site energy • Software Selection: • IES vs Epro

  10. Where to Look? Infiltration Opaque Envelope Windows Net Zero Energy Building Tip: Understand building physics

  11. Infiltration construct an airtight building followed ASTM E1827-11 single point method for air tightness looking for rate less than 0.1 cfm/sf door blower test, identify leaks with smoke guns actual leakage 0.08 cfm/sf

  12. Mechanical Solution once load reduced, use night flush through one fan with thermal storage in internal concrete walls and slab Net Zero Energy Building Tip: Understand micro climate

  13. Temperature Results

  14. Temperature Results

  15. Energy Results

  16. Energy Results • If 6 months results are extrapolated to one year, Total Building Energy consumption = 3,588 kWh That is 1.44 kBtu/sq.ft-year • Modeled was 1.66kBtu/sq.ft-year Net Zero Energy Building Tip: Model accurately

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