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ZERONET: Shops at Oak Creek

ZERONET: Shops at Oak Creek. Group Members and Areas of Focus. Zach Sawyer – Overall Project Goals Jeremy Taylor – Energy Marnie Melendez – Outdoor Water Conservation Renee Ayala – Indoor Water Conservation Andrew Flores – Indoor Environmental Quality Mika Yagi – Green Materials.

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ZERONET: Shops at Oak Creek

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  1. ZERONET: Shops at Oak Creek

  2. Group Members and Areas of Focus • Zach Sawyer – Overall Project Goals • Jeremy Taylor – Energy • Marnie Melendez – Outdoor Water Conservation • Renee Ayala – Indoor Water Conservation • Andrew Flores – Indoor Environmental Quality • Mika Yagi – Green Materials

  3. Shops at Oak Creek

  4. Project Goals • ZERO NET Building • Reduction in Energy Use • Production of Clean Energy • Integrated Use of Southern California’s Climate • Create as much Green Space as Possible • Prevent the Contamination of Runoff

  5. Energy

  6. Energy Strategies • Photovoltaic Panel (PV) & Wind Generators • Passive Solar, Insulation, & Fenestration • Solar Hot Water & Tankless Water Heater • Lighting & Appliances • Automated Systems: Timers, Dimmers, & Sensors

  7. Photovoltaic Panels (PV) & Wind Generators • Photovoltaic Panel • Abundant source of solar in microclimate • Mostly consistent source during daylight • Proposed parking sun shade structure • 12,500 SF flat roof for 2’ x 4’ • Monochrystaline PV Panels • Wind Generators • Less abundant source of wind in microclimate • Inconsistent source of power

  8. Passive Solar, Insulation, & Fenestration • Passive Solar • Deciduous Trees to shade in summer & allow heat in during winter • Over-sized Building Eves cantilevered to shade windows in summer when sun is higher & allow heat in during winter • Insulation • Recycled Denim • Air Krete Blown-In Insulation • Fenestration • Energy Efficient Windows • Natural Ventilation • Daylighting

  9. Solar Hot Water & Tankless Water Heater • Solar Hot Water • Backup Tankless Water Heater

  10. Lighting & Appliances • Efficient Lighting • Compact Fluorescents • High Flux LED’s • Energy Star Appliances • Dishwashers • Refrigeration Units • Washers • Dryers

  11. Automated Systems: Timers, Dimmers, & Sensors • Automated Systems • Timers • Dimmers • Occupancy Sensors • Light Sensors

  12. Value Return • Investment • Excess power returned to power grid • Rebates available • Return on investment in roughly (10) years

  13. Outdoor Water Conservation

  14. Climate Appropriate Native Plants California Poppy Western Redbud Ray Hartman California Lilac Coast Live Oaks Arroyo Willows

  15. Rain Capture A one inch rain on a 2,000 square foot roof conserves over 1000 gallons of free water. * Maximum Annual Gallons of Rain Capture = Annual Rainfall x Square Footage of Roof x .623 Gallons

  16. Grey Water System • The client can install a grey water system for onsite landscape water use or connect to the reclaimed water in the purple pipe. • We would recommend using a Netafim drip irrigation system using .6 gallons per hour (gph) spaced 12” on center

  17. Indoor Water Commercial Conservation Practices

  18. The food service sector uses more than its fair share of potable water, averaging 300,000 gallons a year per restaurant.

  19. Client Needs or Wishes: • Minimize the amount of water waste • Reduce water costs

  20. Recommendations for Indoor Water Conservation: • Low flow fixtures were installed in all wash basins • 2. High Efficiency Toilets were installed ( HET) in the women’s restrooms

  21. Recommendations Continued: • 3.High Efficiency Urinals ( HEU) • 4.Flight dishwashers in kitchen • 5. Low flow pre-rinse spray valves • 6. Adjust ice machine to dispense ice, based on demand

  22. Benefits of Recommendations: • Low-flow faucets • a. Delivers a constant water flow • b. Uses approximately 1.5 - 2.2 gpm • High Efficiency toilets • a. Offer high efficiency/low water consumption (1.0 gpf, 3.8 LPF)

  23. Benefits Continued: 3. HEU- Flush vol. of 0.5 4. High-Efficiency PRSV a. 137 gall. Per day ( 189.2 m3) b. 50,000 gallons / yr c. 250,000 gallons over the life of the product 5. Commercial Flight Dishwasher

  24. Flight Type Dishwasher:Medium-Size Food Service High Usage 500,000 ( gal./yr.) 30.5 ( AF/20yrs.) 25% Low Usage Annual water savings- ( gal/yr.) -65,000 Lifespan Water savings- (AF/20yrs.)=3.9Average savings=25%

  25. Areas for Water Conservation: 1. Promptly repair leaks and faucet malfunctions 2. Eliminate thawing frozen food with running water 3. Pre-soak instead of running water

  26. Value Return • Rebates available for High Efficiency Toilets and HEUs • Return investment over time • Water savings • Decrease in water bill

  27. Indoor Environmental Quality

  28. IEQ Objective • Good IEQ is crucial to the success of a retail space • Good IEQ includes good air quality, thermal comfort, visual comfort, physical comfort, physical comfort and acoustical comfort. • Our aim is to minimize indoor pollutants that acute health problems as well as distractions that cause discomfort. • Our approach incorporates green products, green materials, developing an IAQ construction plan and natural ventilation.

  29. Construction Plan

  30. Natural Ventilation

  31. Psychosocial Value of Space

  32. IEQ Checklist • Facilitate quality IEQ through good design, construction and operation and maintenance practices • Value aesthetic decisions • Provide thermal comfort • Supply adequate levels of ventilation and outside air • Prevent airborne bacteria, mold and other fungi • Avoid the use of materials high in pollutants

  33. Green Materials

  34. Factors When Selecting Materials for a Green Building Application • Performance • Service Life • Cost • Aesthetics • Availability/Delivery Schedule

  35. LCALife Cycle Assessment(ISO 14000 Environmental Management Systems) • (4) Main Phases • Goal & Scope – LCA practitioner formulates and specifies the goal and scope of study in relation to the intended application • Life Cycle Inventory – Involves data collection and modeling of the product system, as well as description and verification of data (i.e. CO2 and intermediate chemical quantities) • Life Cycle Impact Assessment – Evaluating the contribution impact categories (i.e. global warming) • Interpretation – Analysis of the major contributions, sensitivity analysis and uncertainty analysis

  36. CSIConstruction Specification Institute • Web-based format • Category Summary • Background Information • Product Details • Product Lifecycle • Additional Information • Authorization

  37. Hardie Board Plank • Composition • Fiber-cement siding – 45% cement, 45% silica sand, and 10% wood fibers • Green Material Component • Wood is not from endangered species of wood • Cement and sand is in abundance • No toxic materials used in the production • Durable; longer lifetime and less maintenance than wood or vinyl

  38. Colored Concrete • Composition • Pigment and colors added on site-cast concrete floor slabs • Green Material Component • Reduce urban heat island effect • Solar Reflectance Index (SRI) that exceeds the LEED requirement • Contributes to better indoor air quality as the need for flooring adhesives is eliminated • Durable; low-maintenance

  39. Pervious ConcretePavements • Construction • Typically 15-25% voids • Compact the sub-grade to 92-96% of the maximum density • Mixture is composed of cementitious materials, coarse aggregate and water • Green Material Component • Provides first flush pollution control • Contributes to storm water management • Allows for use of smaller capacity storm sewers • Reduces pollutant loads entering into streams, ponds, and rivers

  40. Exposed Structural Steel Systems • Composition • Low carbon steel containing manganese • Green Material Component • 93.3% Recycled steel scrap – “cradle-to-cradle” materials • Conserve raw materials and resources • Reduces travel distances for material transport • Strong, durable and adaptable

  41. Conclusion

  42. Conclusion • Energy • The site has a great opportunity for the use of Solar • Outdoor Water Conservation • Use of Rainwater and Efficient, but Native Landscaping • Indoor Water Conservation • The use of low flow fixtures and appliances

  43. Conclusion (continued) • Indoor Environmental Quality • The key is to keep materials protected from the elements and debris. • Green Materials • It’s important to stress the use of Life Cycle Cost Analysis

  44. Thank You! We would like to open the floor to any questions:

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