zeronet: shops at oak creek
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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ZERONET: Shops at Oak Creek
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Group Members and Areas of FocusZach Sawyer – Overall Project GoalsJeremy Taylor – EnergyMarnie Melendez – Outdoor Water
ConservationRenee Ayala – Indoor Water ConservationAndrew Flores – Indoor Environmental
QualityMika Yagi – Green Materials
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Shops at Oak Creek
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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
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Energy
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Energy Strategies
• Photovoltaic Panel (PV) & Wind Generators
• Passive Solar, Insulation, & Fenestration
• Solar Hot Water & Tankless Water Heater
• Lighting & Appliances
• Automated Systems: Timers, Dimmers, & Sensors
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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
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Passive Solar, Insulation, & FenestrationPassive 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
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Solar Hot Water & Tankless Water Heater
Solar Hot Water
Backup Tankless Water Heater
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Lighting & Appliances
Efficient Lighting
• Compact Fluorescents• High Flux LED’s
Energy Star Appliances
• Dishwashers• Refrigeration Units• Washers• Dryers
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Automated Systems: Timers, Dimmers, & Sensors
Automated Systems
• Timers• Dimmers• Occupancy Sensors• Light Sensors
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Value Return
Investment• Excess power returned to power grid• Rebates available• Return on investment in roughly (10) years
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Outdoor Water Conservation
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Climate Appropriate Native Plants
•California Poppy
•Western Redbud
•Ray Hartman California Lilac
•Coast Live Oaks
•Arroyo Willows
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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
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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
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Indoor Water Commercial Conservation Practices
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The food service sector uses more than its fair share of potable water, averaging 300,000
gallons a year per restaurant.
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Client Needs or Wishes:
● Minimize the amount of water waste● Reduce water costs
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Recommendations for Indoor Water Conservation:
1.Low flow fixtures were installed in all wash basins2. High Efficiency Toilets were installed ( HET) in the women’s restrooms
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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
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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)
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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
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Flight Type Dishwasher:Medium-Size Food Service
Low Usage
Annual water savings-
( gal/yr.) -65,000
Lifespan Water savings-
(AF/20yrs.)=3.9
Average savings=25%
High Usage
500,000 ( gal./yr.)
30.5 ( AF/20yrs.)
25%
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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
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Value Return
● Rebates available for High Efficiency Toilets and HEUs ● Return investment over time● Water savings● Decrease in water bill
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Indoor Environmental Quality
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IEQ ObjectiveGood IEQ is crucial to the success of a retail
spaceGood 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.
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Construction Plan
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Natural Ventilation
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Psychosocial Value of Space
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IEQ ChecklistFacilitate quality IEQ through good design,
construction and operation and maintenance practices
Value aesthetic decisionsProvide thermal comfortSupply adequate levels of ventilation and
outside airPrevent airborne bacteria, mold and other
fungiAvoid the use of materials high in pollutants
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Green Materials
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Factors When Selecting Materials for a Green Building Application
• Performance
• Service Life
• Cost
• Aesthetics
• Availability/Delivery Schedule
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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
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CSIConstruction Specification Institute
• Web-based format• Category Summary
- Background Information
- Product Details- Product Lifecycle- Additional
Information- Authorization
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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
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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
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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
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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
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Conclusion
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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
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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
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Thank You!
We would like to open the floor to any
questions: