bali dream
DESCRIPTION
Sustainability, Buildings, and the Built Environment Spring 2014. Bali Dream. Gde Putra Paean Lee Lilith Shoemaker Loida Vasquez. Design Team. Gde Putra ~ Sketchup Artist Visionary Lilith Shoemaker ~ Water & Waste Specialist Loida Vasquez ~ Solar Energy Master - PowerPoint PPT PresentationTRANSCRIPT
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Bali DreamGde PutraPaean LeeLilith ShoemakerLoida Vasquez
Sustainability, Buildings, and the Built Environment
Spring 2014
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Design Team Gde Putra ~ Sketchup Artist Visionary
Lilith Shoemaker ~ Water & Waste Specialist
Loida Vasquez ~ Solar Energy Master
Paean Lee ~ Napkin Drawing Inspiration
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Mission Environmental ~ Natural Building
Social ~ Vastu Principles
Financial ~ Cost Benefit
Self Sustaining
LEED (Leadership in Energy and Environmental Design) Guidelines
Family of 4
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Map & Climate
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Top View
34 ft.
50 ft.
14 ft.
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Front View
Candi Bentar ~ Tower Gate
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Southeast View
Shading Trees
Longan
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West View
Family Pavillion
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North View
Solar Panels
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Northwest View
Upper Ventilation Windows
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Roof Design
Create Maximum Circulation
Hot AirHot Air
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Inner North Wall
Ventilation
Cool Air Cool Air
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Inner Walls
Entrance
Meditation Room
KitchenDining Room
Master Bedroom
Living Room
Children’s Bedroom
Office Space
Courtyard
Vastu Room Placements
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Inner Entrance
Bamboo Partition
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$7000$2300$0$1000$3000$50$500$2200
Adobe Walls Clay Roof Tiles Stone Foundation Authentic Wood Windows Parquet Wood Flooring Bamboo Entrance Wood Solar Pavillion Man power
Building Materials
Total: $16050= $13.88 per ft2
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Water Logic
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Water holding Options Purchased Cistern: $23,000
Site-made Fiber reinforced concrete: $3000 + Labor
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Water Storage
Cistern Pump
Pressure Tank PEX System(manifold)
50 gal Water TankSubmersible Pump
Septic
Garden Outlet
Toilet Outlet
KitchenShower & Sink
Laundry
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Off-Gridish
Solar Power System
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kWh/m^2/day Denpasar, Indonesia
Jan Feb Mar April May June
4.84 4.96 5.36 5.33 5.14 4.80July Aug Sep Oct Nov Dev
4.74 5.27 5.88 6.10 5.57 5.18
Solar Irradiance
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1. 1000 kWh per month needed2. Chose lowest productive month3. 4.84 kWh X 31 days = 150 kWh/month4. 1000 kWh/150 kWh (per panel) = 6.66 panels or
7 panels5. Increase to 8 panels for good measure
Solar Panel Array
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If each panel outputs 250 watts, then… 250w X 8 panels = 2000 total watts If we choose a 24 V charge controller, then… 2000w/24V = 83.33 or 90 amps 100 amp charge controller needed
Charge Controller
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1000 kWh/30 days = 33 kWh X 3 = 99 kWh
99 kWh = 99,000 wh99,000wh/24V = 4,125 AHWe need (4) 24V, 1100 AH forklift batteries
Battery Bank3 day back-up
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Hourly Watt Usage
Peek Hour Wattage Use
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The maximum load at any given time is 3,500 watts
An inverter has a 95% efficiencyTherefore, 3,700 watts must be fed into
the inverter in order for a 3,500-w output because 3,500/.95 = 3,685-w
(2) 2,500 watt inverters = 5,000 watts
DC to AC Inverter
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8 (250-w) solar panels @ $1.50/watt = $3,000 1 (100 A) charge controller = $300 4 (1,100 AH) forklift batteries = $ 14,000 2 (2,500-w) Inverters = $3,000 Accessories (cables) = $ 4,000 Total Estimated Cost = $24,300 (40yr payoff) Estimated Cost Grid-Tied = $10,000 (17yr
payoff)
Estimated Expense
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Cost Analysis
Item Bali Dream ConventionalBuilding $16,050 $40,000Solar $24,300
($10,000)$0
Water $3,000 (23,000) $0Total $43,350 $40,000
Yearly Water $0 $120Yearly Electricity $0 $600ROI 5 years
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“Naturalness is the basis of effectiveness.” ~ Maharishi Mahesh Yogi
Thank you!