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Bali Dream

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

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Bali Dream

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  1. Sustainability, Buildings, and the Built Environment Spring 2014 Bali Dream Gde Putra Paean Lee Lilith Shoemaker Loida Vasquez

  2. Design Team • Gde Putra ~ Sketchup Artist Visionary • Lilith Shoemaker ~ Water & Waste Specialist • Loida Vasquez ~ Solar Energy Master • Paean Lee ~ Napkin Drawing Inspiration

  3. Mission • Environmental ~ Natural Building • Social ~ Vastu Principles • Financial ~ Cost Benefit • Self Sustaining • LEED (Leadership in Energy and Environmental Design) Guidelines • Family of 4

  4. Map & Climate

  5. Top View 50 ft. 14 ft. 34 ft.

  6. Front View CandiBentar ~ Tower Gate

  7. Southeast View Shading Trees Longan

  8. West View Family Pavillion

  9. North View Solar Panels

  10. Northwest View Upper Ventilation Windows

  11. Roof Design Create Maximum Circulation Hot Air Hot Air

  12. Inner North Wall Ventilation Cool Air Cool Air

  13. Inner Walls VastuRoom Placements Office Space Children’s Bedroom Meditation Room Living Room Courtyard Entrance Master Bedroom Dining Room Kitchen

  14. Inner Entrance Bamboo Partition

  15. Building Materials $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 Total: $16050 = $13.88 per ft2

  16. Water Logic

  17. Water holding Options • Purchased Cistern: $23,000 • Site-made Fiber reinforced concrete: $3000 + Labor

  18. Water Storage Laundry Shower & Sink Kitchen Pressure Tank PEX System (manifold) Cistern Pump Septic Toilet Outlet 50 gal Water Tank Submersible Pump Garden Outlet

  19. Solar Power System Off-Gridish

  20. Solar Irradiance kWh/m^2/day Denpasar, Indonesia

  21. Solar Panel Array • 1000 kWh per month needed • Chose lowest productive month • 4.84 kWh X 31 days = 150 kWh/month • 1000 kWh/150 kWh (per panel) = 6.66 panels or 7 panels • Increase to 8 panels for good measure

  22. Charge Controller • 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

  23. Battery Bank 3 day back-up • 1000 kWh/30 days = 33 kWh X 3 = 99 kWh • 99 kWh = 99,000 wh • 99,000wh/24V = 4,125 AH • We need (4) 24V, 1100 AH forklift batteries

  24. Hourly Watt Usage Peek Hour Wattage Use

  25. DC to AC Inverter • The maximum load at any given time is 3,500 watts • An inverter has a 95% efficiency • Therefore, 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

  26. Estimated Expense • 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)

  27. Cost Analysis

  28. “Naturalness is the basis of effectiveness.”~ Maharishi Mahesh Yogi Thank you!

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