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E D S G N 1 0 0 S E C T I O N 0 0 6T E A M 8
SUSTAINABLE LIVING
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TABLE OF CONTENTS
Title Page...1
Summary....3
Introduction: Home and System Specifications.4
Location......................................................................................................................5
Community....6
Analysis: The DesignProcess.7
BuildingMaterials..8
RoomLayout..11
WaterSystem.14
Waste WaterSystem.17
AlternativeEnergy20
Energy: Heating and Cooling........................................23Conclusion: The Solution.26
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Problem:
To design a house that issustainable economically,environmentally, and socially.
Solution:
A one family house (1800 squarefeet), located in Boulder,Colorado with two floors and abasement.
Systems Used:
Water: Filtered and ChlorinatedGround Water
Waste Water: Aerobic SepticTank
Energy:
Heating and Cooling: GroundSource Heat Pump
Water Heating: Photovoltaics
SUMMARY
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INTRODUCTION
HOME AND SYSTEM SPECIF ICAT I ONS
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U R B A N S E T T I N G
LOCATION: BOULDER, COLORADO
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T O W N O N T H E O U T S K I R T S O F B O U L D E R , C O L O R A D O
COMMUNITY
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ANALYSIS
THE DES IGN PROCESS
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BUILDING MATERIALS
Specifications
As tight as possible
Sustainable
Cost effective
Withstanding of allweather
Ideas
1. Adobe
2. Rammed Earth
3. Straw Bale
4. RecycledNewspaper
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BUILDING MATERIALS CRITERIA
-Cost
-Instillation
-Longevity
-Easy to Maintain
-Durable
Straw Bale
AestheticallyPleasing
Easiest to Install
Most Efficient inHeating and
Cooling Durable
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S T R A W B A L E
BUILDING MATERIALS
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ROOM LAYOUT
Specifications
Facilitate mobilitythroughout the
house
Energy Efficient
Ideas
1. Closed
2. Open
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ROOM LAYOUT CRITERIA
-Easy to get around
-Energy Efficient
Open Layout
Less buildingmaterials
More energyefficient
Dont have to heat
up each roomseparately
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O P E N
ROOM LAYOUT
More energy efficient
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WATER SYSTEM
Specifications
Make water moreacceptable for desiredend-use Drinking Appliances
Washer/Dryer Toilet Sink Shower/Bath
Ideas
Disinfectant1. Chlorination
2. Ozonation3. Ultraviolet Radiation
Source1. Surface Water2. Ground Water
Systems1. Reverse Osmosis
2. Filtration and Disinfection3. Boiling4. Bottled Water5. Water Softener
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WATER SYSTEM CRITERIA
-Cost
-Effectiveness
-Ease of Use
-Availability
-Maintenance
Chlorination and Filtration
Most inexpensive
One of the most
effective methods
Does not requireelectricity to run
Little maintenancenecessary
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C H L O R I N A T E D A N D F I L T E R E D S U R F A C E W A T E R
WATER TREATMENT
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WASTE WATER SYSTEM
Specifications
Removal ofBlack/Grey Water
Cost Effective
Highly Efficient
Easy Maintenance
Ideas
1. Anaerobic SepticTank
2. High EfficiencyAnaerobic SepticTank
3. Aerobic SepticTank
4. Sand Filter
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WASTE WATER SYSTEM CRITERIA
- Short term cost
- Long term cost- Efficiency
- Maintenance
- Ease of use- Durability
Cost: $7,000
Sprinkler system Needs less space
than other tanks
Aerobic Septic System
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A E R O B I C S E P T I C T A N K
WASTE WATER
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APPLIANCES
20 60W Fluorescent Light Bulbs
10 25W Fluorescent Light Bulbs
2 Television sets
Dishwasher
Washer/Dryer
Fridge/Freezer
Water Heater Low-flow Shower Heads (1.5gpm), Temp. 1050F
Run Time: 45 minutes
Thermostat Average Temperature 700
Heat Exchanger in vents
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ALTERNATIVE ENERGY
Specifications
Ability to produceenergy
As close to zero-energy as possible
Self-sustaining
Potentially sellingback to the grid
Ideas
1. Solar WaterHeating Panels
2. Wind Energy
3. Photovoltaics
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ALTERNATIVE ENERGY CRITERIA
-Cost
-Durability
-Return on Investment
-Ease of Use
-Transportation
-Installation
Photovoltaics
Cheapest Option
Long Term Profit
Minimal InvestmentUpfront
Easier Installation
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CALCULATIONS
Energy Audit 13000 kWh/year Cost from grid $0.092/kWH
Since there are 8760 hours in a standard year Cost per year $1,196.00
Power Needed 1.5kW System Durability 20 years
Sunshine in CO 6hr Net profit $11,328
Power in this time 6kW Net yearly profit $630
Spec 600 sq.ft.
South facing on roof 520 sq. ft.
Mounting on roof allows us to expad that area
Cost of inverter+PV $3/W
Cost of Power 18,000.00State Subsidy (3,600.00)
Federal Subsidy (4,200.00)
Total Cost 10,200.00
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P H O T O V O L T A I C S
ENERGY GENERATION
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ENERGY: HEATING AND COOLING
Specifications
Balance heat loss inthe winter
Counter the heatgain in the summer
Efficiency
Easy to Maintain
Ideas
1. Ground SourceHeat Pump
2. Air Source HeatPump
3. Woodstove/Air
Conditioner
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ENERGY: HEATING AND COOLING
CRITERIA
-Cost
-Efficiency
-Instillation
-Maintenance
Ground Source Heat
Pump
Provides heating
and cooling in one Less energy=less
pollution
Very Efficient
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G R O U N D S O U R C E H E A T P U M P
ENERGY-HEATING AND COOLING
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CONCLUSION
THE SOLUT ION
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8 0 0 S Q U A R E F E E T
HOME LAYOUT: SECOND FLOOR
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6 0 0 S Q U A R E F E E T
HOME LAYOUT: FIRST FLOOR
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4 0 0 S Q U A R E F E E T
HOME LAYOUT: BASEMENT
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SYSTEMS CONNECTION
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