Difference between revisions of "Water harvesting system"

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<small>return to [[As Built]]</small>
 
<small>return to [[As Built]]</small>
  
To fully understand our philosophies on water and our research into our water harvesting systems, please see our [[Natural Water System - Drainage and Harvesting]] page. This page is intended to describe the water systems as they were set up.
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To fully understand our philosophies on water and our research into our water harvesting systems, please see our [[Natural Water System - Drainage and Harvesting]] page. This page is intended to describe the water systems as they were set up. Please note that we did not pursue a gray water harvesting system. Harvested water is used for outside purposes only. Inside water comes from the City of Detroit water system.
  
  
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=== Storage / Usage ===
 
=== Storage / Usage ===
Our water harvesting plan calls for the following storage tanks:
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Our water harvesting system includes the following storage tanks:
* 500 gallon tank on the roof of the building above the 3-season room at 12 feet high.  It will act as the water supply for the front of the building and into the alley. The pressure will be approximately 20 psi (normal city water supply is in the 40 - 60psi range).
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* 500 gallon tank on the roof of the building above the 3-season room at 15 feet high above gradeThe tank is supplied by a guttering system which harvests water from the south side of the barreled roof of the main building. This tank acts as the primary water supply for the front of the building and into the alley. The pressure is approximately 6.5 psi (normal city water supply is in the 40 - 60psi range).
* A 1,200 gallon tank under the parking lot for parking lot and front garden plants.
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* A 1,200 gallon tank under the parking lot is supplied from water harvested from the front of the annex roof and the north side of the barrel roof of the main building. This water is used for watering the parking lot and front garden plants.  
* A rain barrel in the greenhouse to take care of the greenhouse plants.
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* A rain barrel in the backyard helps with the backyard and alley. It is filled by a gutter on the rear of the annex building.
* A rain barrel in the back yard to help with the back and alley.
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=== Water Distribution ===
 
=== Water Distribution ===
  
We are currently planning to move the harvested water around the site to the point of use with minimal use of power. The specific plans are: 
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We currently move the harvested water around the site to the point of use with minimal use of power.  
* Front / Parking Area / Wall Gardens - will use a hose attached to the elevated tank on the side of the front building. We estimate that there will be 20 psi of pressure available from the tank.  
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* Front / Parking Area / Wall Gardens - uses a hose attached to the tank in the parking lot of the building. We have a submersible magnetic drive pump (low energy) in the tank to assist delivery of water.
* Back yard / Alley - will be from the rooftop cistern and a rain barrel in the back yard.
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* Backyard - uses rain barrel in backyard.
* Garden Workshop / Garden Roof - the water will come from faucets connected to the rain barrels. It will go into buckets / watering cans that will be carried to where it's needed. '''(CLARIFY)'''
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* Alley - uses the rooftop cistern.
* Greenhouse - Water will be distributed from the rain barrel with watering cans or buckets.
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** Extended tubing under front yard to connect rooftop cistern and added spigot to connect hose.
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* Greenhouse & Indoor plants - are watered from the rain barrel in the backyard using watering cans.
  
=== Design Areas ===
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=== Annual Maintenance Routine ===
 
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* drainage each fall
* rooftop cistern (for front gardens, parking lot area and alley - can we use this for rooftop plants?)
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* parking lot cistern (for front gardens and parking lot area)
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* back yard rain barrels (for back yard and alley)
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* rain barrel in greenhouse (for greenhouse plants and other indoor plants)
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* rooftop rain barrels (for rooftop plants if can't use cistern)
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=== Materials Needed ===
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* rain barrel construction items?
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* more or different pumps?
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=== See also ===
 
=== See also ===
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* [[Natural Water System - Drainage and Harvesting]]
 
* [[Natural Water System - Drainage and Harvesting]]
  
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* [[Roof]]
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=== Additional Resources ===
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Matt Lewis' water articles:
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[http://modeldmedia.com/features/erbintro1212.aspx|Liquid Assets (Model D)]
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[http://modeldmedia.com/features/detroitbluecity113.aspx|Detroit, Blue City (Model D)]
  
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[http://metromode.com/features/blueeconomyMaconb0287.aspx|Developing Macomb's Blue Economy (Metromode)]
  
 
[[Category:site index]]
 
[[Category:site index]]
  
 
[[Category:As Built]]
 
[[Category:As Built]]

Latest revision as of 11:51, 9 February 2013

return to As Built

To fully understand our philosophies on water and our research into our water harvesting systems, please see our Natural Water System - Drainage and Harvesting page. This page is intended to describe the water systems as they were set up. Please note that we did not pursue a gray water harvesting system. Harvested water is used for outside purposes only. Inside water comes from the City of Detroit water system.


Water Harvesting for Gardens

  • Our water plan divides the roof into sections to have the water go to where it can be stored, used or placed into the drainage fields for the plants around to use.

Natural water system.png

Goal

Our goal is to use NO water from the city system for plants at the Green Garage.

Storage / Usage

Our water harvesting system includes the following storage tanks:

  • 500 gallon tank on the roof of the building above the 3-season room at 15 feet high above grade. The tank is supplied by a guttering system which harvests water from the south side of the barreled roof of the main building. This tank acts as the primary water supply for the front of the building and into the alley. The pressure is approximately 6.5 psi (normal city water supply is in the 40 - 60psi range).
  • A 1,200 gallon tank under the parking lot is supplied from water harvested from the front of the annex roof and the north side of the barrel roof of the main building. This water is used for watering the parking lot and front garden plants.
  • A rain barrel in the backyard helps with the backyard and alley. It is filled by a gutter on the rear of the annex building.

Water Distribution

We currently move the harvested water around the site to the point of use with minimal use of power.

  • Front / Parking Area / Wall Gardens - uses a hose attached to the tank in the parking lot of the building. We have a submersible magnetic drive pump (low energy) in the tank to assist delivery of water.
  • Backyard - uses rain barrel in backyard.
  • Alley - uses the rooftop cistern.
    • Extended tubing under front yard to connect rooftop cistern and added spigot to connect hose.
  • Greenhouse & Indoor plants - are watered from the rain barrel in the backyard using watering cans.

Annual Maintenance Routine

  • drainage each fall

See also

Additional Resources

Matt Lewis' water articles:

Assets (Model D)

Blue City (Model D)

Macomb's Blue Economy (Metromode)