The Green Shower: Saving Water Before the Shower Begins

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The Green Shower Saving Water Before the Shower
Begins

• Team 2-2
• Mike Noce (Captain)
• Karl Buhariwala
• Andy Ong
• Josh Atzert

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Problem Background

• On average 3000 gal of water is wasted by a
  family of 4 per year

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Problem Background

• On average 3000 gal of water is wasted by a
  family of 4 per year
• Some repercussions may include salt water
  encroachment, and lowering of the water table

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Problem Background

• On average 3000 gal of water is wasted by a
  family of 4 per year
• Some repercussions may include salt water
  encroachment, and lowering of the water table
• Fresh water is essential for humans

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Problem Statement

• Major source of water waste water cooling down
  in the hot water pipe

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Modified by Karl Buhariwala
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Problem Statement

• Major source of water waste water cooling down
  in the hot water pipe
• People drain this water before they start their
  shower

http//www.greywater-systems.com/047902a0.jpg
Modified by Karl Buhariwala
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Solutions

• Small water heater in each bathroom

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Solutions

• Small water heater in each bathroom
• Recycling system that uses water that goes down
  the drain

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Solutions

• Small water heater in each bathroom
• Recycling system that uses water that goes down
  the drain
• Temperature regulating water collection tank
  behind the wall

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Water Heater

• Heaters switched on before shower and off after

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Water Heater

• Heaters switched on before shower and off after
• Large amounts of electricity lost 2 kWh /10
  gal

http//www.eurouno.com.my/images/installguide_wh_1
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Water Heater

• Heaters switched on before shower and off after
• Large amounts of electricity lost 2 kWh /10
  gal
• Piping and wiring could be quite costly

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Recycling System

• Water can be reused throughout household

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Recycling System

• Water can be reused throughout household
• Calls for a completely separate piping system
  dedicated to recycling

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Recycling System

• Water can be reused throughout household
• Calls for a completely separate piping system
  dedicated to recycling
• Could require pumps to be reused in multiple
  water systems

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Recycling System
http//www.srcsd.com/purplepipes/images/PipeDiagra
m.gif Modified by Karl Buhariwala
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The Green Shower

• A 600 in3 water tank is placed behind the wall of
  the shower

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The Green Shower

• A 600 in3 water tank is placed behind the wall of
  the shower
• The cold water is collected in the tank

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The Green Shower

• A 600 in3 water tank is placed behind the wall of
  the shower
• The cold water is collected in the tank
• The hot water raises the cold water to the
  desired temperature

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The Green Shower

• A 600 in3 water tank is placed behind the wall of
  the shower
• The cold water is collected in the tank
• The hot water raises the cold water to the
  desired temperature
• Conventional override kicks in

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Diagram of Solution
Adams
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Criteria for Success

• Solution must end up saving as much as water and
  energy as possible

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Criteria for Success

• Solution must end up saving as much as water and
  energy as possible
• The changes that would be made to the
  conventional shower should be minimal

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Cost
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Recommendations for Future Work

• Save as much water as possible

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inking_man2.jpg
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Recommendations for Future Work

• Save as much water as possible
• Cost efficiency

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inking_man2.jpg
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Recommendations for Future Work

• Save as much water as possible
• Cost efficiency
• Develop Electronics

http//www.cshp-bc.com/events/2005_Events/AGM05/th
inking_man2.jpg
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Summary

• 766 gallons of water is wasted each year per
  person and this can be saved

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Summary

• 766 gallons of water is wasted each year per
  person and this can be saved
• The Problem Water wasted in a shower

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Summary

• 766 gallons of water is wasted each year per
  person and this can be saved
• The Problem Water wasted in a shower
• Solution The Green Shower

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Schedule (Gantt Chart)
Adams
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References

• Adams, Robert. The Diagram. 9th March 2007.
• "Department of Energy - Water." U.S. Department
  of Energy. 1 Jan. 2007
• .
• Engineering Team 2-2. Shower Survey. Survey.
  February 2007.
• Herro, Alana. "Global Action Required to Avert
  Water Crisis." World Watch 19 (2006) 7.
• "How Excessive Water Use Affects Water Quality."
  Environmental Protection Agency. 15 February 2007
  .
• King, Nelson. Water conservation system. Patent
  6,997,200 February 14, 2006.
• Land, Lewis, Jeff Lautier, Nathaniel Wilson,
  Gabrielle Chianese, and Steven Webb.
• "Geophysical Monitoring and Evaluation of Coastal
  Plain Aquifers." Research Library Core 42 (2004)
  59-68.
• Neal, Andrea. "Where's the Water?" The Saturday
  Evening Post (2006) 60-63.

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Acknowledgements

• Mr. Robert Adams
• Mr. Atzert
• Mr. Boyer
• Dr. Sokhansanj

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bouquet.jpg
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Questions