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Tim Byrne-(E Sci) Bridget Finnegan-(Ch E) Monica Virga-(PNGE) Riley Wingert-(M E)

Water .... Hope. Tim Byrne-(E Sci) Bridget Finnegan-(Ch E) Monica Virga-(PNGE) Riley Wingert-(M E). Rain Water Catchment. River. Roofspace: 4000 ft 2. Back up water source. 1.5 L per ft 2 in. 3.4 in. avg./mo. 680 L/day. Waste water. Daily water storage. Mass storage

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Tim Byrne-(E Sci) Bridget Finnegan-(Ch E) Monica Virga-(PNGE) Riley Wingert-(M E)

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  1. Water .... Hope Tim Byrne-(E Sci) Bridget Finnegan-(Ch E) Monica Virga-(PNGE) Riley Wingert-(M E)

  2. Rain Water Catchment River Roofspace: 4000 ft2 Back up water source 1.5 L per ft2 in 3.4 in. avg./mo. 680 L/day Waste water Daily water storage Mass storage 60,000 L Capacity 50 L/day 300 L/day Agriculture Filter 300 L/day 300 L/day Daily potable storage 40 L/day Drinking 300 L/day 16 L/day Washing 24 L/day Cooking Bio diesel Housing 40 L/day Toilets 100L/day 200 L/day 80 L/day Showers

  3. Catchment and Treatment System 4000 ft2 P P Mass Storage Potable 300 L/day Filter Agriculture and Wastewater350 L/day

  4. Experimentation/Prototyping Objective: Filter 300 L/day Holding tank Gravity feed 4 foot prototype Flow Rate = 99.2 L/m2*day Diameter = 6 in = 0.152 m

  5. Biological Slow Sand Filter Design Anticipated flowrate = 130.4 L/m2*day Areaexperimental = 3.0 m2 Areatheoretical = 2.3 m2 Schmutzdecke Volume ~ 200 L 0.57 m dia. 0.85 m high We will need 6 – 8 filters. Collection Piping

  6. Testing for Coliform • Methods: • Laboratory • One time use field tests • Presence tests • Local means Clean water Primary effluent • Pros: • Reveals • Fecal coliforms • Other bacteria • Portable • Easy to Use • Cons: • Cost - $10/each • Non-reusable • Restricted to occasional use

  7. User Experience User Actions User Attributes Pump water Ownership Responsibility Set flow rates Clean bio-layer Added Convenience Better Health Switch filters Enjoy Clean Water!

  8. Business Model Start up cost: $1,684.70 Will be saving $500 per year in Municipal Water costs! Goal: Provide reliable and cheap means of Coliform testing to the eco-village and the near-by communities. The CYEC kids will own the system and they make it a success by applying the system to other applications

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