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Team 2: Agua Para Vivir [Water For Life]

Team 2: Agua Para Vivir [Water For Life]. Drew Johnson David Nyenhuis Jason Van Kampen Hendrik Vanderloo. Our Project. Cuchiverachi, Mexico. Objective. - Promote Healthy Living. 1 st Priority Deliver Water to Dorm 2 nd Priority Improve Hygiene and Health of the Community.

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Team 2: Agua Para Vivir [Water For Life]

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  1. Team 2: Agua Para Vivir[Water For Life] Drew Johnson David Nyenhuis Jason Van Kampen Hendrik Vanderloo

  2. Our Project Cuchiverachi, Mexico

  3. Objective - Promote Healthy Living • 1st Priority • Deliver Water to Dorm • 2nd Priority • Improve Hygiene and Health of the Community

  4. Trips To Gather Necessary Information Trip 1: June 6- June 14, 2009 Trip 2: Jan 26 – Feb 2, 2010 • Needs of community • Sources of water • Elevations • GPS coordinates • Water quality • Flow rates of water sources • Water rights • Ground conditions • Available building materials and pricing

  5. Water Supply Where to get the water… • River water • Ground water • Rainwater • Spring water • Bottled water

  6. Rainwater Water Supply • Springwater Concept • Rainwater • Irrigation • Spring water • Drinking • Hygiene

  7. Water Supply Systems

  8. Water Supply System Ground Water Spring • Spring Features • Marshy, unable to locate eye • Clay soils • 98 m above dorm • 1.4 km from dorm • 2 L/min flow rate • Community has approved this spring for the dorm’s water supply • Marshy Area • Flow Direction

  9. Spring Water to Dorm Capture water from a spring • Design Features • Two 15’ trenches filled with permeable rock/gravel and 3’ PVC drain tile • Drainage ditch upstream of spring to stop runoff infiltration • Cost = $140

  10. Spring Water to Dorm Settle particles out of water • Design Features • Concrete box • 3’ x 3’ x 1’6” • 3” walls • Concrete lid • 3’1” x 3’1” x 1.5” • Settles out particles Ø > 0.001 cm • Cost = $150

  11. Spring Water to Dorm Analysis of Water Demand • Water Demand Estimate for Dorm • The maximum capacity is 40 kids • The kids stay for 4 day periods each week • The average demand for a week is 2,400 L/day • Water Supply from Spring • Rough estimate is 2 L/min • This estimates to about 2,900 L/day

  12. Spring Water to Dorm Storage Tank to Equalize Pressure & Flow Variations • Design Features • Positioned at an elevation (95 ft above dorm) that gives at least 40 psi and a flow rate of 7 gal/min • Ferrocement tank • Volume of 5,000 L (6.5’ diameter, 5.5’ tall) • Cost = $400

  13. Water System at Dorm Water Purification • Filtration • CAWST bio-sand filter • Cost of mold = $185 • Cost per filter (not including mold) = $20 • Disinfection • Granular calcium hypochlorite • Cost per pound= $2.00

  14. Water System at Dorm Hot Water System • Solar Heating Panel • Copper pipe • Glass covered • Circulating Pump • Heats 20 gal (75 L) of water to 95ºF inabout 5 hours • Wood Fired Boiler • Recommended a manufactured unit

  15. Rainwater & Irrigation Water for Community Crops • Gutters • 4 plastic storage tanks(1000 Liters) • Irrigation to community fruit trees and vegetables • Cost = $930

  16. Hygiene Improvements Pit Toilets • One pit toilet per family • Lightweight superstructure • Concrete block pit lining • 3 meters deep by 1.3 meters square • Cost per latrine = $240

  17. Hygiene Improvements Education • CAWST posters • Educate children about healthy sanitary practices • Easy to understand • Pictorial • Spanish and English

  18. Implementation June 2010 • Phase I • Cost = $1,500 • Phase II • Cost = $2,500 • Phase III • Cost = $6,000

  19. Building the Filter Mold Steel. Welding. Steel. • Over 150 lbs of steel from GR Central Iron and Steel • Finished on April 27 • Cost = $185 • Issue: Took longer than expected

  20. Filter #1 Failure • Poured filter on May 4 • Problem: Interior mold stuck in filter • Solution: Break filter and retry!

  21. Filter #2 More success, still a failure • Changes made • Homemade concrete mix – as design specified • Less water • Pneumatic hammer • Ground all rough edges • Lathered on the oil • Mold didn’t stick • Crack from mid-pour mix change

  22. Conclusions Final Thoughts • Difficulties we faced • Data acquisition • What we learned • More than engineering • Design to be built • What we would have done differently • Built the prototypes earlier and experimented more • Plans are in the works to implement the project

  23. Acknowledgments Thank you! • Tate Burckhardt, VP, Better Water Industries Inc. • Professors Leonard De Rooy, Robert Hoeksema, Aubrey Sykes, & David Wunder, Calvin College • Phil Jasperse, Metals and Woodshop Technician, Calvin College • Ryan Maness, Highways and Hedges Ministries • Breese Stam, Grand Rapids Engineering Department • Richard Stam and Lorenzo Dominguez, Salud Para Suchil • Dan VanderHeide, Project Engineer, Williams and Works

  24. Questions?

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