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With water everything is possible. Without water nothing is possible. Dean Seibert, M.D. ACTS

Building a Water Distribution System in Honduras

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With water everything is possible. Without water nothing is possible. Dean Seibert, M.D. ACTS

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    1. With water everything is possible. Without water nothing is possible. ~Dean Seibert, M.D. ACTS

    2. Building a Water Distribution System in Honduras – Engineers Without Borders Building a Better World, One Community at a Time Ethan LaRochelle & Michael Sanders Northeastern University Engineers Without Borders NEWWA 2007 Spring Joint Regional Conference and Exhibition DCU Center, Worcester, MA March 28, 2007

    3. Introduction to EWB-NEU Northeastern University, Boston, MA EWB-USA founded in 2001 Currently working with communities in rural Honduras

    4. Outline Chapter History Travel and Lodging Projects El Tecuan Los Planes Fundraising Questions

    5. A Brief History December 2004- EWB-NEU founded March 2005– Approved project in the Yoro District of Honduras August 2005- Travel to Honduras to collect data April/May 2006-Implementation of design and site assesment for next project

    9. Travel and Lodging Travel with Americans Caring Teaching and Sharing (ACTS) Accommodations Local guides Communication

    10. Projects

    11. El Tecuan pop. ~200

    12. Existing Conditions Unreliable service Low pressure Aging system (20 yrs) Makeshift repairs Hurricane damage

    13. Data Collection GPS Survey Rod and Level Survey Pressure Readings Interviews Component Inventory

    14. Design Process Excel and WaterCAD models Multiple designs East branch loop New parallel main line Main line replacement

    16. Implementation

    17. Results

    18. Los Planes pop. 116

    19. Existing Conditions Contaminated source No service Unusable distribution system Damaged main line Diverse topography Hurricane damage Fire damage

    20. Data Collection GPS Survey Rod and Level Survey Interviews Water quality testing Total coliforms VOCs Metals

    21. Overall Feasibility

    22. Overall Feasibility (cont.) Water Source: 4.5 gallons per minute 20 year demand projection: 5,645 gallons per day Diurnal demand cycle Conclusion: feasible with reservoir tank

    23. Design Process Excel Hazen-Williams water flow model Multi-phase implementation Phase 1 Transmission pipe Suspension river crossings Break pressure tanks Community tap stand Phase 2 Reservoir Tank Distribution Network

    24. System Diagram

    25. Main Pipeline

    26. Crossing Locations

    27. Suspension Crossing Example

    28. Suspension Design 1.5” galvanized iron water pipe 5 mm steel cable (4,000 lb strength) 1.5” galvanized iron pipe for columns Concrete/soil footings Steel cable stirrups (calculated lengths)

    29. Suspension Crossings

    30. Break Tank Locations

    31. Break Tank Design

    32. Community Tap Stand Immediate use of system Temporary Erosion control Future uses

    33. Moving Forward Spring 2007-Approval by EWB-USA May 2007 – Phase 1 of Los Planes Implementation Summer 2007 – Phase 2 Implementation (fundraising dependent)

    34. Fundraising $20,000 per trip 75% material 25% travel costs Donations Engineering Companies Grants Family and Friends

    35. Questions? Contact Information: Michael Sanders : sanders.mi[AT]neu.edu Ethan LaRochelle : larochelle.e[AT]neu.edu Website: www.ewb.neu.edu

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