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Streamlined Water Supply Design Software for Safe Drinking Water Access

The AguaRED project aims to contribute to the United Nations Millennium Goal #7 by developing software that simplifies the design of water supply distribution systems. This package utilizes GPS survey data to create an efficient water supply network from source to household taps. Engineers can modify designs, improving accessibility to safe drinking water. Tested in Honduras, the software addresses limitations of existing tools like EPANet by offering an enhanced GUI and flexible simulation capabilities, facilitating humanitarian efforts in water distribution.

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Streamlined Water Supply Design Software for Safe Drinking Water Access

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  1. AguaRED Project Supervising Faculty: Monroe Weber-Shirk Team: Christopher Boone, Peter Burns, Biswaroop (Biz) Chatterjee, Keith Lau, Clario Menezes, Ramiro Rodriguez, Eli Rosofsky, Dan Stowell, Tammy Wu

  2. The Problem • United Nations Millennium Goal #7: • reduce by half the proportion of people without access to safe drinking water by 2015.

  3. Address a component of the problem • Write a software package that streamlines design of water supply distribution systems: • takes GPS survey data as input • designs a water supply system from the water source to household taps • allows the engineer to modify the design • tested by Agua Para el Pueblo in Honduras and then released for free use by organizations working on the Millennium Goals.

  4. Existing Software: EPANet • Can perform extended period simulations of hydraulic behavior • GUI written in Delphi • Hydraulics engine written in C • Simulation output is graphical

  5. nodes pipes EPANet (contd.) • Screen shot:

  6. EPANet too limited • GUI issues: • difficult to input large node set from file • does not allow easy modification of properties for a specific set of nodes • only 2-D view • Engine issues: • assumes constant water demand throughout day • need to be able to turn taps on and off at will

  7. AguaRED • Re-writing GUI and interface to EPANet hydraulics engine • Using C# • object-oriented • ease of Windows GUI development • Visual Studio .NET makes group development easier by splitting main solution into projects • still allows us to call existing C code • Will allow user to generate output reports of simulation results

  8. Data Flow (1 of 3) • Engineer walks along paths from water source to each house entering (x,y,z) values at various locations where nodes (pipe junctions, tanks, etc.) will be

  9. Data Flow (2 of 3) • input node data into program and program automatically creates network from GPS points • engineer can manually modify network if necessary

  10. Data Flow (3 of 3) • program calculates cheapest way to connect nodes with pipes based on pipe material and length • simulates network using EPANET engine to check that the design works • simulation will turn taps on and off at intermediate time steps based on sample daily water usage distributions

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