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Recent content by Ellie60

  1. Ellie60

    EPANET: Problem Negative Pressure

    Fred That is terrible the house started on fire. My sister's house caught fire and did a lot of damage they were able to save the house. We are building a home in the mountain west of Denver and we are required to install a sprinkler system it is mandatory in the county next year. Cost us a...
  2. Ellie60

    EPANET: Problem Negative Pressure

    Fred The high flows at the buildings are for the sprinkler systems which I calculated using IFC. Each of the nodes are fire lines to the buildings. The model I posed was for the Peak Demand, I created different models for ADD amd MDD not sure if this is correct way. I assume I could use time...
  3. Ellie60

    EPANET: Problem Negative Pressure

    Fred I did get the model to run successful. The problem I am having now is the flows and velocity seem high. Is this due to the head in the reservoirs? I did also rename my links and nodes...
  4. Ellie60

    EPANET: Problem Negative Pressure

    Fred Thank you for the response. I will check my elevations for the reservoirs and the demands. Ellie
  5. Ellie60

    EPANET: Problem Negative Pressure

    I have not used EPANET for several years and am having problems with negative pressures in my system. The system is a water distribution for a apartment complex which ties to existing water system. Does the reservoir need a pump to overcome the negative pressure? Also the pipe in one of the...

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