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  • Users: DDBR
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  1. DDBR

    High flow with Low head pump

    I have to pump a large volume of water out of a pond quickly during a storm event to prevent flooding. The pond cannot be enlarged so I am going to install a pump with a high flow rate with low head conditions. The target discharge rate is 1500 gpm with a static head + friction head of less...
  2. DDBR

    Install Pump to prevent flooding

    I am currently working with a property owner who owns a building in an industrial park. When he bought the building he did not realize that during heavy rains his building will flood. This is because his neighbors filled in the drainage ditches to expand their parking lots, not knowing they were...
  3. DDBR

    Sizing the right pump

    I am currently working with a property owner who owns a building in an industrial park. When he bought the building he did not realize that during heavy rains his building will flood. This is because his neighbors filled in the drainage ditches to expand their parking lots, not knowing they...
  4. DDBR

    Selecting right pump for the job

    I would like to install a submersible pump in my storm sewer pond (used to be a detention pond) so that I can outlet water to a county ditch. I have spoken with the county engineer and have been given the okay as long as I do not exceed a discharge rate of 0.2 cfs or 90 gpm. I would like to...
  5. DDBR

    Exported Data Tables from HydroCAD

    I have created a storm sewer drainage network using HydroCAD. I have exported the data table for my reach analysis and everything looks good, but I am missing one piece of information. The missing information is the relationship between my time of concentration and Rainfall intensity as water...
  6. DDBR

    Anchor down Culvert pipe to prevent heaving

    I would like to replace a 40 foot long, 12" dia., culvert pipe that runs across my drive way. This pipe is shallow with less than 2 feet of cover and every season it heaves up causing my driveway to crack. I am going to repave my driveway this summer and will be replacing this pipe and...
  7. DDBR

    ADA Needed?

    I have a question regarding the need to meet ADA requirements through the entirety of my project. In my experience as a roadway/Transportation engineer anywhere a pedestrian could step foot had to meet all ADA requirements or be designed to the maximum extent feasible. I have recently changed...

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