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  1. BigDog23

    Grey Water Reuse Design

    I'm custom building on a large lot approx. 31 acres and am trying to find a good design reference for grey water reuse. Does anyone specialize in this or have a reference they find helpful? Thanks, BD23
  2. BigDog23

    Backflow Calculations?

    There is lots of hydraulic modeling software out there i.e. Haestads makes StormCad or many people have their own devised spreadsheets or what not. However, as with any program, you need to know what the program doing. Otherwise its the garbage in/garbage out syndrome, which you may be...
  3. BigDog23

    Regarding Storm Drainage

    The definition for "Bubbler" shifts but in essence it was created around the mid to late 70's as a means to convey stormwater flows from one side of an intersection to another. Imagine if you will, an intersection with flow entering from the north. Instead of installing a cross pan to...
  4. BigDog23

    Grade Change with out vertical curve

    Grade change in this case can vary, I don't think I would hold an algebraic difference as the determining criteria, because it holds more to street design than this circumstance, but rather think of this on the practical side. First, what are you using the parking for, is there parking on the...
  5. BigDog23

    French Drain

    At first glance, unless I misread the statement, is that the real problem you are having is caused by the heavy clay soil. The french drain wrapped in mirafi will be only has good as the percolation rate of the soil surrounding it. So pulling out the clay soil and backfilling around the drain...
  6. BigDog23

    Min. Slope for a Water Main?

    Minimum slope, probably needs to be clarified a bit (positive/negative slope) and I want to make sure we're discussing potable pressurized water right? I've had discussions with water municipalities concerning steep slopes for hillsides where I am using restraint joint pipe, but that would be...

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