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Recent content by PSVT

  1. PSVT

    Stormwater/drainage design codes

    Thank you all for the responses. I will take a look at some of the publications that were recommended.
  2. PSVT

    Stormwater/drainage design codes

    Hi all, As a civil/stormwater engineer I am accustomed to designing treatment practices to our state manual, but our manual (Vermont) is primarily geared toward sizing for treatment volumes, not conveyance and collection and the associated risk of flood damage to surrounding infrastructure. Is...
  3. PSVT

    Pervious Pavement Modeling- Tc Method

    Thanks Peter!
  4. PSVT

    Pervious Pavement Modeling- Tc Method

    Hi All, Quick question: HydroCAD has a helpful article at the address below which describes a method for modeling pervious pavement using a longer Tc, per research performed by the UNHSC. www.hydrocad.net/pavement.htm I have searched the UNH website for the actual study and have been...
  5. PSVT

    Infiltration Pond Oscillations

    I am getting warning message #87 " oscillations may require finer routing or smaller dt" My current settings are set at dt =0.01 hr and finer routing =2. My model shows .6' freeboard, and I have tried adding extra storage to see if that would make the problem go away, but I still have...
  6. PSVT

    Infiltration Pond Oscillations

    Hi everyone, I am having trouble figuring out why I am getting oscillations in my model of an infiltration pond. I've used custom stage data to represent the available storage. The available storage elevation is in excess of the peak water elevation during the design storm. I have infiltration...
  7. PSVT

    question on modeling

    I think that I understand the situation. This is more of a policy question than a Hydrocad technical question. But I will comment anyway. The two study points drain to different receiving waters, and the report seeks to quantify the total site runoff to the two different discharge points. In...
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