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Recent content by csevers

  1. csevers

    Outlet structure help

    Thanks so much. That is a great trick with the 0 area at invert el. I don't know how my time step got switched to 1, I had it at .01 previously.
  2. csevers

    Outlet structure help

    Unfortunately, I rarely have the fall to do what you're talking about (Ohio's super flat), although I really like the idea you are proposing. I'm sure I'll use it in the future. I understand the routing time will approach infinity, but then how can I possibly meet requirements without using...
  3. csevers

    Outlet structure help

    I'm in Ohio. Our soils are clay, so no I do not include exfiltration. Here's my problem with HydroCAD: Only applies when routing a drainage area into a pond with outlet structure. I double click the pond to bring up my results, then I pull up the table to see what's actually going on...
  4. csevers

    Outlet structure help

    Thanks for the suggestions. I've chalked up the problems I was having to limitations of hydrocad. Yes, my initial outlet structure was a water quality orifice with a larger flood control orifice above it. With that setup I wanted to reduce the rate of release at high head and increase the rate...
  5. csevers

    Outlet structure help

    I'm designing a dry extended detention pond and I'm having difficulty meeting my water quality requirements. What techniques do you use to to decrease the initial drawdown rate and subsequently increase drawdown rate. Basically, I need to reduce the rate the first 50% of my WQv is released and...
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