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Hydrocad culvert design

Hydrocad culvert design

(OP)
I have a simple task. I have to model outflow from a basin which is connected to the culvert (In first step modeled as a pipe reach). The culvert´s capacity was exceeded. So, I converted it to a pond with culvert outlet. What I need is a transform of inflow, so I used detention pond. My question is, how can I estimate the storage? I know just the dimensions of culvert.
Is there any other way how to model a culvert transformation?
Thanks for your ideas

RE: Hydrocad culvert design

If there's no storage, then you can define the node to have no storage in HydroCAD.

If there is storage in reality, you'd ideally calculate it using topographic survey. Lacking that, you could estimate it with the best available data.

Hydrology, Drainage Analysis, Flood Studies, and Complex Stormwater Litigation for Atlanta and the South East - http://www.campbellcivil.com

RE: Hydrocad culvert design

I'm not exactly clear about your question. You can use the pond sizing report to estimate the storage required to attenuate the peak runoff to a specific target outflow. For details please see www.hydrocad.net/pondsizing.htm

Peter Smart
HydroCAD Software
www.hydrocad.net

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