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2 drainage areas w/culvert

2 drainage areas w/culvert

2 drainage areas w/culvert

How do I model 2 subareas linked by a culvert in HYDROCAD? (ex. Subarea A drains into Subarea B through a culvert that crosses a road).

RE: 2 drainage areas w/culvert

Subcat A drains to pond A

Pond A is formed by the roadway impoundment, with a culvert outlet, and perhaps an overflow weir in case the road overtops.  The pond outflow is routed to reach B.

Reach B represents the flow through subarea B.  This may be a channel or overland flow.  For details see www.hydrocad.net/overland.htm

Sucat B drains into reach B -or- into another summation point downstream, depending on where the flows combine.

Peter Smart
HydroCAD Software

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