Hi Peter, thanks for responding. The issue I'm seeing is that HydroCAD is adding a large amount of storage above the rim of my structure.
I have my primary outflow exiting through the stone box culvert and my secondary outflow exiting through the opening (modeled as a weir) at the top of the...
I am analyzing a proposed 84" culvert under an embankment that will feed into a proposed manhole structure DMH-1 that will connect to an existing 4'x4' stone box culvert. The existing box culvert sits on grade in a ravine that has become a dumping grounds for local residents and is not in good...