Thanks for all of your help. I looked at the Sim-Route option and it gives me reasonable results (no oscillations, etc.) but I understand it is not to be used for catch basins. I was surprised because it does allow for flow back into pond from the basin (although it is a rather small amount)...
I have considered those, but was hoping to avoid one if possible because it would require an additional structure. Currently the outlet structure is proposed to drop right on top of the existing sewer. To have a flap gate would require the outlet structure to be a separate structure and then...
I have a situation where I am connecting an detention basin outlet structure to an existing storm sewer. The existing storm sewer is capturing offsite area that is bypassing the detention basin. I am worried about the existing storm sewer surcharging and backing up into my basin through the...
I am analyzing a proposed culvert reinforcement solution. There is a large CMP arch pipe (7.5'x11.5') that was installed with too much fill on top of it. The proposed solution includes adding support columns in the middle of the culvert and I am charged with analyzing the effect of the...
