I don't know where to upload this for all to see, but there's a video forwarded to me from a roadway, where stormwater gysers out of a manhole that looks to be 8' in diameter, and the lid crushes the front of a truck passing by.
It's date-stamped july '99, and it happened about 5:20 in the...
I have a detention pond outleting into a floodplain. we have a 100 year detention requirement.
Obviously, as the flood waters rise in the floodplain, my tailwater will be increasing and decreasing the head my outlet structure is working with.
Primarily I use Hydroflow Hydrograph2004, and it...
