I am trying to set a Base Flood Elevation for a subdivision. This is my first endeavor so please bear with me. A few questions:
1. Hydrologic method? I am using the SCS method. The peak that I am getting is a lot higher than the USGS regression equation (due to storage effects?). Should I use...
I am working with a very flat site (.5%) I am proposing a series of ponds to detain the water. Each pond will have the same initial water level. The ponds will be several hundred feet apart (>500'). So if my inlet starts at the initial water elevation then the outlet into the next pond will...
I work in a very flat area. We often use interconnected lagoons (ponds) as detention storage. We also undercut the lagoons 2-3 feet deep for sediment storage. Recently the reviewing agencies are requiring retrofits in front of the connecting pipes between the ponds in order to store more...
I am working on a project with a high water table - it is almost a wetland with a water table at around 12" below the ground. I dont want homeowners complaining about soggy yards nor do I want the road base in water. I could fill the entire site but then all the trees would die.
We will be...
In my firm we always design interior subdivision street 25' wide (including curb and gutters). Intersecting streets have a curb radius of 25'. I was walking through an old section of town and noticed that the curb radius was much smaller, probably between 5' and 10'. It made it a lot easier...