I am trying to determine the pre- and post-development runoff volume for the 25-year, 6-hour storm (per City requirements). Note, this is a very small project - they are proposing to add 2,067 sf of concrete and 2,624 sf decomposed granite to a 13,685 sf area (existing lawn).
The City...
I'm having a hard time finding guidance on using the full SCS hydrograph generation procedure. (Again, I'm having to brush up ...) I've gone back through as much information as I can find ... and it's all a vague overview, or at least doesn't seem to give me enough information to actually put...
psmart,
Thanks for the quick reply and information. As I mentioned, I had to brush up to get to where I'm currently at and figured I must be going down the wrong path (Graphical Peak Discharge Method) ... so the full SCS hydrograph generation procedure? ... is there a manual procedure for that...
I am trying to determine the pre- and post-development runoff volume for the 25-year, 6-hour storm (per City requirements). I've brushed up on the various methods and would like to use the Graphical Peak Discharge Method. Where I get confused (and maybe I've selected the wrong method) is the...
