I'm designing a retention pond based on Urban Drainage (Colorado Front Range) which requires 1.5 times the 24-hour 100 year storm plus 1 ft freeboard.
I'm familiar using the 1 - 6 hour point rainfall values for varying design storms because it's listed in Urban Drainage. However I don't...
I'm not extremely familiar with WaterCAD v8 and working on a smaller commercial site that needs a service stub and fire hydrant. Existing infrastructure consists of a 16" main in the frontage road to the project with an 8" lateral stubbed at the project entrance.
I've set up a model with a...