Is anyone here familiar with the County of Orange (So Cal) design criteria for sizing detention basins? Storm Event and Duration.....Feedback would be much appreciated!
All,
I am new to using the TR-55 software and have a few questions. Please see below. My goal is to use the hydrograph data in the input file for HEC-1, so that I may determine storage volume. I would need to do so for the 100 year 6hr and 24 hr storm.
1. Where can I find Unit Hydrograph...
All,
I am analyzing a system for use in Colorado. I am using the SCS method to prepare the flood hydrograph, for use in basin routing via HEC-1. The system is basically 3-36" CMP pipes at 200' each. Using HEC-1, with an outlet pipe size of 6", HEC-1 is telling me I need to provide a good...
All,
I have a question regarding a stairway exit of a multifamily building. The scenario is a stairway has been constructed, and it was constructed 8" above grade. Thus, we are providing a stoop and 2 steps. A portion of the curved step comes down to a concrete path of travel. The remainder...
Hi all. I am working on a proposed underground CMP detention system in Colorado. I have the 2 year peaks flows, via rational method, for both the existing and proposed condition, and need to provide some detention to reduce flows (so as to satisfy the City). Please provide your input on the...
I have a site located in the County of Orange (California) with existing Imperviousness less than 50%. My question pertains to Leed Credit 6.1. Please see my questions below. I would greatly appreciate any feedback.
The requirement is to provide discharge rate and volume for the existing and...
This thread has started to discuss the basics of hydraulics. It is always nice to revisit the fundamentals from time to time, to make sure we're all headed in the right direction.
Anyhow, I am officially opening the Hydraulics thread for discussion. This could include anything from using...
Hi all. First time post. I am trying to work on a design for a storm drain system in which I would be diverting low flows with the use of a weir. All low flows would be routed to an infiltration trench or drywell to allow for percolation in the the natural soil.
My question is whether any...
