I am having to recreate two fairly simple cross sections of a river channel from old HEC-2 input card printouts and I am having a devil of a time interpreting the data I was given by the local FEMA representative. I have the HEC-2 manual but nothing looks like the data that I was given.
Please...
I'm trying to perform a no-rise analysis in a shallow floodway (1 to 2 feet deep) for a mobile home development. The park is existing (grandfathered in before 1979 when BFE's were determined), fully within the floodway and they want to replace single wide homes with double wides.
The local...
Has anybody set up an outlet control for a rain garden (or flow-through planter)using a stage/discharge outlet control based on Darcy's law? Darcy's Law solves for flow rate given hydraulic conductivity (permeability), hydraulic gradient and cross sectional area or depth of the filter medium...
I'm involved in stormwater design for a golf course resort with residential component in Oregon in an area with sensitive streams and regulatory wetlands. All stormwater discharges from impervious areas are to be treated and detained in the normal way and I have no problem with those areas. The...
Has anybody had any experience with impervious liners for underground chamber type storm detention systems such as Stormtech? First, my reading of the Oregon UIC requirements seem to preclude any infiltration potential even from an open outlet detention system. This is for a fairly large 65,000...
