I have a client that needs a design for a 15-20 foot deep excavation in VA, does VA require Structural Engineer design of Shoring or can a PE stamp the shoring design?
I am working on a flood study to evaluate the 100-yr BFE for a creek directly adjacent to a proposed landfill. (19.4 sq. mi drainage area, all agriculturual very flat, a lot of depressional storage in fields. The stream is highly channelized(4+ miles) and ungaged.
Using TR-20 flow calculated...
I have been using Win TR-20 by the NRCS for detention pond sizing, flow calculations, etc. I was lookin on the HEC website and saw HEC-HMS listed as the replacement for HEC-1. I have not used HEC-HMS, but thought it might be useful to learn it.
Does anyone have any thoughts about the pros and...
I have a project with miscellaneous fill (mostly fine silty sand) to 7-feet, peat to 10-feet, underlain by medium dense fine sand to about 18-feet where the sand becomes dense to very dense N=50 for 4 inches) . This sand was encountered to the maximum boring depth of 35-feet below grade...
