See Table D 13.1 http://www.mde.state.md.us/assets/document/sedimentstormwater/Appnd_D13.pdf
(sorry if it takes a while to load, didn't find a clean table elsewhere on the web) It is the Rawls, Brakensiek and Saxton, 1982 "Rawls Rates" table.
What confuses me is the inclusion of soil texture...
The standard practice where I am is to use TR-55 sheet and shallow concentrated flow when determining time of concentration (paved or unpaved for shallow concentrated flow). My superior is asking that I change to the Upland Method for my models. But he says that the first 50' would still use...
I am a mid level civil engineer and I have been asked by one of my superiors to do what I think is a peculiar thing on one of my stormwater models.
The site in question has a large portion mapped as HSG D and a smaller portion mapped as HSG C. It is a wooded site with exposed and shallow...
Attached (hopefully) is a scan of a map given to me 10 years ago when I started out as an engineer (several different sheets for different storms). I am looking for the source document of these maps. It appears to have been a Massachusetts insert in the Engineering Field Manual (EFM) from 1976...
Hi, I am working on an issue regarding dog kennels and their proximity to private wells. The Town Regulations state that kennels:
"Not less than 250’ from the high water mark of any source of drinking water supply or any tributary thereof or less than 250’ from the high water mark of any open...
I'm looking for some printed documentation that I can quote about the maximum cover over 6" SDR 21 PVC pipe proposed for a sewer force main.
Thanks In Advance
I ain't never seen a hearse with a luggage rack.-GS
