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Does anyone know the difference between Cantilever and Lagging Retaining Wall?

Thanks for the help

Hi, I am designing a new 500,000 Gallon Water storage and this tank is going to have a isoloated feedpipe coming in near the top of the tank and a discharge pipe located at the bottom of the tank. My question is how high up on the tank are you suppose to put your feed pipe? I have heard 2/3...

Hello, I am fairly new to this analysis, but in one of my models I am getting a couple floods crossing one another. For instance. Upstream of one culvert it is telling me that my 50 - year and 100 - year storm events have a higher elevation than my 500 -year. I know these models are...

Yeah I have never placed them at low points.

Bob, Thanks for the response. He was a vendor. I have designed several force main's that seem to be working just fine. It just scared me when he said that, beacuse I am still relatively new to the Engineering Professon. I started thinking and could not for the life of me think of situation...

Thanks. I haven't used scour valves before but I am guessing that is just a valve which could reduce the pipe ID thus increasing the veolocity to help clean the pipe.

I had a small meeting yesterday with a pump rep, and one of his comments he said on some sanitary sewer force main's he recommends Engineers to place Air/Vacuum Release Valves at low points in the system. Does anyone know the reason as to why you would do this?