Thank you, cvg. I had done a quick search before posting, but must have used too specific search terms, as I came up with nothing. The article from the American Concrete Pipe Association entitled "Design Data 41 Manhole Flotation", which was referenced in another thread, provided very helpful...
I am designing a septic system. The area where the septic tank is located is occasionally wet (at the toe of the slope), and there is a relatively shallow periodic groundwater table. A new two compartment septic tank is to be installed in this location. The outside dimensions of the tank are...
