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Wastewater Engineering, 3rd Ed, Metcalf & Eddy, lists a wastewater flow of 130 - 260 gpd/bed, with a typical value of 150 gpd/bed.

In the Nevada desert we use lined ponds for evaporation. Solar energy, no moving parts, remove sludge every few years.

Re: Master's in Civil. Please check carefully with your PE Board. I have a MS in Civil and a BS in chemistry, and am working in water resources/treatment. However, as far a my board was concerned, I did not have an "engineering degree," causing delays in licensure. To be licensed here...

I recommend "Pumping Station Design," edited by R.L. Sanks.

Hello all. Our client has a 10-inch force main that appears to have too much friction for the length of pipe and flows involved. Our calculations show discharge head should be about 5 feet, yet gauge measurements show 22 feet. Flow is about 400 gpm, and the pump is operating on its curve...

dicksewerrat, The pipe will be burried - by "going across open ground," I meant to imply that I had enough straight run and soil friction outside the casing that restrained joints weren't necessary. Perhaps I should learn to write what I meant to imply. Keith

Hi - I'm checking opinions. I'm designing a C900 PVC pipeline (12") for potable water distribution that is going across open ground in a straight line, and then crossing a highway in a bore that will have a jacked steel casing. The pipe within the casing will be mounted on centering...