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I am using EPANet to model a moderately sized subdivision (about 300 lots of single-family). The trick is that we only have one source (a main extension that isn't built yet) coming in at about 2/3 up from the minimum elevation of the site. The total vertical difference of the site is about...

I don't want to create a thread that disputes the pros and cons of outsourcing from a socioeconomic or political perspective. But, I am curious if any engineering firms out there have ever used a foreign company for doing such work as design and drafting of a land development project. I have...

Being in the process of working toward a strictly on-line master's, I may be a bit biased. I wanted to say, though, that while NO degree is a substitute for actual experience (I've known people with a high school education rival PhD's in physics), there is a place for the on-line degree...

Thanks. I believe that the system is closed to the atmosphere the whole way downstream of the pump. One of the alternatives we were looking at was putting a gravity feed tank at the upper end of the line, but we are afraid of settling the solids. The vent you suggest may work, since our...

I am pumping a slurry (10% solids) through an 8" steel pipe 19,000' long and on a downgrade of 1%. At the end of the line, we are seeing large surges of fluid followed by lulls. I am guessing that this is being caused by the pipeline being able to carry more via gravity than the pump is...