Thanks for the info CEE98. Velocities are right at the 2 fps. I do have a pigging vault outside the station, but still have no way to clean the lines from the pumps to the pig vault. Dilution is a good idea, but this station is in a very remote area. Did you ever try a coagulant or a polymer...
I have a pumping station in one of my sewer districts which pumps leachate from a capped landfill. The problem is that after a few months, the pumps and piping in the wet well become clogged with what appears to be iron or clay. The 4" force main is reduced to the size of a quarter after just...
