Placing backfill over the sewer line has 3 essential elements: 1. Protect the pipe from movement, breakage. 2. Compacted in layers until the excavation if completely filled. 3.

The 3 most common reasons a pump may fail in a lift station are; malfunction in either the electrical or mechanical system, debris jamming a check valve, or

What type of pump may be referred to as a “mud hog”?

When primed what is the maximum lift of a positive displacement diaphragm pump?

The operating pressure on a water seal above the discharge pressure on a pump should be

On a pump curve what is plotted on the horizontal line?

What is plotted on the vertical line of a pump curve?

At a minimum how often should wet wells and grit tanks be drained, inspected, and cleaned?

Unless there is an issue, how often, at a minimum, should the wet wells be drained, cleaned, and inspected?

Digesters should be drained and inspected at least every