Storm drain systems are designed to drain excess rain and ground water from paved streets, parking lots, and sidewalks. Storm drains vary in design from small residential dry wells to large municipal systems. They are fed by gutters on most streets and highways, as...

With jet flushing, debris from sanitary lines is collected and flushed back to the manhole for retrieval by vacuum loading or screening. A typical flushing operation involves jetting a nozzle through the entire length of the line and flushing material back to the...