When Elizabethton’s sewer and water departments in Tennessee merged, they had to decide how to handle a system of mostly 100-year-old vitrified clay sewer. Part of their formula for success was purchasing a carefully spec’d combination jet/vac unit.
“We knew we were going to have to take a new focus on establishing a maintenance schedule and really find out where we were,” says Jonathan Pleasant, construction manager for the water resources department. “Our system is very old, most of it was put in back in the 1920s, and maintenance was not really high priority for a lot of those decades. So
