Most training for pipeline cleaning focuses on the jetting component, but the removal of debris can be the most time-consuming part of the job. Proper training and use of the vacuum half of a combination unit is just as important. Being an effective operator requires mastery of both components in order to use the combination truck to its full extent.“Using combination units, vacuuming can fall by the wayside. If you’re not using it you’re starting over at square one,” says Rick Lewis, a wastewater collections consultant. He started out as a manufacturer representative after retiring from the Marine Corps and
