Hot-water jetter used to clean lines in schoolProblem: Dennis Critchfield, owner of Critch’s Sewer Inspection in Hill City, Kansas, was recently called to a middle school lunchroom to camera lines in the kitchen area that were plugging on a monthly basis. He was informed that the line had recently been cleaned with a jetter, and they wanted to camera the mainline so they could locate and map for future reference. While running water in the branch lines to mark where the lines tied into the main, water began backing up on the floor.Solution: Critchfield brought in a wet-dry vac and
