Clean and repair septic tanks, sewer lines, or drains. May patch walls and partitions of tank, replace damaged drain tile, or repair breaks in underground piping.
<ul><li>Drive trucks to transport crews, materials, and equipment.</li><li>Communicate with supervisors and other workers, using equipment such as wireless phones, pagers, or radio telephones.</li><li>Inspect manholes to locate sewer line stoppages.</li><li>Prepare and keep records of actions taken, including maintenance and repair work.</li><li>Operate sewer cleaning equipment, including power rodders, high-velocity water jets, sewer flushers, bucket machines, wayne balls, and vac-alls.</li><li>Measure excavation sites, using plumbers' snakes, tapelines, or lengths of cutting heads within sewers, and mark areas for digging.</li><li>Clean and repair septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins.</li><li>Locate problems, using specially designed equipment, and mark where digging must occur to reach damaged tanks or pipes.</li><li>Service, adjust, and make minor repairs to equipment, machines, and attachments.</li><li>Dig out sewer lines manually, using shovels.</li></ul>