# Tasks & work activities — water network operative Source: O*NET 30.3, occupation 47-4071.00 (Septic Tank Servicers and Sewer Pipe Cleaners). ## Task statements - **[Core]** Drive trucks to transport crews, materials, and equipment. - **[Core]** Communicate with supervisors and other workers, using equipment such as wireless phones, pagers, or radio telephones. - **[Core]** Prepare and keep records of actions taken, including maintenance and repair work. - **[Core]** Operate sewer cleaning equipment, including power rodders, high-velocity water jets, sewer flushers, bucket machines, wayne balls, and vac-alls. - **[Core]** Measure excavation sites, using plumbers' snakes, tapelines, or lengths of cutting heads within sewers, and mark areas for digging. - **[Core]** Locate problems, using specially designed equipment, and mark where digging must occur to reach damaged tanks or pipes. - **[Core]** Clean and repair septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins. - **[Core]** Service, adjust, and make minor repairs to equipment, machines, and attachments. - **[Core]** Inspect manholes to locate sewer line stoppages. - **[Core]** Dig out sewer lines manually, using shovels. - **[Supplemental]** Ensure that repaired sewer line joints are tightly sealed before backfilling begins. - **[Supplemental]** Withdraw cables from pipes and examine them for evidence of mud, roots, grease, and other deposits indicating broken or clogged sewer lines. - **[Supplemental]** Install rotary knives on flexible cables mounted on machine reels, according to the diameters of pipes to be cleaned. - **[Supplemental]** Start machines to feed revolving cables or rods into openings, stopping machines and changing knives to conform to pipe sizes. - **[Supplemental]** Cut damaged sections of pipe with cutters, remove broken sections from ditches, and replace pipe sections, using pipe sleeves. - **[Supplemental]** Break asphalt and other pavement so that pipes can be accessed, using airhammers, picks, and shovels. - **[Supplemental]** Cover repaired pipes with dirt, and pack backfilled excavations, using air and gasoline tampers. - **[Supplemental]** Requisition or order tools and equipment. - **[Supplemental]** Rotate cleaning rods manually, using turning pins. - **[Supplemental]** Clean and disinfect domestic basements and other areas flooded by sewer stoppages. - **[Supplemental]** Tap mainline sewers to install sewer saddles. - **[Supplemental]** Update sewer maps and manhole charts. ## Detailed work activities - Break up rock, asphalt, or concrete. - Clean equipment or facilities. - Communicate with other construction or extraction personnel to discuss project details. - Compact materials to create level bases. - Cut metal components for installation. - Decontaminate equipment or sites to remove hazardous or toxic substances. - Dig holes or trenches. - Drill holes in construction materials. - Drive trucks or truck-mounted equipment. - Edit documents. - Inspect completed work to ensure proper installation. - Inspect plumbing systems or fixtures. - Install equipment attachments or components. - Locate equipment or materials in need of repair or replacement. - Maintain construction tools or equipment. - Maintain mechanical equipment. - Maintain plumbing structures or fixtures. - Measure work site dimensions. - Operate heavy-duty construction or installation equipment. - Order construction or extraction materials or equipment. - Record operational or environmental data. - Remove worn, damaged or outdated materials from work areas. - Spread sand, dirt or other loose materials onto surfaces.