Cleans out plumbing fixtures and drain lines including: water closets, urinals, lavatories, kitchen sinks, laundry sinks, laboratory sinks, drinking fountains, shower drains, floor drains, wash fountains, emergency eye wash fountains, floor sinks, grease trap outlets, grease trap piping, sewer mains, building drains, manholes, area drains, catch basins, storm drains, roof drains, roof leaders and storm sewer mains. About this job: Performs drain cleaning work on all district plumbing systems sanitary sewers, sanitary building drains, sanitary branches, storm sewers, storm drains, roof drains and roof leaders.