excavations, pits and trenches; combined, sanitary and storm sewer mains and pipes; catch basins, manholes and inlets) in order to properly and safely clean, inspect, construct, maintain, repair and/or replace various components, including pipes of various material such as terra cotta, brick, plastic, etc. Must be able to responsibly perform all field duties in the wastewater bureau, including but not limited to assembling pipe, operating heavy equipment, CCTV equipment, establishing lines, grades, and elevations, and instructing other staff on how work shall progress safely, under the Supervision of the Labor Supervisor.