Performs physically demanding skilled labor including installing, relocating, replacing, repairing and maintaining gravity sewer lines, force mains, manholes, service connections, water mains, fire hydrants, gate valves and other related appurtenances associated with water and wastewater systems in the field. Basic working knowledge of modern methods, tools, equipment, materials and techniques in the installation, relocation, extension, repair and maintenance of sewer and water mains, valves, fire hydrants, manholes, lift stations and other related appurtenances in the collection and distribution system.