inspects and evaluates condition of systems; diagnoses leaks, blockages or other problems; excavates around water mains and hydrants; cuts in valves, tees, and beds; saw cuts driveways, sidewalks, curbs, and roads; removes and replaces service lines and hydrants; checks and greases seals and. backhoe, track hoe, excavator, service truck, dump truck, trailer, loader, tamp, water pump, saws, vac truck, crescent wrenches, pipe wrenches, brick hammers, copper crimpers, impact guns, Sawzall's, or other equipment, tools, and supplies.