Operate a self-propelled grader to spread and level dirt, gravel, and stone to finish grade specifications in the construction and maintenance of earthwork structures, such as highways, streets, dikes, temporary roads, and subdivisions. While performing the duties of this job, the employee is required to walk, stand, sit, shovel, sweep, rake, demonstrate manual dexterity, climb stairs and ladders, and work on elevated platforms, possibly for extended periods.