US Department of Defense - - Responsibilities: Perform heavy physical labor requiring the frequent lifting and carrying of items weighing 80 to 100 pounds or more; Perform general maintenance of NAF facilities requiring use of heavy powered equipment and heavy tools; Tasks may include digging ditches, cutting trees using axes and chain saws, and lawn maintenance on grades and slopes; Resets nails, replaces hardware, relocate playgrounds, flowerbeds and portable structures; Advises facility director of potential safety hazards and identifies repairs required