Ability to safely and frequently move and handle heavy objects weighing up to 50 pounds, or more with assistance; ability to maneuver materials up and down stairs; ability to climb and work from elevated workstations such as ladders and scaffolds; ability to work for long periods of time standing, walking, reaching, bending, pushing/pulling. • Ability to safely and frequently move and handle heavy objects weighing up to 50 pounds, or more with assistance; maneuver materials up and down stairs; climb and work from elevated work stations such as ladders and scaffolds; and work for long periods of time standing, walking, reaching, bending, pushing/pulling.