Daily work expectation requires ability to perform tasks by walking, standing, sitting, kneeling, crouching, squatting, twisting, pushing, pulling, shoveling, climbing, and working with hand tools (up to 25 pounds) in position above and below head, and extended from body to complete repairs. + Lift, carry, position, and usetools and/or equipment (weighing up to 50 lbs.) in awkward positions, swing various weights of sledgehammers, stoop and bend to reach valves, pull on chain-falls or come-a-longs.