CONTINUOUS (up to 100%): standing, walking, sense of touch, speaking clearly, seeing distant, lifting over 10 lbs. to 50 lbs., seeing, reaching, range of motion, hearing-speech range, depth perception, color vision, lifting, carrying, pushing, pulling, balancing, lifting up to 10 lbs., lifting up to 50 lbs. Traffic Signal Ground Laborer The Traffic Signal Ground Laborer will perform a variety of tasks in the traffic signal construction field.