Maintains a safe work area, including; placing and removing cones, barricades, warning devices, and/or directing traffic at work sites to ensure the safety of work crew and public; cleans up work sites upon completion of the job; picks up all tools and equipment; secures the job site if returning later; washes vehicles and equipment as needed; cleans up shop areas; maintains tools and equipment in safe and operable conditions; safe use, mix, and dilute all chemicals according to direction labels; and when operating motor vehicles, observe safe driving principles and practices. Physical characteristics: The job requires to be able to twist and kneel for up to 6 hours daily: bend, turn, climb, crouch, and crawl up to 2 hours daily; stoop for up to 3 hours daily; walk, sit, and stand up to 4 hours daily; grasp objects up to 8 hours daily, lift and carry up to 80-lbs., push or pull up to 20-lbs., grasp up to 8- hours.