This work requires the occasional exertion of up to 25 pounds of force; work regularly requires sitting, bending at the waist and neck, twisting at the waist, climbing, driving, using hands to finger, handle or feel and repetitive motions, and speaking or hearing; work frequently requires standing, walking, carrying up to 25 pounds, and reaching with hands and arms; work sometimes requires stooping, kneeling, crouching, and crawling. Work is performed daily both in and outdoors under all weather conditions and may include exposure to inclement weather, chemicals, seasonal temperature extremes, hazardous waste, noise, equipment and vibrations, airborne materials, active construction sites, and traffic.