The employee occasionally works in high, precarious places and in outside weather conditions and is occasionally exposed to wet and/or humid conditions, fumes or airborne particles, risk of vibration, toxic or caustic chemicals, and extreme heat. While performing the duties of this job, the employee is frequently required to stand, walk, use hands to finger, handle or feel objects, tools or controls; reach with hands and arms, stoop, kneel, crouch or crawl; talk or hear and smell.