While performing the duties of this job, the employee occasionally works at construction work sites where the employee is exposed to moving mechanical parts, high precarious places, fumes, or airborne particles, outside weather conditions, and risk of electrical shock. While performing the duties of this job, the employee is frequently required to sit, climb, balance, stoop, kneel, crouch, crawl, use hands to finger, handle or feel objects, tools, or controls, and reach with hands, talk, and hear.