PHYSICAL REQUIREMENTS: While performing the duties of this job, the employee is regularly required to: Stand; walk; sit; twist; use hands to handle; reach with hands and arms; push; pull; climb or balance; stoop, kneel, crouch, or crawl; talk and hear. Work in unusual and sometimes difficult positions/circumstances such as climbing ladders, scaffolding and high lift equipment; work in ducts, crawl spaces, attics, above ceilings; lift, move, and hold up to approximately 50 lbs.