DESCRIPTION OF WORK. The Contractor will provide the construction services to furnish and install a replacement ventilation system in the Juneau International Airport Terminal Bagwell area. The replacement ventilation system will include: mechanical ductwork, (4) exhaust fans, electrical systems and distribution, building automation system integration, and a hazardous gas detection system. Work will also include demolition and proper disposal of the old bagwell ventilation system and related controls, as well as minor revisions to the plumbing and fire systems to accommodate the ventilation system.