The Barber Park Administration Building includes a new home for the Ada County Parks and Waterways staff and raft rental facilities for the popular Boise River summertime float. The building was designed with sustainable principles in mind and includes natural daylighting features, high insulation values, and natural, low-VOC finish materials. The office spaces include light shelves, indirect lighting and an evaporative cooling system in lieu of air conditioning, with the air delivered by fabric "duct socks" in lieu of metal ducts, avoiding the higher cost and higher embodied energy of the metal ducts. McKibben + Cooper Architects assisted the County in soliciting a grant from the Idaho Department of Environmental Quality to finance a "green" or vegetated roof, which reduces runoff and heat island effect. The firm also prepared the documentation for LEED certification in which it was awarded LEED Certified status in 2007, making it just the 5th project in Idaho to achieve certification.