The basics: Chicago’s 40-story luxury condominium tower, Sky55 at Central Station, stands as the tallest building in the city’s Near South Side. The 580,000-square-foot building features 125,000 square feet of exterior glazing between the tower and the adjoining 11-story senior center, and 700 square feet of interior art glass. It opened earlier this year after two years of construction.
The players: Architect, Solomon, Cordwell, Buenz and Associates, Chicago; general contractor, McHugh Construction, Chicago; glazing contractor, HKL Cladding Systems LLC, White Bear Lake, Minn.; glass fabricator, Viracon, Owatonna, Minn.; point-support glass, Guardian Industries, Auburn Hills, Mich.; storefront glass, Arch Aluminum & Glass Co., Tamarac, Fla.; entry glass wall, Oldcastle Glass, Perrysburg, Ohio; interior glass, Skyline Design, Chicago, Joel Berman Glass Studios Ltd., Vancouver, B.C.; window and terrace door supplier, Moduline Window Systems, Terrell, Texas.
The glass: On exterior, 1-inch insulating units with a heat strengthened, blue-tinted exterior lite and an annealed interior lite on the tower; 1-inch clear insulating units alternating with 1-inch insulating spandrel units on the senior center; 1-inch insulating clear for the storefront; ½-inch clear tempered for the all-glass entry; ¾-inch monolithic for the point-support system. Four types of ¼-inch interior glass: clear tempered, clear tempered with metallic film, pattern sandblasted, pattern sandblasted with film. Tower systems include a 1¾-inch fixed unit and 3¼-inch operable-unit sightlines.