Johnsen Schmaling Architects OS House is located in the center of Racine, Wisconsin, and try to re-zone cities rust destroyed the history of this city. Located on a narrow site between the 3-storey manor house and the ranch in the middle of the century, the residence of 1900 square meters, is a colorful and dynamic intervention Welcome Street. From an organizational point of view, the operating system is a simple volume House rectangular piece that acts as a transition between a house and a low profile near the ranch. Place of residence is also a transition from the streets and beaches of Lake Michigan with windows and outdoor spaces. Approaching the main entrance to the courtyard house OS, the architects, the strategic use of glass is clear: even if it is a rectangular volume, inside the residence is a collection of finely carved niches visually combine a series of sliding panels and fixed .