Sulzer high-rise, Office building in Neuwiesen, Winterthur, Switzerland
Sulzer high-rise is a 26-storey office tower in Neuwiesen, Winterthur, built between 1962 and 1966 to designs by Basel architects Suter & Suter. Its reinforced concrete frame rises 92.40 metres, and since a 2005 renovation added a 25th upper floor and new roof structures, the building measures 99.7 metres. The surrounding grounds, now listed, were planned by Zurich garden architect Ernst Cramer.
The building was completed in 1966 and initially served as the administrative center for Sulzer Ltd., a company with manufacturing origins dating to 1775. Its construction during this period reflected confidence in Switzerland's economic future and technological progress.
The building's nickname Wintower dates from its 1998 sale to the Wintower Immobilien AG, owned by Bruno Stefanini's foundation for art, culture and history. Around Advent weekends and at New Year the tower is lit from inside on all sides with seasonal motifs such as a Christmas tree or champagne glasses, a tradition begun shortly after construction and continued since 2008.
The tower stands on open ground west of Neuwiesenstrasse, with the Schützenwiese stadium to the northwest and the Eulach stream to the west; the main station and old town are a few minutes' walk east. A park with a water basin borders it to the northeast. The building is in office use, so visits are limited to the rented floors.
During Advent weekends and at New Year, the tower is lit from inside on all sides with seasonal motifs such as Christmas trees and champagne glasses. The tradition began shortly after construction, when roller shutters were closed by hand, and was resumed in 2008 after the renovation.
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