Data
• Architect: Will Schwarz, Dortmund • Construction time: May 1958 – April 1959 • Depth of basement: 8.10 m, the lowest part of the substructure is 110.3 m above sea level • Diameter of basement: 25 m • Thickness of basement plate: 2.5 m • Total weight: approx. 7,700 t • Volume of cement: approx. 1,385 t • Total weight of concrete: approx. 3,400 m³ • Total weight of steel: approx. 660 t • Stability ratio: 3.5x ==See also==