Step by step

White and imposing - the generous spiral staircase in the foyer spirals upwards. It connects the ground floor and all three floors of the public area of the university library.

It is an S355 steel construction and consists of 19 staircase and 9 gallery sections.

More interesting facts and figures:

• total weight: approx. 25 tonnes
• weight of the individual parts: between 0.8 and 1.5 tonnes
• approx. 400 kg of coating
• fabrication in the factory: approx. 1,650 working hours
• 19 people involved in
  • planning - architectural office behet bondzio lin architekten GmbH & Co. KG
  • fabrication - HARK Treppenbau GmbH

The staircase is designed for 500 kg/m² load, i.e. approx. 99 people (at 83 kg/person) can stand on each of the two upper floors at the same time.