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Karlskirche Church, Vienna, Austria

Project data

Location: Vienna, Austria

Dome refurbishment of the baroque style church including visitor gallery


  • dome restoration without restricting visitor access, plus visitor gallery to finance the conservation work.
  • increased requirements on scaffolding in public areas in terms of loads and fire protection, supply of all materials from one place.


Vasko + Partner, Vienna

Customer's benefit

  • working platform and visitor gallery in one
  • financing the conservation work through extra income from visitors
  • compliance with increased safety, fire protection and load case classifications
  • no impact on Church activities, adaptability and assembly advantages
Alexander Kvicien, Project Manager
Alexander Kvicien
Project Manager

In PERI we found an expert partner that was able to realise the architectural and technical requirements without impacting on ongoing church activities.

PERI solution

PERI UP complete solution for working platforms and visitor gallery. Assembly of the working platform using cantilever method with subsequent support underneath. Visitor gallery at a height of 32 m with LGS girders suspended over 17.50 m and accessible via glass lift. A stairway leads to the dome area and on to the so-called "Laterne" from the centre of the gallery. An emergency stairway has been installed in one of the two shoring towers to bear the load of the scaffolding construction.

PERI systems in use