• Überdachung Plaza - Ernst & Young Luxemburg
    © Jan Bitter
Projects

Plaza Roof - Ernst & Young Luxembourg

Luxembourg, 2015

A number of banks, government agencies and European institutions are located on the Kirchberg-Plateau in the north-east of the city of Luxembourg, where the plaza of the new Ernst & Young headquarters opens up towards the wide Avenue John F. Kennedy. On two sides this generous public entrance is flanked by cafés and shops. The brief was to design an attractive and cost-effective roof that provides a horizontal edging towards the road, and an extraordinary low construction height to prevent it from projecting too far above the first floor.
The structure comprises a two-way spanned dome-like steel grid over a diamond-shaped footprint. It features suspension cables and a roof cladding of flat quadrangular glass panes. All four sides of the roof intersect with tilted glass panes, so that the eaves are continuously horizontal. They run in line with the height of the eaves on the wing buildings. Arranged under every second arch in transverse direction, filigree tension members above the horizontal cables support the grid structure and facilitate the exceptionally low rise.


  • Location

    Luxembourg

  • Architect

    Sauerbruch Hutton

  • Client

    Kirchberg Property Company S.C.A

  • Contractor

    Bellapart, Les Preses, Spain

  • Our Scope of Work

    conceptual design, construction design, technical spots check

  • Roof width approx. 42 m (street side), approx. 17 m (back side)
  • Building height 24 m
  • Mesh grid 1.70 m x 1.70 m - 1.70 m x 0.80 m
  • Cables open spiral strands, galfan coated
  • Glass 2 x 8 mm laminated safety glass made of partially pre-stressed glass
  • Roof length approx. 36 m
  • Construction height of roof approx. 3.80 m
  • Dimension of bars hollow sections 140 mm x 80 mm
  • Structural steel S355, S355J2H
  • Überdachung Plaza - Ernst & Young Luxemburg © Jan Bitter
  • Überdachung Plaza - Ernst & Young Luxemburg © Jan Bitter
  • Überdachung Plaza - Ernst & Young Luxemburg © Jan Bitter

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