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, Session Block C5

14:00 Retrofitting the Building Envelope

Chair: Fabian Ochs, University of Innsbruck, Austria

Bringing an icon into the future: The Willis Tower, Chicago

  • Major revitalization of an iconic supertall building
  • Façade strategies to increase energy efficiency
  • Enclosure strategies as pandemic response

Stephen Katz, Gensler, Chicago, United States

Textile envelopes – A light and functional element with versatile applications

  • Protective function as a temporary structure
  • Architectural retrofit of existing buildings
  • Multifunctional and convertible envelope

Alexander Hub, Alfred Rein Ingenieure GmbH, Stuttgart, Germany

Parametric modelling for automation in the energy analysis of existing buildings

  • Parametric modelling based on survey data
  • Automatic point cloud analysis
  • Energy certification

Wissam Wahbeh, FHNW University of Applied Sciences and Arts Northwestern Switzerland, Muttenz

Past is prologue: A sustainable story of façade retrofit and transformation

  • A risk-cost-benefit analysis to salvage existing façades
  • Maintain embodied memory/energy of functional buildings
  • Older buildings have value: Retrofit as sustainable option

Marta Bouchard, Atelier Ten / Intep Integrale Planung, New York, United States

15:30 Coffee Break