1. Section as Generator The creative step in skyscraper design, from the Chicago forward, had been to turn to the plan as generator of form. But today a similar creative step has been the turn to the building section as the modus operandi of exploration in the contemporary tall building.

2. Section as Generator 1.) Environmental Sustainability Issues 2.) Social Sustainability Issues 3.) Cross-Programming and Spatial Interweaving

3. Section as Generator 1.) Environmental Sustainability Issues Historically the section has been used to study: Day lighting Control Passive Solar Natural Ventilation

8. Double Skin Facades

9. Portcullis House, London, Michael Hopkins

10. Landmark Lofts, New York, Jean Nouvel

17. Section as Generator 2.) Social Sustainability Issues Historically Architects have been concerned with the social possibilities of architectural space.

18. Larkin Building, Buffalo NY, Frank Lloyd Wright

19. Guggenheim, NY,NY & Johnson Wax, Racine, WI Frank Lloyd Wright

20. HSBC, Hong Kong, China, Norman Foster

22. Commerzbank, Frankfurt, Germany, Norman Foster

24. Section as Generator 3.) Cross Programming & Spatial interweaving Issues Increasingly architects are becoming interested in the sectional possibilities of program interaction.

25. Project, Rem Koolhaus, OMA

26. Museum of Art & Technology Diller Scofidio + Refroe

31. London Bridge Tower, London England, Renzo Piano

38. Central European Bank, Frankfurt, Germany, Coop Himmelblau, 2010

39. Central European Bank, Frankfurt Germany, Coop Himmelblau, 2010

40. Central European Bank, Frankfurt, Coop Himmelblau, 2010

41. Central European Bank, Frankfurt Germany, Coop Himmelblau, 2010

43. World Trade Center Proposal, Think Architects