Integrated Design Process: From analysis/synthesis to conjecture/analysis

The concept of Integrated Design Process found in current literature is based on an understanding of the design process as Analysis/Synthesis (A/S); where the problem is broken down into sub-problems and individual problems, reaching individual solutions and sub-solutions until achieving the overall solution. This paper proposes that the integrated design process in the practice of sustainable design is closer to a Conjecture/Analysis (C/A) model that suggests that designers would propose an idea (or conjecture) before attempting to do any analysis. In addition, it proposes that both the architect and the engineers would proceed in a similar manner, sharing the character of designer. The research methodology was based on case studies of contemporary architectural practices in Europe and South America that are pioneers in sustainable design. The design process of a sustainable building designed by each practice was mapped using interviews with architects, engineers and clients; as well as analysis of graphic information and documents.